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[Feature](materialized-view) support create mv with count(*) (#30313)

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support create mv with count(*)
This commit is contained in:
Pxl
2024-01-24 17:45:47 +08:00
committed by yiguolei
parent 101b2593fc
commit 7e60369ba2
5 changed files with 271 additions and 2 deletions
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11
fe/fe-core/src/main/java/org/apache/doris/analysis/CreateMaterializedViewStmt.java
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@ -478,11 +478,18 @@ public class CreateMaterializedViewStmt extends DdlStmt {
}
}
private Expr getAggfunctionSlot(FunctionCallExpr functionCallExpr) throws AnalysisException {
if (functionCallExpr.getFnParams() != null && functionCallExpr.getFnParams().isStar()) {
// convert count(*) to count(1)
return LiteralExpr.create("1", Type.BIGINT);
}
return functionCallExpr.getChildren().get(0);
}
private MVColumnItem buildMVColumnItem(Analyzer analyzer, FunctionCallExpr functionCallExpr)
throws AnalysisException {
String functionName = functionCallExpr.getFnName().getFunction();
List<Expr> childs = functionCallExpr.getChildren();
Expr defineExpr = childs.get(0);
Expr defineExpr = getAggfunctionSlot(functionCallExpr);
Type baseType = defineExpr.getType();
AggregateType mvAggregateType = null;
Type type;