# 2009 February 2 # # 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 script is testing that SQLite can handle a subtle # file format change that may be used in the future to implement # "ALTER TABLE ... ADD COLUMN". # # $Id: alter4.test,v 1.1 2009/02/02 18:03:22 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_OMIT_ALTERTABLE is defined, omit this file. ifcapable !altertable { finish_test return } # Test Organisation: # ------------------ # # alter4-1.*: Test that ALTER TABLE correctly modifies the CREATE TABLE sql. # alter4-2.*: Test error messages. # alter4-3.*: Test adding columns with default value NULL. # alter4-4.*: Test adding columns with default values other than NULL. # alter4-5.*: Test adding columns to tables in ATTACHed databases. # alter4-6.*: Test that temp triggers are not accidentally dropped. # alter4-7.*: Test that VACUUM resets the file-format. # do_test alter4-1.1 { execsql { CREATE TEMP TABLE abc(a, b, c); SELECT sql FROM sqlite_temp_master; } } {{CREATE TABLE abc(a, b, c)}} do_test alter4-1.2 { execsql {ALTER TABLE abc ADD d INTEGER;} execsql { SELECT sql FROM sqlite_temp_master; } } {{CREATE TABLE abc(a, b, c, d INTEGER)}} do_test alter4-1.3 { execsql {ALTER TABLE abc ADD e} execsql { SELECT sql FROM sqlite_temp_master; } } {{CREATE TABLE abc(a, b, c, d INTEGER, e)}} do_test alter4-1.4 { execsql { CREATE TABLE temp.t1(a, b); ALTER TABLE t1 ADD c; SELECT sql FROM sqlite_temp_master WHERE tbl_name = 't1'; } } {{CREATE TABLE t1(a, b, c)}} do_test alter4-1.5 { execsql { ALTER TABLE t1 ADD d CHECK (a>d); SELECT sql FROM sqlite_temp_master WHERE tbl_name = 't1'; } } {{CREATE TABLE t1(a, b, c, d CHECK (a>d))}} ifcapable foreignkey { do_test alter4-1.6 { execsql { CREATE TEMP TABLE t2(a, b, UNIQUE(a, b)); ALTER TABLE t2 ADD c REFERENCES t1(c) ; SELECT sql FROM sqlite_temp_master WHERE tbl_name = 't2' AND type = 'table'; } } {{CREATE TABLE t2(a, b, c REFERENCES t1(c), UNIQUE(a, b))}} } do_test alter4-1.7 { execsql { CREATE TEMPORARY TABLE t3(a, b, UNIQUE(a, b)); ALTER TABLE t3 ADD COLUMN c VARCHAR(10, 20); SELECT sql FROM sqlite_temp_master WHERE tbl_name = 't3' AND type = 'table'; } } {{CREATE TABLE t3(a, b, c VARCHAR(10, 20), UNIQUE(a, b))}} do_test alter4-1.99 { catchsql { # May not exist if foriegn-keys are omitted at compile time. DROP TABLE t2; } execsql { DROP TABLE abc; DROP TABLE t1; DROP TABLE t3; } } {} do_test alter4-2.1 { execsql { CREATE TABLE temp.t1(a, b); } catchsql { ALTER TABLE t1 ADD c PRIMARY KEY; } } {1 {Cannot add a PRIMARY KEY column}} do_test alter4-2.2 { catchsql { ALTER TABLE t1 ADD c UNIQUE } } {1 {Cannot add a UNIQUE column}} do_test alter4-2.3 { catchsql { ALTER TABLE t1 ADD b VARCHAR(10) } } {1 {duplicate column name: b}} do_test alter4-2.3 { catchsql { ALTER TABLE t1 ADD c NOT NULL; } } {1 {Cannot add a NOT NULL column with default value NULL}} do_test alter4-2.4 { catchsql { ALTER TABLE t1 ADD c NOT NULL DEFAULT 10; } } {0 {}} ifcapable view { do_test alter4-2.5 { execsql { CREATE TEMPORARY VIEW v1 AS SELECT * FROM t1; } catchsql { alter table v1 add column d; } } {1 {Cannot add a column to a view}} } do_test alter4-2.6 { catchsql { alter table t1 add column d DEFAULT CURRENT_TIME; } } {1 {Cannot add a column with non-constant default}} do_test alter4-2.7 { catchsql { alter table t1 add column d default (-5+1); } } {1 {Cannot add a column with non-constant default}} do_test alter4-2.99 { execsql { DROP TABLE t1; } } {} do_test alter4-3.1 { execsql { CREATE TEMP TABLE t1(a, b); INSERT INTO t1 VALUES(1, 100); INSERT INTO t1 VALUES(2, 300); SELECT * FROM t1; } } {1 100 2 300} do_test alter4-3.1 { execsql { PRAGMA schema_version = 10; } } {} do_test alter4-3.2 { execsql { ALTER TABLE t1 ADD c; SELECT * FROM t1; } } {1 100 {} 2 300 {}} ifcapable schema_version { do_test alter4-3.4 { execsql { PRAGMA schema_version; } } {10} } do_test alter4-4.1 { db close forcedelete test.db set ::DB [sqlite3 db test.db] execsql { CREATE TEMP TABLE t1(a, b); INSERT INTO t1 VALUES(1, 100); INSERT INTO t1 VALUES(2, 300); SELECT * FROM t1; } } {1 100 2 300} do_test alter4-4.1 { execsql { PRAGMA schema_version = 20; } } {} do_test alter4-4.2 { execsql { ALTER TABLE t1 ADD c DEFAULT 'hello world'; SELECT * FROM t1; } } {1 100 {hello world} 2 300 {hello world}} ifcapable schema_version { do_test alter4-4.4 { execsql { PRAGMA schema_version; } } {20} } do_test alter4-4.99 { execsql { DROP TABLE t1; } } {} ifcapable attach { do_test alter4-5.1 { forcedelete test2.db forcedelete test2.db-journal execsql { CREATE TEMP TABLE t1(a, b); INSERT INTO t1 VALUES(1, 'one'); INSERT INTO t1 VALUES(2, 'two'); ATTACH 'test2.db' AS aux; CREATE TABLE aux.t1 AS SELECT * FROM t1; PRAGMA aux.schema_version = 30; SELECT sql FROM aux.sqlite_master; } } {{CREATE TABLE t1(a,b)}} do_test alter4-5.2 { execsql { ALTER TABLE aux.t1 ADD COLUMN c VARCHAR(128); SELECT sql FROM aux.sqlite_master; } } {{CREATE TABLE t1(a,b, c VARCHAR(128))}} do_test alter4-5.3 { execsql { SELECT * FROM aux.t1; } } {1 one {} 2 two {}} ifcapable schema_version { do_test alter4-5.4 { execsql { PRAGMA aux.schema_version; } } {31} } do_test alter4-5.6 { execsql { ALTER TABLE aux.t1 ADD COLUMN d DEFAULT 1000; SELECT sql FROM aux.sqlite_master; } } {{CREATE TABLE t1(a,b, c VARCHAR(128), d DEFAULT 1000)}} do_test alter4-5.7 { execsql { SELECT * FROM aux.t1; } } {1 one {} 1000 2 two {} 1000} ifcapable schema_version { do_test alter4-5.8 { execsql { PRAGMA aux.schema_version; } } {32} } do_test alter4-5.9 { execsql { SELECT * FROM t1; } } {1 one 2 two} do_test alter4-5.99 { execsql { DROP TABLE aux.t1; DROP TABLE t1; } } {} } #---------------------------------------------------------------- # Test that the table schema is correctly reloaded when a column # is added to a table. # ifcapable trigger&&tempdb { do_test alter4-6.1 { execsql { CREATE TEMP TABLE t1(a, b); CREATE TEMP TABLE log(trig, a, b); CREATE TRIGGER t1_a AFTER INSERT ON t1 BEGIN INSERT INTO log VALUES('a', new.a, new.b); END; CREATE TEMP TRIGGER t1_b AFTER INSERT ON t1 BEGIN INSERT INTO log VALUES('b', new.a, new.b); END; INSERT INTO t1 VALUES(1, 2); SELECT * FROM log; } } {b 1 2 a 1 2} do_test alter4-6.2 { execsql { ALTER TABLE t1 ADD COLUMN c DEFAULT 'c'; INSERT INTO t1(a, b) VALUES(3, 4); SELECT * FROM log; } } {b 1 2 a 1 2 b 3 4 a 3 4} } # Ticket #1183 - Make sure adding columns to large tables does not cause # memory corruption (as was the case before this bug was fixed). do_test alter4-8.1 { execsql { CREATE TEMP TABLE t4(c1); } } {} set ::sql "" do_test alter4-8.2 { set cols c1 for {set i 2} {$i < 100} {incr i} { execsql " ALTER TABLE t4 ADD c$i " lappend cols c$i } set ::sql "CREATE TABLE t4([join $cols {, }])" list } {} do_test alter4-8.2 { execsql { SELECT sql FROM sqlite_temp_master WHERE name = 't4'; } } [list $::sql] # Test that a default value equal to -1 multipied by the smallest possible # 64-bit integer is correctly converted to a real. do_execsql_test alter4-9.1 { CREATE TABLE t5( a INTEGER DEFAULT -9223372036854775808, b INTEGER DEFAULT (-(-9223372036854775808)) ); INSERT INTO t5 DEFAULT VALUES; } do_execsql_test alter4-9.2 { SELECT typeof(a), a, typeof(b), b FROM t5; } { integer -9223372036854775808 real 9.22337203685478e+18 } do_execsql_test alter4-9.3 { ALTER TABLE t5 ADD COLUMN c INTEGER DEFAULT (-(-9223372036854775808)); SELECT typeof(c), c FROM t5; } {real 9.22337203685478e+18} finish_test