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18 package org.apache.shardingsphere.sql.parser.sqlserver.visitor.statement;
19
20 import lombok.AccessLevel;
21 import lombok.Getter;
22 import org.antlr.v4.runtime.ParserRuleContext;
23 import org.antlr.v4.runtime.Token;
24 import org.antlr.v4.runtime.misc.Interval;
25 import org.antlr.v4.runtime.tree.ParseTree;
26 import org.antlr.v4.runtime.tree.TerminalNode;
27 import org.apache.shardingsphere.sql.parser.api.ASTNode;
28 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementBaseVisitor;
29 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AggregationClauseContext;
30 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AggregationFunctionContext;
31 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AliasContext;
32 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ApproxFunctionContext;
33 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AssignmentContext;
34 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AssignmentValueContext;
35 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.AssignmentValuesContext;
36 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.BitExprContext;
37 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.BitValueLiteralsContext;
38 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.BooleanLiteralsContext;
39 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.BooleanPrimaryContext;
40 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.CastFunctionContext;
41 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.CharFunctionContext;
42 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ColumnNameContext;
43 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ColumnNameWithSortContext;
44 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ColumnNamesContext;
45 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ColumnNamesWithSortContext;
46 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ConstraintNameContext;
47 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ConversionFunctionContext;
48 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ConvertFunctionContext;
49 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.CreateTableAsSelectClauseContext;
50 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.CteClauseContext;
51 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.CteClauseSetContext;
52 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DataTypeContext;
53 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DataTypeLengthContext;
54 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DataTypeNameContext;
55 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DatabaseNameContext;
56 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DeleteContext;
57 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DelimitedIdentifierContext;
58 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.DuplicateSpecificationContext;
59 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ExecContext;
60 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ExprContext;
61 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.FromClauseContext;
62 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.FunctionCallContext;
63 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.GraphAggFunctionContext;
64 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.GraphFunctionContext;
65 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.GroupByClauseContext;
66 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.HavingClauseContext;
67 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.HexadecimalLiteralsContext;
68 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.IdentifierContext;
69 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.IndexNameContext;
70 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.InsertContext;
71 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.InsertDefaultValueContext;
72 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.InsertExecClauseContext;
73 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.InsertSelectClauseContext;
74 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.InsertValuesClauseContext;
75 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.IntoClauseContext;
76 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JoinSpecificationContext;
77 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JoinedTableContext;
78 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JsonArrayFunctionContext;
79 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JsonFunctionContext;
80 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JsonKeyValueContext;
81 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JsonNullClauseContext;
82 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.JsonObjectFunctionContext;
83 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.LiteralsContext;
84 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MergeContext;
85 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MergeInsertClauseContext;
86 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MergeUpdateClauseContext;
87 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MergeWhenClauseContext;
88 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MultipleTableNamesContext;
89 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.MultipleTablesClauseContext;
90 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.NullValueLiteralsContext;
91 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.NumberLiteralsContext;
92 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OpenJsonFunctionContext;
93 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OpenQueryFunctionContext;
94 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OpenRowSetFunctionContext;
95 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OptionHintContext;
96 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OrderByClauseContext;
97 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OrderByItemContext;
98 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OutputClauseContext;
99 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OutputWithColumnContext;
100 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OutputWithColumnsContext;
101 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.OwnerContext;
102 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ParameterMarkerContext;
103 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.PredicateContext;
104 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ProcedureNameContext;
105 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ProjectionContext;
106 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ProjectionsContext;
107 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.QualifiedShorthandContext;
108 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.RegularFunctionContext;
109 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.RegularIdentifierContext;
110 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.RowSetFunctionContext;
111 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SampleOptionContext;
112 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ScalarExpressionContext;
113 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SchemaNameContext;
114 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ScriptVariableNameContext;
115 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SelectClauseContext;
116 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SelectContext;
117 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SetAssignmentsClauseContext;
118 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SimpleExprContext;
119 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SingleTableClauseContext;
120 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SpecialFunctionContext;
121 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.StatisticsOptionContext;
122 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.StatisticsOptionsContext;
123 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.StatisticsWithClauseContext;
124 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.StringLiteralsContext;
125 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.SubqueryContext;
126 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableFactorContext;
127 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableHintLimitedContext;
128 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableNameContext;
129 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableNamesContext;
130 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableReferenceContext;
131 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TableReferencesContext;
132 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TopContext;
133 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.TrimFunctionContext;
134 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.UnreservedWordContext;
135 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.UpdateContext;
136 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.UpdateStatisticsContext;
137 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.ViewNameContext;
138 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.WhereClauseContext;
139 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.WindowFunctionContext;
140 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.WithClauseContext;
141 import org.apache.shardingsphere.sql.parser.autogen.SQLServerStatementParser.WithTableHintContext;
142 import org.apache.shardingsphere.sql.parser.statement.core.enums.AggregationType;
143 import org.apache.shardingsphere.sql.parser.statement.core.enums.JoinType;
144 import org.apache.shardingsphere.sql.parser.statement.core.enums.OrderDirection;
145 import org.apache.shardingsphere.sql.parser.statement.core.enums.ParameterMarkerType;
146 import org.apache.shardingsphere.sql.parser.statement.core.enums.ScanUnit;
147 import org.apache.shardingsphere.sql.parser.statement.core.enums.StatisticsDimension;
148 import org.apache.shardingsphere.sql.parser.statement.core.segment.SQLSegment;
149 import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.constraint.ConstraintSegment;
150 import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.index.IndexNameSegment;
151 import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.index.IndexSegment;
152 import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.routine.FunctionNameSegment;
153 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.ColumnAssignmentSegment;
154 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.InsertValuesSegment;
155 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.SetAssignmentSegment;
156 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
157 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.InsertColumnsSegment;
158 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.exec.ExecSegment;
159 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BetweenExpression;
160 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BinaryOperationExpression;
161 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;
162 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionWithParamsSegment;
163 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.FunctionSegment;
164 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.InExpression;
165 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.KeyValueSegment;
166 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ListExpression;
167 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.NotExpression;
168 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.complex.CommonExpressionSegment;
169 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.complex.CommonTableExpressionSegment;
170 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.simple.LiteralExpressionSegment;
171 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.simple.ParameterMarkerExpressionSegment;
172 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.subquery.SubqueryExpressionSegment;
173 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.subquery.SubquerySegment;
174 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.OptionHintSegment;
175 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.TableHintLimitedSegment;
176 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
177 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.AggregationDistinctProjectionSegment;
178 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.AggregationProjectionSegment;
179 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ColumnProjectionSegment;
180 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ExpressionProjectionSegment;
181 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ProjectionSegment;
182 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ProjectionsSegment;
183 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ShorthandProjectionSegment;
184 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.SubqueryProjectionSegment;
185 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.json.JsonNullClauseSegment;
186 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.merge.MergeWhenAndThenSegment;
187 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.GroupBySegment;
188 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.OrderBySegment;
189 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.item.ColumnOrderByItemSegment;
190 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.item.ExpressionOrderByItemSegment;
191 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.item.IndexOrderByItemSegment;
192 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.item.OrderByItemSegment;
193 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.PaginationValueSegment;
194 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.LimitSegment;
195 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.NumberLiteralLimitValueSegment;
196 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.ParameterMarkerLimitValueSegment;
197 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.rownum.NumberLiteralRowNumberValueSegment;
198 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.rownum.ParameterMarkerRowNumberValueSegment;
199 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.rownum.RowNumberValueSegment;
200 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.top.TopProjectionSegment;
201 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.predicate.HavingSegment;
202 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.predicate.WhereSegment;
203 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.sample.SampleOptionSegment;
204 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.sample.SampleStrategy;
205 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.statistics.StatisticsOptionSegment;
206 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.statistics.StatisticsStrategySegment;
207 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.AliasSegment;
208 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.DataTypeLengthSegment;
209 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.DataTypeSegment;
210 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
211 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OwnerSegment;
212 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.ParameterMarkerSegment;
213 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
214 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.DeleteMultiTableSegment;
215 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.FunctionTableSegment;
216 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.JoinTableSegment;
217 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
218 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SubqueryTableSegment;
219 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableNameSegment;
220 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableSegment;
221 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.UpdateStatisticsStatement;
222 import org.apache.shardingsphere.sql.parser.statement.core.statement.dml.MergeStatement;
223 import org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
224 import org.apache.shardingsphere.sql.parser.statement.core.util.SQLUtils;
225 import org.apache.shardingsphere.sql.parser.statement.core.value.collection.CollectionValue;
226 import org.apache.shardingsphere.sql.parser.statement.core.value.identifier.IdentifierValue;
227 import org.apache.shardingsphere.sql.parser.statement.core.value.keyword.KeywordValue;
228 import org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.BooleanLiteralValue;
229 import org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.NullLiteralValue;
230 import org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.NumberLiteralValue;
231 import org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.OtherLiteralValue;
232 import org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.StringLiteralValue;
233 import org.apache.shardingsphere.sql.parser.statement.core.value.parametermarker.ParameterMarkerValue;
234 import org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerCreateTableStatement;
235 import org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerDeleteStatement;
236 import org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerInsertStatement;
237 import org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerMergeStatement;
238 import org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
239 import org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerUpdateStatement;
240
241 import java.util.Collection;
242 import java.util.Collections;
243 import java.util.LinkedList;
244 import java.util.List;
245 import java.util.stream.Collectors;
246
247
248
249
250 @Getter(AccessLevel.PROTECTED)
251 public abstract class SQLServerStatementVisitor extends SQLServerStatementBaseVisitor<ASTNode> {
252
253 private final Collection<ParameterMarkerSegment> parameterMarkerSegments = new LinkedList<>();
254
255 @Override
256 public final ASTNode visitParameterMarker(final ParameterMarkerContext ctx) {
257 return new ParameterMarkerValue(parameterMarkerSegments.size(), ParameterMarkerType.QUESTION);
258 }
259
260 @Override
261 public final ASTNode visitLiterals(final LiteralsContext ctx) {
262 if (null != ctx.stringLiterals()) {
263 return visit(ctx.stringLiterals());
264 }
265 if (null != ctx.numberLiterals()) {
266 return visit(ctx.numberLiterals());
267 }
268 if (null != ctx.hexadecimalLiterals()) {
269 return visit(ctx.hexadecimalLiterals());
270 }
271 if (null != ctx.bitValueLiterals()) {
272 return visit(ctx.bitValueLiterals());
273 }
274 if (null != ctx.booleanLiterals()) {
275 return visit(ctx.booleanLiterals());
276 }
277 if (null != ctx.nullValueLiterals()) {
278 return visit(ctx.nullValueLiterals());
279 }
280 throw new IllegalStateException("Literals must have string, number, dateTime, hex, bit, boolean or null.");
281 }
282
283 @Override
284 public final ASTNode visitStringLiterals(final StringLiteralsContext ctx) {
285 if (null != ctx.STRING_()) {
286 return new StringLiteralValue(ctx.getText());
287 } else {
288 return new StringLiteralValue(ctx.getText().substring(1));
289 }
290 }
291
292 @Override
293 public final ASTNode visitNumberLiterals(final NumberLiteralsContext ctx) {
294 return new NumberLiteralValue(ctx.getText());
295 }
296
297 @Override
298 public final ASTNode visitHexadecimalLiterals(final HexadecimalLiteralsContext ctx) {
299
300 return new OtherLiteralValue(ctx.getText());
301 }
302
303 @Override
304 public final ASTNode visitBitValueLiterals(final BitValueLiteralsContext ctx) {
305
306 return new OtherLiteralValue(ctx.getText());
307 }
308
309 @Override
310 public final ASTNode visitBooleanLiterals(final BooleanLiteralsContext ctx) {
311 return new BooleanLiteralValue(ctx.getText());
312 }
313
314 @Override
315 public final ASTNode visitNullValueLiterals(final NullValueLiteralsContext ctx) {
316 return new NullLiteralValue(ctx.getText());
317 }
318
319 @Override
320 public final ASTNode visitIdentifier(final IdentifierContext ctx) {
321 return null == ctx.regularIdentifier() ? visit(ctx.delimitedIdentifier()) : visit(ctx.regularIdentifier());
322 }
323
324 @Override
325 public final ASTNode visitRegularIdentifier(final RegularIdentifierContext ctx) {
326 UnreservedWordContext unreservedWord = ctx.unreservedWord();
327 return null == unreservedWord ? new IdentifierValue(ctx.getText()) : (IdentifierValue) visit(unreservedWord);
328 }
329
330 @Override
331 public final ASTNode visitDelimitedIdentifier(final DelimitedIdentifierContext ctx) {
332 return new IdentifierValue(ctx.getText());
333 }
334
335 @Override
336 public final ASTNode visitUnreservedWord(final UnreservedWordContext ctx) {
337 return new IdentifierValue(ctx.getText());
338 }
339
340 @Override
341 public final ASTNode visitSchemaName(final SchemaNameContext ctx) {
342 return visit(ctx.identifier());
343 }
344
345 @Override
346 public final ASTNode visitTableName(final TableNameContext ctx) {
347 SimpleTableSegment result = new SimpleTableSegment(new TableNameSegment(ctx.name().getStart().getStartIndex(), ctx.name().getStop().getStopIndex(), (IdentifierValue) visit(ctx.name())));
348 OwnerContext owner = ctx.owner();
349 if (null != owner) {
350 OwnerSegment ownerSegment = new OwnerSegment(owner.getStart().getStartIndex(), owner.getStop().getStopIndex(), (IdentifierValue) visit(owner.identifier()));
351 if (null != ctx.databaseName()) {
352 DatabaseNameContext databaseName = ctx.databaseName();
353 ownerSegment.setOwner(new OwnerSegment(databaseName.getStart().getStartIndex(), databaseName.getStop().getStopIndex(), (IdentifierValue) visit(databaseName.identifier())));
354 }
355 result.setOwner(ownerSegment);
356 } else if (null != ctx.databaseName()) {
357 DatabaseNameContext databaseName = ctx.databaseName();
358 result.setOwner(new OwnerSegment(databaseName.getStart().getStartIndex(), databaseName.getStop().getStopIndex(), (IdentifierValue) visit(databaseName.identifier())));
359 }
360 return result;
361 }
362
363 @Override
364 public final ASTNode visitColumnName(final ColumnNameContext ctx) {
365 ColumnSegment result;
366 if (null != ctx.name()) {
367 result = new ColumnSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), (IdentifierValue) visit(ctx.name()));
368 } else {
369 result = new ColumnSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), (IdentifierValue) visit(ctx.scriptVariableName()));
370 }
371 OwnerContext owner = ctx.owner();
372 if (null != owner) {
373 OwnerSegment ownerSegment = new OwnerSegment(owner.getStart().getStartIndex(), owner.getStop().getStopIndex(), (IdentifierValue) visit(owner.identifier()));
374 if (null != ctx.databaseName()) {
375 ownerSegment.setOwner(new OwnerSegment(ctx.databaseName().getStart().getStartIndex(), ctx.databaseName().getStop().getStopIndex(),
376 (IdentifierValue) visit(ctx.databaseName().identifier())));
377 }
378 result.setOwner(ownerSegment);
379 }
380 return result;
381 }
382
383 @Override
384 public ASTNode visitScriptVariableName(final ScriptVariableNameContext ctx) {
385 return new IdentifierValue(ctx.getText());
386 }
387
388 @Override
389 public final ASTNode visitIndexName(final IndexNameContext ctx) {
390 IndexNameSegment indexName = new IndexNameSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), (IdentifierValue) visit(ctx.identifier()));
391 return new IndexSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), indexName);
392 }
393
394 @Override
395 public final ASTNode visitConstraintName(final ConstraintNameContext ctx) {
396 return new ConstraintSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), (IdentifierValue) visit(ctx.identifier()));
397 }
398
399 @Override
400 public final ASTNode visitTableNames(final TableNamesContext ctx) {
401 CollectionValue<SimpleTableSegment> result = new CollectionValue<>();
402 for (TableNameContext each : ctx.tableName()) {
403 result.getValue().add((SimpleTableSegment) visit(each));
404 }
405 return result;
406 }
407
408 @Override
409 public final ASTNode visitColumnNames(final ColumnNamesContext ctx) {
410 CollectionValue<ColumnSegment> result = new CollectionValue<>();
411 for (ColumnNameContext each : ctx.columnName()) {
412 result.getValue().add((ColumnSegment) visit(each));
413 }
414 return result;
415 }
416
417 @Override
418 public ASTNode visitColumnNamesWithSort(final ColumnNamesWithSortContext ctx) {
419 CollectionValue<ColumnSegment> result = new CollectionValue<>();
420 for (ColumnNameWithSortContext each : ctx.columnNameWithSort()) {
421 result.getValue().add((ColumnSegment) visit(each));
422 }
423 return result;
424 }
425
426 @Override
427 public final ASTNode visitExpr(final ExprContext ctx) {
428 if (null != ctx.booleanPrimary()) {
429 return visit(ctx.booleanPrimary());
430 }
431 if (null != ctx.LP_()) {
432 return visit(ctx.expr(0));
433 }
434 if (null != ctx.andOperator()) {
435 return createBinaryOperationExpression(ctx, ctx.andOperator().getText());
436 }
437 if (null != ctx.orOperator()) {
438 return createBinaryOperationExpression(ctx, ctx.orOperator().getText());
439 }
440 if (null != ctx.distinctFrom()) {
441 return createBinaryOperationExpression(ctx, ctx.distinctFrom().getText());
442 }
443 return new NotExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), (ExpressionSegment) visit(ctx.expr(0)), false);
444 }
445
446 private ASTNode createBinaryOperationExpression(final ExprContext ctx, final String operator) {
447 ExpressionSegment left = (ExpressionSegment) visit(ctx.expr(0));
448 ExpressionSegment right = (ExpressionSegment) visit(ctx.expr(1));
449 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
450 return new BinaryOperationExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, operator, text);
451 }
452
453 @Override
454 public final ASTNode visitBooleanPrimary(final BooleanPrimaryContext ctx) {
455 if (null != ctx.IS()) {
456 String rightText = "";
457 if (null != ctx.NOT()) {
458 rightText = rightText + ctx.start.getInputStream().getText(new Interval(ctx.NOT().getSymbol().getStartIndex(), ctx.NOT().getSymbol().getStopIndex())) + " ";
459 }
460 Token operatorToken = null;
461 if (null != ctx.NULL()) {
462 operatorToken = ctx.NULL().getSymbol();
463 }
464 if (null != ctx.TRUE()) {
465 operatorToken = ctx.TRUE().getSymbol();
466 }
467 if (null != ctx.FALSE()) {
468 operatorToken = ctx.FALSE().getSymbol();
469 }
470 int startIndex = null == operatorToken ? ctx.IS().getSymbol().getStopIndex() + 2 : operatorToken.getStartIndex();
471 rightText = rightText + ctx.start.getInputStream().getText(new Interval(startIndex, ctx.stop.getStopIndex()));
472 ExpressionSegment right = new LiteralExpressionSegment(ctx.IS().getSymbol().getStopIndex() + 2, ctx.stop.getStopIndex(), rightText);
473 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
474 ExpressionSegment left = (ExpressionSegment) visit(ctx.booleanPrimary());
475 String operator = "IS";
476 return new BinaryOperationExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, operator, text);
477 }
478 if (null != ctx.comparisonOperator() || null != ctx.SAFE_EQ_()) {
479 return createCompareSegment(ctx);
480 }
481 return visit(ctx.predicate());
482 }
483
484 private ASTNode createCompareSegment(final BooleanPrimaryContext ctx) {
485 ExpressionSegment left = (ExpressionSegment) visit(ctx.booleanPrimary());
486 ExpressionSegment right;
487 if (null != ctx.predicate()) {
488 right = (ExpressionSegment) visit(ctx.predicate());
489 } else {
490 right = (ExpressionSegment) visit(ctx.subquery());
491 }
492 String operator = null == ctx.SAFE_EQ_() ? ctx.comparisonOperator().getText() : ctx.SAFE_EQ_().getText();
493 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
494 return new BinaryOperationExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, operator, text);
495 }
496
497 @Override
498 public final ASTNode visitPredicate(final PredicateContext ctx) {
499 if (null != ctx.IN()) {
500 return createInSegment(ctx);
501 }
502 if (null != ctx.BETWEEN()) {
503 return createBetweenSegment(ctx);
504 }
505 if (null != ctx.LIKE()) {
506 return createBinaryOperationExpressionFromLike(ctx);
507 }
508 return visit(ctx.bitExpr(0));
509 }
510
511 private BinaryOperationExpression createBinaryOperationExpressionFromLike(final PredicateContext ctx) {
512 ExpressionSegment left = (ExpressionSegment) visit(ctx.bitExpr(0));
513 ListExpression right = new ListExpression(ctx.simpleExpr(0).start.getStartIndex(), ctx.simpleExpr().get(ctx.simpleExpr().size() - 1).stop.getStopIndex());
514 for (SimpleExprContext each : ctx.simpleExpr()) {
515 right.getItems().add((ExpressionSegment) visit(each));
516 }
517 String operator = null == ctx.NOT() ? "LIKE" : "NOT LIKE";
518 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
519 return new BinaryOperationExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, operator, text);
520 }
521
522 private InExpression createInSegment(final PredicateContext ctx) {
523 ExpressionSegment left = (ExpressionSegment) visit(ctx.bitExpr(0));
524 ExpressionSegment right;
525 if (null == ctx.subquery()) {
526 ListExpression listExpression = new ListExpression(ctx.LP_().getSymbol().getStartIndex(), ctx.RP_().getSymbol().getStopIndex());
527 for (ExprContext each : ctx.expr()) {
528 listExpression.getItems().add((ExpressionSegment) visit(each));
529 }
530 right = listExpression;
531 } else {
532 right = new SubqueryExpressionSegment(new SubquerySegment(ctx.subquery().start.getStartIndex(), ctx.subquery().stop.getStopIndex(), (SelectStatement) visit(ctx.subquery()),
533 getOriginalText(ctx.subquery())));
534 }
535 boolean not = null != ctx.NOT();
536 return new InExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, not);
537 }
538
539 private BetweenExpression createBetweenSegment(final PredicateContext ctx) {
540 ExpressionSegment left = (ExpressionSegment) visit(ctx.bitExpr(0));
541 ExpressionSegment between = (ExpressionSegment) visit(ctx.bitExpr(1));
542 ExpressionSegment and = (ExpressionSegment) visit(ctx.predicate());
543 boolean not = null != ctx.NOT();
544 return new BetweenExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, between, and, not);
545 }
546
547 @Override
548 public final ASTNode visitBitExpr(final BitExprContext ctx) {
549 if (null != ctx.simpleExpr()) {
550 return createExpressionSegment(visit(ctx.simpleExpr()), ctx);
551 }
552 ExpressionSegment left = (ExpressionSegment) visit(ctx.getChild(0));
553 ExpressionSegment right = (ExpressionSegment) visit(ctx.getChild(2));
554 String operator = ctx.getChild(1).getText();
555 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
556 return new BinaryOperationExpression(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), left, right, operator, text);
557 }
558
559 private ASTNode createExpressionSegment(final ASTNode astNode, final ParserRuleContext context) {
560 if (astNode instanceof StringLiteralValue) {
561 return new LiteralExpressionSegment(context.start.getStartIndex(), context.stop.getStopIndex(), ((StringLiteralValue) astNode).getValue());
562 }
563 if (astNode instanceof NumberLiteralValue) {
564 return new LiteralExpressionSegment(context.start.getStartIndex(), context.stop.getStopIndex(), ((NumberLiteralValue) astNode).getValue());
565 }
566 if (astNode instanceof BooleanLiteralValue) {
567 return new LiteralExpressionSegment(context.start.getStartIndex(), context.stop.getStopIndex(), ((BooleanLiteralValue) astNode).getValue());
568 }
569 if (astNode instanceof ParameterMarkerValue) {
570 ParameterMarkerValue parameterMarker = (ParameterMarkerValue) astNode;
571 ParameterMarkerExpressionSegment segment = new ParameterMarkerExpressionSegment(context.start.getStartIndex(), context.stop.getStopIndex(),
572 parameterMarker.getValue(), parameterMarker.getType());
573 parameterMarkerSegments.add(segment);
574 return segment;
575 }
576 if (astNode instanceof SubquerySegment) {
577 return new SubqueryExpressionSegment((SubquerySegment) astNode);
578 }
579 if (astNode instanceof OtherLiteralValue) {
580 return new CommonExpressionSegment(context.getStart().getStartIndex(), context.getStop().getStopIndex(), context.getText());
581 }
582 return astNode;
583 }
584
585 @Override
586 public final ASTNode visitSimpleExpr(final SimpleExprContext ctx) {
587 int startIndex = ctx.getStart().getStartIndex();
588 int stopIndex = ctx.getStop().getStopIndex();
589 if (null != ctx.subquery()) {
590 return new SubquerySegment(startIndex, stopIndex, (SelectStatement) visit(ctx.subquery()), getOriginalText(ctx.subquery()));
591 }
592 if (null != ctx.parameterMarker()) {
593 ParameterMarkerValue parameterMarker = (ParameterMarkerValue) visit(ctx.parameterMarker());
594 ParameterMarkerExpressionSegment result = new ParameterMarkerExpressionSegment(startIndex, stopIndex, parameterMarker.getValue(), parameterMarker.getType());
595 parameterMarkerSegments.add(result);
596 return result;
597 }
598 if (null != ctx.literals()) {
599 return SQLUtils.createLiteralExpression(visit(ctx.literals()), startIndex, stopIndex, ctx.literals().start.getInputStream().getText(new Interval(startIndex, stopIndex)));
600 }
601 if (null != ctx.functionCall()) {
602 return visit(ctx.functionCall());
603 }
604 if (null != ctx.columnName()) {
605 return visit(ctx.columnName());
606 }
607 if (null != ctx.LP_() && 1 == ctx.expr().size()) {
608 return visit(ctx.expr(0));
609 }
610 return visitRemainSimpleExpr(ctx);
611 }
612
613 private ASTNode visitRemainSimpleExpr(final SimpleExprContext ctx) {
614 if (null != ctx.caseExpression()) {
615 visit(ctx.caseExpression());
616 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
617 return new OtherLiteralValue(text);
618 }
619 for (ExprContext each : ctx.expr()) {
620 visit(each);
621 }
622 for (SimpleExprContext each : ctx.simpleExpr()) {
623 visit(each);
624 }
625 String text = ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
626 return new CommonExpressionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), text);
627 }
628
629 @Override
630 public final ASTNode visitFunctionCall(final FunctionCallContext ctx) {
631 if (null != ctx.aggregationFunction()) {
632 return visit(ctx.aggregationFunction());
633 }
634 if (null != ctx.specialFunction()) {
635 return visit(ctx.specialFunction());
636 }
637 if (null != ctx.regularFunction()) {
638 return visit(ctx.regularFunction());
639 }
640 throw new IllegalStateException("FunctionCallContext must have aggregationFunction, regularFunction or specialFunction.");
641 }
642
643 @Override
644 public final ASTNode visitAggregationFunction(final AggregationFunctionContext ctx) {
645 String aggregationType = ctx.aggregationFunctionName().getText();
646 return AggregationType.isAggregationType(aggregationType)
647 ? createAggregationSegment(ctx, aggregationType)
648 : new ExpressionProjectionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), getOriginalText(ctx));
649 }
650
651 private ASTNode createAggregationSegment(final AggregationFunctionContext ctx, final String aggregationType) {
652 AggregationType type = AggregationType.valueOf(aggregationType.toUpperCase());
653 if (null != ctx.distinct()) {
654 AggregationDistinctProjectionSegment result =
655 new AggregationDistinctProjectionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), type, getOriginalText(ctx), getDistinctExpression(ctx));
656 result.getParameters().addAll(getExpressions(ctx));
657 return result;
658 }
659 AggregationProjectionSegment result = new AggregationProjectionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), type, getOriginalText(ctx));
660 result.getParameters().addAll(getExpressions(ctx));
661 return result;
662 }
663
664 private Collection<ExpressionSegment> getExpressions(final AggregationFunctionContext ctx) {
665 if (null == ctx.expr()) {
666 return Collections.emptyList();
667 }
668 Collection<ExpressionSegment> result = new LinkedList<>();
669 for (ExprContext each : ctx.expr()) {
670 result.add((ExpressionSegment) visit(each));
671 }
672 return result;
673 }
674
675 private String getDistinctExpression(final AggregationFunctionContext ctx) {
676 StringBuilder result = new StringBuilder();
677 for (int i = 3; i < ctx.getChildCount() - 1; i++) {
678 result.append(ctx.getChild(i).getText());
679 }
680 return result.toString();
681 }
682
683 @Override
684 public final ASTNode visitSpecialFunction(final SpecialFunctionContext ctx) {
685 if (null != ctx.conversionFunction()) {
686 return visit(ctx.conversionFunction());
687 }
688 if (null != ctx.charFunction()) {
689 return visit(ctx.charFunction());
690 }
691 if (null != ctx.openJsonFunction()) {
692 return visit(ctx.openJsonFunction());
693 }
694 if (null != ctx.openRowSetFunction()) {
695 return visit(ctx.openRowSetFunction());
696 }
697 if (null != ctx.jsonFunction()) {
698 return visit(ctx.jsonFunction());
699 }
700 if (null != ctx.windowFunction()) {
701 return visit(ctx.windowFunction());
702 }
703 if (null != ctx.approxFunction()) {
704 return visit(ctx.approxFunction());
705 }
706 if (null != ctx.graphFunction()) {
707 return visit(ctx.graphFunction());
708 }
709 if (null != ctx.trimFunction()) {
710 return visit(ctx.trimFunction());
711 }
712 return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.getChild(0).getChild(0).getText(), getOriginalText(ctx));
713 }
714
715 private ASTNode getFunctionSegment(final int startIndex, final int stopIndex, final String functionName, final String text, final List<ExprContext> exprList) {
716 FunctionSegment result = new FunctionSegment(startIndex, stopIndex, functionName, text);
717 if (null != exprList) {
718 for (ExprContext each : exprList) {
719 result.getParameters().add((ExpressionSegment) visit(each));
720 }
721 }
722 return result;
723 }
724
725 @Override
726 public ASTNode visitTrimFunction(final TrimFunctionContext ctx) {
727 FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.TRIM().getText(), getOriginalText(ctx));
728 if (null != ctx.BOTH()) {
729 result.getParameters().add(new LiteralExpressionSegment(ctx.BOTH().getSymbol().getStartIndex(), ctx.BOTH().getSymbol().getStopIndex(),
730 new OtherLiteralValue(ctx.BOTH().getSymbol().getText()).getValue()));
731 }
732 if (null != ctx.TRAILING()) {
733 result.getParameters().add(new LiteralExpressionSegment(ctx.TRAILING().getSymbol().getStartIndex(), ctx.TRAILING().getSymbol().getStopIndex(),
734 new OtherLiteralValue(ctx.TRAILING().getSymbol().getText()).getValue()));
735 }
736 if (null != ctx.LEADING()) {
737 result.getParameters().add(new LiteralExpressionSegment(ctx.LEADING().getSymbol().getStartIndex(), ctx.LEADING().getSymbol().getStopIndex(),
738 new OtherLiteralValue(ctx.LEADING().getSymbol().getText()).getValue()));
739 }
740 for (ExprContext each : ctx.expr()) {
741 result.getParameters().add((ExpressionSegment) visit(each));
742 }
743 return result;
744 }
745
746 @Override
747 public ASTNode visitGraphFunction(final GraphFunctionContext ctx) {
748 if (null != ctx.graphAggFunction()) {
749 return visit(ctx.graphAggFunction());
750 }
751 return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.getChild(0).getChild(0).getText(), getOriginalText(ctx));
752 }
753
754 @Override
755 public ASTNode visitGraphAggFunction(final GraphAggFunctionContext ctx) {
756 return getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.graphAggFunctionName().getText(), getOriginalText(ctx), ctx.expr());
757 }
758
759 @Override
760 public final ASTNode visitApproxFunction(final ApproxFunctionContext ctx) {
761 return getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.funcName.getText(), getOriginalText(ctx), ctx.expr());
762 }
763
764 @Override
765 public final ASTNode visitConversionFunction(final ConversionFunctionContext ctx) {
766 if (null != ctx.castFunction()) {
767 return visit(ctx.castFunction());
768 }
769 if (null != ctx.convertFunction()) {
770 return visit(ctx.convertFunction());
771 }
772 return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.getChild(0).getChild(0).getText(), getOriginalText(ctx));
773 }
774
775 @Override
776 public final ASTNode visitWindowFunction(final WindowFunctionContext ctx) {
777 FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.funcName.getText(), getOriginalText(ctx));
778 result.getParameters().add((ExpressionSegment) visit(ctx.expr()));
779 return result;
780 }
781
782 @Override
783 public final ASTNode visitJsonFunction(final JsonFunctionContext ctx) {
784 if (null != ctx.jsonArrayFunction()) {
785 return visit(ctx.jsonArrayFunction());
786 }
787 if (null != ctx.jsonObjectFunction()) {
788 return visit(ctx.jsonObjectFunction());
789 }
790 return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.getText(), getOriginalText(ctx));
791 }
792
793 @Override
794 public final ASTNode visitJsonArrayFunction(final JsonArrayFunctionContext ctx) {
795 FunctionSegment result = (FunctionSegment) getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.JSON_ARRAY().getText(), getOriginalText(ctx), ctx.expr());
796 if (null != ctx.jsonNullClause()) {
797 result.getParameters().add(new LiteralExpressionSegment(ctx.jsonNullClause().start.getStartIndex(), ctx.jsonNullClause().stop.getStopIndex(), ctx.jsonNullClause().getText()));
798 }
799 return result;
800 }
801
802 @Override
803 public final ASTNode visitJsonObjectFunction(final JsonObjectFunctionContext ctx) {
804 FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.JSON_OBJECT().getText(), getOriginalText(ctx));
805 if (null != ctx.jsonKeyValue()) {
806 for (JsonKeyValueContext each : ctx.jsonKeyValue()) {
807 result.getParameters().add((ExpressionSegment) visit(each));
808 }
809 }
810 if (null != ctx.jsonNullClause()) {
811 result.getParameters().add((ExpressionSegment) visit(ctx.jsonNullClause()));
812 }
813 return result;
814 }
815
816 @Override
817 public final ASTNode visitJsonNullClause(final JsonNullClauseContext ctx) {
818 return new JsonNullClauseSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), getOriginalText(ctx));
819 }
820
821 @Override
822 public final ASTNode visitJsonKeyValue(final JsonKeyValueContext ctx) {
823 KeyValueSegment result = new KeyValueSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), ctx.getText());
824 if (null != ctx.expr()) {
825 result.setKey((ExpressionSegment) visit(ctx.expr(0)));
826 result.setValue((ExpressionSegment) visit(ctx.expr(1)));
827 }
828 return result;
829 }
830
831 @Override
832 public final ASTNode visitCastFunction(final CastFunctionContext ctx) {
833 calculateParameterCount(Collections.singleton(ctx.expr()));
834 String functionName = null != ctx.CAST() ? ctx.CAST().getText() : ctx.TRY_CAST().getText();
835 FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), functionName, getOriginalText(ctx));
836 ASTNode exprSegment = visit(ctx.expr());
837 if (exprSegment instanceof ColumnSegment) {
838 result.getParameters().add((ColumnSegment) exprSegment);
839 } else if (exprSegment instanceof LiteralExpressionSegment) {
840 result.getParameters().add((LiteralExpressionSegment) exprSegment);
841 } else if (exprSegment instanceof FunctionSegment) {
842 result.getParameters().add((FunctionSegment) exprSegment);
843 }
844 result.getParameters().add((DataTypeSegment) visit(ctx.dataType()));
845 return result;
846 }
847
848 @Override
849 public ASTNode visitConvertFunction(final ConvertFunctionContext ctx) {
850 String functionName = null != ctx.CONVERT() ? ctx.CONVERT().getText() : ctx.TRY_CONVERT().getText();
851 FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), functionName, getOriginalText(ctx));
852 result.getParameters().add((DataTypeSegment) visit(ctx.dataType()));
853 result.getParameters().add((ExpressionSegment) visit(ctx.expr()));
854 if (null != ctx.NUMBER_()) {
855 result.getParameters().add(new LiteralExpressionSegment(ctx.NUMBER_().getSymbol().getStartIndex(), ctx.NUMBER_().getSymbol().getStopIndex(), ctx.NUMBER_().getText()));
856 }
857 return result;
858 }
859
860 @Override
861 public final ASTNode visitCharFunction(final CharFunctionContext ctx) {
862 calculateParameterCount(ctx.expr());
863 return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.CHAR().getText(), getOriginalText(ctx));
864 }
865
866 @Override
867 public final ASTNode visitOpenJsonFunction(final OpenJsonFunctionContext ctx) {
868 return getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.OPENJSON().getText(), getOriginalText(ctx), ctx.expr());
869 }
870
871 @Override
872 public final ASTNode visitOpenRowSetFunction(final OpenRowSetFunctionContext ctx) {
873 FunctionSegment result = (FunctionSegment) getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.OPENROWSET().getText(), getOriginalText(ctx), ctx.expr());
874 if (null != ctx.tableName()) {
875 result.getParameters().add(new LiteralExpressionSegment(ctx.tableName().getStart().getStartIndex(), ctx.tableName().getStop().getStopIndex(), ctx.tableName().getText()));
876 }
877 return result;
878 }
879
880 @Override
881 public ASTNode visitOpenQueryFunction(final OpenQueryFunctionContext ctx) {
882 return getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.OPENQUERY().getText(), getOriginalText(ctx), ctx.expr());
883 }
884
885 @Override
886 public final ASTNode visitRegularFunction(final RegularFunctionContext ctx) {
887 return getFunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.regularFunctionName().getText(), getOriginalText(ctx), ctx.expr());
888 }
889
890 @Override
891 public final ASTNode visitDataTypeName(final DataTypeNameContext ctx) {
892 return new KeywordValue(ctx.getText());
893 }
894
895
896 private void calculateParameterCount(final Collection<ExprContext> exprContexts) {
897 for (ExprContext each : exprContexts) {
898 visit(each);
899 }
900 }
901
902 @Override
903 public final ASTNode visitOrderByItem(final OrderByItemContext ctx) {
904 OrderDirection orderDirection = null == ctx.DESC() ? OrderDirection.ASC : OrderDirection.DESC;
905 if (null != ctx.columnName()) {
906 ColumnSegment column = (ColumnSegment) visit(ctx.columnName());
907 return new ColumnOrderByItemSegment(column, orderDirection, null);
908 }
909 if (null != ctx.numberLiterals()) {
910 return new IndexOrderByItemSegment(ctx.numberLiterals().getStart().getStartIndex(), ctx.numberLiterals().getStop().getStopIndex(),
911 SQLUtils.getExactlyNumber(ctx.numberLiterals().getText(), 10).intValue(), orderDirection, null);
912 }
913 return new ExpressionOrderByItemSegment(ctx.expr().getStart().getStartIndex(), ctx.expr().getStop().getStopIndex(), getOriginalText(ctx.expr()), orderDirection, null,
914 (ExpressionSegment) visit(ctx.expr()));
915 }
916
917 @Override
918 public final ASTNode visitDataType(final DataTypeContext ctx) {
919 DataTypeSegment result = new DataTypeSegment();
920 result.setDataTypeName(((KeywordValue) visit(ctx.dataTypeName())).getValue());
921 result.setStartIndex(ctx.start.getStartIndex());
922 result.setStopIndex(ctx.stop.getStopIndex());
923 if (null != ctx.dataTypeLength()) {
924 DataTypeLengthSegment dataTypeLengthSegment = (DataTypeLengthSegment) visit(ctx.dataTypeLength());
925 result.setDataLength(dataTypeLengthSegment);
926 }
927 return result;
928 }
929
930 @Override
931 public final ASTNode visitDataTypeLength(final DataTypeLengthContext ctx) {
932 DataTypeLengthSegment result = new DataTypeLengthSegment();
933 result.setStartIndex(ctx.start.getStartIndex());
934 result.setStopIndex(ctx.stop.getStartIndex());
935 List<TerminalNode> numbers = ctx.NUMBER_();
936 if (numbers.size() == 1) {
937 result.setPrecision(Integer.parseInt(numbers.get(0).getText()));
938 }
939 if (numbers.size() == 2) {
940 result.setPrecision(Integer.parseInt(numbers.get(0).getText()));
941 result.setScale(Integer.parseInt(numbers.get(1).getText()));
942 }
943 return result;
944 }
945
946 @Override
947 public final ASTNode visitViewName(final ViewNameContext ctx) {
948 SimpleTableSegment result = new SimpleTableSegment(new TableNameSegment(ctx.name().getStart().getStartIndex(),
949 ctx.name().getStop().getStopIndex(), (IdentifierValue) visit(ctx.name())));
950 OwnerContext owner = ctx.owner();
951 if (null != owner) {
952 result.setOwner(new OwnerSegment(owner.getStart().getStartIndex(), owner.getStop().getStopIndex(), (IdentifierValue) visit(owner.identifier())));
953 }
954 return result;
955 }
956
957 @Override
958 public ASTNode visitSelect(final SelectContext ctx) {
959 SQLServerSelectStatement result = (SQLServerSelectStatement) visit(ctx.aggregationClause());
960 result.addParameterMarkerSegments(getParameterMarkerSegments());
961 return result;
962 }
963
964 @Override
965 public ASTNode visitAggregationClause(final AggregationClauseContext ctx) {
966
967 return visit(ctx.selectClause(0));
968 }
969
970 @Override
971 public ASTNode visitSelectClause(final SelectClauseContext ctx) {
972 SQLServerSelectStatement result = new SQLServerSelectStatement();
973 result.setProjections((ProjectionsSegment) visit(ctx.projections()));
974 if (null != ctx.selectWithClause() && null != ctx.selectWithClause().cteClauseSet()) {
975 Collection<CommonTableExpressionSegment> commonTableExpressionSegments = getCommonTableExpressionSegmentsUsingCteClauseSet(ctx.selectWithClause().cteClauseSet());
976 WithSegment withSegment = new WithSegment(ctx.selectWithClause().start.getStartIndex(), ctx.selectWithClause().stop.getStopIndex(), commonTableExpressionSegments);
977 result.setWithSegment(withSegment);
978 }
979 if (null != ctx.duplicateSpecification()) {
980 result.getProjections().setDistinctRow(isDistinct(ctx));
981 }
982 if (null != ctx.intoClause()) {
983 result.setIntoSegment((TableSegment) visit(ctx.intoClause()));
984 }
985 if (null != ctx.fromClause()) {
986 TableSegment tableSource = (TableSegment) visit(ctx.fromClause().tableReferences());
987 result.setFrom(tableSource);
988 }
989 if (null != ctx.withTableHint()) {
990 result.setWithTableHintSegment((WithTableHintSegment) visit(ctx.withTableHint()));
991 }
992 if (null != ctx.whereClause()) {
993 result.setWhere((WhereSegment) visit(ctx.whereClause()));
994 }
995 if (null != ctx.groupByClause()) {
996 result.setGroupBy((GroupBySegment) visit(ctx.groupByClause()));
997 }
998 if (null != ctx.havingClause()) {
999 result.setHaving((HavingSegment) visit(ctx.havingClause()));
1000 }
1001 if (null != ctx.orderByClause()) {
1002 result.setOrderBy(getOrderBySegment(ctx.orderByClause()));
1003 result.setLimit(getLimitSegment(ctx.orderByClause()));
1004 }
1005 return result;
1006 }
1007
1008 private Collection<CommonTableExpressionSegment> getCommonTableExpressionSegmentsUsingCteClauseSet(final CteClauseSetContext ctx) {
1009 Collection<CommonTableExpressionSegment> result = new LinkedList<>();
1010 for (CteClauseContext each : ctx.cteClause()) {
1011 SubquerySegment subquery = new SubquerySegment(each.subquery().aggregationClause().start.getStartIndex(),
1012 each.subquery().aggregationClause().stop.getStopIndex(), (SQLServerSelectStatement) visit(each.subquery()), getOriginalText(each.subquery()));
1013 CommonTableExpressionSegment commonTableExpression = new CommonTableExpressionSegment(each.start.getStartIndex(), each.stop.getStopIndex(), (AliasSegment) visit(each.alias()), subquery);
1014 if (null != each.columnNames()) {
1015 ColumnNamesContext columnNames = each.columnNames();
1016 CollectionValue<ColumnSegment> columns = (CollectionValue<ColumnSegment>) visit(columnNames);
1017 commonTableExpression.getColumns().addAll(columns.getValue());
1018 }
1019 result.add(commonTableExpression);
1020 }
1021 return result;
1022 }
1023
1024 @Override
1025 public ASTNode visitHavingClause(final HavingClauseContext ctx) {
1026 ExpressionSegment expr = (ExpressionSegment) visit(ctx.expr());
1027 return new HavingSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), expr);
1028 }
1029
1030 private LimitSegment getLimitSegment(final OrderByClauseContext ctx) {
1031 LimitSegment result = null;
1032 PaginationValueSegment offset = null;
1033 PaginationValueSegment rowcount = null;
1034 if (null != ctx.OFFSET()) {
1035 ASTNode astNode = visit(ctx.expr(0));
1036 if (astNode instanceof LiteralExpressionSegment && ((LiteralExpressionSegment) astNode).getLiterals() instanceof Number) {
1037 offset = new NumberLiteralLimitValueSegment(ctx.expr(0).start.getStartIndex(), ctx.expr(0).stop.getStopIndex(),
1038 ((Number) ((LiteralExpressionSegment) astNode).getLiterals()).longValue());
1039 } else if (astNode instanceof ParameterMarkerExpressionSegment) {
1040 offset = new ParameterMarkerLimitValueSegment(ctx.expr(0).start.getStartIndex(), ctx.expr(0).stop.getStopIndex(), parameterMarkerSegments.size() - 1);
1041 }
1042 }
1043 if (null != ctx.FETCH()) {
1044 ASTNode astNode = visit(ctx.expr(1));
1045 if (astNode instanceof LiteralExpressionSegment && ((LiteralExpressionSegment) astNode).getLiterals() instanceof Number) {
1046 rowcount = new NumberLiteralLimitValueSegment(ctx.expr(1).start.getStartIndex(), ctx.expr(1).stop.getStopIndex(),
1047 ((Number) ((LiteralExpressionSegment) astNode).getLiterals()).longValue());
1048 } else if (astNode instanceof ParameterMarkerExpressionSegment) {
1049 rowcount = new ParameterMarkerLimitValueSegment(ctx.expr(1).start.getStartIndex(), ctx.expr(1).stop.getStopIndex(), parameterMarkerSegments.size() - 1);
1050 }
1051 }
1052 if (null != offset) {
1053 result = new LimitSegment(ctx.OFFSET().getSymbol().getStartIndex(), ctx.stop.getStopIndex(), offset, rowcount);
1054 }
1055 return result;
1056 }
1057
1058 private OrderBySegment getOrderBySegment(final OrderByClauseContext ctx) {
1059 Collection<OrderByItemSegment> items = new LinkedList<>();
1060 int orderByStartIndex = ctx.start.getStartIndex();
1061 int orderByStopIndex = ctx.start.getStartIndex();
1062 for (OrderByItemContext each : ctx.orderByItem()) {
1063 items.add((OrderByItemSegment) visit(each));
1064 orderByStopIndex = each.stop.getStopIndex();
1065 }
1066 return new OrderBySegment(orderByStartIndex, orderByStopIndex, items);
1067 }
1068
1069 private boolean isDistinct(final SelectClauseContext ctx) {
1070 return ((BooleanLiteralValue) visit(ctx.duplicateSpecification())).getValue();
1071 }
1072
1073 @Override
1074 public ASTNode visitProjections(final ProjectionsContext ctx) {
1075 List<ProjectionSegment> projections = new LinkedList<>();
1076 if (null != ctx.top()) {
1077 projections.add((ProjectionSegment) visit(ctx.top()));
1078 }
1079 for (ProjectionContext each : ctx.projection()) {
1080 projections.add((ProjectionSegment) visit(each));
1081 }
1082 ProjectionsSegment result = new ProjectionsSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex());
1083 result.getProjections().addAll(projections);
1084 return result;
1085 }
1086
1087 @Override
1088 public ASTNode visitTableReferences(final TableReferencesContext ctx) {
1089 TableSegment result = (TableSegment) visit(ctx.tableReference(0));
1090 if (ctx.tableReference().size() > 1) {
1091 for (int i = 1; i < ctx.tableReference().size(); i++) {
1092 result = generateJoinTableSourceFromTableReference(ctx.tableReference(i), result);
1093 }
1094 }
1095 return result;
1096 }
1097
1098 private JoinTableSegment generateJoinTableSourceFromTableReference(final TableReferenceContext ctx, final TableSegment tableSegment) {
1099 JoinTableSegment result = new JoinTableSegment();
1100 result.setStartIndex(tableSegment.getStartIndex());
1101 result.setStopIndex(ctx.stop.getStopIndex());
1102 result.setLeft(tableSegment);
1103 result.setRight((TableSegment) visit(ctx));
1104 result.setJoinType(JoinType.COMMA.name());
1105 return result;
1106 }
1107
1108 @Override
1109 public ASTNode visitWhereClause(final WhereClauseContext ctx) {
1110 return new WhereSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), (ExpressionSegment) visit(ctx.expr()));
1111 }
1112
1113 @Override
1114 public ASTNode visitGroupByClause(final GroupByClauseContext ctx) {
1115 Collection<OrderByItemSegment> items = new LinkedList<>();
1116 for (OrderByItemContext each : ctx.orderByItem()) {
1117 items.add((OrderByItemSegment) visit(each));
1118 }
1119 return new GroupBySegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), items);
1120 }
1121
1122
1123
1124
1125
1126
1127
1128 protected String getOriginalText(final ParserRuleContext ctx) {
1129 return ctx.start.getInputStream().getText(new Interval(ctx.start.getStartIndex(), ctx.stop.getStopIndex()));
1130 }
1131
1132 @Override
1133 public ASTNode visitInsert(final InsertContext ctx) {
1134 SQLServerInsertStatement result;
1135 if (null != ctx.insertDefaultValue()) {
1136 result = (SQLServerInsertStatement) visit(ctx.insertDefaultValue());
1137 } else if (null != ctx.insertValuesClause()) {
1138 result = (SQLServerInsertStatement) visit(ctx.insertValuesClause());
1139 } else if (null != ctx.insertExecClause()) {
1140 result = (SQLServerInsertStatement) visit(ctx.insertExecClause());
1141 } else {
1142 result = (SQLServerInsertStatement) visit(ctx.insertSelectClause());
1143 }
1144 if (null != ctx.withClause()) {
1145 result.setWithSegment((WithSegment) visit(ctx.withClause()));
1146 }
1147 if (null != ctx.withTableHint()) {
1148 result.setWithTableHintSegment((WithTableHintSegment) visit(ctx.withTableHint()));
1149 }
1150 if (null != ctx.tableName()) {
1151 result.setTable((SimpleTableSegment) visit(ctx.tableName()));
1152 }
1153 if (null != ctx.rowSetFunction()) {
1154 result.setRowSetFunctionSegment((FunctionSegment) visit(ctx.rowSetFunction()));
1155 }
1156 result.addParameterMarkerSegments(getParameterMarkerSegments());
1157 return result;
1158 }
1159
1160 @Override
1161 public ASTNode visitRowSetFunction(final RowSetFunctionContext ctx) {
1162 if (null != ctx.openRowSetFunction()) {
1163 return visit(ctx.openRowSetFunction());
1164 } else {
1165 return visit(ctx.openQueryFunction());
1166 }
1167 }
1168
1169 @Override
1170 public ASTNode visitWithTableHint(final WithTableHintContext ctx) {
1171 WithTableHintSegment result = new WithTableHintSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex());
1172 if (null != ctx.tableHintLimited()) {
1173 Collection<TableHintLimitedSegment> tableHintLimitedSegments = new LinkedList<>();
1174 for (TableHintLimitedContext each : ctx.tableHintLimited()) {
1175 tableHintLimitedSegments.add((TableHintLimitedSegment) visit(each));
1176 }
1177 result.getTableHintLimitedSegments().addAll(tableHintLimitedSegments);
1178 }
1179 return result;
1180 }
1181
1182 @Override
1183 public ASTNode visitTableHintLimited(final TableHintLimitedContext ctx) {
1184 TableHintLimitedSegment result = new TableHintLimitedSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex());
1185 result.setValue(ctx.getText());
1186 return result;
1187 }
1188
1189 @Override
1190 public ASTNode visitInsertDefaultValue(final InsertDefaultValueContext ctx) {
1191 SQLServerInsertStatement result = new SQLServerInsertStatement();
1192 result.setInsertColumns(createInsertColumns(ctx.columnNames(), ctx.start.getStartIndex()));
1193 if (null != ctx.outputClause()) {
1194 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1195 }
1196 return result;
1197 }
1198
1199 @Override
1200 public ASTNode visitInsertExecClause(final InsertExecClauseContext ctx) {
1201 SQLServerInsertStatement result = new SQLServerInsertStatement();
1202 result.setInsertColumns(createInsertColumns(ctx.columnNames(), ctx.start.getStartIndex()));
1203 result.setExecSegment((ExecSegment) visit(ctx.exec()));
1204 return result;
1205 }
1206
1207 @Override
1208 public ASTNode visitExec(final ExecContext ctx) {
1209 ExecSegment result = new ExecSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex());
1210 if (null != ctx.procedureName()) {
1211 result.setProcedureName((FunctionNameSegment) visitProcedureName(ctx.procedureName()));
1212 }
1213 if (null != ctx.expr()) {
1214 Collection<ExpressionSegment> items = new LinkedList<>();
1215 for (ExprContext each : ctx.expr()) {
1216 items.add((ExpressionSegment) visit(each));
1217 }
1218 result.getExpressionSegments().addAll(items);
1219 }
1220 return result;
1221 }
1222
1223 @Override
1224 public ASTNode visitProcedureName(final ProcedureNameContext ctx) {
1225 FunctionNameSegment result = new FunctionNameSegment(ctx.name().start.getStartIndex(), ctx.name().stop.getStopIndex(), (IdentifierValue) visit(ctx.name()));
1226 if (null != ctx.owner()) {
1227 result.setOwner(new OwnerSegment(ctx.owner().start.getStartIndex(), ctx.owner().stop.getStopIndex(), (IdentifierValue) visit(ctx.owner())));
1228 }
1229 return result;
1230 }
1231
1232 @Override
1233 public ASTNode visitOutputClause(final OutputClauseContext ctx) {
1234 OutputSegment result = new OutputSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex());
1235 if (null != ctx.outputWithColumns()) {
1236 OutputWithColumnsContext outputWithColumnsContext = ctx.outputWithColumns();
1237 ProjectionsSegment outputColumns = new ProjectionsSegment(outputWithColumnsContext.start.getStartIndex(), outputWithColumnsContext.stop.getStopIndex());
1238 for (int i = 0; i < outputWithColumnsContext.getChildCount(); i += 2) {
1239 ParseTree each = outputWithColumnsContext.getChild(i);
1240 if (each instanceof OutputWithColumnContext) {
1241 outputColumns.getProjections().add(createColumnProjectionSegment((OutputWithColumnContext) each));
1242 }
1243 if (each instanceof ScalarExpressionContext) {
1244 outputColumns.getProjections().add(createScalarExpressionContext((ScalarExpressionContext) each));
1245 }
1246 }
1247 result.setOutputColumns(outputColumns);
1248 }
1249 if (null != ctx.outputTableName()) {
1250 if (null != ctx.outputTableName().tableName()) {
1251 result.setTable((SimpleTableSegment) visit(ctx.outputTableName().tableName()));
1252 }
1253 if (null != ctx.columnNames()) {
1254 ColumnNamesContext columnNames = ctx.columnNames();
1255 CollectionValue<ColumnSegment> columns = (CollectionValue<ColumnSegment>) visit(columnNames);
1256 result.getTableColumns().addAll(columns.getValue());
1257 }
1258 }
1259 return result;
1260 }
1261
1262 private ProjectionSegment createScalarExpressionContext(final ScalarExpressionContext context) {
1263 ExpressionProjectionSegment result = new ExpressionProjectionSegment(context.start.getStartIndex(), context.stop.getStopIndex(),
1264 getOriginalText(context), (ExpressionSegment) visit(context.expr()));
1265 if (null != context.alias()) {
1266 result.setAlias(new AliasSegment(context.alias().start.getStartIndex(), context.alias().stop.getStopIndex(), new IdentifierValue(context.alias().getText())));
1267 }
1268 return result;
1269 }
1270
1271 private ProjectionSegment createColumnProjectionSegment(final OutputWithColumnContext context) {
1272 ColumnSegment column = new ColumnSegment(context.start.getStartIndex(), context.stop.getStopIndex(), new IdentifierValue(context.name().getText()));
1273 ColumnProjectionSegment result = new ColumnProjectionSegment(column);
1274 if (null != context.alias()) {
1275 result.setAlias(new AliasSegment(context.alias().start.getStartIndex(), context.alias().stop.getStopIndex(), new IdentifierValue(context.alias().getText())));
1276 }
1277 return result;
1278 }
1279
1280 @Override
1281 public ASTNode visitInsertValuesClause(final InsertValuesClauseContext ctx) {
1282 SQLServerInsertStatement result = new SQLServerInsertStatement();
1283 result.setInsertColumns(createInsertColumns(ctx.columnNames(), ctx.start.getStartIndex()));
1284 result.getValues().addAll(createInsertValuesSegments(ctx.assignmentValues()));
1285 if (null != ctx.outputClause()) {
1286 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1287 }
1288 return result;
1289 }
1290
1291 private Collection<InsertValuesSegment> createInsertValuesSegments(final Collection<AssignmentValuesContext> assignmentValuesContexts) {
1292 Collection<InsertValuesSegment> result = new LinkedList<>();
1293 for (AssignmentValuesContext each : assignmentValuesContexts) {
1294 result.add((InsertValuesSegment) visit(each));
1295 }
1296 return result;
1297 }
1298
1299 @Override
1300 public ASTNode visitInsertSelectClause(final InsertSelectClauseContext ctx) {
1301 SQLServerInsertStatement result = new SQLServerInsertStatement();
1302 result.setInsertColumns(createInsertColumns(ctx.columnNames(), ctx.start.getStartIndex()));
1303 result.setInsertSelect(createInsertSelectSegment(ctx));
1304 if (null != ctx.outputClause()) {
1305 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1306 }
1307 return result;
1308 }
1309
1310 @SuppressWarnings("unchecked")
1311 private InsertColumnsSegment createInsertColumns(final ColumnNamesContext columnNames, final int startIndex) {
1312 if (null == columnNames) {
1313 return new InsertColumnsSegment(startIndex - 1, startIndex - 1, Collections.emptyList());
1314 } else {
1315 CollectionValue<ColumnSegment> columnSegments = (CollectionValue<ColumnSegment>) visit(columnNames);
1316 return new InsertColumnsSegment(columnNames.start.getStartIndex(), columnNames.stop.getStopIndex(), columnSegments.getValue());
1317 }
1318 }
1319
1320 private SubquerySegment createInsertSelectSegment(final InsertSelectClauseContext ctx) {
1321 SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) visit(ctx.select());
1322 return new SubquerySegment(ctx.select().start.getStartIndex(), ctx.select().stop.getStopIndex(), selectStatement, getOriginalText(ctx.select()));
1323 }
1324
1325 @Override
1326 public ASTNode visitWithClause(final WithClauseContext ctx) {
1327 Collection<CommonTableExpressionSegment> commonTableExpressionSegments = getCommonTableExpressionSegmentsUsingCteClauseSet(ctx.cteClauseSet());
1328 return new WithSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), commonTableExpressionSegments);
1329 }
1330
1331 @Override
1332 public ASTNode visitUpdate(final UpdateContext ctx) {
1333 SQLServerUpdateStatement result = new SQLServerUpdateStatement();
1334 if (null != ctx.withClause()) {
1335 result.setWithSegment((WithSegment) visit(ctx.withClause()));
1336 }
1337 result.setTable((TableSegment) visit(ctx.tableReferences()));
1338 result.setSetAssignment((SetAssignmentSegment) visit(ctx.setAssignmentsClause()));
1339 if (null != ctx.fromClause()) {
1340 result.setFrom((TableSegment) visit(ctx.fromClause()));
1341 }
1342 if (null != ctx.withTableHint()) {
1343 result.setWithTableHintSegment((WithTableHintSegment) visit(ctx.withTableHint()));
1344 }
1345 if (null != ctx.whereClause()) {
1346 result.setWhere((WhereSegment) visit(ctx.whereClause()));
1347 }
1348 if (null != ctx.optionHint()) {
1349 result.setOptionHintSegment((OptionHintSegment) visit(ctx.optionHint()));
1350 }
1351 if (null != ctx.outputClause()) {
1352 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1353 }
1354 result.addParameterMarkerSegments(getParameterMarkerSegments());
1355 return result;
1356 }
1357
1358 @Override
1359 public ASTNode visitOptionHint(final OptionHintContext ctx) {
1360 return new OptionHintSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), getOriginalText(ctx));
1361 }
1362
1363 @Override
1364 public ASTNode visitSetAssignmentsClause(final SetAssignmentsClauseContext ctx) {
1365 Collection<ColumnAssignmentSegment> assignments = new LinkedList<>();
1366 for (AssignmentContext each : ctx.assignment()) {
1367 assignments.add((ColumnAssignmentSegment) visit(each));
1368 }
1369 return new SetAssignmentSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), assignments);
1370 }
1371
1372 @Override
1373 public ASTNode visitAssignmentValues(final AssignmentValuesContext ctx) {
1374 List<ExpressionSegment> segments = new LinkedList<>();
1375 for (AssignmentValueContext each : ctx.assignmentValue()) {
1376 segments.add((ExpressionSegment) visit(each));
1377 }
1378 return new InsertValuesSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), segments);
1379 }
1380
1381 @Override
1382 public ASTNode visitAssignment(final AssignmentContext ctx) {
1383 ColumnSegment column = (ColumnSegment) visitColumnName(ctx.columnName());
1384 List<ColumnSegment> columnSegments = new LinkedList<>();
1385 columnSegments.add(column);
1386 ExpressionSegment value = (ExpressionSegment) visit(ctx.assignmentValue());
1387 return new ColumnAssignmentSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), columnSegments, value);
1388 }
1389
1390 @Override
1391 public ASTNode visitAssignmentValue(final AssignmentValueContext ctx) {
1392 ExprContext expr = ctx.expr();
1393 if (null != expr) {
1394 return visit(expr);
1395 }
1396 return new CommonExpressionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.getText());
1397 }
1398
1399 @Override
1400 public ASTNode visitDelete(final DeleteContext ctx) {
1401 SQLServerDeleteStatement result = new SQLServerDeleteStatement();
1402 if (null != ctx.withClause()) {
1403 result.setWithSegment((WithSegment) visit(ctx.withClause()));
1404 }
1405 if (null != ctx.multipleTablesClause()) {
1406 result.setTable((TableSegment) visit(ctx.multipleTablesClause()));
1407 } else {
1408 result.setTable((TableSegment) visit(ctx.singleTableClause()));
1409 }
1410 if (null != ctx.outputClause()) {
1411 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1412 }
1413 if (null != ctx.whereClause()) {
1414 result.setWhere((WhereSegment) visit(ctx.whereClause()));
1415 }
1416 if (null != ctx.outputClause()) {
1417 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1418 }
1419 result.addParameterMarkerSegments(getParameterMarkerSegments());
1420 return result;
1421 }
1422
1423 @Override
1424 public ASTNode visitSingleTableClause(final SingleTableClauseContext ctx) {
1425 SimpleTableSegment result = (SimpleTableSegment) visit(ctx.tableName());
1426 if (null != ctx.alias()) {
1427 result.setAlias((AliasSegment) visit(ctx.alias()));
1428 }
1429 return result;
1430 }
1431
1432 @Override
1433 public ASTNode visitMultipleTablesClause(final MultipleTablesClauseContext ctx) {
1434 DeleteMultiTableSegment result = new DeleteMultiTableSegment();
1435 TableSegment relateTableSource = (TableSegment) visit(ctx.tableReferences());
1436 result.setRelationTable(relateTableSource);
1437 result.setActualDeleteTables(generateTablesFromTableMultipleTableNames(ctx.multipleTableNames()));
1438 return result;
1439 }
1440
1441 private List<SimpleTableSegment> generateTablesFromTableMultipleTableNames(final MultipleTableNamesContext ctx) {
1442 List<SimpleTableSegment> result = new LinkedList<>();
1443 for (TableNameContext each : ctx.tableName()) {
1444 result.add((SimpleTableSegment) visit(each));
1445 }
1446 return result;
1447 }
1448
1449 @Override
1450 public ASTNode visitDuplicateSpecification(final DuplicateSpecificationContext ctx) {
1451 return new BooleanLiteralValue(null != ctx.DISTINCT());
1452 }
1453
1454 @Override
1455 public ASTNode visitProjection(final ProjectionContext ctx) {
1456 if (null != ctx.qualifiedShorthand()) {
1457 QualifiedShorthandContext shorthand = ctx.qualifiedShorthand();
1458 ShorthandProjectionSegment result = new ShorthandProjectionSegment(shorthand.getStart().getStartIndex(), shorthand.getStop().getStopIndex());
1459 IdentifierValue identifier = new IdentifierValue(shorthand.identifier().getText());
1460 result.setOwner(new OwnerSegment(shorthand.identifier().getStart().getStartIndex(), shorthand.identifier().getStop().getStopIndex(), identifier));
1461 return result;
1462 }
1463 if (null != ctx.unqualifiedShorthand()) {
1464 return new ShorthandProjectionSegment(ctx.unqualifiedShorthand().getStart().getStartIndex(), ctx.unqualifiedShorthand().getStop().getStopIndex());
1465 }
1466 AliasSegment alias = null == ctx.alias() ? null : (AliasSegment) visit(ctx.alias());
1467 if (null != ctx.columnName()) {
1468 ColumnSegment column = (ColumnSegment) visit(ctx.columnName());
1469 ColumnProjectionSegment result = new ColumnProjectionSegment(column);
1470 result.setAlias(alias);
1471 return result;
1472 }
1473 return createProjection(ctx, alias);
1474 }
1475
1476 @Override
1477 public ASTNode visitTop(final TopContext ctx) {
1478 int startIndex = ctx.topNum().getStart().getStartIndex();
1479 int stopIndex = ctx.topNum().getStop().getStopIndex();
1480 ASTNode topNum = visit(ctx.topNum());
1481 if (topNum instanceof NumberLiteralValue) {
1482 NumberLiteralRowNumberValueSegment rowNumberSegment = new NumberLiteralRowNumberValueSegment(startIndex, stopIndex, ((NumberLiteralValue) topNum).getValue().longValue(), false);
1483 return new TopProjectionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), rowNumberSegment, null != ctx.alias() ? ctx.alias().getText() : null);
1484 }
1485 ParameterMarkerSegment parameterSegment = new ParameterMarkerRowNumberValueSegment(startIndex, stopIndex, ((ParameterMarkerValue) topNum).getValue(), false);
1486 parameterMarkerSegments.add(parameterSegment);
1487 return new TopProjectionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), (RowNumberValueSegment) parameterSegment, null != ctx.alias() ? ctx.alias().getText() : null);
1488 }
1489
1490 @Override
1491 public ASTNode visitAlias(final AliasContext ctx) {
1492 if (null != ctx.identifier()) {
1493 return new AliasSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), (IdentifierValue) visit(ctx.identifier()));
1494 }
1495 if (null != ctx.NCHAR_TEXT()) {
1496 return new AliasSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), new IdentifierValue(ctx.NCHAR_TEXT().getText().substring(1)));
1497 }
1498 return new AliasSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), new IdentifierValue(ctx.STRING_().getText()));
1499 }
1500
1501 private ASTNode createProjection(final ProjectionContext ctx, final AliasSegment alias) {
1502 ASTNode projection = visit(ctx.expr());
1503 if (projection instanceof AggregationProjectionSegment) {
1504 ((AggregationProjectionSegment) projection).setAlias(alias);
1505 return projection;
1506 }
1507 if (projection instanceof ExpressionProjectionSegment) {
1508 ((ExpressionProjectionSegment) projection).setAlias(alias);
1509 return projection;
1510 }
1511 if (projection instanceof FunctionSegment) {
1512 FunctionSegment segment = (FunctionSegment) projection;
1513 ExpressionProjectionSegment result = new ExpressionProjectionSegment(segment.getStartIndex(), segment.getStopIndex(), segment.getText(), segment);
1514 result.setAlias(alias);
1515 return result;
1516 }
1517 if (projection instanceof CommonExpressionSegment) {
1518 CommonExpressionSegment segment = (CommonExpressionSegment) projection;
1519 ExpressionProjectionSegment result = new ExpressionProjectionSegment(segment.getStartIndex(), segment.getStopIndex(), segment.getText(), segment);
1520 result.setAlias(alias);
1521 return result;
1522 }
1523
1524 if (projection instanceof ColumnSegment) {
1525 ColumnProjectionSegment result = new ColumnProjectionSegment((ColumnSegment) projection);
1526 result.setAlias(alias);
1527 return result;
1528 }
1529 if (projection instanceof SubqueryExpressionSegment) {
1530 SubqueryExpressionSegment subqueryExpressionSegment = (SubqueryExpressionSegment) projection;
1531 String text = ctx.start.getInputStream().getText(new Interval(subqueryExpressionSegment.getStartIndex(), subqueryExpressionSegment.getStopIndex()));
1532 SubqueryProjectionSegment result = new SubqueryProjectionSegment(((SubqueryExpressionSegment) projection).getSubquery(), text);
1533 result.setAlias(alias);
1534 return result;
1535 }
1536 if (projection instanceof BinaryOperationExpression) {
1537 BinaryOperationExpression binaryExpression = (BinaryOperationExpression) projection;
1538 int startIndex = getStartIndexWithAlias(binaryExpression, alias);
1539 int stopIndex = getStopIndexWithAlias(binaryExpression, alias);
1540 ExpressionProjectionSegment result = new ExpressionProjectionSegment(startIndex, stopIndex, binaryExpression.getText(), binaryExpression);
1541 result.setAlias(alias);
1542 return result;
1543 }
1544 if (projection instanceof ParameterMarkerExpressionSegment) {
1545 ParameterMarkerExpressionSegment result = (ParameterMarkerExpressionSegment) projection;
1546 result.setAlias(alias);
1547 return projection;
1548 }
1549 ExpressionSegment column = (ExpressionSegment) projection;
1550 ExpressionProjectionSegment result = new ExpressionProjectionSegment(getStartIndexWithAlias(column, alias), getStopIndexWithAlias(column, alias), String.valueOf(column.getText()), column);
1551 result.setAlias(alias);
1552 return result;
1553 }
1554
1555 private int getStartIndexWithAlias(final SQLSegment sqlSegment, final AliasSegment alias) {
1556 return null != alias && alias.getStartIndex() < sqlSegment.getStartIndex() ? alias.getStartIndex() : sqlSegment.getStartIndex();
1557 }
1558
1559 private int getStopIndexWithAlias(final SQLSegment sqlSegment, final AliasSegment alias) {
1560 return null != alias && alias.getStopIndex() > sqlSegment.getStopIndex() ? alias.getStopIndex() : sqlSegment.getStopIndex();
1561 }
1562
1563 @Override
1564 public ASTNode visitIntoClause(final IntoClauseContext ctx) {
1565 return visit(ctx.tableName());
1566 }
1567
1568 @Override
1569 public ASTNode visitFromClause(final FromClauseContext ctx) {
1570 return visit(ctx.tableReferences());
1571 }
1572
1573 @Override
1574 public ASTNode visitTableReference(final TableReferenceContext ctx) {
1575 TableSegment result;
1576 TableSegment left;
1577 left = (TableSegment) visit(ctx.tableFactor());
1578 if (!ctx.joinedTable().isEmpty()) {
1579 for (JoinedTableContext each : ctx.joinedTable()) {
1580 left = visitJoinedTable(each, left);
1581 }
1582 }
1583 result = left;
1584 return result;
1585 }
1586
1587 @Override
1588 public ASTNode visitTableFactor(final TableFactorContext ctx) {
1589 if (null != ctx.subquery()) {
1590 SubquerySegment subquerySegment = new SubquerySegment(ctx.subquery().start.getStartIndex(), ctx.subquery().stop.getStopIndex(), getOriginalText(ctx.subquery()));
1591 if (null != ctx.subquery().merge()) {
1592 subquerySegment.setMerge((MergeStatement) visit(ctx.subquery()));
1593 } else {
1594 subquerySegment.setSelect((SQLServerSelectStatement) visit(ctx.subquery()));
1595 }
1596 SubqueryTableSegment result = new SubqueryTableSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), subquerySegment);
1597 if (null != ctx.alias()) {
1598 result.setAlias((AliasSegment) visit(ctx.alias()));
1599 }
1600 return result;
1601 }
1602 if (null != ctx.tableName()) {
1603 SimpleTableSegment result = (SimpleTableSegment) visit(ctx.tableName());
1604 if (null != ctx.alias()) {
1605 result.setAlias((AliasSegment) visit(ctx.alias()));
1606 }
1607 return result;
1608 }
1609 if (null != ctx.expr()) {
1610 ExpressionSegment exprSegment = (ExpressionSegment) visit(ctx.expr());
1611 FunctionTableSegment result = new FunctionTableSegment(exprSegment.getStartIndex(), exprSegment.getStopIndex(), exprSegment);
1612 if (null != ctx.alias()) {
1613 result.setAlias((AliasSegment) visit(ctx.alias()));
1614 }
1615 return result;
1616 }
1617 return visit(ctx.tableReferences());
1618 }
1619
1620 private JoinTableSegment visitJoinedTable(final JoinedTableContext ctx, final TableSegment tableSegment) {
1621 JoinTableSegment result = new JoinTableSegment();
1622 result.setLeft(tableSegment);
1623 result.setStartIndex(tableSegment.getStartIndex());
1624 result.setStopIndex(ctx.stop.getStopIndex());
1625 TableSegment right = (TableSegment) visit(ctx.tableFactor());
1626 result.setRight(right);
1627 result.setJoinType(getJoinType(ctx));
1628 if (null != ctx.joinSpecification()) {
1629 visitJoinSpecification(ctx.joinSpecification(), result);
1630 }
1631 return result;
1632 }
1633
1634 private String getJoinType(final JoinedTableContext ctx) {
1635 if (null != ctx.LEFT()) {
1636 return JoinType.LEFT.name();
1637 } else if (null != ctx.RIGHT()) {
1638 return JoinType.RIGHT.name();
1639 } else if (null != ctx.FULL()) {
1640 return JoinType.FULL.name();
1641 } else if (null != ctx.INNER()) {
1642 return JoinType.INNER.name();
1643 } else if (null != ctx.CROSS()) {
1644 return JoinType.CROSS.name();
1645 }
1646 return JoinType.INNER.name();
1647 }
1648
1649 private void visitJoinSpecification(final JoinSpecificationContext ctx, final JoinTableSegment joinTableSource) {
1650 if (null != ctx.expr()) {
1651 ExpressionSegment condition = (ExpressionSegment) visit(ctx.expr());
1652 joinTableSource.setCondition(condition);
1653 }
1654 if (null != ctx.USING()) {
1655 joinTableSource.setUsing(ctx.columnNames().columnName().stream().map(each -> (ColumnSegment) visit(each)).collect(Collectors.toList()));
1656 }
1657 }
1658
1659 @Override
1660 public ASTNode visitSubquery(final SubqueryContext ctx) {
1661 if (null != ctx.merge()) {
1662 return visit(ctx.merge());
1663 }
1664 return visit(ctx.aggregationClause());
1665 }
1666
1667 @Override
1668 public ASTNode visitCreateTableAsSelectClause(final CreateTableAsSelectClauseContext ctx) {
1669 SQLServerCreateTableStatement result = new SQLServerCreateTableStatement();
1670 if (null != ctx.createTableAsSelect()) {
1671 result.setTable((SimpleTableSegment) visit(ctx.createTableAsSelect().tableName()));
1672 result.setSelectStatement((SQLServerSelectStatement) visit(ctx.createTableAsSelect().select()));
1673 if (null != ctx.createTableAsSelect().columnNames()) {
1674 CollectionValue<ColumnSegment> columnSegments = (CollectionValue<ColumnSegment>) visit(ctx.createTableAsSelect().columnNames());
1675 for (ColumnSegment each : columnSegments.getValue()) {
1676 result.getColumns().add(each);
1677 }
1678 }
1679 } else {
1680 result.setTable((SimpleTableSegment) visit(ctx.createRemoteTableAsSelect().tableName()));
1681 result.setSelectStatement((SQLServerSelectStatement) visit(ctx.createRemoteTableAsSelect().select()));
1682 }
1683 return result;
1684 }
1685
1686 @Override
1687 public ASTNode visitUpdateStatistics(final UpdateStatisticsContext ctx) {
1688 UpdateStatisticsStatement result = new UpdateStatisticsStatement();
1689 if (null != ctx.tableName()) {
1690 result.setTable((SimpleTableSegment) visit(ctx.tableName()));
1691 }
1692 if (null != ctx.indexName() && !ctx.indexName().isEmpty()) {
1693 List<IndexSegment> indexSegments = new LinkedList<>();
1694 for (IndexNameContext indexNameContext : ctx.indexName()) {
1695 indexSegments.add((IndexSegment) visit(indexNameContext));
1696 }
1697 result.setIndexes(indexSegments);
1698 }
1699 if (null != ctx.statisticsWithClause()) {
1700 result.setStrategy((StatisticsStrategySegment) visit(ctx.statisticsWithClause()));
1701 }
1702 return result;
1703 }
1704
1705 @Override
1706 public ASTNode visitStatisticsWithClause(final StatisticsWithClauseContext ctx) {
1707 StatisticsStrategySegment result = new StatisticsStrategySegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex());
1708 if (null != ctx.sampleOption()) {
1709 result.setSampleOption((SampleOptionSegment) visit(ctx.sampleOption()));
1710 }
1711 if (null != ctx.statisticsOptions()) {
1712 result.setStatisticsOptions((StatisticsOptionSegment) visit(ctx.statisticsOptions()));
1713 }
1714 return result;
1715 }
1716
1717 @Override
1718 public ASTNode visitSampleOption(final SampleOptionContext ctx) {
1719 SampleOptionSegment result = new SampleOptionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex());
1720 if (null != ctx.FULLSCAN()) {
1721 result.setStrategy(SampleStrategy.FULLSCAN);
1722 } else if (null != ctx.SAMPLE()) {
1723 result.setStrategy(SampleStrategy.SAMPLE);
1724 if (null != ctx.NUMBER_()) {
1725 List<TerminalNode> number = ctx.NUMBER_();
1726 result.setSampleNumber(number.get(0).getText());
1727 }
1728 if (null != ctx.PERCENT()) {
1729 result.setScanUnit(ScanUnit.PERCENT);
1730 } else if (null != ctx.ROWS()) {
1731 result.setScanUnit(ScanUnit.ROWS);
1732 }
1733 } else if (null != ctx.RESAMPLE()) {
1734 result.setStrategy(SampleStrategy.RESAMPLE);
1735 if (null != ctx.NUMBER_()) {
1736 List<String> partitions = new LinkedList<>();
1737 for (TerminalNode terminalNode : ctx.NUMBER_()) {
1738 partitions.add(terminalNode.getText());
1739 }
1740 result.setPartitions(partitions);
1741 }
1742 }
1743 if (null != ctx.PERSIST_SAMPLE_PERCENT()) {
1744 result.setPersistSamplePercent(null != ctx.ON());
1745 }
1746 return result;
1747 }
1748
1749 @Override
1750 public ASTNode visitStatisticsOptions(final StatisticsOptionsContext ctx) {
1751 StatisticsOptionSegment result = new StatisticsOptionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex());
1752 for (StatisticsOptionContext option : ctx.statisticsOption()) {
1753 if (null != option.ALL()) {
1754 result.setStatisticsDimension(StatisticsDimension.ALL);
1755 } else if (null != option.COLUMNS()) {
1756 result.setStatisticsDimension(StatisticsDimension.COLUMNS);
1757 } else if (null != option.INDEX()) {
1758 result.setStatisticsDimension(StatisticsDimension.INDEX);
1759 }
1760 if (null != option.NORECOMPUTE()) {
1761 result.setNoRecompute(true);
1762 }
1763 if (null != option.INCREMENTAL()) {
1764 result.setIncremental(null != option.ON());
1765 }
1766 if (null != option.MAXDOP()) {
1767 result.setMaxDegreeOfParallelism(option.NUMBER_().getText());
1768 }
1769 if (null != option.AUTO_DROP()) {
1770 result.setAutoDrop(null != option.ON());
1771 }
1772 }
1773 return result;
1774 }
1775
1776 @Override
1777 public ASTNode visitMerge(final MergeContext ctx) {
1778 SQLServerMergeStatement result = new SQLServerMergeStatement();
1779 result.setTarget((TableSegment) visit(ctx.mergeIntoClause().tableReferences()));
1780 if (null != ctx.withClause()) {
1781 result.setWithSegment((WithSegment) visit(ctx.withClause()));
1782 }
1783 if (null != ctx.withMergeHint()) {
1784 result.setWithTableHintSegment((WithTableHintSegment) visit(ctx.withMergeHint().withTableHint()));
1785 if (null != ctx.withMergeHint().indexName()) {
1786 Collection<IndexSegment> indexSegments = new LinkedList<>();
1787 for (IndexNameContext each : ctx.withMergeHint().indexName()) {
1788 indexSegments.add((IndexSegment) visit(each));
1789 }
1790 result.setIndexes(indexSegments);
1791 }
1792 }
1793 if (null != ctx.mergeUsingClause()) {
1794 result.setSource((TableSegment) visit(ctx.mergeUsingClause().tableReferences()));
1795 ExpressionWithParamsSegment onExpression = new ExpressionWithParamsSegment(ctx.mergeUsingClause().expr().start.getStartIndex(), ctx.mergeUsingClause().expr().stop.getStopIndex(),
1796 (ExpressionSegment) visit(ctx.mergeUsingClause().expr()));
1797 result.setExpression(onExpression);
1798 }
1799 if (null != ctx.mergeWhenClause()) {
1800 for (MergeWhenClauseContext each : ctx.mergeWhenClause()) {
1801 result.getWhenAndThenSegments().add((MergeWhenAndThenSegment) visit(each));
1802 }
1803 }
1804 if (null != ctx.outputClause()) {
1805 result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
1806 }
1807 if (null != ctx.optionHint()) {
1808 result.setOptionHintSegment((OptionHintSegment) visit(ctx.optionHint()));
1809 }
1810 return result;
1811 }
1812
1813 @Override
1814 public ASTNode visitMergeWhenClause(final MergeWhenClauseContext ctx) {
1815 MergeWhenAndThenSegment result = new MergeWhenAndThenSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), getOriginalText(ctx));
1816 if (null != ctx.mergeDeleteClause() && null != ctx.mergeDeleteClause().expr()) {
1817 result.setAndExpr((ExpressionSegment) visit(ctx.mergeDeleteClause().expr()));
1818 }
1819 if (null != ctx.mergeUpdateClause()) {
1820 result.setUpdate((SQLServerUpdateStatement) visit(ctx.mergeUpdateClause()));
1821 if (null != ctx.mergeUpdateClause().expr()) {
1822 result.setAndExpr((ExpressionSegment) visit(ctx.mergeUpdateClause().expr()));
1823 }
1824 }
1825 if (null != ctx.mergeInsertClause()) {
1826 result.setInsert((SQLServerInsertStatement) visit(ctx.mergeInsertClause()));
1827 if (null != ctx.mergeInsertClause().expr()) {
1828 result.setAndExpr((ExpressionSegment) visit(ctx.mergeInsertClause().expr()));
1829 }
1830 }
1831 return result;
1832 }
1833
1834 @Override
1835 public ASTNode visitMergeInsertClause(final MergeInsertClauseContext ctx) {
1836 SQLServerInsertStatement result;
1837 if (null != ctx.insertDefaultValue()) {
1838 result = (SQLServerInsertStatement) visit(ctx.insertDefaultValue());
1839 } else {
1840 result = (SQLServerInsertStatement) visit(ctx.insertValuesClause());
1841 }
1842 return result;
1843 }
1844
1845 @Override
1846 public ASTNode visitMergeUpdateClause(final MergeUpdateClauseContext ctx) {
1847 SQLServerUpdateStatement result = new SQLServerUpdateStatement();
1848 result.setSetAssignment((SetAssignmentSegment) visit(ctx.setAssignmentsClause()));
1849 return result;
1850 }
1851 }