snuyanzin commented on code in PR #28113:
URL: https://github.com/apache/flink/pull/28113#discussion_r3195135990
##########
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/codegen/ExprCodeGenerator.scala:
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@@ -462,21 +513,27 @@ class ExprCodeGenerator(ctx: CodeGeneratorContext,
nullableInput: Boolean)
val resultType = FlinkTypeFactory.toLogicalType(call.getType)
// throw exception if json function is called outside JSON_OBJECT or
JSON_ARRAY function
- if (isJsonFunctionOperand(call)) {
+ if (isJsonFunctionOperand(call, if (rexProgram == null) null else
rexProgram.getExprList)) {
throw new ValidationException(
"The JSON() function is currently only supported inside JSON_ARRAY()
or as the VALUE param" +
" of JSON_OBJECT(). Example: JSON_OBJECT('a', JSON('{\"key\":
\"value\"}')) or " +
"JSON_ARRAY(JSON('{\"key\": \"value\"}')).")
}
if (call.getKind == SqlKind.SEARCH) {
- return generateSearch(
- ctx,
- generateExpression(call.getOperands.get(0)),
- call.getOperands.get(1).asInstanceOf[RexLiteral])
+ val sargLiteral =
+ if (rexProgram != null &&
call.getOperands.get(1).isInstanceOf[RexLocalRef]) {
+ rexProgram.getExprList
+ .get(call.getOperands.get(1).asInstanceOf[RexLocalRef].getIndex)
+ .asInstanceOf[RexLiteral]
+ } else {
+ call.getOperands.get(1).asInstanceOf[RexLiteral]
+ }
Review Comment:
moved
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