ihuzenko commented on a change in pull request #1610: [CALCITE-3525]
RexSimplify: eliminate redundant rex calls in OR
URL: https://github.com/apache/calcite/pull/1610#discussion_r352495104
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File path: core/src/main/java/org/apache/calcite/rex/RexSimplify.java
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@@ -2210,7 +2210,8 @@ private Comparison(RexNode ref, SqlKind kind, RexLiteral
literal) {
/** Creates a comparison, between a {@link RexInputRef} or {@link
RexFieldAccess}
* and a literal. */
static Comparison of(RexNode e) {
- return of(e, node -> RexUtil.isReferenceOrAccess(node, true));
+ return of(e, node -> RexUtil.isReferenceOrAccess(node, true)
+ || RexUtil.isDeterministic(node));
Review comment:
Is constant didn't satisfy my test, so I've updated javadoc.
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