FrankChen021 commented on a change in pull request #11894:
URL: https://github.com/apache/druid/pull/11894#discussion_r762435841
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File path:
server/src/main/java/org/apache/druid/metadata/SQLMetadataConnector.java
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@@ -283,6 +283,11 @@ public void createSegmentTable(final String tableName)
"CREATE INDEX idx_%1$s_datasource_used_end ON %1$s(dataSource,
used, %2$send%2$s)",
tableName,
getQuoteString()
+ ),
+ StringUtils.format(
+ "CREATE INDEX idx_%1$s_datasource_used_start_end ON
%1$s(dataSource, used, start, %2$send%2$s)",
+ tableName,
+ getQuoteString()
Review comment:
Sorry for the late reply. How about put the ‘start’ field after ‘end’
field so that it’s the prefix of (datasource, used, end) query? I think you
could try to explain queries to see how the index is used.
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