Cpaulyz commented on code in PR #14223:
URL: https://github.com/apache/iotdb/pull/14223#discussion_r1868812804
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/metadata/TableMetadataImpl.java:
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@@ -627,7 +630,26 @@ && isIntegerNumber(argumentTypes.get(2)))) {
// ignore
}
- // TODO scalar UDF function
+ // User-defined scalar function
+ ScalarFunction scalarFunction =
TableUDFUtils.tryGetScalarFunction(functionName);
Review Comment:
I add a new interface `TableUDFUtils#isScalarFunction(String functionName)`
to check syntax.
`TableUDFUtils#getScalarFunction` will only be invoked if there is
corresponding UDFInfomation on DataNode's UDFTable. So we will not print warn
log unless normally.
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