251 lines
7.2 KiB
Plaintext
251 lines
7.2 KiB
Plaintext
# 2009 August 06
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# $Id: analyze.test,v 1.9 2008/08/11 18:44:58 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !stat2 {
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finish_test
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return
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}
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proc eqp sql {
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uplevel execsql [list "EXPLAIN QUERY PLAN $sql"]
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}
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do_test analyze2-1.1 {
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execsql { CREATE TABLE t1(x PRIMARY KEY) }
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for {set i 0} {$i < 1000} {incr i} {
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execsql { INSERT INTO t1 VALUES($i) }
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}
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execsql {
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ANALYZE;
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SELECT * FROM sqlite_stat2;
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}
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} [list t1 sqlite_autoindex_t1_1 0 0 \
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t1 sqlite_autoindex_t1_1 1 111 \
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t1 sqlite_autoindex_t1_1 2 222 \
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t1 sqlite_autoindex_t1_1 3 333 \
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t1 sqlite_autoindex_t1_1 4 444 \
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t1 sqlite_autoindex_t1_1 5 555 \
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t1 sqlite_autoindex_t1_1 6 666 \
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t1 sqlite_autoindex_t1_1 7 777 \
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t1 sqlite_autoindex_t1_1 8 888 \
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t1 sqlite_autoindex_t1_1 9 999 \
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]
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do_test analyze2-1.2 {
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execsql {
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DELETE FROM t1 WHERe x>9;
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ANALYZE;
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SELECT tbl, idx, group_concat(sample, ' ') FROM sqlite_stat2;
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}
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} {t1 sqlite_autoindex_t1_1 {0 1 2 3 4 5 6 7 8 9}}
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do_test analyze2-1.3 {
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execsql {
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DELETE FROM t1 WHERE x>5;
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ANALYZE;
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SELECT * FROM sqlite_stat2;
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}
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} {}
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do_test analyze2-1.4 {
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execsql {
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DELETE FROM t1;
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ANALYZE;
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SELECT * FROM sqlite_stat2;
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}
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} {}
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do_test analyze2-1.1 {
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execsql {
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DROP TABLE t1;
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CREATE TABLE t1(x, y);
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CREATE INDEX t1_x ON t1(x);
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CREATE INDEX t1_y ON t1(y);
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}
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for {set i 0} {$i < 1000} {incr i} {
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execsql { INSERT INTO t1 VALUES($i, $i) }
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}
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execsql ANALYZE
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} {}
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do_test analyze2-1.2 {
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execsql { EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE x>500 AND y>700 }
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-1.3 {
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execsql { EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE x>700 AND y>500 }
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-1.3 {
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execsql { EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE y>700 AND x>500 }
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-1.4 {
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execsql { EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE y>500 AND x>700 }
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-2.1 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 200 AND y BETWEEN 400 AND 700"
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-2.2 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 500 AND y BETWEEN 400 AND 700"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-2.3 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN -400 AND -300 AND y BETWEEN 100 AND 300"
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-2.4 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 300 AND y BETWEEN -400 AND -300"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-3.1 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 500 AND 100 AND y BETWEEN 100 AND 300"
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-3.2 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 300 AND y BETWEEN 500 AND 100"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-4.1 {
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set alphabet [list a b c d e f g h i j]
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for {set i 0} {$i < 1000} {incr i} {
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set str [lindex $alphabet [expr ($i/100)%10]]
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append str [lindex $alphabet [expr ($i/ 10)%10]]
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append str [lindex $alphabet [expr ($i/ 1)%10]]
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execsql { INSERT INTO t1 VALUES($str, $str) }
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}
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execsql ANALYZE
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execsql {
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SELECT tbl,idx,group_concat(sample,' ')
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FROM sqlite_stat2
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WHERE idx = 't1_x'
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GROUP BY tbl,idx
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}
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} {t1 t1_x {0 222 444 666 888 bba ddc ffe hhg jjj}}
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do_test analyze2-4.2 {
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execsql {
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SELECT tbl,idx,group_concat(sample,' ')
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FROM sqlite_stat2
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WHERE idx = 't1_y'
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GROUP BY tbl,idx
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}
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} {t1 t1_y {0 222 444 666 888 bba ddc ffe hhg jjj}}
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do_test analyze2-4.3 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 500 AND y BETWEEN 'a' AND 'b'"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-4.4 {
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eqp "SELECT * FROM t1 WHERE x BETWEEN 100 AND 400 AND y BETWEEN 'a' AND 'h'"
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-4.5 {
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eqp "SELECT * FROM t1 WHERE x<'a' AND y>'h'"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-4.6 {
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eqp "SELECT * FROM t1 WHERE x<444 AND y>'h'"
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} {0 0 {TABLE t1 WITH INDEX t1_y}}
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do_test analyze2-4.7 {
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eqp "SELECT * FROM t1 WHERE x<221 AND y>'h'"
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} {0 0 {TABLE t1 WITH INDEX t1_x}}
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do_test analyze2-5.1 {
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execsql { CREATE TABLE t3(a COLLATE nocase, b) }
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execsql { CREATE INDEX t3a ON t3(a) }
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execsql { CREATE INDEX t3b ON t3(b) }
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set alphabet [list A b C d E f G h I j]
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for {set i 0} {$i < 1000} {incr i} {
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set str [lindex $alphabet [expr ($i/100)%10]]
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append str [lindex $alphabet [expr ($i/ 10)%10]]
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append str [lindex $alphabet [expr ($i/ 1)%10]]
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execsql { INSERT INTO t3 VALUES($str, $str) }
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}
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execsql ANALYZE
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} {}
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do_test analyze2-5.2 {
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execsql {
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SELECT tbl,idx,group_concat(sample,' ')
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FROM sqlite_stat2
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WHERE idx = 't3a'
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GROUP BY tbl,idx
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}
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} {t3 t3a {AAA bbb CCC ddd EEE fff GGG hhh III jjj}}
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do_test analyze2-5.3 {
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execsql {
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SELECT tbl,idx,group_concat(sample,' ')
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FROM sqlite_stat2
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WHERE idx = 't3b'
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GROUP BY tbl,idx
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}
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} {t3 t3b {AAA CCC EEE GGG III bbb ddd fff hhh jjj}}
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do_test analyze2-5.4 {
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eqp "SELECT * FROM t3 WHERE a > 'A' AND a < 'C' AND b > 'A' AND b < 'C'"
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} {0 0 {TABLE t3 WITH INDEX t3b}}
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do_test analyze2-5.5 {
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eqp "SELECT * FROM t3 WHERE a > 'A' AND a < 'c' AND b > 'A' AND b < 'c'"
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} {0 0 {TABLE t3 WITH INDEX t3a}}
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proc test_collate {enc lhs rhs} {
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# puts $enc
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return [string compare $lhs $rhs]
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}
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do_test analyze2-6.1 {
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add_test_collate db 0 0 1
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execsql { CREATE TABLE t4(x COLLATE test_collate) }
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execsql { CREATE INDEX t4x ON t4(x) }
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set alphabet [list a b c d e f g h i j]
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for {set i 0} {$i < 1000} {incr i} {
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set str [lindex $alphabet [expr ($i/100)%10]]
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append str [lindex $alphabet [expr ($i/ 10)%10]]
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append str [lindex $alphabet [expr ($i/ 1)%10]]
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execsql { INSERT INTO t4 VALUES($str) }
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}
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execsql ANALYZE
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} {}
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do_test analyze2-6.2 {
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execsql {
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SELECT tbl,idx,group_concat(sample,' ')
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FROM sqlite_stat2
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WHERE tbl = 't4'
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GROUP BY tbl,idx
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}
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} {t4 t4x {aaa bbb ccc ddd eee fff ggg hhh iii jjj}}
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do_test analyze2-6.3 {
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eqp "SELECT * FROM t4 WHERE x>'ccc'"
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} {0 0 {TABLE t4 WITH INDEX t4x}}
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do_test analyze2-6.4 {
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eqp "SELECT * FROM t4 AS t41, t4 AS t42 WHERE t41.x>'ccc' AND t42.x>'ggg'"
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} {0 1 {TABLE t4 AS t42 WITH INDEX t4x} 1 0 {TABLE t4 AS t41 WITH INDEX t4x}}
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do_test analyze2-6.5 {
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eqp "SELECT * FROM t4 AS t41, t4 AS t42 WHERE t41.x>'ddd' AND t42.x>'ccc'"
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} {0 0 {TABLE t4 AS t41 WITH INDEX t4x} 1 1 {TABLE t4 AS t42 WITH INDEX t4x}}
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ifcapable memdebug {
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execsql { DELETE FROM t4 }
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db close
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source $testdir/malloc_common.tcl
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file copy -force test.db bak.db
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do_malloc_test analyze2-oom -tclprep {
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db close
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file copy -force bak.db test.db
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sqlite3 db test.db
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sqlite3_db_config_lookaside db 0 0 0
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add_test_collate db 0 0 1
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} -sqlbody {
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SELECT * FROM t4 AS t41, t4 AS t42 WHERE t41.x>'ddd' AND t42.x>'ccc'
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}
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}
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finish_test
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