Marcin Januszkiewicz created PHOENIX-4288:
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Summary: Indexes not used when ordering by primary key.
Key: PHOENIX-4288
URL: https://issues.apache.org/jira/browse/PHOENIX-4288
Project: Phoenix
Issue Type: Bug
Reporter: Marcin Januszkiewicz
We have a table
CREATE TABLE t (
rowkey VARCHAR PRIMARY KEY,
c1 VARCHAR,
c2 VARCHAR
)
which we want to query by doing partial matches on c1, and keep the ordering of
the source table:
SELECT rowkey, c1, c2 FROM t where c1 LIKE 'X0%' ORDER BY rowkey;
We expect most queries to select a small subset of the table, so we create an
index to speed up searches:
CREATE LOCAL INDEX t_c1_ix ON t (c1);
However, this index will not be used since Phoenix will always choose not to
resort the data.
In our actual use case, adding index hints is not a practical solution.
See also discussion at:
https://lists.apache.org/thread.html/26ab58288eb811d2f074c3f89067163d341e5531fb581f3b2486cf43@%3Cuser.phoenix.apache.org%3E
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