zinking commented on a change in pull request #2301:
URL: https://github.com/apache/calcite/pull/2301#discussion_r549050035
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File path:
core/src/main/java/org/apache/calcite/sql2rel/StandardConvertletTable.java
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@@ -860,6 +861,29 @@ public RexNode convertCall(
: operandTypeChecker.getConsistency();
final List<RexNode> exprs = convertOperands(cx, call, consistency);
RelDataType type = rexBuilder.deriveReturnType(op, exprs);
+
+ //generate relation for `=(Row1,Row2)`
+ if (op.kind == SqlKind.EQUALS) {
+ RexNode expr0 = RexUtil.removeCast(exprs.get(0));
+ RexNode expr1 = RexUtil.removeCast(exprs.get(1));
Review comment:
ROW operation naturally includes a Cast outside. so the example test
already has it.
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