mihaibudiu commented on code in PR #4748:
URL: https://github.com/apache/calcite/pull/4748#discussion_r2699493277
##########
core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java:
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@@ -6426,6 +6426,25 @@ private void checkLiteral2(String expression, String
expected) {
sql(query).withConfig(c -> c.withExpand(false)).ok(expected);
}
+ /** Test case of
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-7378";>[CALCITE-7378]
+ * Potential incorrect column attribution in RelToSqlConverter due to
implicit
+ * table alias handling</a>. */
+ @Test void testSubQueryWithSelfJoin() {
+ String query = "select \"product_name\" from \"product\" t1 "
+ + "where \"product_id\" not in (select \"product_id\" "
+ + "from \"product\" t2 "
+ + "where t2.\"product_id\" = t1.\"product_id\" "
+ + "and t1.\"product_id\" = 2 and t2.\"product_id\" = 1)";
+ String expected = "SELECT \"product_name\"\n"
Review Comment:
> Table 'sales_fact_1997' not found; did you mean 'SALES_FACT_1997'?
This means that you are using a conformance which is case-sensitive. Look
backwards for the last !use statement.
Does it work if you capitalize the table name?
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