mihaibudiu commented on code in PR #4553:
URL: https://github.com/apache/calcite/pull/4553#discussion_r2437933523
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -2204,6 +2207,25 @@ protected void inferUnknownTypes(
}
}
+ private boolean inferRowSqlNodeList(final RelDataType inferredType,
+ final SqlValidatorScope scope, final SqlNodeList nodeList) {
+ if (!inferredType.isStruct()) {
+ return false;
+ }
+ boolean inferred = false;
+ for (SqlNode child : nodeList) {
+ if (child instanceof SqlBasicCall && SqlKind.ROW == child.getKind()) {
Review Comment:
There are expressions that evaluate to a ROW type that are not ROW
expressions.
For example, a[1], where a is an array of ROW values.
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