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18 package org.apache.shardingsphere.proxy.frontend.opengauss.command.query.extended.bind;
19
20 import lombok.RequiredArgsConstructor;
21 import org.apache.shardingsphere.db.protocol.opengauss.packet.command.query.extended.bind.OpenGaussComBatchBindPacket;
22 import org.apache.shardingsphere.db.protocol.packet.DatabasePacket;
23 import org.apache.shardingsphere.db.protocol.postgresql.packet.command.query.extended.bind.PostgreSQLBindCompletePacket;
24 import org.apache.shardingsphere.db.protocol.postgresql.packet.generic.PostgreSQLCommandCompletePacket;
25 import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
26 import org.apache.shardingsphere.proxy.frontend.command.executor.CommandExecutor;
27 import org.apache.shardingsphere.proxy.frontend.postgresql.command.query.PostgreSQLCommand;
28 import org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.PostgreSQLBatchedStatementsExecutor;
29 import org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.PostgreSQLServerPreparedStatement;
30 import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement;
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32 import java.sql.SQLException;
33 import java.util.Arrays;
34 import java.util.Collection;
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39 @RequiredArgsConstructor
40 public final class OpenGaussComBatchBindExecutor implements CommandExecutor {
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42 private final OpenGaussComBatchBindPacket packet;
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44 private final ConnectionSession connectionSession;
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46 @Override
47 public Collection<DatabasePacket> execute() throws SQLException {
48 connectionSession.getDatabaseConnectionManager().handleAutoCommit();
49 PostgreSQLServerPreparedStatement preparedStatement = connectionSession.getServerPreparedStatementRegistry().getPreparedStatement(packet.getStatementId());
50 int updateCount = new PostgreSQLBatchedStatementsExecutor(connectionSession, preparedStatement, packet.readParameterSets(preparedStatement.getParameterTypes())).executeBatch();
51 return Arrays.asList(PostgreSQLBindCompletePacket.getInstance(), createCommandComplete(preparedStatement.getSqlStatementContext().getSqlStatement(), updateCount));
52 }
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54 private PostgreSQLCommandCompletePacket createCommandComplete(final SQLStatement sqlStatement, final int updateCount) {
55 String sqlCommand = PostgreSQLCommand.valueOf(sqlStatement.getClass()).map(PostgreSQLCommand::getTag).orElse("");
56 return new PostgreSQLCommandCompletePacket(sqlCommand, updateCount);
57 }
58 }