libenchao commented on a change in pull request #11186: [FLINK-16200][sql]
Support JSON_EXISTS for blink planner
URL: https://github.com/apache/flink/pull/11186#discussion_r397881676
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/codegen/calls/FunctionGenerator.scala
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@@ -801,6 +801,20 @@ object FunctionGenerator {
new MethodCallGen(
BuiltInMethod.IS_JSON_SCALAR.method)))
+ addSqlFunctionMethod(
+ JSON_EXISTS,
+ Seq(CHAR, CHAR),
Review comment:
What about `Seq(VARCHAR, CHAR)`/`Seq(CHAR, VARCHAR)`?
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