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[functionpushdown](performance) move function pushdown as default false since its performance is not good (#21111)

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set enable function pushdown default to false.
enable it in fuzzy mode to test this feature.
We should remove function pushdown in the future since we already have common expr pushdown.
Co-authored-by: yiguolei <yiguolei@gmail.com>
This commit is contained in:
yiguolei
2023-06-25 10:36:20 +08:00
committed by GitHub
parent 20b92b0812
commit 207bc53b06
1 changed files with 4 additions and 2 deletions
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6
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
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@ -759,8 +759,8 @@ public class SessionVariable implements Serializable, Writable {
needForward = true, expType = ExperimentalType.EXPERIMENTAL)
public boolean enableSingleReplicaInsert = false;
@VariableMgr.VarAttr(name = ENABLE_FUNCTION_PUSHDOWN)
public boolean enableFunctionPushdown = true;
@VariableMgr.VarAttr(name = ENABLE_FUNCTION_PUSHDOWN, fuzzy = true)
public boolean enableFunctionPushdown = false;
@VariableMgr.VarAttr(name = FORBID_UNKNOWN_COLUMN_STATS)
public boolean forbidUnknownColStats = false;
@ -995,8 +995,10 @@ public class SessionVariable implements Serializable, Writable {
int randomInt = random.nextInt(4);
if (randomInt % 2 == 0) {
this.rewriteOrToInPredicateThreshold = 100000;
this.enableFunctionPushdown = false;
} else {
this.rewriteOrToInPredicateThreshold = 2;
this.enableFunctionPushdown = true;
}
this.runtimeFilterType = 1 << randomInt;
switch (randomInt) {