asolimando commented on code in PR #3264:
URL: https://github.com/apache/calcite/pull/3264#discussion_r1229992734
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testkit/src/main/java/org/apache/calcite/test/RelMetadataFixture.java:
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@@ -264,6 +265,24 @@ public RelMetadataFixture
assertPercentageOriginalRows(Matcher<Double> matcher)
return this;
}
+ public RelMetadataFixture assertForeignKeys(
+ Matcher<ImmutableBitSet> constraintMatcher) {
+ RelNode rel = toRel();
+ RelMetadataQuery mq = rel.getCluster().getMetadataQuery();
+ ImmutableBitSet foreignKeys = mq.getForeignKeys(rel, false);
Review Comment:
It seems that we are not covering cases with `ignoreNulls` to `true`, can we
add such tests?
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