amansinha100 commented on a change in pull request #1401: DRILL-6616: Batch
Processing for Lateral/Unnest
URL: https://github.com/apache/drill/pull/1401#discussion_r205916300
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
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@@ -81,4 +86,17 @@ public boolean needsFinalColumnReordering() {
return true;
}
+ @Override
+ public Prel addImplicitRowIDCol(List<RelNode> children) {
+ RexBuilder builder = this.getCluster().getRexBuilder();
+ return (Prel) this.copy(this.traitSet, children.get(0),
DrillRelOptUtil.transformExpr(builder, condition, buildMap()));
+ }
+
+ private Map<Integer, Integer> buildMap() {
+ Map<Integer, Integer> map = new HashMap<>();
+ for (int i=0;i<this.getInput().getRowType().getFieldCount();i++) {
Review comment:
Pls use a local variable to assign the value of
getInput().getRowType().getFieldCount().
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