rdblue commented on a change in pull request #650: Refactor in and notIn
expressions
URL: https://github.com/apache/incubator-iceberg/pull/650#discussion_r347164934
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File path: parquet/src/main/java/org/apache/iceberg/parquet/ParquetFilters.java
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@@ -113,17 +115,24 @@ protected Expression bind(UnboundPredicate<?> pred) {
public <T> FilterPredicate predicate(BoundPredicate<T> pred) {
Operation op = pred.op();
BoundReference<T> ref = pred.ref();
- Literal<T> lit = pred.literal();
String path = schema.idToAlias(ref.fieldId());
+ Literal<T> lit;
+ if (pred.isUnaryPredicate()) {
+ lit = null;
+ } else if (pred.isLiteralPredicate()) {
+ lit = pred.asLiteralPredicate().literal();
+ } else {
+ throw new UnsupportedOperationException("Cannot convert to Parquet
filter: " + pred);
+ }
switch (ref.type().typeId()) {
case BOOLEAN:
- Operators.BooleanColumn col =
FilterApi.booleanColumn(schema.idToAlias(ref.fieldId()));
+ Operators.BooleanColumn col = FilterApi.booleanColumn(path);
switch (op) {
case EQ:
return FilterApi.eq(col, getParquetPrimitive(lit));
case NOT_EQ:
- return FilterApi.eq(col, getParquetPrimitive(lit));
+ return FilterApi.notEq(col, getParquetPrimitive(lit));
Review comment:
I noticed this bug while updating the conversion.
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