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For SetOperationStmt we will replace the query statement with the rewritten version, but we haven’t set the explain flag if the original is explain statement. Tests: -- Using impala-shell to test the explain statement of set operation. -- Add new test case in the explain_level tests Change-Id: I19264dfa794ffd5ed7355acfef0ac35f17c809d3 Reviewed-on: http://gerrit.cloudera.org:8080/18179 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
49 lines
1.6 KiB
Plaintext
49 lines
1.6 KiB
Plaintext
====
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---- QUERY
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# Explain a simple hash join query.
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explain
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select *
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from tpch.lineitem join tpch.orders on l_orderkey = o_orderkey;
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---- RESULTS: VERIFY_IS_EQUAL
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row_regex:.*Max Per-Host Resource Reservation: Memory=[0-9.]*MB Threads=[0-9]*.*
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row_regex:.*Per-Host Resource Estimates: Memory=[0-9.]*MB.*
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''
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'PLAN-ROOT SINK'
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'|'
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'04:EXCHANGE [UNPARTITIONED]'
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'|'
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'02:HASH JOIN [INNER JOIN, BROADCAST]'
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'| hash predicates: l_orderkey = o_orderkey'
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'| runtime filters: RF000 <- o_orderkey'
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row_regex:.*row-size=.* cardinality=.*
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'|'
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'|--03:EXCHANGE [BROADCAST]'
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'| |'
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'| 01:SCAN HDFS [tpch.orders]'
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row_regex:.*partitions=1/1 files=1 size=.*
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row_regex:.*row-size=.* cardinality=.*
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'|'
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'00:SCAN HDFS [tpch.lineitem]'
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row_regex:.*partitions=1/1 files=1 size=.*
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' runtime filters: RF000 -> l_orderkey'
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row_regex:.*row-size=.* cardinality=.*
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====
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---- QUERY
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# Tests the warning about missing table stats in the explain header.
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explain select count(t1.int_col), avg(t2.float_col), sum(t3.bigint_col)
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from functional_avro.alltypes t1
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inner join functional_parquet.alltypessmall t2 on (t1.id = t2.id)
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left outer join functional_avro.alltypes t3 on (t2.id = t3.id)
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where t1.month = 1 and t2.year = 2009 and t3.bool_col = false
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---- RESULTS: VERIFY_IS_SUBSET
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'WARNING: The following tables are missing relevant table and/or column statistics.'
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'functional_avro.alltypes, functional_parquet.alltypessmall'
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====
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---- QUERY
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# Tests the set operation statement rewrite
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explain select year, month from functional.alltypes
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intersect
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select year, month from functional.alltypes where year=2009;
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---- RESULTS: VERIFY_IS_SUBSET
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'04:HASH JOIN [LEFT SEMI JOIN, PARTITIONED]'
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==== |