Airblader commented on a change in pull request #16776:
URL: https://github.com/apache/flink/pull/16776#discussion_r687589414
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File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/codegen/calls/FunctionGenerator.scala
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@@ -854,7 +854,7 @@ class FunctionGenerator private(config: TableConfig) {
operandTypes: Seq[LogicalType],
resultType: LogicalType)
: Option[CallGenerator] = sqlOperator match {
- // built-in scalar function
+ case JSON_VALUE => Some(new JsonValueCallGen())
Review comment:
This seems to be the easiest answer to the problem of not multiplying
out a lot of argument type combinations when you don't care about the specific
argument types.
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