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Fix dedup returning null value after rename command #4622

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ritvibhatt wants to merge 2 commits into from
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Fix dedup returning null value after rename command #4622

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488db47
update project pushdown
ritvibhatt Oct 22, 2025
c44811e
update comment
ritvibhatt Oct 22, 2025
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11 changes: 11 additions & 0 deletions .../src/main/java/org/opensearch/sql/opensearch/storage/scan/CalciteEnumerableIndexScan.java
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,17 @@ public Enumerator<Object> enumerator() {
}

private List<String> getFieldPath() {
// If project pushdown occurred, use the actual projected field names from the context
for (PushDownOperation operation : pushDownContext) {
if (operation.type() == PushDownType.PROJECT) {
List<String> projectedFields = (List<String>) operation.digest();
return projectedFields.stream()
.map(f -> osIndex.getAliasMapping().getOrDefault(f, f))
.toList();
}
}

// If there was no project pushdown use logical field names with alias mapping
return getRowType().getFieldNames().stream()
.map(f -> osIndex.getAliasMapping().getOrDefault(f, f))
.toList();
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