zzwqqq commented on code in PR #4748:
URL: https://github.com/apache/calcite/pull/4748#discussion_r2694729036
##########
core/src/main/java/org/apache/calcite/rel/rel2sql/SqlImplementor.java:
##########
@@ -2242,12 +2243,37 @@ public SqlSelect asSelect() {
if (node instanceof SqlSelect) {
return (SqlSelect) node;
}
- if (!dialect.hasImplicitTableAlias()) {
+ if (!dialect.hasImplicitTableAlias() || hasConflictTableAlias(node,
neededAlias)) {
return wrapSelect(asFrom());
}
return wrapSelect(node);
}
+ private boolean hasConflictTableAlias(SqlNode node, @Nullable String
neededAlias) {
Review Comment:
Done. Thanks.
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