Currently a "select *" query in test_inline_view_limit fails during
exhaustive testing because Impala returns columns from HBase tables
in a different order (IMPALA-886) than the one expected. This fix
ensures the column order is consistent by specifying the output
columns in the right order in the select query.
Testing:
Tested locally, with and without exhaustive exploration strategy.
Change-Id: I11667872b8788a8b0040bf9252bf07b987b5d330
Reviewed-on: http://gerrit.cloudera.org:8080/8409
Reviewed-by: Lars Volker <lv@cloudera.com>
Tested-by: Impala Public Jenkins
Testing:
Added test case to verify that CopyRows in select node is successfully
codegened.
Improved test coverage for select node with limit.
Performance:
Queries used (num_nodes set to 1):
500 Predicates: select * from (select * from tpch_parquet.lineitem
limit 6001215) t1 where l_partkey > 10 and l_extendedprice > 10000 and
l_linenumber > 1 and l_comment >'foo0' .... and l_comment >'foo500'
order by l_orderkey limit 10;
1 Predicate: select * from (select * from tpch_parquet.lineitem
limit 6001215) t1 where l_partkey > 10 order by l_orderkey limit 10;
+--------------+-----------------------------------------------------+
| | 500 Predicates | 1 Predicate |
| +------------+-------------+------------+-------------+
| | After | Before | After | Before |
+--------------+------------+-------------+------------+-------------+
| Select Node | 12s385ms | 1m1s | 234ms | 797ms |
| Codegen time | 2s619ms | 1s962ms | 200ms | 181ms |
+--------------+------------+-------------+------------+-------------+
Change-Id: Ie0d496d004418468e16b6f564f90f45ebbf87c1e
Reviewed-on: http://gerrit.cloudera.org:8080/8196
Reviewed-by: Bikramjeet Vig <bikramjeet.vig@cloudera.com>
Tested-by: Impala Public Jenkins
Test files in testdata/workloads/functional-query/queries/QueryTest
are parsed by test_file_parser.py, which used to ignore everything
before the first ==== line as a file header. This change fixes all
affected files.
This change also modifies the test file parser to forbid headers
starting with what looks like a subsection title ('----'), which
should prevent the reintroduction of similar errors in the future.
Change-Id: Iaa1bc5ffd02782e24289c7843dcb35401c334519
Reviewed-on: http://gerrit.cloudera.org:8080/2220
Reviewed-by: Lars Volker <lv@cloudera.com>
Tested-by: Internal Jenkins
The bug was that we were not updating child_row_idx_
when the output batch was at capacity, leading us to
double count that last child_row_idx_, and incorrectly
returning extra rows.
Change-Id: I85b2f1c146861ec7756887b0d2c574365d90233e
Reviewed-on: http://gerrit.cloudera.org:8080/2044
Reviewed-by: Alex Behm <alex.behm@cloudera.com>
Tested-by: Internal Jenkins
This commit implements nested queries with [NOT] IN, [NOT] EXISTS and
aggregate subquery predicates in Impala. The following cases are
supported:
1. Correlated and uncorrelated [NOT] IN.
2. Correlated [NOT] EXISTS.
3. Correlated and uncorrelated aggregate subqueries.
Change-Id: Ia3f4843c5f07d4e31ef3faedc58a15e623f91a5d
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/3754
Reviewed-by: Dimitris Tsirogiannis <dtsirogiannis@cloudera.com>
Tested-by: jenkins
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4109
