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https://issues.apache.org/jira/browse/PHOENIX-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Taylor updated PHOENIX-2094:
----------------------------------
Assignee: Thomas D'Silva
> Query hint ignored for functional index
> ---------------------------------------
>
> Key: PHOENIX-2094
> URL: https://issues.apache.org/jira/browse/PHOENIX-2094
> Project: Phoenix
> Issue Type: Bug
> Reporter: Bryan Gerber
> Assignee: Thomas D'Silva
>
> Hints are not being used for functional index.
>
> EXPLAIN SELECT /*+ INDEX(LOG LOG_LOWER_REQUEST_IDX) */ * FROM LOG WHERE
> LOWER(RQ) LIKE '/jquery%';
> +------------------------------------------+
> | CLIENT 40-CHUNK PARALLEL 40-WAY FULL SCAN OVER LOG |
> | SERVER FILTER BY LOWER(RQ) LIKE '/jquery%' |
> +------------------------------------------+
>
> Test table has 2.9 million records; production table is many orders of
> magnitude larger.
> Here’s a simplified schema for the test table:
> CREATE TABLE IF NOT EXISTS LOG
> (
> TS VARCHAR NOT NULL,
> f VARCHAR NOT NULL,
> r INTEGER NOT NULL,
> sa VARCHAR,
> da VARCHAR,
> rq VARCHAR
> CONSTRAINT pkey PRIMARY KEY (TS, f, r)
> )
> TTL='5616000',KEEP_DELETED_CELLS='false',IMMUTABLE_ROWS=true,COMPRESSION='SNAPPY',SALT_BUCKETS=40,MAX_FILESIZE='10000000000',SPLIT_POLICY='org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy';
>
> CREATE INDEX IF NOT EXISTS LOG_LOWER_REQUEST_IDX ON LOG(LOWER(rq))
> TTL='5616000',KEEP_DELETED_CELLS='false',COMPRESSION='SNAPPY',MAX_FILESIZE='10000000000',SPLIT_POLICY='org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy';
> CREATE INDEX IF NOT EXISTS LOG_REQUEST_IDX ON LOG(rq)
> TTL='5616000',KEEP_DELETED_CELLS='false',COMPRESSION='SNAPPY',MAX_FILESIZE='10000000000',SPLIT_POLICY='org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy';
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