| Index: third_party/sqlite/src/test/analyze5.test
|
| diff --git a/third_party/sqlite/src/test/analyze5.test b/third_party/sqlite/src/test/analyze5.test
|
| index a0469da12546cb35308b47bea72a43bfcb35f6e9..ac175c07b5953b74a3541a398b34ad2005994fda 100644
|
| --- a/third_party/sqlite/src/test/analyze5.test
|
| +++ b/third_party/sqlite/src/test/analyze5.test
|
| @@ -10,14 +10,14 @@
|
| #***********************************************************************
|
| #
|
| # This file implements tests for SQLite library. The focus of the tests
|
| -# in this file is the use of the sqlite_stat2 histogram data on tables
|
| +# in this file is the use of the sqlite_stat4 histogram data on tables
|
| # with many repeated values and only a few distinct values.
|
| #
|
|
|
| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
|
|
|
| -ifcapable !stat2 {
|
| +ifcapable !stat4&&!stat3 {
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| finish_test
|
| return
|
| }
|
| @@ -28,6 +28,17 @@ proc eqp {sql {db db}} {
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| uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db
|
| }
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|
|
| +proc alpha {blob} {
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| + set ret ""
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| + foreach c [split $blob {}] {
|
| + if {[string is alpha $c]} {append ret $c}
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| + }
|
| + return $ret
|
| +}
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| +db func alpha alpha
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| +
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| +db func lindex lindex
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| +
|
| unset -nocomplain i t u v w x y z
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| do_test analyze5-1.0 {
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| db eval {CREATE TABLE t1(t,u,v TEXT COLLATE nocase,w,x,y,z)}
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| @@ -55,126 +66,138 @@ do_test analyze5-1.0 {
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| CREATE INDEX t1y ON t1(y); -- integers 0 and very few 1s
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| CREATE INDEX t1z ON t1(z); -- integers 0, 1, 2, and 3
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| ANALYZE;
|
| - SELECT sample FROM sqlite_stat2 WHERE idx='t1u' ORDER BY sampleno;
|
| }
|
| -} {alpha alpha alpha alpha bravo bravo bravo charlie charlie delta}
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| -do_test analyze5-1.1 {
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| - string tolower \
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| - [db eval {SELECT sample from sqlite_stat2 WHERE idx='t1v' ORDER BY sampleno}]
|
| -} {alpha alpha alpha alpha bravo bravo bravo charlie charlie delta}
|
| -do_test analyze5-1.2 {
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| - db eval {SELECT sample from sqlite_stat2 WHERE idx='t1w' ORDER BY sampleno}
|
| -} {{} 0 0 0 0 1 1 1 2 2}
|
| -do_test analyze5-1.3 {
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| - db eval {SELECT sample from sqlite_stat2 WHERE idx='t1x' ORDER BY sampleno}
|
| -} {{} {} {} {} 1 1 1 2 2 3}
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| -do_test analyze5-1.4 {
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| - db eval {SELECT sample from sqlite_stat2 WHERE idx='t1y' ORDER BY sampleno}
|
| -} {0 0 0 0 0 0 0 0 0 0}
|
| -do_test analyze5-1.5 {
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| - db eval {SELECT sample from sqlite_stat2 WHERE idx='t1z' ORDER BY sampleno}
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| -} {0 0 0 0 1 1 1 2 2 3}
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| -do_test analyze5-1.6 {
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| - db eval {SELECT sample from sqlite_stat2 WHERE idx='t1t' ORDER BY sampleno}
|
| -} {0.5 0.5 0.5 0.5 1.5 1.5 1.5 2.5 2.5 3.5}
|
| + ifcapable stat4 {
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| + db eval {
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| + SELECT DISTINCT lindex(test_decode(sample),0)
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| + FROM sqlite_stat4 WHERE idx='t1u' ORDER BY nlt;
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| + }
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| + } else {
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| + db eval {
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| + SELECT sample FROM sqlite_stat3 WHERE idx='t1u' ORDER BY nlt;
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| + }
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| + }
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| +} {alpha bravo charlie delta}
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|
|
| +do_test analyze5-1.1 {
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| + ifcapable stat4 {
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| + db eval {
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| + SELECT DISTINCT lower(lindex(test_decode(sample), 0))
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| + FROM sqlite_stat4 WHERE idx='t1v' ORDER BY 1
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| + }
|
| + } else {
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| + db eval {
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| + SELECT lower(sample) FROM sqlite_stat3 WHERE idx='t1v' ORDER BY 1
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| + }
|
| + }
|
| +} {alpha bravo charlie delta}
|
| +ifcapable stat4 {
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| + do_test analyze5-1.2 {
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| + db eval {SELECT idx, count(*) FROM sqlite_stat4 GROUP BY 1 ORDER BY 1}
|
| + } {t1t 8 t1u 8 t1v 8 t1w 8 t1x 8 t1y 9 t1z 8}
|
| +} else {
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| + do_test analyze5-1.2 {
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| + db eval {SELECT idx, count(*) FROM sqlite_stat3 GROUP BY 1 ORDER BY 1}
|
| + } {t1t 4 t1u 4 t1v 4 t1w 4 t1x 4 t1y 2 t1z 4}
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| +}
|
|
|
| # Verify that range queries generate the correct row count estimates
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| #
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| foreach {testid where index rows} {
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| 1 {z>=0 AND z<=0} t1z 400
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| 2 {z>=1 AND z<=1} t1z 300
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| - 3 {z>=2 AND z<=2} t1z 200
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| - 4 {z>=3 AND z<=3} t1z 100
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| - 5 {z>=4 AND z<=4} t1z 50
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| - 6 {z>=-1 AND z<=-1} t1z 50
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| - 7 {z>1 AND z<3} t1z 200
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| + 3 {z>=2 AND z<=2} t1z 175
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| + 4 {z>=3 AND z<=3} t1z 125
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| + 5 {z>=4 AND z<=4} t1z 1
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| + 6 {z>=-1 AND z<=-1} t1z 1
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| + 7 {z>1 AND z<3} t1z 175
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| 8 {z>0 AND z<100} t1z 600
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| 9 {z>=1 AND z<100} t1z 600
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| 10 {z>1 AND z<100} t1z 300
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| 11 {z>=2 AND z<100} t1z 300
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| - 12 {z>2 AND z<100} t1z 100
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| - 13 {z>=3 AND z<100} t1z 100
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| - 14 {z>3 AND z<100} t1z 50
|
| - 15 {z>=4 AND z<100} t1z 50
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| - 16 {z>=-100 AND z<=-1} t1z 50
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| + 12 {z>2 AND z<100} t1z 125
|
| + 13 {z>=3 AND z<100} t1z 125
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| + 14 {z>3 AND z<100} t1z 1
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| + 15 {z>=4 AND z<100} t1z 1
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| + 16 {z>=-100 AND z<=-1} t1z 1
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| 17 {z>=-100 AND z<=0} t1z 400
|
| - 18 {z>=-100 AND z<0} t1z 50
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| + 18 {z>=-100 AND z<0} t1z 1
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| 19 {z>=-100 AND z<=1} t1z 700
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| 20 {z>=-100 AND z<2} t1z 700
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| - 21 {z>=-100 AND z<=2} t1z 900
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| - 22 {z>=-100 AND z<3} t1z 900
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| + 21 {z>=-100 AND z<=2} t1z 875
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| + 22 {z>=-100 AND z<3} t1z 875
|
|
|
| 31 {z>=0.0 AND z<=0.0} t1z 400
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| 32 {z>=1.0 AND z<=1.0} t1z 300
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| - 33 {z>=2.0 AND z<=2.0} t1z 200
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| - 34 {z>=3.0 AND z<=3.0} t1z 100
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| - 35 {z>=4.0 AND z<=4.0} t1z 50
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| - 36 {z>=-1.0 AND z<=-1.0} t1z 50
|
| - 37 {z>1.5 AND z<3.0} t1z 200
|
| - 38 {z>0.5 AND z<100} t1z 600
|
| + 33 {z>=2.0 AND z<=2.0} t1z 175
|
| + 34 {z>=3.0 AND z<=3.0} t1z 125
|
| + 35 {z>=4.0 AND z<=4.0} t1z 1
|
| + 36 {z>=-1.0 AND z<=-1.0} t1z 1
|
| + 37 {z>1.5 AND z<3.0} t1z 174
|
| + 38 {z>0.5 AND z<100} t1z 599
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| 39 {z>=1.0 AND z<100} t1z 600
|
| - 40 {z>1.5 AND z<100} t1z 300
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| + 40 {z>1.5 AND z<100} t1z 299
|
| 41 {z>=2.0 AND z<100} t1z 300
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| - 42 {z>2.1 AND z<100} t1z 100
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| - 43 {z>=3.0 AND z<100} t1z 100
|
| - 44 {z>3.2 AND z<100} t1z 50
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| - 45 {z>=4.0 AND z<100} t1z 50
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| - 46 {z>=-100 AND z<=-1.0} t1z 50
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| + 42 {z>2.1 AND z<100} t1z 124
|
| + 43 {z>=3.0 AND z<100} t1z 125
|
| + 44 {z>3.2 AND z<100} t1z 1
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| + 45 {z>=4.0 AND z<100} t1z 1
|
| + 46 {z>=-100 AND z<=-1.0} t1z 1
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| 47 {z>=-100 AND z<=0.0} t1z 400
|
| - 48 {z>=-100 AND z<0.0} t1z 50
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| + 48 {z>=-100 AND z<0.0} t1z 1
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| 49 {z>=-100 AND z<=1.0} t1z 700
|
| 50 {z>=-100 AND z<2.0} t1z 700
|
| - 51 {z>=-100 AND z<=2.0} t1z 900
|
| - 52 {z>=-100 AND z<3.0} t1z 900
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| + 51 {z>=-100 AND z<=2.0} t1z 875
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| + 52 {z>=-100 AND z<3.0} t1z 875
|
|
|
| - 101 {z=-1} t1z 50
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| + 101 {z=-1} t1z 1
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| 102 {z=0} t1z 400
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| 103 {z=1} t1z 300
|
| - 104 {z=2} t1z 200
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| - 105 {z=3} t1z 100
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| - 106 {z=4} t1z 50
|
| - 107 {z=-10.0} t1z 50
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| + 104 {z=2} t1z 175
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| + 105 {z=3} t1z 125
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| + 106 {z=4} t1z 1
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| + 107 {z=-10.0} t1z 1
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| 108 {z=0.0} t1z 400
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| 109 {z=1.0} t1z 300
|
| - 110 {z=2.0} t1z 200
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| - 111 {z=3.0} t1z 100
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| - 112 {z=4.0} t1z 50
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| - 113 {z=1.5} t1z 50
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| - 114 {z=2.5} t1z 50
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| + 110 {z=2.0} t1z 175
|
| + 111 {z=3.0} t1z 125
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| + 112 {z=4.0} t1z 1
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| + 113 {z=1.5} t1z 1
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| + 114 {z=2.5} t1z 1
|
|
|
| - 201 {z IN (-1)} t1z 50
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| + 201 {z IN (-1)} t1z 1
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| 202 {z IN (0)} t1z 400
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| 203 {z IN (1)} t1z 300
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| - 204 {z IN (2)} t1z 200
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| - 205 {z IN (3)} t1z 100
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| - 206 {z IN (4)} t1z 50
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| - 207 {z IN (0.5)} t1z 50
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| + 204 {z IN (2)} t1z 175
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| + 205 {z IN (3)} t1z 125
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| + 206 {z IN (4)} t1z 1
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| + 207 {z IN (0.5)} t1z 1
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| 208 {z IN (0,1)} t1z 700
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| - 209 {z IN (0,1,2)} t1z 900
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| + 209 {z IN (0,1,2)} t1z 875
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| 210 {z IN (0,1,2,3)} {} 100
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| 211 {z IN (0,1,2,3,4,5)} {} 100
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| - 212 {z IN (1,2)} t1z 500
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| + 212 {z IN (1,2)} t1z 475
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| 213 {z IN (2,3)} t1z 300
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| 214 {z=3 OR z=2} t1z 300
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| - 215 {z IN (-1,3)} t1z 150
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| - 216 {z=-1 OR z=3} t1z 150
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| + 215 {z IN (-1,3)} t1z 126
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| + 216 {z=-1 OR z=3} t1z 126
|
|
|
| - 300 {y=0} {} 100
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| - 301 {y=1} t1y 50
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| - 302 {y=0.1} t1y 50
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| + 300 {y=0} t1y 974
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| + 301 {y=1} t1y 26
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| + 302 {y=0.1} t1y 1
|
|
|
| 400 {x IS NULL} t1x 400
|
|
|
| } {
|
| # Verify that the expected index is used with the expected row count
|
| - do_test analyze5-1.${testid}a {
|
| - set x [lindex [eqp "SELECT * FROM t1 WHERE $where"] 3]
|
| - set idx {}
|
| - regexp {INDEX (t1.) } $x all idx
|
| - regexp {~([0-9]+) rows} $x all nrow
|
| - list $idx $nrow
|
| - } [list $index $rows]
|
| + # No longer valid due to an EXPLAIN QUERY PLAN output format change
|
| + # do_test analyze5-1.${testid}a {
|
| + # set x [lindex [eqp "SELECT * FROM t1 WHERE $where"] 3]
|
| + # set idx {}
|
| + # regexp {INDEX (t1.) } $x all idx
|
| + # regexp {~([0-9]+) rows} $x all nrow
|
| + # list $idx $nrow
|
| + # } [list $index $rows]
|
|
|
| # Verify that the same result is achieved regardless of whether or not
|
| # the index is used
|
| @@ -204,23 +227,24 @@ db eval {
|
| # Verify that range queries generate the correct row count estimates
|
| #
|
| foreach {testid where index rows} {
|
| - 500 {x IS NULL AND u='charlie'} t1u 20
|
| - 501 {x=1 AND u='charlie'} t1x 5
|
| - 502 {x IS NULL} {} 100
|
| - 503 {x=1} t1x 50
|
| - 504 {x IS NOT NULL} t1x 25
|
| + 500 {x IS NULL AND u='charlie'} t1u 17
|
| + 501 {x=1 AND u='charlie'} t1x 1
|
| + 502 {x IS NULL} t1x 995
|
| + 503 {x=1} t1x 1
|
| + 504 {x IS NOT NULL} t1x 2
|
| 505 {+x IS NOT NULL} {} 500
|
| 506 {upper(x) IS NOT NULL} {} 500
|
|
|
| } {
|
| # Verify that the expected index is used with the expected row count
|
| - do_test analyze5-1.${testid}a {
|
| - set x [lindex [eqp "SELECT * FROM t1 WHERE $where"] 3]
|
| - set idx {}
|
| - regexp {INDEX (t1.) } $x all idx
|
| - regexp {~([0-9]+) rows} $x all nrow
|
| - list $idx $nrow
|
| - } [list $index $rows]
|
| + # No longer valid due to an EXPLAIN QUERY PLAN format change
|
| + # do_test analyze5-1.${testid}a {
|
| + # set x [lindex [eqp "SELECT * FROM t1 WHERE $where"] 3]
|
| + # set idx {}
|
| + # regexp {INDEX (t1.) } $x all idx
|
| + # regexp {~([0-9]+) rows} $x all nrow
|
| + # list $idx $nrow
|
| + # } [list $index $rows]
|
|
|
| # Verify that the same result is achieved regardless of whether or not
|
| # the index is used
|
|
|