mirror of
https://github.com/apache/impala.git
synced 2026-01-09 15:00:11 -05:00
f0f083e45e
IMPALA-10482: SELECT * query on unrelative collection column of transactional ORC table will hit IllegalStateException. The AcidRewriter will rewrite queries like "select item from my_complex_orc.int_array" to "select item from my_complex_orc t, t.int_array" This cause troubles in star expansion. Because the original query "select * from my_complex_orc.int_array" is analyzed as "select item from my_complex_orc.int_array" But the rewritten query "select * from my_complex_orc t, t.int_array" is analyzed as "select id, item from my_complex_orc t, t.int_array". Hidden table refs can also cause issues during regular column resolution. E.g. when the table has top-level 'pos'/'item'/'key'/'value' columns. The workaround is to keep track of the automatically added table refs during query rewrite. So when we analyze the rewritten query we can ignore these auxiliary table refs. IMPALA-10493: Using JOIN ON syntax to join two full ACID collections produces wrong results. When AcidRewriter.splitCollectionRef() creates a new collection ref it doesn't copy every information needed to correctly execute the query. E.g. it dropped the ON clause, turning INNER joins to CROSS joins. Testing: * added e2e tests Change-Id: I8fc758d3c1e75c7066936d590aec8bff8d2b00b0 Reviewed-on: http://gerrit.cloudera.org:8080/17038 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>