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