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] |
source $testdir/tester.tcl |
-ifcapable !stat2 { |
+ifcapable !stat4&&!stat3 { |
finish_test |
return |
} |
@@ -28,6 +28,17 @@ proc eqp {sql {db db}} { |
uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db |
} |
+proc alpha {blob} { |
+ set ret "" |
+ foreach c [split $blob {}] { |
+ if {[string is alpha $c]} {append ret $c} |
+ } |
+ return $ret |
+} |
+db func alpha alpha |
+ |
+db func lindex lindex |
+ |
unset -nocomplain i t u v w x y z |
do_test analyze5-1.0 { |
db eval {CREATE TABLE t1(t,u,v TEXT COLLATE nocase,w,x,y,z)} |
@@ -55,126 +66,138 @@ do_test analyze5-1.0 { |
CREATE INDEX t1y ON t1(y); -- integers 0 and very few 1s |
CREATE INDEX t1z ON t1(z); -- integers 0, 1, 2, and 3 |
ANALYZE; |
- SELECT sample FROM sqlite_stat2 WHERE idx='t1u' ORDER BY sampleno; |
} |
-} {alpha alpha alpha alpha bravo bravo bravo charlie charlie delta} |
-do_test analyze5-1.1 { |
- string tolower \ |
- [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 { |
- 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 { |
- db eval {SELECT sample from sqlite_stat2 WHERE idx='t1x' ORDER BY sampleno} |
-} {{} {} {} {} 1 1 1 2 2 3} |
-do_test analyze5-1.4 { |
- 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 { |
- db eval {SELECT sample from sqlite_stat2 WHERE idx='t1z' ORDER BY sampleno} |
-} {0 0 0 0 1 1 1 2 2 3} |
-do_test analyze5-1.6 { |
- 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 { |
+ db eval { |
+ SELECT DISTINCT lindex(test_decode(sample),0) |
+ FROM sqlite_stat4 WHERE idx='t1u' ORDER BY nlt; |
+ } |
+ } else { |
+ db eval { |
+ SELECT sample FROM sqlite_stat3 WHERE idx='t1u' ORDER BY nlt; |
+ } |
+ } |
+} {alpha bravo charlie delta} |
+do_test analyze5-1.1 { |
+ ifcapable stat4 { |
+ db eval { |
+ SELECT DISTINCT lower(lindex(test_decode(sample), 0)) |
+ FROM sqlite_stat4 WHERE idx='t1v' ORDER BY 1 |
+ } |
+ } else { |
+ db eval { |
+ SELECT lower(sample) FROM sqlite_stat3 WHERE idx='t1v' ORDER BY 1 |
+ } |
+ } |
+} {alpha bravo charlie delta} |
+ifcapable stat4 { |
+ do_test analyze5-1.2 { |
+ 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 { |
+ do_test analyze5-1.2 { |
+ 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} |
+} |
# Verify that range queries generate the correct row count estimates |
# |
foreach {testid where index rows} { |
1 {z>=0 AND z<=0} t1z 400 |
2 {z>=1 AND z<=1} t1z 300 |
- 3 {z>=2 AND z<=2} t1z 200 |
- 4 {z>=3 AND z<=3} t1z 100 |
- 5 {z>=4 AND z<=4} t1z 50 |
- 6 {z>=-1 AND z<=-1} t1z 50 |
- 7 {z>1 AND z<3} t1z 200 |
+ 3 {z>=2 AND z<=2} t1z 175 |
+ 4 {z>=3 AND z<=3} t1z 125 |
+ 5 {z>=4 AND z<=4} t1z 1 |
+ 6 {z>=-1 AND z<=-1} t1z 1 |
+ 7 {z>1 AND z<3} t1z 175 |
8 {z>0 AND z<100} t1z 600 |
9 {z>=1 AND z<100} t1z 600 |
10 {z>1 AND z<100} t1z 300 |
11 {z>=2 AND z<100} t1z 300 |
- 12 {z>2 AND z<100} t1z 100 |
- 13 {z>=3 AND z<100} t1z 100 |
- 14 {z>3 AND z<100} t1z 50 |
- 15 {z>=4 AND z<100} t1z 50 |
- 16 {z>=-100 AND z<=-1} t1z 50 |
+ 12 {z>2 AND z<100} t1z 125 |
+ 13 {z>=3 AND z<100} t1z 125 |
+ 14 {z>3 AND z<100} t1z 1 |
+ 15 {z>=4 AND z<100} t1z 1 |
+ 16 {z>=-100 AND z<=-1} t1z 1 |
17 {z>=-100 AND z<=0} t1z 400 |
- 18 {z>=-100 AND z<0} t1z 50 |
+ 18 {z>=-100 AND z<0} t1z 1 |
19 {z>=-100 AND z<=1} t1z 700 |
20 {z>=-100 AND z<2} t1z 700 |
- 21 {z>=-100 AND z<=2} t1z 900 |
- 22 {z>=-100 AND z<3} t1z 900 |
+ 21 {z>=-100 AND z<=2} t1z 875 |
+ 22 {z>=-100 AND z<3} t1z 875 |
31 {z>=0.0 AND z<=0.0} t1z 400 |
32 {z>=1.0 AND z<=1.0} t1z 300 |
- 33 {z>=2.0 AND z<=2.0} t1z 200 |
- 34 {z>=3.0 AND z<=3.0} t1z 100 |
- 35 {z>=4.0 AND z<=4.0} t1z 50 |
- 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 |
39 {z>=1.0 AND z<100} t1z 600 |
- 40 {z>1.5 AND z<100} t1z 300 |
+ 40 {z>1.5 AND z<100} t1z 299 |
41 {z>=2.0 AND z<100} t1z 300 |
- 42 {z>2.1 AND z<100} t1z 100 |
- 43 {z>=3.0 AND z<100} t1z 100 |
- 44 {z>3.2 AND z<100} t1z 50 |
- 45 {z>=4.0 AND z<100} t1z 50 |
- 46 {z>=-100 AND z<=-1.0} t1z 50 |
+ 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 |
+ 45 {z>=4.0 AND z<100} t1z 1 |
+ 46 {z>=-100 AND z<=-1.0} t1z 1 |
47 {z>=-100 AND z<=0.0} t1z 400 |
- 48 {z>=-100 AND z<0.0} t1z 50 |
+ 48 {z>=-100 AND z<0.0} t1z 1 |
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 |
+ 51 {z>=-100 AND z<=2.0} t1z 875 |
+ 52 {z>=-100 AND z<3.0} t1z 875 |
- 101 {z=-1} t1z 50 |
+ 101 {z=-1} t1z 1 |
102 {z=0} t1z 400 |
103 {z=1} t1z 300 |
- 104 {z=2} t1z 200 |
- 105 {z=3} t1z 100 |
- 106 {z=4} t1z 50 |
- 107 {z=-10.0} t1z 50 |
+ 104 {z=2} t1z 175 |
+ 105 {z=3} t1z 125 |
+ 106 {z=4} t1z 1 |
+ 107 {z=-10.0} t1z 1 |
108 {z=0.0} t1z 400 |
109 {z=1.0} t1z 300 |
- 110 {z=2.0} t1z 200 |
- 111 {z=3.0} t1z 100 |
- 112 {z=4.0} t1z 50 |
- 113 {z=1.5} t1z 50 |
- 114 {z=2.5} t1z 50 |
+ 110 {z=2.0} t1z 175 |
+ 111 {z=3.0} t1z 125 |
+ 112 {z=4.0} t1z 1 |
+ 113 {z=1.5} t1z 1 |
+ 114 {z=2.5} t1z 1 |
- 201 {z IN (-1)} t1z 50 |
+ 201 {z IN (-1)} t1z 1 |
202 {z IN (0)} t1z 400 |
203 {z IN (1)} t1z 300 |
- 204 {z IN (2)} t1z 200 |
- 205 {z IN (3)} t1z 100 |
- 206 {z IN (4)} t1z 50 |
- 207 {z IN (0.5)} t1z 50 |
+ 204 {z IN (2)} t1z 175 |
+ 205 {z IN (3)} t1z 125 |
+ 206 {z IN (4)} t1z 1 |
+ 207 {z IN (0.5)} t1z 1 |
208 {z IN (0,1)} t1z 700 |
- 209 {z IN (0,1,2)} t1z 900 |
+ 209 {z IN (0,1,2)} t1z 875 |
210 {z IN (0,1,2,3)} {} 100 |
211 {z IN (0,1,2,3,4,5)} {} 100 |
- 212 {z IN (1,2)} t1z 500 |
+ 212 {z IN (1,2)} t1z 475 |
213 {z IN (2,3)} t1z 300 |
214 {z=3 OR z=2} t1z 300 |
- 215 {z IN (-1,3)} t1z 150 |
- 216 {z=-1 OR z=3} t1z 150 |
+ 215 {z IN (-1,3)} t1z 126 |
+ 216 {z=-1 OR z=3} t1z 126 |
- 300 {y=0} {} 100 |
- 301 {y=1} t1y 50 |
- 302 {y=0.1} t1y 50 |
+ 300 {y=0} t1y 974 |
+ 301 {y=1} t1y 26 |
+ 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 |