mihaibudiu commented on code in PR #4247:
URL: https://github.com/apache/calcite/pull/4247#discussion_r2013142340
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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:
Whether clickhouse supports stddev is what I am asking.
Calcite supports a set of aggregates, and clickhouse supports another set.
If the Calcite set is included in the Clickhouse set, this change is fine.
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