# 2001 September 15 # # 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 implements regression tests for SQLite library. The # focus of this file is testing the UPDATE statement. # # $Id: update.test,v 1.8 2001/11/09 22:41:45 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Try to update an non-existent table # do_test update-1.1 { set v [catch {execsql {UPDATE test1 SET f2=5 WHERE f1<1}} msg] lappend v $msg } {1 {no such table: test1}} # Try to update a read-only table # do_test update-2.1 { set v [catch \ {execsql {UPDATE sqlite_master SET name='xyz' WHERE name='123'}} msg] lappend v $msg } {1 {table sqlite_master may not be modified}} # Create a table to work with # do_test update-3.1 { execsql {CREATE TABLE test1(f1 int,f2 int)} for {set i 1} {$i<=10} {incr i} { set sql "INSERT INTO test1 VALUES($i,[expr {int(pow(2,$i))}])" execsql $sql } execsql {SELECT * FROM test1 ORDER BY f1} } {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024} # Unknown column name in an expression # do_test update-3.2 { set v [catch {execsql {UPDATE test1 SET f1=f3*2 WHERE f2==32}} msg] lappend v $msg } {1 {no such column: f3}} do_test update-3.3 { set v [catch {execsql {UPDATE test1 SET f1=test2.f1*2 WHERE f2==32}} msg] lappend v $msg } {1 {no such column: test2.f1}} do_test update-3.4 { set v [catch {execsql {UPDATE test1 SET f3=f1*2 WHERE f2==32}} msg] lappend v $msg } {1 {no such column: f3}} # Actually do some updates # do_test update-3.5 { execsql {UPDATE test1 SET f2=f2*3} } {} do_test update-3.6 { execsql {SELECT * FROM test1 ORDER BY f1} } {1 6 2 12 3 24 4 48 5 96 6 192 7 384 8 768 9 1536 10 3072} do_test update-3.7 { execsql {PRAGMA count_changes=on} execsql {UPDATE test1 SET f2=f2/3 WHERE f1<=5} } {5} do_test update-3.8 { execsql {SELECT * FROM test1 ORDER BY f1} } {1 2 2 4 3 8 4 16 5 32 6 192 7 384 8 768 9 1536 10 3072} do_test update-3.9 { execsql {UPDATE test1 SET f2=f2/3 WHERE f1>5} } {5} do_test update-3.10 { execsql {SELECT * FROM test1 ORDER BY f1} } {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024} # Swap the values of f1 and f2 for all elements # do_test update-3.11 { execsql {UPDATE test1 SET F2=f1, F1=f2} } {10} do_test update-3.12 { execsql {SELECT * FROM test1 ORDER BY F1} } {2 1 4 2 8 3 16 4 32 5 64 6 128 7 256 8 512 9 1024 10} do_test update-3.13 { execsql {PRAGMA count_changes=off} execsql {UPDATE test1 SET F2=f1, F1=f2} } {} do_test update-3.14 { execsql {SELECT * FROM test1 ORDER BY F1} } {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024} # Create duplicate entries and make sure updating still # works. # do_test update-4.0 { execsql { DELETE FROM test1 WHERE f1<=5; INSERT INTO test1(f1,f2) VALUES(8,88); INSERT INTO test1(f1,f2) VALUES(8,888); INSERT INTO test1(f1,f2) VALUES(77,128); INSERT INTO test1(f1,f2) VALUES(777,128); } execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-4.1 { execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128} do_test update-4.2 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128} do_test update-4.3 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-4.4 { execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128} do_test update-4.5 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128} do_test update-4.6 { execsql { PRAGMA count_changes=on; UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128; } } {2} do_test update-4.7 { execsql { PRAGMA count_changes=off; SELECT * FROM test1 ORDER BY f1,f2 } } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} # Repeat the previous sequence of tests with an index. # do_test update-5.0 { execsql {CREATE INDEX idx1 ON test1(f1)} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-5.1 { execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128} do_test update-5.2 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128} do_test update-5.3 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-5.4 { execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128} do_test update-5.4.1 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-5.4.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {778 128} do_test update-5.4.3 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-5.5 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128} } {} do_test update-5.5.1 { execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128} do_test update-5.5.2 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-5.5.3 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-5.5.4 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-5.5.5 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-5.6 { execsql { PRAGMA count_changes=on; UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128; } } {2} do_test update-5.6.1 { execsql { PRAGMA count_changes=off; SELECT * FROM test1 ORDER BY f1,f2 } } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-5.6.2 { execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2} } {77 128} do_test update-5.6.3 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-5.6.4 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-5.6.5 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 256 8 888} # Repeat the previous sequence of tests with a different index. # do_test update-6.0 { execsql {DROP INDEX idx1} execsql {CREATE INDEX idx1 ON test1(f2)} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-6.1 { execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128} do_test update-6.1.1 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 89 8 257 8 889} do_test update-6.1.2 { execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2} } {8 89} do_test update-6.1.3 { execsql {SELECT * FROM test1 WHERE f1==88 ORDER BY f1,f2} } {} do_test update-6.2 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128} do_test update-6.3 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-6.3.1 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 256 8 888} do_test update-6.3.2 { execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2} } {} do_test update-6.3.3 { execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2} } {8 88} do_test update-6.4 { execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128} do_test update-6.4.1 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-6.4.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {778 128} do_test update-6.4.3 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-6.5 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128} do_test update-6.5.1 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-6.5.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-6.5.3 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-6.5.4 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-6.6 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-6.6.1 { execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2} } {77 128} do_test update-6.6.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-6.6.3 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-6.6.4 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 256 8 888} # Repeat the previous sequence of tests with multiple # indices # do_test update-7.0 { execsql {CREATE INDEX idx2 ON test1(f2)} execsql {CREATE INDEX idx3 ON test1(f1,f2)} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-7.1 { execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128} do_test update-7.1.1 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 89 8 257 8 889} do_test update-7.1.2 { execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2} } {8 89} do_test update-7.1.3 { execsql {SELECT * FROM test1 WHERE f1==88 ORDER BY f1,f2} } {} do_test update-7.2 { execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128} do_test update-7.3 { # explain {UPDATE test1 SET f2=f2-1 WHERE f1==8 and F2<300} execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-7.3.1 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 256 8 888} do_test update-7.3.2 { execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2} } {} do_test update-7.3.3 { execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2} } {8 88} do_test update-7.4 { execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128} do_test update-7.4.1 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-7.4.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {778 128} do_test update-7.4.3 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-7.5 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128} do_test update-7.5.1 { execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2} } {78 128} do_test update-7.5.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-7.5.3 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-7.5.4 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 128 8 256 8 888} do_test update-7.6 { execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128} execsql {SELECT * FROM test1 ORDER BY f1,f2} } {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128} do_test update-7.6.1 { execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2} } {77 128} do_test update-7.6.2 { execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2} } {} do_test update-7.6.3 { execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2} } {777 128} do_test update-7.6.4 { execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2} } {8 88 8 256 8 888} # Error messages # do_test update-9.1 { set v [catch {execsql { UPDATE test1 SET x=11 WHERE f1=1025 }} msg] lappend v $msg } {1 {no such column: x}} do_test update-9.2 { set v [catch {execsql { UPDATE test1 SET f1=x(11) WHERE f1=1025 }} msg] lappend v $msg } {1 {no such function: x}} do_test update-9.3 { set v [catch {execsql { UPDATE test1 SET f1=11 WHERE x=1025 }} msg] lappend v $msg } {1 {no such column: x}} do_test update-9.4 { set v [catch {execsql { UPDATE test1 SET f1=11 WHERE x(f1)=1025 }} msg] lappend v $msg } {1 {no such function: x}} finish_test