Changeset: ce4392cd2070 for MonetDB URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=ce4392cd2070 Added Files: sql/benchmarks/tpch/Tests/lowcardinality.sql sql/benchmarks/tpch/Tests/lowcardinality.stable.err sql/benchmarks/tpch/Tests/lowcardinality.stable.out Modified Files: sql/benchmarks/tpch/Tests/All Branch: leftmart Log Message:
Test cases for low-cardinality result sets diffs (193 lines): diff --git a/sql/benchmarks/tpch/Tests/All b/sql/benchmarks/tpch/Tests/All --- a/sql/benchmarks/tpch/Tests/All +++ b/sql/benchmarks/tpch/Tests/All @@ -75,3 +75,4 @@ 20 21 22 01-22 +lowcardinality diff --git a/sql/benchmarks/tpch/Tests/lowcardinality.sql b/sql/benchmarks/tpch/Tests/lowcardinality.sql new file mode 100644 --- /dev/null +++ b/sql/benchmarks/tpch/Tests/lowcardinality.sql @@ -0,0 +1,28 @@ +-- lowselectivity queries that should be considered +SELECT o_totalprice, count(*) FROM sys.orders GROUP BY o_totalprice HAVING count(*) >1 limit 10; +SELECT max(o_totalprice) FROM sys.orders; +SELECT min(o_totalprice) FROM sys.orders; + +-- Consider an ordered index on o_totalprice + +-- low cardinality results +SELECT count(*) FROM sys.orders WHERE o_totalprice BETWEEN 38451.0 AND 38452.0; +SELECT count(*) FROM sys.orders WHERE o_totalprice = 38451.38; +SELECT count(*) FROM sys.orders WHERE o_totalprice >= 555285.16; +SELECT count(*) FROM sys.orders WHERE o_totalprice < 858.0; + +-- skeleton query posed to highlight poor join orders +-- Consider an ordered index on p_retailprice +SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +AND p_retailprice BETWEEN 1214.0 AND 1215.0; + +-- Consider an ordered index on s_acctbal +SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +AND s_acctbal BETWEEN 1432.0 AND 1433.0; + +-- Consider an ordered index on ps_supplcost +SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +AND ps_supplycost BETWEEN 915.0 AND 916; diff --git a/sql/benchmarks/tpch/Tests/lowcardinality.stable.err b/sql/benchmarks/tpch/Tests/lowcardinality.stable.err new file mode 100644 --- /dev/null +++ b/sql/benchmarks/tpch/Tests/lowcardinality.stable.err @@ -0,0 +1,37 @@ +stderr of test 'lowcardinality` in directory 'sql/benchmarks/tpch` itself: + + +# 15:58:29 > +# 15:58:29 > "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" "mapi_open=true" "--set" "mapi_port=36722" "--set" "mapi_usock=/var/tmp/mtest-32482/.s.monetdb.36722" "--set" "monet_prompt=" "--forcemito" "--set" "mal_listing=2" "--dbpath=/export/scratch1/mk/leftmart//Linux/var/MonetDB/mTests_sql_benchmarks_tpch" "--set" "mal_listing=0" "--set" "embedded_r=yes" +# 15:58:29 > + +# builtin opt gdk_dbpath = /export/scratch1/mk/leftmart//Linux/var/monetdb5/dbfarm/demo +# builtin opt gdk_debug = 0 +# builtin opt gdk_vmtrim = no +# builtin opt monet_prompt = > +# builtin opt monet_daemon = no +# builtin opt mapi_port = 50000 +# builtin opt mapi_open = false +# builtin opt mapi_autosense = false +# builtin opt sql_optimizer = default_pipe +# builtin opt sql_debug = 0 +# cmdline opt gdk_nr_threads = 0 +# cmdline opt mapi_open = true +# cmdline opt mapi_port = 36722 +# cmdline opt mapi_usock = /var/tmp/mtest-32482/.s.monetdb.36722 +# cmdline opt monet_prompt = +# cmdline opt mal_listing = 2 +# cmdline opt gdk_dbpath = /export/scratch1/mk/leftmart//Linux/var/MonetDB/mTests_sql_benchmarks_tpch +# cmdline opt mal_listing = 0 +# cmdline opt embedded_r = yes +# cmdline opt gdk_debug = 536870922 + +# 15:58:29 > +# 15:58:29 > "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" "--host=/var/tmp/mtest-32482" "--port=36722" +# 15:58:29 > + + +# 15:58:29 > +# 15:58:29 > "Done." +# 15:58:29 > + diff --git a/sql/benchmarks/tpch/Tests/lowcardinality.stable.out b/sql/benchmarks/tpch/Tests/lowcardinality.stable.out new file mode 100644 --- /dev/null +++ b/sql/benchmarks/tpch/Tests/lowcardinality.stable.out @@ -0,0 +1,105 @@ +stdout of test 'lowcardinality` in directory 'sql/benchmarks/tpch` itself: + + +# 15:58:29 > +# 15:58:29 > "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" "mapi_open=true" "--set" "mapi_port=36722" "--set" "mapi_usock=/var/tmp/mtest-32482/.s.monetdb.36722" "--set" "monet_prompt=" "--forcemito" "--set" "mal_listing=2" "--dbpath=/export/scratch1/mk/leftmart//Linux/var/MonetDB/mTests_sql_benchmarks_tpch" "--set" "mal_listing=0" "--set" "embedded_r=yes" +# 15:58:29 > + +# MonetDB 5 server v11.22.0 +# This is an unreleased version +# Serving database 'mTests_sql_benchmarks_tpch', using 8 threads +# Compiled for x86_64-unknown-linux-gnu/64bit with 64bit OIDs and 128bit integers dynamically linked +# Found 15.590 GiB available main-memory. +# Copyright (c) 1993-July 2008 CWI. +# Copyright (c) August 2008-2015 MonetDB B.V., all rights reserved +# Visit http://www.monetdb.org/ for further information +# Listening for connection requests on mapi:monetdb://vienna.ins.cwi.nl:36722/ +# Listening for UNIX domain connection requests on mapi:monetdb:///var/tmp/mtest-32482/.s.monetdb.36722 +# MonetDB/GIS module loaded +# Start processing logs sql/sql_logs version 52200 +# Start reading the write-ahead log 'sql_logs/sql/log.8' +# Finished reading the write-ahead log 'sql_logs/sql/log.8' +# Finished processing logs sql/sql_logs +# MonetDB/SQL module loaded +# MonetDB/R module loaded + +Ready. + +# 15:58:29 > +# 15:58:29 > "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" "--host=/var/tmp/mtest-32482" "--port=36722" +# 15:58:29 > + +#SELECT o_totalprice, count(*) FROM sys.orders GROUP BY o_totalprice HAVING count(*) >1 limit 10; +% sys.orders, sys.L1 # table_name +% o_totalprice, L1 # name +% decimal, wrd # type +% 17, 1 # length +[ 126476.16, 2 ] +[ 16236.69, 2 ] +[ 14623.67, 2 ] +[ 169049.46, 2 ] +#SELECT max(o_totalprice) FROM sys.orders; +% sys.L1 # table_name +% L1 # name +% decimal # type +% 17 # length +[ 466001.28 ] +#SELECT min(o_totalprice) FROM sys.orders; +% sys.L1 # table_name +% L1 # name +% decimal # type +% 17 # length +[ 874.89 ] +#SELECT count(*) FROM sys.orders WHERE o_totalprice BETWEEN 38451.0 AND 38452.0; +% sys.L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 0 ] +#SELECT count(*) FROM sys.orders WHERE o_totalprice = 38451.38; +% sys.L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 0 ] +#SELECT count(*) FROM sys.orders WHERE o_totalprice >= 555285.16; +% sys.L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 0 ] +#SELECT count(*) FROM sys.orders WHERE o_totalprice < 858.0; +% sys.L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 0 ] +#SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +#WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +#AND p_retailprice BETWEEN 1214.0 AND 1215.0; +% .L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 8 ] +#SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +#WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +#AND s_acctbal BETWEEN 1432.0 AND 1433.0; +% .L1 # table_name +% L1 # name +% wrd # type +% 2 # length +[ 80 ] +#SELECT count(*) FROM sys.partsupp as I, sys.supplier as S, sys.part as P +#WHERE I.ps_partkey = P.p_partkey AND I.ps_suppkey = S.s_suppkey +#AND ps_supplycost BETWEEN 915.0 AND 916; +% sys.L1 # table_name +% L1 # name +% wrd # type +% 1 # length +[ 7 ] + +# 15:58:29 > +# 15:58:29 > "Done." +# 15:58:29 > + _______________________________________________ checkin-list mailing list [email protected] https://www.monetdb.org/mailman/listinfo/checkin-list
