dawidwys commented on code in PR #25526:
URL: https://github.com/apache/flink/pull/25526#discussion_r1802865897
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/functions/SqlCallSyntax.java:
##########
@@ -316,4 +316,23 @@ private String doUnParse(
CallSyntaxUtils.asSerializableOperand(operands.get(2)));
}
};
+
+ SqlCallSyntax OVER =
+ ((sqlName, operands) -> {
+ String projection = operands.get(0).asSerializableString();
+ String order = operands.get(1).asSerializableString();
+ String rangeBounds =
+ CallSyntaxUtils.overRangeToSerializableString(
+ operands.get(2), operands.get(3));
+ if (operands.size() == 4) {
+ return String.format("%s OVER(ORDER BY %s %s)",
projection, order, rangeBounds);
+ } else {
+ return String.format(
+ "%s OVER(PARTITION BY %s ORDER BY %s %s)",
+ projection,
+
CallSyntaxUtils.asSerializableOperand(operands.get(4)),
+ order,
+ rangeBounds);
+ }
Review Comment:
I created https://issues.apache.org/jira/browse/FLINK-33410
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