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[refactor](scan) optimize the agg function of count(1) (#18739)

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This commit is contained in:
zhangstar333
2023-04-19 09:10:51 +08:00
committed by GitHub
parent 19a4c7fae6
commit 0b379de602
7 changed files with 29 additions and 4 deletions
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10
fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
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@ -458,8 +458,11 @@ public class SingleNodePlanner {
break;
}
} else {
aggExprValidate = false;
break;
// want to support the agg of count(const value) in dup table
aggExprValidate = (aggOp == TPushAggOp.COUNT && child.isConstant() && !child.isNullable());
if (!aggExprValidate) {
break;
}
}
} else {
returnColumns.add(((SlotRef) aggExpr.getChild(0)).getDesc().getColumn());
@ -490,8 +493,7 @@ public class SingleNodePlanner {
break;
}
if (colType.isCharFamily() && aggOp != TPushAggOp.COUNT
&& col.getType().getLength() > 512) {
if (colType.isCharFamily() && col.getType().getLength() > 512) {
returnColumnValidate = false;
break;
}