SpotBugs Bug Detector Report

The following document contains the results of SpotBugs

SpotBugs Version is 4.7.3

Threshold is medium

Effort is default

Summary

Classes Bugs Errors Missing Classes
131 35 0 0

Files

Class Bugs
org.apache.shardingsphere.sqlfederation.compiler.SQLFederationExecutionPlan 2
org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext 4
org.apache.shardingsphere.sqlfederation.compiler.implementor.ScanImplementorContext 2
org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationDatabase 1
org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationSchema 1
org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationTable 1
org.apache.shardingsphere.sqlfederation.compiler.metadata.view.ShardingSphereViewExpander 1
org.apache.shardingsphere.sqlfederation.compiler.planner.cache.ExecutionPlanCacheKey 3
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.converter.EnumerableModifyConverterRule 1
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config 3
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config 3
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule 1
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule$Config 1
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule 1
org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule$Config 1
org.apache.shardingsphere.sqlfederation.compiler.rel.builder.LogicalScanPushDownRelBuilder 1
org.apache.shardingsphere.sqlfederation.compiler.rel.operator.logical.LogicalScan 2
org.apache.shardingsphere.sqlfederation.compiler.rel.operator.physical.EnumerableScan 2
org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.BinaryOperationExpressionConverter 2
org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.DataTypeExpressionConverter 1
org.apache.shardingsphere.sqlfederation.compiler.sql.dialect.impl.CustomMySQLSQLDialect 1

org.apache.shardingsphere.sqlfederation.compiler.SQLFederationExecutionPlan

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.SQLFederationExecutionPlan.getPhysicalPlan() may expose internal representation by returning SQLFederationExecutionPlan.physicalPlan MALICIOUS_CODE EI_EXPOSE_REP 39 Medium
new org.apache.shardingsphere.sqlfederation.compiler.SQLFederationExecutionPlan(RelNode, RelDataType) may expose internal representation by storing an externally mutable object into SQLFederationExecutionPlan.physicalPlan MALICIOUS_CODE EI_EXPOSE_REP2 35 Medium

org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext.getCalciteSchema() may expose internal representation by returning CompilerContext.calciteSchema MALICIOUS_CODE EI_EXPOSE_REP 38 Medium
org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext.getOperatorTables() may expose internal representation by returning CompilerContext.operatorTables MALICIOUS_CODE EI_EXPOSE_REP 42 Medium
new org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext(SQLParserRule, CalciteSchema, CalciteConnectionConfig, Collection) may expose internal representation by storing an externally mutable object into CompilerContext.calciteSchema MALICIOUS_CODE EI_EXPOSE_REP2 32 Medium
new org.apache.shardingsphere.sqlfederation.compiler.context.CompilerContext(SQLParserRule, CalciteSchema, CalciteConnectionConfig, Collection) may expose internal representation by storing an externally mutable object into CompilerContext.operatorTables MALICIOUS_CODE EI_EXPOSE_REP2 32 Medium

org.apache.shardingsphere.sqlfederation.compiler.implementor.ScanImplementorContext

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.implementor.ScanImplementorContext.getParamIndexes() may expose internal representation by returning ScanImplementorContext.paramIndexes MALICIOUS_CODE EI_EXPOSE_REP 35 Medium
new org.apache.shardingsphere.sqlfederation.compiler.implementor.ScanImplementorContext(DataContext, String, int[]) may expose internal representation by storing an externally mutable object into ScanImplementorContext.paramIndexes MALICIOUS_CODE EI_EXPOSE_REP2 27 Medium

org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationDatabase

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationDatabase.getSubSchemaMap() may expose internal representation by returning SQLFederationDatabase.subSchemaMap MALICIOUS_CODE EI_EXPOSE_REP 38 Medium

org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationSchema

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationSchema.getTableMap() may expose internal representation by returning SQLFederationSchema.tableMap MALICIOUS_CODE EI_EXPOSE_REP 46 Medium

org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationTable

Bug Category Details Line Priority
new org.apache.shardingsphere.sqlfederation.compiler.metadata.schema.SQLFederationTable(ShardingSphereTable, DatabaseType) may expose internal representation by storing an externally mutable object into SQLFederationTable.table MALICIOUS_CODE EI_EXPOSE_REP2 62 Medium

org.apache.shardingsphere.sqlfederation.compiler.metadata.view.ShardingSphereViewExpander

Bug Category Details Line Priority
new org.apache.shardingsphere.sqlfederation.compiler.metadata.view.ShardingSphereViewExpander(SQLParserRule, DatabaseType, SqlToRelConverter) may expose internal representation by storing an externally mutable object into ShardingSphereViewExpander.sqlToRelConverter MALICIOUS_CODE EI_EXPOSE_REP2 37 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.cache.ExecutionPlanCacheKey

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.planner.cache.ExecutionPlanCacheKey.getSqlStatement() may expose internal representation by returning ExecutionPlanCacheKey.sqlStatement MALICIOUS_CODE EI_EXPOSE_REP 40 Medium
org.apache.shardingsphere.sqlfederation.compiler.planner.cache.ExecutionPlanCacheKey.getTableMetaDataVersions() may expose internal representation by returning ExecutionPlanCacheKey.tableMetaDataVersions MALICIOUS_CODE EI_EXPOSE_REP 44 Medium
new org.apache.shardingsphere.sqlfederation.compiler.planner.cache.ExecutionPlanCacheKey(String, SQLStatement, SQLStatementCompiler) may expose internal representation by storing an externally mutable object into ExecutionPlanCacheKey.sqlStatement MALICIOUS_CODE EI_EXPOSE_REP2 32 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.converter.EnumerableModifyConverterRule

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.planner.rule.converter.EnumerableModifyConverterRule.convert(RelNode) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 45 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config

Bug Category Details Line Priority
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config.equals(Object) overrides the nullness annotation of parameter another in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 199-200 Medium
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config.withDescription(String) overrides the nullness annotation of parameter $L1 in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 36 Medium
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config.withDescription(String) overrides the nullness annotation of parameter value in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 177-178 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config

Bug Category Details Line Priority
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config.equals(Object) overrides the nullness annotation of parameter another in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 199-200 Medium
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config.withDescription(String) overrides the nullness annotation of parameter $L1 in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 36 Medium
Method org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config.withDescription(String) overrides the nullness annotation of parameter value in an incompatible way STYLE NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION 177-178 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule.matches(RelOptRuleCall) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 52 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule$Config

Bug Category Details Line Priority
Initialization of org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushFilterIntoScanRule$Config accesses class org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushFilterIntoScanRule$Config, which isn't initialized yet BAD_PRACTICE IC_SUPERCLASS_USES_SUBCLASS_DURING_INITIALIZATION 104 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule.matches(RelOptRuleCall) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 53 Medium

org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule$Config

Bug Category Details Line Priority
Initialization of org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.PushProjectIntoScanRule$Config accesses class org.apache.shardingsphere.sqlfederation.compiler.planner.rule.transformation.ImmutablePushProjectIntoScanRule$Config, which isn't initialized yet BAD_PRACTICE IC_SUPERCLASS_USES_SUBCLASS_DURING_INITIALIZATION 99 Medium

org.apache.shardingsphere.sqlfederation.compiler.rel.builder.LogicalScanPushDownRelBuilder

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.rel.builder.LogicalScanPushDownRelBuilder.create(TableScan) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 43 Medium

org.apache.shardingsphere.sqlfederation.compiler.rel.operator.logical.LogicalScan

Bug Category Details Line Priority
org.apache.shardingsphere.sqlfederation.compiler.rel.operator.logical.LogicalScan.getPushDownRelBuilder() may expose internal representation by returning LogicalScan.pushDownRelBuilder MALICIOUS_CODE EI_EXPOSE_REP 39 Medium
Possible null pointer dereference in new org.apache.shardingsphere.sqlfederation.compiler.rel.operator.logical.LogicalScan(TableScan, String) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 45 Medium

org.apache.shardingsphere.sqlfederation.compiler.rel.operator.physical.EnumerableScan

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.rel.operator.physical.EnumerableScan.implement(EnumerableRelImplementor, EnumerableRel$Prefer) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 86 Medium
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.rel.operator.physical.EnumerableScan.implement(EnumerableRelImplementor, EnumerableRel$Prefer) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 87 Medium

org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.BinaryOperationExpressionConverter

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.BinaryOperationExpressionConverter.convertSqlNodes(BinaryOperationExpression, SqlOperator) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 188 Medium

org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.DataTypeExpressionConverter

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.sql.ast.converter.segment.expression.impl.DataTypeExpressionConverter.convert(DataTypeSegment) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 44 Medium

org.apache.shardingsphere.sqlfederation.compiler.sql.dialect.impl.CustomMySQLSQLDialect

Bug Category Details Line Priority
Possible null pointer dereference in org.apache.shardingsphere.sqlfederation.compiler.sql.dialect.impl.CustomMySQLSQLDialect.toFormattedString(SqlAbstractDateTimeLiteral) due to return value of called method STYLE NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE 90 Medium