jihoonson commented on a change in pull request #6356: Fix indexes introduced
in #6348.
URL: https://github.com/apache/incubator-druid/pull/6356#discussion_r219642555
##########
File path:
server/src/main/java/org/apache/druid/metadata/SQLMetadataConnector.java
##########
@@ -217,9 +217,13 @@ public void createPendingSegmentsTable(final String
tableName)
tableName, getPayloadType(), getQuoteString()
),
StringUtils.format(
- "CREATE INDEX idx_%1$s_datasource_used_end ON %1$s(dataSource,
used, %2$send%2$s)",
+ "CREATE INDEX idx_%1$s_datasource_end ON %1$s(dataSource,
%2$send%2$s)",
Review comment:
I wonder it's better to make an index for `dataSource, sequence_name, end`
because this combination is used when searching an existing segmentId in
`IndexerSQLMetadataStorageCoordinator.allocatePendingSegment()`.
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