152 lines
4.0 KiB
Plaintext
152 lines
4.0 KiB
Plaintext
# 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 $ret
|
|
}
|
|
db function s s
|
|
|
|
do_execsql_test 1.0 {
|
|
CREATE TABLE t1(a TEXT, b TEXT);
|
|
INSERT INTO t1 VALUES('(0)', '(0)');
|
|
INSERT INTO t1 VALUES('(1)', '(1)');
|
|
INSERT INTO t1 VALUES('(2)', '(2)');
|
|
INSERT INTO t1 VALUES('(3)', '(3)');
|
|
INSERT INTO t1 VALUES('(4)', '(4)');
|
|
CREATE INDEX i1 ON t1(a, b);
|
|
} {}
|
|
|
|
|
|
do_execsql_test 1.1 {
|
|
ANALYZE;
|
|
} {}
|
|
|
|
do_execsql_test 1.3 {
|
|
SELECT tbl,idx,nEq,nLt,nDLt,test_decode(sample) FROM sqlite_stat4;
|
|
} {
|
|
t1 i1 {1 1 1} {0 0 0} {0 0 0} {(0) (0) 1}
|
|
t1 i1 {1 1 1} {1 1 1} {1 1 1} {(1) (1) 2}
|
|
t1 i1 {1 1 1} {2 2 2} {2 2 2} {(2) (2) 3}
|
|
t1 i1 {1 1 1} {3 3 3} {3 3 3} {(3) (3) 4}
|
|
t1 i1 {1 1 1} {4 4 4} {4 4 4} {(4) (4) 5}
|
|
}
|
|
|
|
do_execsql_test 1.2 {
|
|
SELECT tbl,idx,nEq,nLt,nDLt,s(sample) FROM sqlite_stat4;
|
|
} {
|
|
t1 i1 {1 1 1} {0 0 0} {0 0 0} ....(0)(0)
|
|
t1 i1 {1 1 1} {1 1 1} {1 1 1} ....(1)(1).
|
|
t1 i1 {1 1 1} {2 2 2} {2 2 2} ....(2)(2).
|
|
t1 i1 {1 1 1} {3 3 3} {3 3 3} ....(3)(3).
|
|
t1 i1 {1 1 1} {4 4 4} {4 4 4} ....(4)(4).
|
|
}
|
|
|
|
|
|
#-------------------------------------------------------------------------
|
|
# This is really just to test SQL user function "test_decode".
|
|
#
|
|
reset_db
|
|
do_execsql_test 2.1 {
|
|
CREATE TABLE t1(a, b, c);
|
|
INSERT INTO t1 VALUES('some text', 14, NULL);
|
|
INSERT INTO t1 VALUES(22.0, NULL, x'656667');
|
|
CREATE INDEX i1 ON t1(a, b, c);
|
|
ANALYZE;
|
|
SELECT test_decode(sample) FROM sqlite_stat4;
|
|
} {
|
|
{22.0 NULL x'656667' 2}
|
|
{{some text} 14 NULL 1}
|
|
}
|
|
|
|
#-------------------------------------------------------------------------
|
|
#
|
|
reset_db
|
|
do_execsql_test 3.1 {
|
|
CREATE TABLE t2(a, b);
|
|
CREATE INDEX i2 ON t2(a, b);
|
|
BEGIN;
|
|
}
|
|
|
|
do_test 3.2 {
|
|
for {set i 0} {$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}
|
|
|
|
finish_test
|
|
|