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[opt](Nereids) add switch to control whether use pipeline in DML #35728

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Merged
morrySnow merged 1 commit into from
May 31, 2024
Merged

[opt](Nereids) add switch to control whether use pipeline in DML #35728

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3 changes: 3 additions & 0 deletions fe/fe-core/src/main/java/org/apache/doris/nereids/processor/pre/TurnOffPipelineForDml.java
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,9 @@ public Plan visitLogicalFileSink(LogicalFileSink<? extends Plan> fileSink, State

private void turnOffPipeline(StatementContext context) {
SessionVariable sessionVariable = context.getConnectContext().getSessionVariable();
if (sessionVariable.enableNereidsDmlWithPipeline) {
return;
}
// set temporary session value, and then revert value in the 'finally block' of StmtExecutor#execute
sessionVariable.setIsSingleSetVar(true);
try {
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5 changes: 5 additions & 0 deletions fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
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Expand Up @@ -189,6 +189,7 @@ public class SessionVariable implements Serializable, Writable {
public static final String MAX_JOIN_NUMBER_OF_REORDER = "max_join_number_of_reorder";

public static final String ENABLE_NEREIDS_DML = "enable_nereids_dml";
public static final String ENABLE_NEREIDS_DML_WITH_PIPELINE = "enable_nereids_dml_with_pipeline";
public static final String ENABLE_STRICT_CONSISTENCY_DML = "enable_strict_consistency_dml";

public static final String ENABLE_BUSHY_TREE = "enable_bushy_tree";
Expand Down Expand Up @@ -751,6 +752,10 @@ public class SessionVariable implements Serializable, Writable {
@VariableMgr.VarAttr(name = ENABLE_NEREIDS_DML, needForward = true)
public boolean enableNereidsDML = false;

@VariableMgr.VarAttr(name = ENABLE_NEREIDS_DML_WITH_PIPELINE, needForward = true,
description = {"在新优化器中，使用pipeline引擎执行DML", "execute DML with pipeline engine in Nereids"})
public boolean enableNereidsDmlWithPipeline = false;

@VariableMgr.VarAttr(name = ENABLE_STRICT_CONSISTENCY_DML, needForward = true)
public boolean enableStrictConsistencyDml = false;

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