asolimando commented on a change in pull request #2613:
URL: https://github.com/apache/calcite/pull/2613#discussion_r765001237
##########
File path: core/src/test/java/org/apache/calcite/test/RelMetadataTest.java
##########
@@ -2399,6 +2399,21 @@ private void checkPredicates(RelOptCluster cluster,
RelOptTable empTable,
assertThat(RelMdUtil.linear(12, 0, 10, 100, 200), is(200d));
}
+ // ----------------------------------------------------------------------
+ // Tests for getExpressionLineage
+ // ----------------------------------------------------------------------
+
+ private void assertExpressionLineage(
+ String sql, int columnIndex, String expected, String comment) {
+ RelNode rel = convertSql(sql);
+ RelMetadataQuery mq = rel.getCluster().getMetadataQuery();
+ RexNode ref = RexInputRef.of(columnIndex, rel.getRowType().getFieldList());
+ Set<RexNode> r = mq.getExpressionLineage(rel, ref);
+
+ assertEquals(expected, String.valueOf(r), "Lineage for expr '" + ref + "'
in node '"
+ + rel + "'" + " for query '" + sql + "':n" + comment);
Review comment:
Actually it was not my doing, it was `./gradlew autostyleApply` doing
that:
```
assertEquals(expected, String.valueOf(r), "Lineage for expr '" + ref +
"' in node '"
- + rel + "'" + " for query '" + sql + "':\n" + comment);
+ + rel + "'" + " for query '" + sql + "':n"
+ + comment);
}
```
Looks like a bug to me.
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