zinking commented on a change in pull request #2448:
URL: https://github.com/apache/calcite/pull/2448#discussion_r665868748
##########
File path: core/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
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@@ -1255,11 +1255,11 @@ private void substituteSubQuery(Blackboard bb, SubQuery
subQuery) {
//
// If there is no correlation, the expression is replaced with a
// boolean indicating whether the sub-query returned 0 or >= 1 row.
- call = (SqlBasicCall) subQuery.node;
- query = call.operand(0);
if (!config.isExpand()) {
return;
}
+ call = (SqlBasicCall) subQuery.node;
Review comment:
+1
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