jcamachor commented on a change in pull request #1492:
URL: https://github.com/apache/hive/pull/1492#discussion_r487546716
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HivePointLookupOptimizerRule.java
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@@ -734,6 +721,30 @@ private RexNode useStructIfNeeded(List<? extends RexNode>
columns) {
}
operands.remove(i);
--i;
+ } else if (operand.getKind() == SqlKind.EQUALS) {
+ Constraint c = Constraint.of(operand);
+ if (c == null || !HiveCalciteUtil.isDeterministic(c.exprNode)) {
+ continue;
+ }
+ String ref = c.exprNode.toString();
+ stringToExpr.put(ref, c.exprNode);
+ if (inLHSExprToRHSExprs.containsKey(ref)) {
+ String expr = c.constNode.toString();
+ stringToExpr.put(expr, c.constNode);
Review comment:
Makes sense, I will simplify this code.
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