CallCommand.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.analysis.RedirectStatus;
import org.apache.doris.analysis.StmtType;
import org.apache.doris.nereids.analyzer.UnboundFunction;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.commands.call.CallFunc;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

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

import java.util.Objects;

/**
 * call func()
 */
public class CallCommand extends Command implements ForwardWithSync {
    public static final Logger LOG = LogManager.getLogger(CallCommand.class);

    private final UnboundFunction unboundFunction;
    private final String originSql;

    /**
     * constructor
     */
    public CallCommand(UnboundFunction unboundFunction, String originSql) {
        super(PlanType.CALL_COMMAND);
        this.unboundFunction = Objects.requireNonNull(unboundFunction, "function is null");
        this.originSql = originSql;
    }

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        CallFunc analyzedFunc = CallFunc.getFunc(ctx, ctx.getCurrentUserIdentity(), unboundFunction, originSql);
        analyzedFunc.run();
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitCallCommand(this, context);
    }

    @Override
    public StmtType stmtType() {
        return StmtType.CALL;
    }

    @Override
    public RedirectStatus toRedirectStatus() {
        // Some of call statements may need to be redirected, some may not
        String funcName = unboundFunction.getName().toUpperCase();
        switch (funcName) {
            case "FLUSH_AUDIT_LOG":
                return RedirectStatus.NO_FORWARD;
            default:
                return RedirectStatus.FORWARD_WITH_SYNC;
        }
    }
}