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6b73eec02d
The previous code did not handle well the case where the spilling happens when building the hash table (i.e. partitioning the build rows fit). This caused the probe partition to be starved causing queries that should be able to run to fail with a not enough buffers error. Change-Id: I3a9a84e8800a72ed3ce6f5ab7ff03bc2d6eb7ad8 Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4403 Reviewed-by: Nong Li <nong@cloudera.com> Tested-by: Nong Li <nong@cloudera.com>
87 lines
1.4 KiB
Plaintext
87 lines
1.4 KiB
Plaintext
====
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---- QUERY
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set max_block_mgr_memory=45m;
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select l_orderkey, count(*)
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from lineitem
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group by 1
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order by 1 limit 10;
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---- RESULTS
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1,6
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2,1
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3,6
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4,1
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5,3
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6,1
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7,7
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32,6
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33,4
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34,3
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---- TYPES
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BIGINT, BIGINT
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====
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---- QUERY
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# Test query with string intermediate state.
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set max_block_mgr_memory=50m;
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select l_orderkey, avg(l_orderkey)
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from lineitem
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group by 1
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order by 1 limit 5;
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---- RESULTS
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1,1
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2,2
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3,3
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4,4
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5,5
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---- TYPES
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BIGINT, DOUBLE
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====
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---- QUERY
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# Test query with string grouping column
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set max_block_mgr_memory=120m;
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select l_comment, count(*)
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from lineitem
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group by 1
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order by count(*) desc limit 5;
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---- RESULTS
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' furiously',943
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' carefully',893
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' carefully ',875
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'carefully ',854
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' furiously ',845
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---- TYPES
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STRING, BIGINT
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====
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---- QUERY
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# Test query with string grouping column and string agg columns
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set max_block_mgr_memory=70m;
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select l_returnflag, l_orderkey, round(avg(l_tax),2), min(l_shipmode)
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from lineitem
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group by 1,2
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order by 1,2 limit 3;
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---- RESULTS
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'A',3,0.05,'RAIL'
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'A',5,0.03,'AIR'
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'A',6,0.03,'TRUCK'
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---- TYPES
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STRING, BIGINT, DOUBLE, STRING
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====
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---- QUERY
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set max_block_mgr_memory=100m;
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select count(l1.l_tax)
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from
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lineitem l1,
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lineitem l2,
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lineitem l3
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where
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l1.l_tax < 0.01 and
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l2.l_tax < 0.04 and
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l1.l_orderkey = l2.l_orderkey and
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l1.l_orderkey = l3.l_orderkey and
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l1.l_comment = l3.l_comment and
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l1.l_shipdate = l3.l_shipdate;
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---- RESULTS
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1846743
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---- TYPES
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BIGINT
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====
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