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IMPALA-1080: Implement "SET <query_option>" as SQL statement.

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Also add support for "SET", which returns a table of query options and
their respective values.

The front-end parses the option into a (key, value) pair and then the
existing backend logic is used to set the option, or return the result
sets.

Change-Id: I40dbd98537e2a73bdd5b27d8b2575a2fe6f8295b
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3582
Reviewed-by: Daniel Hecht <dhecht@cloudera.com>
Tested-by: jenkins
(cherry picked from commit aa0f6a2fc1d3fe21f22cc7bc56887e1fdb02250b)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3614
This commit is contained in:
Dan Hecht
2014-07-18 13:14:34 -07:00
committed by jenkins
parent b83aa4984b
commit 1fee56cb26
14 changed files with 331 additions and 7 deletions
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100
testdata/workloads/functional-query/queries/QueryTest/set.test vendored Normal file
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@@ -0,0 +1,100 @@
====
---- QUERY
set
---- RESULTS: VERIFY_IS_SUBSET
'ABORT_ON_DEFAULT_LIMIT_EXCEEDED','0'
'ABORT_ON_ERROR','0'
'ALLOW_UNSUPPORTED_FORMATS','0'
'BATCH_SIZE','0'
'DEBUG_ACTION',''
'DEFAULT_ORDER_BY_LIMIT','-1'
'DISABLE_CACHED_READS','0'
'DISABLE_CODEGEN','0'
'DISABLE_OUTERMOST_TOPN','0'
'EXPLAIN_LEVEL','1'
'HBASE_CACHE_BLOCKS','0'
'HBASE_CACHING','0'
'MAX_ERRORS','0'
'MAX_IO_BUFFERS','0'
'MAX_SCAN_RANGE_LENGTH','0'
'MEM_LIMIT','0'
'NUM_NODES','0'
'NUM_SCANNER_THREADS','0'
'PARQUET_COMPRESSION_CODEC','SNAPPY'
'PARQUET_FILE_SIZE','0'
'REQUEST_POOL',''
'RESERVATION_REQUEST_TIMEOUT','0'
'RM_INITIAL_MEM','0'
'SYNC_DDL','0'
'V_CPU_CORES','0'
---- TYPES
STRING, STRING
====
---- QUERY
set explain_level=3
====
---- QUERY
set
---- RESULTS: VERIFY_IS_SUBSET
'ABORT_ON_DEFAULT_LIMIT_EXCEEDED','0'
'ABORT_ON_ERROR','0'
'ALLOW_UNSUPPORTED_FORMATS','0'
'BATCH_SIZE','0'
'DEBUG_ACTION',''
'DEFAULT_ORDER_BY_LIMIT','-1'
'DISABLE_CACHED_READS','0'
'DISABLE_CODEGEN','0'
'DISABLE_OUTERMOST_TOPN','0'
'EXPLAIN_LEVEL','3'
'HBASE_CACHE_BLOCKS','0'
'HBASE_CACHING','0'
'MAX_ERRORS','0'
'MAX_IO_BUFFERS','0'
'MAX_SCAN_RANGE_LENGTH','0'
'MEM_LIMIT','0'
'NUM_NODES','0'
'NUM_SCANNER_THREADS','0'
'PARQUET_COMPRESSION_CODEC','SNAPPY'
'PARQUET_FILE_SIZE','0'
'REQUEST_POOL',''
'RESERVATION_REQUEST_TIMEOUT','0'
'RM_INITIAL_MEM','0'
'SYNC_DDL','0'
'V_CPU_CORES','0'
---- TYPES
STRING, STRING
====
---- QUERY
set explain_level='0'
====
---- QUERY
set
---- RESULTS: VERIFY_IS_SUBSET
'ABORT_ON_DEFAULT_LIMIT_EXCEEDED','0'
'ABORT_ON_ERROR','0'
'ALLOW_UNSUPPORTED_FORMATS','0'
'BATCH_SIZE','0'
'DEBUG_ACTION',''
'DEFAULT_ORDER_BY_LIMIT','-1'
'DISABLE_CACHED_READS','0'
'DISABLE_CODEGEN','0'
'DISABLE_OUTERMOST_TOPN','0'
'EXPLAIN_LEVEL','0'
'HBASE_CACHE_BLOCKS','0'
'HBASE_CACHING','0'
'MAX_ERRORS','0'
'MAX_IO_BUFFERS','0'
'MAX_SCAN_RANGE_LENGTH','0'
'MEM_LIMIT','0'
'NUM_NODES','0'
'NUM_SCANNER_THREADS','0'
'PARQUET_COMPRESSION_CODEC','SNAPPY'
'PARQUET_FILE_SIZE','0'
'REQUEST_POOL',''
'RESERVATION_REQUEST_TIMEOUT','0'
'RM_INITIAL_MEM','0'
'SYNC_DDL','0'
'V_CPU_CORES','0'
---- TYPES
STRING, STRING
====