PaimonInsertExecutor.java

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// to you under the Apache License, Version 2.0 (the
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package org.apache.doris.nereids.trees.plans.commands.insert;

import org.apache.doris.common.UserException;
import org.apache.doris.datasource.paimon.PaimonExternalTable;
import org.apache.doris.datasource.paimon.PaimonTransaction;
import org.apache.doris.nereids.NereidsPlanner;
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;

/**
 * Insert executor for paimon table.
 *
 * This implementation follows the same pattern as {@link IcebergInsertExecutor},
 * but delegates the actual commit/rollback semantics to {@link PaimonTransaction}.
 */
public class PaimonInsertExecutor extends BaseExternalTableInsertExecutor {
    private static final Logger LOG = LogManager.getLogger(PaimonInsertExecutor.class);

    /**
     * constructor
     */
    public PaimonInsertExecutor(ConnectContext ctx, PaimonExternalTable table,
            String labelName, NereidsPlanner planner,
            Optional<InsertCommandContext> insertCtx,
            boolean emptyInsert, long jobId) {
        super(ctx, table, labelName, planner, insertCtx, emptyInsert, jobId);
    }

    @Override
    public void beginTransaction() {
        super.beginTransaction();
        if (insertCtx.isPresent() && insertCtx.get() instanceof BaseExternalTableInsertCommandContext) {
            BaseExternalTableInsertCommandContext ctx = (BaseExternalTableInsertCommandContext) insertCtx.get();
            ctx.setTxnId(txnId);
            ctx.setCommitUser("doris_txn_" + txnId);
        }
    }

    @Override
    protected void beforeExec() throws UserException {
        PaimonTransaction transaction = (PaimonTransaction) transactionManager.getTransaction(txnId);
        transaction.setTransactionId(txnId);
        transaction.beginInsert((PaimonExternalTable) table, insertCtx);
    }

    @Override
    protected void doBeforeCommit() throws UserException {
        PaimonTransaction transaction = (PaimonTransaction) transactionManager.getTransaction(txnId);
        long updateCnt = transaction.getUpdateCnt();
        if (updateCnt > 0) {
            this.loadedRows = updateCnt;
        }
        transaction.finishInsert((PaimonExternalTable) table, insertCtx);
    }

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