MCInsertExecutor.java

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package org.apache.doris.nereids.trees.plans.commands.insert;

import org.apache.doris.common.UserException;
import org.apache.doris.datasource.maxcompute.MCTransaction;
import org.apache.doris.datasource.maxcompute.MaxComputeExternalTable;
import org.apache.doris.nereids.NereidsPlanner;
import org.apache.doris.nereids.trees.plans.physical.PhysicalSink;
import org.apache.doris.planner.DataSink;
import org.apache.doris.planner.MaxComputeTableSink;
import org.apache.doris.planner.PlanFragment;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.transaction.TransactionType;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Optional;

/**
 * MCInsertExecutor for MaxCompute external table insert.
 */
public class MCInsertExecutor extends BaseExternalTableInsertExecutor {

    private static final Logger LOG = LogManager.getLogger(MCInsertExecutor.class);

    // Saved during finalizeSink() so we can inject writeSessionId before execution
    private MaxComputeTableSink mcTableSink;

    public MCInsertExecutor(ConnectContext ctx, MaxComputeExternalTable table,
                            String labelName, NereidsPlanner planner,
                            Optional<InsertCommandContext> insertCtx,
                            boolean emptyInsert, long jobId) {
        super(ctx, table, labelName, planner, insertCtx, emptyInsert, jobId);
    }

    @Override
    protected void finalizeSink(PlanFragment fragment, DataSink sink, PhysicalSink physicalSink) {
        // Let parent call bindDataSink() to build the Thrift sink
        super.finalizeSink(fragment, sink, physicalSink);
        // Save reference so beforeExec() can inject writeSessionId later
        mcTableSink = (MaxComputeTableSink) sink;
    }

    @Override
    protected void beforeExec() throws UserException {
        // 1. Create Storage API write session as part of the transaction
        MCTransaction transaction = (MCTransaction) transactionManager.getTransaction(txnId);
        transaction.beginInsert((MaxComputeExternalTable) table, insertCtx);

        // 2. Inject writeSessionId into the Thrift sink before fragments are sent to BE
        if (mcTableSink != null) {
            mcTableSink.setWriteSessionId(transaction.getWriteSessionId());
        }
    }

    @Override
    protected void doBeforeCommit() throws UserException {
        MCTransaction transaction = (MCTransaction) transactionManager.getTransaction(txnId);
        transaction.finishInsert();
    }

    @Override
    protected TransactionType transactionType() {
        return TransactionType.MAXCOMPUTE;
    }
}