xiedeyantu commented on code in PR #4247:
URL: https://github.com/apache/calcite/pull/4247#discussion_r2014078971
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core/src/main/java/org/apache/calcite/sql/dialect/ClickHouseSqlDialect.java:
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@@ -181,6 +188,21 @@ private static SqlDataTypeSpec
createSqlDataTypeSpecByName(String typeAlias,
return;
}
+ if (call.getOperator() instanceof SqlFilterOperator) {
+ SqlCall aggCall = call.operand(0);
+ if (call.getOperandList().size() > 1 && call.operand(1) != null) {
+ SqlCall filterCondition = call.operand(1);
+ String functionName = aggCall.getOperator().getName();
+ writer.print(functionName.toLowerCase(Locale.ROOT) + "If");
Review Comment:
Thanks, do I just need to add some extra comments? I want to confirm whether
this conversion is needed. In fact, this conversion cannot solve the function
mapping between the two dialects. This is actually similar to the syntax sugar
of ClickHouse dialect.
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