praveenc7 commented on code in PR #15350:
URL: https://github.com/apache/pinot/pull/15350#discussion_r2067885886
##########
pinot-core/src/main/java/org/apache/pinot/core/operator/query/SelectionOrderByOperator.java:
##########
@@ -279,7 +279,13 @@ private SelectionResultsBlock computePartiallyOrdered() {
int numColumns = columns.size();
Map<String, DataSource> dataSourceMap = new HashMap<>();
for (String column : columns) {
- dataSourceMap.put(column, _indexSegment.getDataSource(column));
+ DataSource dataSource = _indexSegment.getDataSource(column);
+ if (dataSource != null) {
+ dataSourceMap.put(column, dataSource);
+ } else {
+ nonOrderByExpressions.remove(ExpressionContext.forIdentifier(column));
Review Comment:
Added tests , can you describe the 3rd case
##########
pinot-core/src/main/java/org/apache/pinot/core/query/request/context/QueryContext.java:
##########
@@ -495,6 +497,14 @@ public boolean isIndexUseAllowed(String columnName,
FieldConfig.IndexType indexT
return !_skipIndexes.getOrDefault(columnName,
Collections.EMPTY_SET).contains(indexType);
}
+ public void setHasSchemaMisMatch(boolean hasSchemaMismatch) {
Review Comment:
You are right, forgot to cleanup
##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseSingleStageBrokerRequestHandler.java:
##########
@@ -1730,6 +1730,7 @@ static void updateColumnNames(String rawTableName,
PinotQuery pinotQuery, boolea
}
}
//if query has a '*' selection along with other columns
+ pinotQuery.getQueryOptions().put(QueryOptionKey.IS_SELECT_STAR_QUERY,
String.valueOf(hasStar));
Review Comment:
On Second taughts given this path is not accessed in cases when this method
is skipped. Moving it during complication phase to ensure it is always added
from broker
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/ControllerRequestClient.java:
##########
@@ -241,11 +241,12 @@ public String checkIfReloadIsNeeded(String
tableNameWithType, Boolean verbose)
}
}
- public void reloadSegment(String tableName, String segmentName, boolean
forceReload)
+ public String reloadSegment(String tableName, String segmentName, boolean
forceReload)
Review Comment:
Needed for one of the cases in the integ-test that I added. Further this is
mostly used for testing and wanted to keep in parity with the other reload
function we have in the class that returns the jobId :
https://github.com/apache/pinot/pull/15350/files#diff-c00715308b1edd2f6825e58be150660be9d004d21c127f7b6e1eb7fb83f1ab76L222
##########
pinot-common/src/main/java/org/apache/pinot/common/utils/DataSchema.java:
##########
@@ -235,6 +237,18 @@ public RelDataType toRelDataType(RelDataTypeFactory
typeFactory) {
return typeFactory.createStructType(columnTypes,
Arrays.asList(_columnNames));
}
+ @JsonIgnore
+ public Map<String, Integer> getColumnNameToIndexMap() {
Review Comment:
Agree that we can do a simple merge sort for sorted list. But I wanted to
avoid that assumption since didn't get a strong indication that blocks would be
in a sorted order.
Further if we change the ordering in the future, we might have to ensure
this block is updated
##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseSingleStageBrokerRequestHandler.java:
##########
@@ -1730,6 +1730,7 @@ static void updateColumnNames(String rawTableName,
PinotQuery pinotQuery, boolea
}
}
//if query has a '*' selection along with other columns
+ pinotQuery.getQueryOptions().put(QueryOptionKey.IS_SELECT_STAR_QUERY,
String.valueOf(hasStar));
Review Comment:
Moved the addition during query compilation
##########
pinot-core/src/main/java/org/apache/pinot/core/query/selection/SelectionOperatorUtils.java:
##########
@@ -182,10 +187,12 @@ public static Pair<DataSchema, int[]>
getResultTableDataSchemaAndColumnIndices(Q
// No order-by expression
// NOTE: Order-by expressions are ignored for queries with LIMIT 0.
+ boolean isSelectStar = queryContext.getQueryOptions() != null
+ && QueryOptionsUtils.isSelectStarQuery(queryContext.getQueryOptions());
List<OrderByExpressionContext> orderByExpressions =
queryContext.getOrderByExpressions();
if (orderByExpressions == null || queryContext.getLimit() == 0) {
// For 'SELECT *', use the server response data schema as the final
results data schema.
- if ((numSelectExpressions == 1 &&
selectExpressions.get(0).equals(IDENTIFIER_STAR))) {
+ if ((numSelectExpressions == 1 &&
selectExpressions.get(0).equals(IDENTIFIER_STAR) || isSelectStar)) {
Review Comment:
Right, let me remove this, it is only touched by
`BaseSingleStageBrokerRequestHandler` and we are ensuring the selectStar
options would be present if the query has * for this class
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