>From Wail Alkowaileet <[email protected]>:
Wail Alkowaileet has uploaded this change for review. (
https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/17446 )
Change subject: [ASTERIXDB-3152][RT] Return empty meta if not requested
......................................................................
[ASTERIXDB-3152][RT] Return empty meta if not requested
- user model changes: no
- storage format changes: no
- interface changes: no
Details:
Return empty meta instead of ignoring it entirely
Change-Id: I21557bd361a54a624c31536daf962b970b6cbfe3
---
M
asterixdb/asterix-column/src/main/java/org/apache/asterix/column/operation/query/QueryColumnTupleProjectorFactory.java
1 file changed, 19 insertions(+), 8 deletions(-)
git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb
refs/changes/46/17446/1
diff --git
a/asterixdb/asterix-column/src/main/java/org/apache/asterix/column/operation/query/QueryColumnTupleProjectorFactory.java
b/asterixdb/asterix-column/src/main/java/org/apache/asterix/column/operation/query/QueryColumnTupleProjectorFactory.java
index 7daa877..0acad67 100644
---
a/asterixdb/asterix-column/src/main/java/org/apache/asterix/column/operation/query/QueryColumnTupleProjectorFactory.java
+++
b/asterixdb/asterix-column/src/main/java/org/apache/asterix/column/operation/query/QueryColumnTupleProjectorFactory.java
@@ -22,7 +22,6 @@
import
org.apache.asterix.column.values.reader.filter.IColumnFilterEvaluatorFactory;
import org.apache.asterix.om.types.ARecordType;
-import org.apache.asterix.runtime.projection.DataProjectionFiltrationInfo;
import org.apache.asterix.runtime.projection.FunctionCallInformation;
import org.apache.hyracks.api.context.IHyracksTaskContext;
import org.apache.hyracks.api.exceptions.HyracksDataException;
@@ -58,16 +57,12 @@
@Override
public ITupleProjector createTupleProjector(IHyracksTaskContext context)
throws HyracksDataException {
IWarningCollector warningCollector = context.getWarningCollector();
- if (requestedMetaType == null
- ||
DataProjectionFiltrationInfo.EMPTY_TYPE.getTypeName().equals(requestedMetaType.getTypeName()))
{
- /*
- * Either the dataset does not contain meta record or none of the
meta columns were requested. Thus,
- * ignore reading the meta columns (if exist)
- */
+ if (requestedMetaType == null) {
+ // The dataset does not contain a meta part
return new QueryColumnTupleProjector(datasetType,
numberOfPrimaryKeys, requestedType, functionCallInfo,
filterEvaluator, warningCollector);
}
- //The query requested some or all of the meta columns
+ // The dataset has a meta part
return new QueryColumnWithMetaTupleProjector(datasetType, metaType,
numberOfPrimaryKeys, requestedType,
functionCallInfo, requestedMetaType, metaFunctionCallInfo,
filterEvaluator, warningCollector);
}
--
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Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Change-Id: I21557bd361a54a624c31536daf962b970b6cbfe3
Gerrit-Change-Number: 17446
Gerrit-PatchSet: 1
Gerrit-Owner: Wail Alkowaileet <[email protected]>
Gerrit-MessageType: newchange
