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Unified Diff: third_party/sqlite/sqlite-src-3080704/test/analyze9.test

Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: third_party/sqlite/sqlite-src-3080704/test/analyze9.test
diff --git a/third_party/sqlite/sqlite-src-3080704/test/analyze9.test b/third_party/sqlite/sqlite-src-3080704/test/analyze9.test
deleted file mode 100644
index 8572cbea0044a58f3bcb131c58c49f61f4b38562..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/test/analyze9.test
+++ /dev/null
@@ -1,1137 +0,0 @@
-# 2013 August 3
-#
-# The author disclaims copyright to this source code. In place of
-# a legal notice, here is a blessing:
-#
-# May you do good and not evil.
-# May you find forgiveness for yourself and forgive others.
-# May you share freely, never taking more than you give.
-#
-#***********************************************************************
-#
-# This file contains automated tests used to verify that the sqlite_stat4
-# functionality is working.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-set testprefix analyze9
-
-ifcapable !stat4 {
- finish_test
- return
-}
-
-proc s {blob} {
- set ret ""
- binary scan $blob c* bytes
- foreach b $bytes {
- set t [binary format c $b]
- if {[string is print $t]} {
- append ret $t
- } else {
- append ret .
- }
- }
- return $ret
-}
-db function s s
-
-do_execsql_test 1.0 {
- CREATE TABLE t1(a TEXT, b TEXT);
- INSERT INTO t1 VALUES('(0)', '(0)');
- INSERT INTO t1 VALUES('(1)', '(1)');
- INSERT INTO t1 VALUES('(2)', '(2)');
- INSERT INTO t1 VALUES('(3)', '(3)');
- INSERT INTO t1 VALUES('(4)', '(4)');
- CREATE INDEX i1 ON t1(a, b);
-} {}
-
-
-do_execsql_test 1.1 {
- ANALYZE;
-} {}
-
-do_execsql_test 1.2 {
- SELECT tbl,idx,nEq,nLt,nDLt,test_decode(sample) FROM sqlite_stat4;
-} {
- t1 i1 {1 1 1} {0 0 0} {0 0 0} {(0) (0) 1}
- t1 i1 {1 1 1} {1 1 1} {1 1 1} {(1) (1) 2}
- t1 i1 {1 1 1} {2 2 2} {2 2 2} {(2) (2) 3}
- t1 i1 {1 1 1} {3 3 3} {3 3 3} {(3) (3) 4}
- t1 i1 {1 1 1} {4 4 4} {4 4 4} {(4) (4) 5}
-}
-
-if {[permutation] != "utf16"} {
- do_execsql_test 1.3 {
- SELECT tbl,idx,nEq,nLt,nDLt,s(sample) FROM sqlite_stat4;
- } {
- t1 i1 {1 1 1} {0 0 0} {0 0 0} ....(0)(0)
- t1 i1 {1 1 1} {1 1 1} {1 1 1} ....(1)(1).
- t1 i1 {1 1 1} {2 2 2} {2 2 2} ....(2)(2).
- t1 i1 {1 1 1} {3 3 3} {3 3 3} ....(3)(3).
- t1 i1 {1 1 1} {4 4 4} {4 4 4} ....(4)(4).
- }
-}
-
-
-#-------------------------------------------------------------------------
-# This is really just to test SQL user function "test_decode".
-#
-reset_db
-do_execsql_test 2.1 {
- CREATE TABLE t1(a, b, c);
- INSERT INTO t1 VALUES('some text', 14, NULL);
- INSERT INTO t1 VALUES(22.0, NULL, x'656667');
- CREATE INDEX i1 ON t1(a, b, c);
- ANALYZE;
- SELECT test_decode(sample) FROM sqlite_stat4;
-} {
- {22.0 NULL x'656667' 2}
- {{some text} 14 NULL 1}
-}
-
-#-------------------------------------------------------------------------
-#
-reset_db
-do_execsql_test 3.1 {
- CREATE TABLE t2(a, b);
- CREATE INDEX i2 ON t2(a, b);
- BEGIN;
-}
-
-do_test 3.2 {
- for {set i 0} {$i < 1000} {incr i} {
- set a [expr $i / 10]
- set b [expr int(rand() * 15.0)]
- execsql { INSERT INTO t2 VALUES($a, $b) }
- }
- execsql COMMIT
-} {}
-
-db func lindex lindex
-
-# Each value of "a" occurs exactly 10 times in the table.
-#
-do_execsql_test 3.3.1 {
- SELECT count(*) FROM t2 GROUP BY a;
-} [lrange [string repeat "10 " 100] 0 99]
-
-# The first element in the "nEq" list of all samples should therefore be 10.
-#
-do_execsql_test 3.3.2 {
- ANALYZE;
- SELECT lindex(nEq, 0) FROM sqlite_stat4;
-} [lrange [string repeat "10 " 100] 0 23]
-
-#-------------------------------------------------------------------------
-#
-do_execsql_test 3.4 {
- DROP TABLE IF EXISTS t1;
- CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
- INSERT INTO t1 VALUES(1, 1, 'one-a');
- INSERT INTO t1 VALUES(11, 1, 'one-b');
- INSERT INTO t1 VALUES(21, 1, 'one-c');
- INSERT INTO t1 VALUES(31, 1, 'one-d');
- INSERT INTO t1 VALUES(41, 1, 'one-e');
- INSERT INTO t1 VALUES(51, 1, 'one-f');
- INSERT INTO t1 VALUES(61, 1, 'one-g');
- INSERT INTO t1 VALUES(71, 1, 'one-h');
- INSERT INTO t1 VALUES(81, 1, 'one-i');
- INSERT INTO t1 VALUES(91, 1, 'one-j');
- INSERT INTO t1 SELECT a+1,2,'two' || substr(c,4) FROM t1;
- INSERT INTO t1 SELECT a+2,3,'three'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
- INSERT INTO t1 SELECT a+3,4,'four'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
- INSERT INTO t1 SELECT a+4,5,'five'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
- INSERT INTO t1 SELECT a+5,6,'six'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
- CREATE INDEX t1b ON t1(b);
- ANALYZE;
- SELECT c FROM t1 WHERE b=3 AND a BETWEEN 30 AND 60;
-} {three-d three-e three-f}
-
-
-#-------------------------------------------------------------------------
-# These tests verify that the sample selection for stat4 appears to be
-# working as designed.
-#
-
-reset_db
-db func lindex lindex
-db func lrange lrange
-
-do_execsql_test 4.0 {
- DROP TABLE IF EXISTS t1;
- CREATE TABLE t1(a, b, c);
- CREATE INDEX i1 ON t1(c, b, a);
-}
-
-
-proc insert_filler_rows_n {iStart args} {
- set A(-ncopy) 1
- set A(-nval) 1
-
- foreach {k v} $args {
- if {[info exists A($k)]==0} { error "no such option: $k" }
- set A($k) $v
- }
- if {[llength $args] % 2} {
- error "option requires an argument: [lindex $args end]"
- }
-
- for {set i 0} {$i < $A(-nval)} {incr i} {
- set iVal [expr $iStart+$i]
- for {set j 0} {$j < $A(-ncopy)} {incr j} {
- execsql { INSERT INTO t1 VALUES($iVal, $iVal, $iVal) }
- }
- }
-}
-
-do_test 4.1 {
- execsql { BEGIN }
- insert_filler_rows_n 0 -ncopy 10 -nval 19
- insert_filler_rows_n 20 -ncopy 1 -nval 100
-
- execsql {
- INSERT INTO t1(c, b, a) VALUES(200, 1, 'a');
- INSERT INTO t1(c, b, a) VALUES(200, 1, 'b');
- INSERT INTO t1(c, b, a) VALUES(200, 1, 'c');
-
- INSERT INTO t1(c, b, a) VALUES(200, 2, 'e');
- INSERT INTO t1(c, b, a) VALUES(200, 2, 'f');
-
- INSERT INTO t1(c, b, a) VALUES(201, 3, 'g');
- INSERT INTO t1(c, b, a) VALUES(201, 4, 'h');
-
- ANALYZE;
- SELECT count(*) FROM sqlite_stat4;
- SELECT count(*) FROM t1;
- }
-} {24 297}
-
-do_execsql_test 4.2 {
- SELECT
- neq,
- lrange(nlt, 0, 2),
- lrange(ndlt, 0, 2),
- lrange(test_decode(sample), 0, 2)
- FROM sqlite_stat4
- ORDER BY rowid LIMIT 16;
-} {
- {10 10 10 1} {0 0 0} {0 0 0} {0 0 0}
- {10 10 10 1} {10 10 10} {1 1 1} {1 1 1}
- {10 10 10 1} {20 20 20} {2 2 2} {2 2 2}
- {10 10 10 1} {30 30 30} {3 3 3} {3 3 3}
- {10 10 10 1} {40 40 40} {4 4 4} {4 4 4}
- {10 10 10 1} {50 50 50} {5 5 5} {5 5 5}
- {10 10 10 1} {60 60 60} {6 6 6} {6 6 6}
- {10 10 10 1} {70 70 70} {7 7 7} {7 7 7}
- {10 10 10 1} {80 80 80} {8 8 8} {8 8 8}
- {10 10 10 1} {90 90 90} {9 9 9} {9 9 9}
- {10 10 10 1} {100 100 100} {10 10 10} {10 10 10}
- {10 10 10 1} {110 110 110} {11 11 11} {11 11 11}
- {10 10 10 1} {120 120 120} {12 12 12} {12 12 12}
- {10 10 10 1} {130 130 130} {13 13 13} {13 13 13}
- {10 10 10 1} {140 140 140} {14 14 14} {14 14 14}
- {10 10 10 1} {150 150 150} {15 15 15} {15 15 15}
-}
-
-do_execsql_test 4.3 {
- SELECT
- neq,
- lrange(nlt, 0, 2),
- lrange(ndlt, 0, 2),
- lrange(test_decode(sample), 0, 1)
- FROM sqlite_stat4
- ORDER BY rowid DESC LIMIT 2;
-} {
- {2 1 1 1} {295 296 296} {120 122 125} {201 4}
- {5 3 1 1} {290 290 290} {119 119 119} {200 1}
-}
-
-do_execsql_test 4.4 { SELECT count(DISTINCT c) FROM t1 WHERE c<201 } 120
-do_execsql_test 4.5 { SELECT count(DISTINCT c) FROM t1 WHERE c<200 } 119
-
-# Check that the perioidic samples are present.
-do_execsql_test 4.6 {
- SELECT count(*) FROM sqlite_stat4
- WHERE lindex(test_decode(sample), 3) IN
- ('34', '68', '102', '136', '170', '204', '238', '272')
-} {8}
-
-reset_db
-do_test 4.7 {
- execsql {
- BEGIN;
- CREATE TABLE t1(o,t INTEGER PRIMARY KEY);
- CREATE INDEX i1 ON t1(o);
- }
- for {set i 0} {$i<10000} {incr i [expr (($i<1000)?1:10)]} {
- execsql { INSERT INTO t1 VALUES('x', $i) }
- }
- execsql {
- COMMIT;
- ANALYZE;
- SELECT count(*) FROM sqlite_stat4;
- }
-} {8}
-do_execsql_test 4.8 {
- SELECT test_decode(sample) FROM sqlite_stat4;
-} {
- {x 211} {x 423} {x 635} {x 847}
- {x 1590} {x 3710} {x 5830} {x 7950}
-}
-
-
-#-------------------------------------------------------------------------
-# The following would cause a crash at one point.
-#
-reset_db
-do_execsql_test 5.1 {
- PRAGMA encoding = 'utf-16';
- CREATE TABLE t0(v);
- ANALYZE;
-}
-
-#-------------------------------------------------------------------------
-# This was also crashing (corrupt sqlite_stat4 table).
-#
-reset_db
-do_execsql_test 6.1 {
- CREATE TABLE t1(a, b);
- CREATE INDEX i1 ON t1(a);
- CREATE INDEX i2 ON t1(b);
- INSERT INTO t1 VALUES(1, 1);
- INSERT INTO t1 VALUES(2, 2);
- INSERT INTO t1 VALUES(3, 3);
- INSERT INTO t1 VALUES(4, 4);
- INSERT INTO t1 VALUES(5, 5);
- ANALYZE;
- PRAGMA writable_schema = 1;
- CREATE TEMP TABLE x1 AS
- SELECT tbl,idx,neq,nlt,ndlt,sample FROM sqlite_stat4
- ORDER BY (rowid%5), rowid;
- DELETE FROM sqlite_stat4;
- INSERT INTO sqlite_stat4 SELECT * FROM x1;
- PRAGMA writable_schema = 0;
- ANALYZE sqlite_master;
-}
-do_execsql_test 6.2 {
- SELECT * FROM t1 WHERE a = 'abc';
-}
-
-#-------------------------------------------------------------------------
-# The following tests experiment with adding corrupted records to the
-# 'sample' column of the sqlite_stat4 table.
-#
-reset_db
-sqlite3_db_config_lookaside db 0 0 0
-
-database_may_be_corrupt
-do_execsql_test 7.1 {
- CREATE TABLE t1(a, b);
- CREATE INDEX i1 ON t1(a, b);
- INSERT INTO t1 VALUES(1, 1);
- INSERT INTO t1 VALUES(2, 2);
- INSERT INTO t1 VALUES(3, 3);
- INSERT INTO t1 VALUES(4, 4);
- INSERT INTO t1 VALUES(5, 5);
- ANALYZE;
- UPDATE sqlite_stat4 SET sample = X'' WHERE rowid = 1;
- ANALYZE sqlite_master;
-}
-
-do_execsql_test 7.2 {
- UPDATE sqlite_stat4 SET sample = X'FFFF';
- ANALYZE sqlite_master;
- SELECT * FROM t1 WHERE a = 1;
-} {1 1}
-
-do_execsql_test 7.3 {
- ANALYZE;
- UPDATE sqlite_stat4 SET neq = '0 0 0';
- ANALYZE sqlite_master;
- SELECT * FROM t1 WHERE a = 1;
-} {1 1}
-
-do_execsql_test 7.4 {
- ANALYZE;
- UPDATE sqlite_stat4 SET ndlt = '0 0 0';
- ANALYZE sqlite_master;
- SELECT * FROM t1 WHERE a = 3;
-} {3 3}
-
-do_execsql_test 7.5 {
- ANALYZE;
- UPDATE sqlite_stat4 SET nlt = '0 0 0';
- ANALYZE sqlite_master;
- SELECT * FROM t1 WHERE a = 5;
-} {5 5}
-
-database_never_corrupt
-
-#-------------------------------------------------------------------------
-#
-reset_db
-do_execsql_test 8.1 {
- CREATE TABLE t1(x TEXT);
- CREATE INDEX i1 ON t1(x);
- INSERT INTO t1 VALUES('1');
- INSERT INTO t1 VALUES('2');
- INSERT INTO t1 VALUES('3');
- INSERT INTO t1 VALUES('4');
- ANALYZE;
-}
-do_execsql_test 8.2 {
- SELECT * FROM t1 WHERE x = 3;
-} {3}
-
-#-------------------------------------------------------------------------
-# Check that the bug fixed by [91733bc485] really is fixed.
-#
-reset_db
-do_execsql_test 9.1 {
- CREATE TABLE t1(a, b, c, d, e);
- CREATE INDEX i1 ON t1(a, b, c, d);
- CREATE INDEX i2 ON t1(e);
-}
-do_test 9.2 {
- execsql BEGIN;
- for {set i 0} {$i < 100} {incr i} {
- execsql "INSERT INTO t1 VALUES('x', 'y', 'z', $i, [expr $i/2])"
- }
- for {set i 0} {$i < 20} {incr i} {
- execsql "INSERT INTO t1 VALUES('x', 'y', 'z', 101, $i)"
- }
- for {set i 102} {$i < 200} {incr i} {
- execsql "INSERT INTO t1 VALUES('x', 'y', 'z', $i, [expr $i/2])"
- }
- execsql COMMIT
- execsql ANALYZE
-} {}
-
-do_eqp_test 9.3.1 {
- SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=101 AND e=5;
-} {/t1 USING INDEX i2/}
-do_eqp_test 9.3.2 {
- SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=99 AND e=5;
-} {/t1 USING INDEX i1/}
-
-set value_d [expr 101]
-do_eqp_test 9.4.1 {
- SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=$value_d AND e=5
-} {/t1 USING INDEX i2/}
-set value_d [expr 99]
-do_eqp_test 9.4.2 {
- SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=$value_d AND e=5
-} {/t1 USING INDEX i1/}
-
-#-------------------------------------------------------------------------
-# Check that the planner takes stat4 data into account when considering
-# "IS NULL" and "IS NOT NULL" constraints.
-#
-do_execsql_test 10.1.1 {
- DROP TABLE IF EXISTS t3;
- CREATE TABLE t3(a, b);
- CREATE INDEX t3a ON t3(a);
- CREATE INDEX t3b ON t3(b);
-}
-do_test 10.1.2 {
- for {set i 1} {$i < 100} {incr i} {
- if {$i>90} { set a $i } else { set a NULL }
- set b [expr $i % 5]
- execsql "INSERT INTO t3 VALUES($a, $b)"
- }
- execsql ANALYZE
-} {}
-do_eqp_test 10.1.3 {
- SELECT * FROM t3 WHERE a IS NULL AND b = 2
-} {/t3 USING INDEX t3b/}
-do_eqp_test 10.1.4 {
- SELECT * FROM t3 WHERE a IS NOT NULL AND b = 2
-} {/t3 USING INDEX t3a/}
-
-do_execsql_test 10.2.1 {
- DROP TABLE IF EXISTS t3;
- CREATE TABLE t3(x, a, b);
- CREATE INDEX t3a ON t3(x, a);
- CREATE INDEX t3b ON t3(x, b);
-}
-do_test 10.2.2 {
- for {set i 1} {$i < 100} {incr i} {
- if {$i>90} { set a $i } else { set a NULL }
- set b [expr $i % 5]
- execsql "INSERT INTO t3 VALUES('xyz', $a, $b)"
- }
- execsql ANALYZE
-} {}
-do_eqp_test 10.2.3 {
- SELECT * FROM t3 WHERE x = 'xyz' AND a IS NULL AND b = 2
-} {/t3 USING INDEX t3b/}
-do_eqp_test 10.2.4 {
- SELECT * FROM t3 WHERE x = 'xyz' AND a IS NOT NULL AND b = 2
-} {/t3 USING INDEX t3a/}
-
-#-------------------------------------------------------------------------
-# Check that stat4 data is used correctly with non-default collation
-# sequences.
-#
-foreach {tn schema} {
- 1 {
- CREATE TABLE t4(a COLLATE nocase, b);
- CREATE INDEX t4a ON t4(a);
- CREATE INDEX t4b ON t4(b);
- }
- 2 {
- CREATE TABLE t4(a, b);
- CREATE INDEX t4a ON t4(a COLLATE nocase);
- CREATE INDEX t4b ON t4(b);
- }
-} {
- drop_all_tables
- do_test 11.$tn.1 { execsql $schema } {}
-
- do_test 11.$tn.2 {
- for {set i 0} {$i < 100} {incr i} {
- if { ($i % 10)==0 } { set a ABC } else { set a DEF }
- set b [expr $i % 5]
- execsql { INSERT INTO t4 VALUES($a, $b) }
- }
- execsql ANALYZE
- } {}
-
- do_eqp_test 11.$tn.3 {
- SELECT * FROM t4 WHERE a = 'def' AND b = 3;
- } {/t4 USING INDEX t4b/}
-
- if {$tn==1} {
- set sql "SELECT * FROM t4 WHERE a = 'abc' AND b = 3;"
- do_eqp_test 11.$tn.4 $sql {/t4 USING INDEX t4a/}
- } else {
-
- set sql "SELECT * FROM t4 WHERE a = 'abc' COLLATE nocase AND b = 3;"
- do_eqp_test 11.$tn.5 $sql {/t4 USING INDEX t4a/}
-
- set sql "SELECT * FROM t4 WHERE a COLLATE nocase = 'abc' AND b = 3;"
- do_eqp_test 11.$tn.6 $sql {/t4 USING INDEX t4a/}
- }
-}
-
-foreach {tn schema} {
- 1 {
- CREATE TABLE t4(x, a COLLATE nocase, b);
- CREATE INDEX t4a ON t4(x, a);
- CREATE INDEX t4b ON t4(x, b);
- }
- 2 {
- CREATE TABLE t4(x, a, b);
- CREATE INDEX t4a ON t4(x, a COLLATE nocase);
- CREATE INDEX t4b ON t4(x, b);
- }
-} {
- drop_all_tables
- do_test 12.$tn.1 { execsql $schema } {}
-
- do_test 12.$tn.2 {
- for {set i 0} {$i < 100} {incr i} {
- if { ($i % 10)==0 } { set a ABC } else { set a DEF }
- set b [expr $i % 5]
- execsql { INSERT INTO t4 VALUES(X'abcdef', $a, $b) }
- }
- execsql ANALYZE
- } {}
-
- do_eqp_test 12.$tn.3 {
- SELECT * FROM t4 WHERE x=X'abcdef' AND a = 'def' AND b = 3;
- } {/t4 USING INDEX t4b/}
-
- if {$tn==1} {
- set sql "SELECT * FROM t4 WHERE x=X'abcdef' AND a = 'abc' AND b = 3;"
- do_eqp_test 12.$tn.4 $sql {/t4 USING INDEX t4a/}
- } else {
- set sql {
- SELECT * FROM t4 WHERE x=X'abcdef' AND a = 'abc' COLLATE nocase AND b = 3
- }
- do_eqp_test 12.$tn.5 $sql {/t4 USING INDEX t4a/}
- set sql {
- SELECT * FROM t4 WHERE x=X'abcdef' AND a COLLATE nocase = 'abc' AND b = 3
- }
- do_eqp_test 12.$tn.6 $sql {/t4 USING INDEX t4a/}
- }
-}
-
-#-------------------------------------------------------------------------
-# Check that affinities are taken into account when using stat4 data to
-# estimate the number of rows scanned by a rowid constraint.
-#
-drop_all_tables
-do_test 13.1 {
- execsql {
- CREATE TABLE t1(a, b, c, d);
- CREATE INDEX i1 ON t1(a);
- CREATE INDEX i2 ON t1(b, c);
- }
- for {set i 0} {$i<100} {incr i} {
- if {$i %2} {set a abc} else {set a def}
- execsql { INSERT INTO t1(rowid, a, b, c) VALUES($i, $a, $i, $i) }
- }
- execsql ANALYZE
-} {}
-do_eqp_test 13.2.1 {
- SELECT * FROM t1 WHERE a='abc' AND rowid<15 AND b<12
-} {/SEARCH TABLE t1 USING INDEX i1/}
-do_eqp_test 13.2.2 {
- SELECT * FROM t1 WHERE a='abc' AND rowid<'15' AND b<12
-} {/SEARCH TABLE t1 USING INDEX i1/}
-do_eqp_test 13.3.1 {
- SELECT * FROM t1 WHERE a='abc' AND rowid<100 AND b<12
-} {/SEARCH TABLE t1 USING INDEX i2/}
-do_eqp_test 13.3.2 {
- SELECT * FROM t1 WHERE a='abc' AND rowid<'100' AND b<12
-} {/SEARCH TABLE t1 USING INDEX i2/}
-
-#-------------------------------------------------------------------------
-# Check also that affinities are taken into account when using stat4 data
-# to estimate the number of rows scanned by any other constraint on a
-# column other than the leftmost.
-#
-drop_all_tables
-do_test 14.1 {
- execsql { CREATE TABLE t1(a, b INTEGER, c) }
- for {set i 0} {$i<100} {incr i} {
- set c [expr $i % 3]
- execsql { INSERT INTO t1 VALUES('ott', $i, $c) }
- }
- execsql {
- CREATE INDEX i1 ON t1(a, b);
- CREATE INDEX i2 ON t1(c);
- ANALYZE;
- }
-} {}
-do_eqp_test 13.2.1 {
- SELECT * FROM t1 WHERE a='ott' AND b<10 AND c=1
-} {/SEARCH TABLE t1 USING INDEX i1/}
-do_eqp_test 13.2.2 {
- SELECT * FROM t1 WHERE a='ott' AND b<'10' AND c=1
-} {/SEARCH TABLE t1 USING INDEX i1/}
-
-#-------------------------------------------------------------------------
-# By default, 16 non-periodic samples are collected for the stat4 table.
-# The following tests attempt to verify that the most common keys are
-# being collected.
-#
-proc check_stat4 {tn} {
- db eval ANALYZE
- db eval {SELECT a, b, c, d FROM t1} {
- incr k($a)
- incr k([list $a $b])
- incr k([list $a $b $c])
- if { [info exists k([list $a $b $c $d])]==0 } { incr nRow }
- incr k([list $a $b $c $d])
- }
-
- set L [list]
- foreach key [array names k] {
- lappend L [list $k($key) $key]
- }
-
- set nSample $nRow
- if {$nSample>16} {set nSample 16}
-
- set nThreshold [lindex [lsort -decr -integer -index 0 $L] [expr $nSample-1] 0]
- foreach key [array names k] {
- if {$k($key)>$nThreshold} {
- set expect($key) 1
- }
- if {$k($key)==$nThreshold} {
- set possible($key) 1
- }
- }
-
-
- set nPossible [expr $nSample - [llength [array names expect]]]
-
- #puts "EXPECT: [array names expect]"
- #puts "POSSIBLE($nPossible/[array size possible]): [array names possible]"
- #puts "HAVE: [db eval {SELECT test_decode(sample) FROM sqlite_stat4 WHERE idx='i1'}]"
-
- db eval {SELECT test_decode(sample) AS s FROM sqlite_stat4 WHERE idx='i1'} {
- set seen 0
- for {set i 0} {$i<4} {incr i} {
- unset -nocomplain expect([lrange $s 0 $i])
- if {[info exists possible([lrange $s 0 $i])]} {
- set seen 1
- unset -nocomplain possible([lrange $s 0 $i])
- }
- }
- if {$seen} {incr nPossible -1}
- }
- if {$nPossible<0} {set nPossible 0}
-
- set res [list [llength [array names expect]] $nPossible]
- uplevel [list do_test $tn [list set {} $res] {0 0}]
-}
-
-drop_all_tables
-do_test 14.1.1 {
- execsql {
- CREATE TABLE t1(a,b,c,d);
- CREATE INDEX i1 ON t1(a,b,c,d);
- }
- for {set i 0} {$i < 160} {incr i} {
- execsql { INSERT INTO t1 VALUES($i,$i,$i,$i) }
- if {($i % 10)==0} { execsql { INSERT INTO t1 VALUES($i,$i,$i,$i) } }
- }
-} {}
-check_stat4 14.1.2
-
-do_test 14.2.1 {
- execsql { DELETE FROM t1 }
- for {set i 0} {$i < 1600} {incr i} {
- execsql { INSERT INTO t1 VALUES($i/10,$i/17,$i/27,$i/37) }
- }
-} {}
-check_stat4 14.2.2
-
-do_test 14.3.1 {
- for {set i 0} {$i < 10} {incr i} {
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- execsql { INSERT INTO t1 VALUES($i*50,$i*50,$i*50,$i*50) }
- }
-} {}
-check_stat4 14.3.2
-
-do_test 14.4.1 {
- execsql {DELETE FROM t1}
- for {set i 1} {$i < 160} {incr i} {
- set b [expr $i % 10]
- if {$b==0 || $b==2} {set b 1}
- execsql { INSERT INTO t1 VALUES($i/10,$b,$i,$i) }
- }
-} {}
-check_stat4 14.4.2
-db func lrange lrange
-db func lindex lindex
-do_execsql_test 14.4.3 {
- SELECT lrange(test_decode(sample), 0, 1) AS s FROM sqlite_stat4
- WHERE lindex(s, 1)=='1' ORDER BY rowid
-} {
- {0 1} {1 1} {2 1} {3 1}
- {4 1} {5 1} {6 1} {7 1}
- {8 1} {9 1} {10 1} {11 1}
- {12 1} {13 1} {14 1} {15 1}
-}
-
-#-------------------------------------------------------------------------
-# Test that nothing untoward happens if the stat4 table contains entries
-# for indexes that do not exist. Or NULL values in the idx column.
-# Or NULL values in any of the other columns.
-#
-drop_all_tables
-do_execsql_test 15.1 {
- CREATE TABLE x1(a, b, UNIQUE(a, b));
- INSERT INTO x1 VALUES(1, 2);
- INSERT INTO x1 VALUES(3, 4);
- INSERT INTO x1 VALUES(5, 6);
- ANALYZE;
- INSERT INTO sqlite_stat4 VALUES(NULL, NULL, NULL, NULL, NULL, NULL);
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.2 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-do_execsql_test 15.3 {
- INSERT INTO sqlite_stat4 VALUES(42, 42, 42, 42, 42, 42);
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.4 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-do_execsql_test 15.5 {
- UPDATE sqlite_stat1 SET stat = NULL;
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.6 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-do_execsql_test 15.7 {
- ANALYZE;
- UPDATE sqlite_stat1 SET tbl = 'no such tbl';
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.8 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-do_execsql_test 15.9 {
- ANALYZE;
- UPDATE sqlite_stat4 SET neq = NULL, nlt=NULL, ndlt=NULL;
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.10 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-# This is just for coverage....
-do_execsql_test 15.11 {
- ANALYZE;
- UPDATE sqlite_stat1 SET stat = stat || ' unordered';
-}
-db close
-sqlite3 db test.db
-do_execsql_test 15.12 { SELECT * FROM x1 } {1 2 3 4 5 6}
-
-#-------------------------------------------------------------------------
-# Test that allocations used for sqlite_stat4 samples are included in
-# the quantity returned by SQLITE_DBSTATUS_SCHEMA_USED.
-#
-set one [string repeat x 1000]
-set two [string repeat x 2000]
-do_test 16.1 {
- reset_db
- execsql {
- CREATE TABLE t1(a, UNIQUE(a));
- INSERT INTO t1 VALUES($one);
- ANALYZE;
- }
- set nByte [lindex [sqlite3_db_status db SCHEMA_USED 0] 1]
-
- reset_db
- execsql {
- CREATE TABLE t1(a, UNIQUE(a));
- INSERT INTO t1 VALUES($two);
- ANALYZE;
- }
- set nByte2 [lindex [sqlite3_db_status db SCHEMA_USED 0] 1]
- puts -nonewline " (nByte=$nByte nByte2=$nByte2)"
-
- expr {$nByte2 > $nByte+900 && $nByte2 < $nByte+1100}
-} {1}
-
-#-------------------------------------------------------------------------
-# Test that stat4 data may be used with partial indexes.
-#
-do_test 17.1 {
- reset_db
- execsql {
- CREATE TABLE t1(a, b, c, d);
- CREATE INDEX i1 ON t1(a, b) WHERE d IS NOT NULL;
- INSERT INTO t1 VALUES(-1, -1, -1, NULL);
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
- }
-
- for {set i 0} {$i < 32} {incr i} {
- if {$i<8} {set b 0} else { set b $i }
- execsql { INSERT INTO t1 VALUES($i%2, $b, $i/2, 'abc') }
- }
- execsql {ANALYZE main.t1}
-} {}
-
-do_catchsql_test 17.1.2 {
- ANALYZE temp.t1;
-} {1 {no such table: temp.t1}}
-
-do_eqp_test 17.2 {
- SELECT * FROM t1 WHERE d IS NOT NULL AND a=0 AND b=10 AND c=10;
-} {/USING INDEX i1/}
-do_eqp_test 17.3 {
- SELECT * FROM t1 WHERE d IS NOT NULL AND a=0 AND b=0 AND c=10;
-} {/USING INDEX i1/}
-
-do_execsql_test 17.4 {
- CREATE INDEX i2 ON t1(c, d);
- ANALYZE main.i2;
-}
-do_eqp_test 17.5 {
- SELECT * FROM t1 WHERE d IS NOT NULL AND a=0 AND b=10 AND c=10;
-} {/USING INDEX i1/}
-do_eqp_test 17.6 {
- SELECT * FROM t1 WHERE d IS NOT NULL AND a=0 AND b=0 AND c=10;
-} {/USING INDEX i2/}
-
-#-------------------------------------------------------------------------
-#
-do_test 18.1 {
- reset_db
- execsql {
- CREATE TABLE t1(a, b);
- CREATE INDEX i1 ON t1(a, b);
- }
- for {set i 0} {$i < 9} {incr i} {
- execsql {
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- INSERT INTO t1 VALUES($i, 0);
- }
- }
- execsql ANALYZE
- execsql { SELECT count(*) FROM sqlite_stat4 }
-} {9}
-
-#-------------------------------------------------------------------------
-# For coverage.
-#
-ifcapable view {
- do_test 19.1 {
- reset_db
- execsql {
- CREATE TABLE t1(x, y);
- CREATE INDEX i1 ON t1(x, y);
- CREATE VIEW v1 AS SELECT * FROM t1;
- ANALYZE;
- }
- } {}
-}
-ifcapable auth {
- proc authproc {op args} {
- if {$op == "SQLITE_ANALYZE"} { return "SQLITE_DENY" }
- return "SQLITE_OK"
- }
- do_test 19.2 {
- reset_db
- db auth authproc
- execsql {
- CREATE TABLE t1(x, y);
- CREATE VIEW v1 AS SELECT * FROM t1;
- }
- catchsql ANALYZE
- } {1 {not authorized}}
-}
-
-#-------------------------------------------------------------------------
-#
-reset_db
-proc r {args} { expr rand() }
-db func r r
-db func lrange lrange
-do_test 20.1 {
- execsql {
- CREATE TABLE t1(a,b,c,d);
- CREATE INDEX i1 ON t1(a,b,c,d);
- }
- for {set i 0} {$i < 16} {incr i} {
- execsql {
- INSERT INTO t1 VALUES($i, r(), r(), r());
- INSERT INTO t1 VALUES($i, $i, r(), r());
- INSERT INTO t1 VALUES($i, $i, $i, r());
- INSERT INTO t1 VALUES($i, $i, $i, $i);
- INSERT INTO t1 VALUES($i, $i, $i, $i);
- INSERT INTO t1 VALUES($i, $i, $i, r());
- INSERT INTO t1 VALUES($i, $i, r(), r());
- INSERT INTO t1 VALUES($i, r(), r(), r());
- }
- }
-} {}
-do_execsql_test 20.2 { ANALYZE }
-for {set i 0} {$i<16} {incr i} {
- set val "$i $i $i $i"
- do_execsql_test 20.3.$i {
- SELECT count(*) FROM sqlite_stat4
- WHERE lrange(test_decode(sample), 0, 3)=$val
- } {1}
-}
-
-#-------------------------------------------------------------------------
-#
-reset_db
-
-do_execsql_test 21.0 {
- CREATE TABLE t2(a, b);
- CREATE INDEX i2 ON t2(a);
-}
-
-do_test 21.1 {
- for {set i 1} {$i < 100} {incr i} {
- execsql {
- INSERT INTO t2 VALUES(CASE WHEN $i < 80 THEN 'one' ELSE 'two' END, $i)
- }
- }
- execsql ANALYZE
-} {}
-
-# Condition (a='one') matches 80% of the table. (rowid<10) reduces this to
-# 10%, but (rowid<50) only reduces it to 50%. So in the first case below
-# the index is used. In the second, it is not.
-#
-do_eqp_test 21.2 {
- SELECT * FROM t2 WHERE a='one' AND rowid < 10
-} {/*USING INDEX i2 (a=? AND rowid<?)*/}
-do_eqp_test 21.3 {
- SELECT * FROM t2 WHERE a='one' AND rowid < 50
-} {/*USING INTEGER PRIMARY KEY*/}
-
-#-------------------------------------------------------------------------
-#
-reset_db
-do_execsql_test 22.0 {
- CREATE TABLE t3(a, b, c, d, PRIMARY KEY(a, b)) WITHOUT ROWID;
-}
-do_execsql_test 22.1 {
- WITH r(x) AS (
- SELECT 1
- UNION ALL
- SELECT x+1 FROM r WHERE x<=100
- )
-
- INSERT INTO t3 SELECT
- CASE WHEN (x>45 AND x<96) THEN 'B' ELSE 'A' END, /* Column "a" */
- x, /* Column "b" */
- CASE WHEN (x<51) THEN 'one' ELSE 'two' END, /* Column "c" */
- x /* Column "d" */
- FROM r;
-
- CREATE INDEX i3 ON t3(c);
- CREATE INDEX i4 ON t3(d);
- ANALYZE;
-}
-
-# Expression (c='one' AND a='B') matches 5 table rows. But (c='one' AND a=A')
-# matches 45. Expression (d<?) matches 20. Neither index is a covering index.
-#
-# Therefore, with stat4 data, SQLite prefers (c='one' AND a='B') over (d<20),
-# and (d<20) over (c='one' AND a='A').
-foreach {tn where res} {
- 1 "c='one' AND a='B' AND d < 20" {/*INDEX i3 (c=? AND a=?)*/}
- 2 "c='one' AND a='A' AND d < 20" {/*INDEX i4 (d<?)*/}
-} {
- do_eqp_test 22.2.$tn "SELECT * FROM t3 WHERE $where" $res
-}
-
-proc int_to_char {i} {
- set ret ""
- set char [list a b c d e f g h i j]
- foreach {div} {1000 100 10 1} {
- append ret [lindex $char [expr ($i / $div) % 10]]
- }
- set ret
-}
-db func int_to_char int_to_char
-
-do_execsql_test 23.0 {
- CREATE TABLE t4(
- a COLLATE nocase, b, c,
- d, e, f,
- PRIMARY KEY(c, b, a)
- ) WITHOUT ROWID;
- CREATE INDEX i41 ON t4(e);
- CREATE INDEX i42 ON t4(f);
-
- WITH data(a, b, c, d, e, f) AS (
- SELECT int_to_char(0), 'xyz', 'zyx', '*', 0, 0
- UNION ALL
- SELECT
- int_to_char(f+1), b, c, d, (e+1) % 2, f+1
- FROM data WHERE f<1024
- )
- INSERT INTO t4 SELECT a, b, c, d, e, f FROM data;
- ANALYZE;
-} {}
-
-do_eqp_test 23.1 {
- SELECT * FROM t4 WHERE
- (e=1 AND b='xyz' AND c='zyx' AND a<'AEA') AND f<300
-} {
- 0 0 0 {SEARCH TABLE t4 USING INDEX i41 (e=? AND c=? AND b=? AND a<?)}
-}
-do_eqp_test 23.2 {
- SELECT * FROM t4 WHERE
- (e=1 AND b='xyz' AND c='zyx' AND a<'JJJ') AND f<300
-} {
- 0 0 0 {SEARCH TABLE t4 USING INDEX i42 (f<?)}
-}
-
-do_execsql_test 24.0 {
- CREATE TABLE t5(c, d, b, e, a, PRIMARY KEY(a, b, c)) WITHOUT ROWID;
- WITH data(a, b, c, d, e) AS (
- SELECT 'z', 'y', 0, 0, 0
- UNION ALL
- SELECT
- a, CASE WHEN b='y' THEN 'n' ELSE 'y' END, c+1, e/250, e+1
- FROM data
- WHERE e<1000
- )
- INSERT INTO t5(a, b, c, d, e) SELECT * FROM data;
- CREATE INDEX t5d ON t5(d);
- CREATE INDEX t5e ON t5(e);
- ANALYZE;
-}
-
-foreach {tn where eqp} {
- 1 "d=0 AND a='z' AND b='n' AND e<200" {/*t5d (d=? AND a=? AND b=?)*/}
- 2 "d=0 AND a='z' AND b='n' AND e<100" {/*t5e (e<?)*/}
-
- 3 "d=0 AND e<300" {/*t5d (d=?)*/}
- 4 "d=0 AND e<200" {/*t5e (e<?)*/}
-} {
- do_eqp_test 24.$tn "SeLeCt * FROM t5 WHERE $where" $eqp
-}
-
-#-------------------------------------------------------------------------
-# Test that if stat4 data is available but cannot be used because the
-# rhs of a range constraint is a complex expression, the default estimates
-# are used instead.
-ifcapable stat4&&cte {
- do_execsql_test 25.1 {
- CREATE TABLE t6(a, b);
- WITH ints(i,j) AS (
- SELECT 1,1 UNION ALL SELECT i+1,j+1 FROM ints WHERE i<100
- ) INSERT INTO t6 SELECT * FROM ints;
- CREATE INDEX aa ON t6(a);
- CREATE INDEX bb ON t6(b);
- ANALYZE;
- }
-
- # Term (b<?) is estimated at 25%. Better than (a<30) but not as
- # good as (a<20).
- do_eqp_test 25.2.1 { SELECT * FROM t6 WHERE a<30 AND b<? } {
- 0 0 0 {SEARCH TABLE t6 USING INDEX bb (b<?)}
- }
- do_eqp_test 25.2.2 { SELECT * FROM t6 WHERE a<20 AND b<? } {
- 0 0 0 {SEARCH TABLE t6 USING INDEX aa (a<?)}
- }
-
- # Term (b BETWEEN ? AND ?) is estimated at 1/64.
- do_eqp_test 25.3.1 {
- SELECT * FROM t6 WHERE a BETWEEN 5 AND 10 AND b BETWEEN ? AND ?
- } {
- 0 0 0 {SEARCH TABLE t6 USING INDEX bb (b>? AND b<?)}
- }
-
- # Term (b BETWEEN ? AND 60) is estimated to return roughly 15 rows -
- # 60 from (b<=60) multiplied by 0.25 for the b>=? term. Better than
- # (a<20) but not as good as (a<10).
- do_eqp_test 25.4.1 {
- SELECT * FROM t6 WHERE a < 10 AND (b BETWEEN ? AND 60)
- } {
- 0 0 0 {SEARCH TABLE t6 USING INDEX aa (a<?)}
- }
- do_eqp_test 25.4.2 {
- SELECT * FROM t6 WHERE a < 20 AND (b BETWEEN ? AND 60)
- } {
- 0 0 0 {SEARCH TABLE t6 USING INDEX bb (b>? AND b<?)}
- }
-}
-
-finish_test
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