Update ANALYZE test cases to check out the use of histograms for equality
constraints. FossilOrigin-Name: c7b59afaf0c0bf85dbaf0a122cc8d65fca93680f
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@ -1,8 +1,8 @@
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-----BEGIN PGP SIGNED MESSAGE-----
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Hash: SHA1
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C Use\shistogram\sdata\sto\simprove\sthe\srow-count\sestimates\son\sequality\sconstraints.
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D 2011-01-20T16:52:09.439
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C Update\sANALYZE\stest\scases\sto\scheck\sout\sthe\suse\sof\shistograms\sfor\sequality\nconstraints.
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D 2011-01-20T20:36:13.223
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F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
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F Makefile.in de6498556d536ae60bb8bb10e8c1ba011448658c
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F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
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@ -256,7 +256,7 @@ F test/analyze.test c1eb87067fc16ece7c07e823d6395fd831b270c5
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F test/analyze2.test f45ac8d54bdad822139e53fc6307fc6b5ee41c69
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F test/analyze3.test 820ddfb7591b49607fbaf77240c7955ac3cabb04
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F test/analyze4.test 757b37875cf9bb528d46f74497bc789c88365045
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F test/analyze5.test b6bd2e4fbbe2ffcf2a22250b28fb1f2a2ca507de
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F test/analyze5.test b2139886ee199a226df8f319e37aa7bd78b8f402
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F test/async.test ad4ba51b77cd118911a3fe1356b0809da9c108c3
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F test/async2.test bf5e2ca2c96763b4cba3d016249ad7259a5603b6
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F test/async3.test 93edaa9122f498e56ea98c36c72abc407f4fb11e
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@ -900,14 +900,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
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F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
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F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
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F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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P 2cd374cd23fa2fd38f49090d6eeb9b1e521d51d5
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R b298fdc0ea4be4264436dd1639cb2644
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P 6bfc5c69eb22938972bbf4e60179952dc215f770
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R 2f06d09a87a4d54539d7aa2af234aaef
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U drh
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Z 10e84b987d0709faa336295530a6ebae
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@ -1 +1 @@
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6bfc5c69eb22938972bbf4e60179952dc215f770
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c7b59afaf0c0bf85dbaf0a122cc8d65fca93680f
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@ -117,6 +117,40 @@ foreach {testid where rows} {
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1z (z>? AND z<?) (~%d rows)}} \
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$rows]
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}
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foreach {testid where rows} {
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101 {z=-1} 50
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102 {z=0} 400
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103 {z=1} 300
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104 {z=2} 200
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105 {z=3} 100
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106 {z=4} 50
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107 {z=-10.0} 50
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108 {z=0.0} 400
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109 {z=1.0} 300
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110 {z=2.0} 200
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111 {z=3.0} 100
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112 {z=4.0} 50
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113 {z=1.5} 50
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114 {z=2.5} 50
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} {
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do_test analyze5-1.$testid {
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eqp "SELECT * FROM t1 WHERE $where"
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1z (z=?) (~%d rows)}} $rows]
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}
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# For the t1.y column, most entries are known to be zero. So do a
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# full table scan for y=0 but use the index for any other constraint on
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# y.
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#
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do_test analyze5-201 {
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eqp {SELECT * FROM t1 WHERE y=0}
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} {0 0 0 {SCAN TABLE t1 (~100 rows)}}
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do_test analyze5-202 {
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eqp {SELECT * FROM t1 WHERE y=1}
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} {0 0 0 {SEARCH TABLE t1 USING INDEX t1y (y=?) (~50 rows)}}
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do_test analyze5-203 {
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eqp {SELECT * FROM t1 WHERE y=0.1}
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} {0 0 0 {SEARCH TABLE t1 USING INDEX t1y (y=?) (~50 rows)}}
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# Change the table values from integer to floating point and then
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# repeat the same sequence of tests. We should get the same results.
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@ -180,6 +214,27 @@ foreach {testid where rows} {
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1z (z>? AND z<?) (~%d rows)}} \
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$rows]
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}
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foreach {testid where rows} {
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101 {z=-1} 50
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102 {z=0} 400
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103 {z=1} 300
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104 {z=2} 200
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105 {z=3} 100
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106 {z=4} 50
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107 {z=-10.0} 50
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108 {z=0.0} 400
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109 {z=1.0} 300
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110 {z=2.0} 200
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111 {z=3.0} 100
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112 {z=4.0} 50
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113 {z=1.5} 50
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114 {z=2.5} 50
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} {
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do_test analyze5-2.$testid {
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eqp "SELECT * FROM t1 WHERE $where"
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1z (z=?) (~%d rows)}} $rows]
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}
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# Repeat the same range query tests using TEXT columns.
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#
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@ -228,6 +283,20 @@ foreach {testid where rows} {
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1y (y>? AND y<?) (~%d rows)}} \
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$rows]
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}
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foreach {testid where rows} {
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101 {y=0} 50
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102 {y='alpha'} 400
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103 {y='bravo'} 300
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104 {y='charlie'} 200
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105 {y='delta'} 100
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106 {y='echo'} 50
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107 {y=''} 50
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108 {y=x'0102'} 50
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} {
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do_test analyze5-3.$testid {
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eqp "SELECT * FROM t1 WHERE $where"
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} [format {0 0 0 {SEARCH TABLE t1 USING INDEX t1y (y=?) (~%d rows)}} $rows]
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}
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finish_test
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