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Annotation of embedaddon/sqlite3/test/schema3.test, revision 1.1

1.1     ! misho       1: # 2010 Jun 28
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: # This file implements regression tests for SQLite library.
        !            12: #
        !            13: 
        !            14: set testdir [file dirname $argv0]
        !            15: source $testdir/tester.tcl
        !            16: source $testdir/malloc_common.tcl
        !            17: source $testdir/lock_common.tcl
        !            18: 
        !            19: # This block tests that if one client modifies the database schema, a
        !            20: # second client updates its internal cache of the database schema before
        !            21: # executing any queries. Specifically, it does not return a "no such column"
        !            22: # or "no such table" error if the table or column in question does exist
        !            23: # but was added after the second client loaded its cache of the database
        !            24: # schema.
        !            25: #
        !            26: # Types of schema modifications:
        !            27: #
        !            28: #   1. Adding a database table.
        !            29: #   2. Adding a database view.
        !            30: #   3. Adding a database index.
        !            31: #   4. Adding a database trigger.
        !            32: #   5. Adding a column to an existing table (ALTER TABLE).
        !            33: #
        !            34: do_multiclient_test tn {
        !            35: 
        !            36:   # Have connections [db1] and [db2] load the current database schema.
        !            37:   #
        !            38:   sql1 { SELECT * FROM sqlite_master }
        !            39:   sql2 { SELECT * FROM sqlite_master }
        !            40: 
        !            41:   foreach {tn2 c1 c2} {
        !            42:     1  { CREATE TABLE t1(a, b) }       { SELECT * FROM t1            }
        !            43:     2  { CREATE TABLE t2(a, b) }       { UPDATE t2 SET a = b         }
        !            44:     3  { CREATE TABLE t3(a, b) }       { DELETE FROM t3              }
        !            45:     4  { CREATE TABLE t4(a, b) }       { INSERT INTO t4 VALUES(1, 2) }
        !            46:     5  { CREATE TABLE t5(a, b) }       { DROP TABLE t5 }
        !            47:     6  { CREATE TABLE t6(a, b) }       { CREATE INDEX i1 ON t6(a) }
        !            48: 
        !            49:     7  { ALTER TABLE t1 ADD COLUMN c } { SELECT a, b, c FROM t1 }
        !            50:     8  { ALTER TABLE t2 ADD COLUMN c } { UPDATE t2 SET a = c }
        !            51:     9  { ALTER TABLE t2 ADD COLUMN d } { UPDATE t2 SET d = c }
        !            52:     10 { ALTER TABLE t3 ADD COLUMN c } { DELETE FROM t3 WHERE c>10 }
        !            53:     11 { ALTER TABLE t4 ADD COLUMN c } { INSERT INTO t4(a,b,c) VALUES(1,2,3) }
        !            54:     12 { ALTER TABLE t6 ADD COLUMN c } { CREATE INDEX i2 ON t6(c) }
        !            55:     13 { ALTER TABLE t6 ADD COLUMN d } { 
        !            56:          CREATE TRIGGER tr1 AFTER UPDATE OF d ON t6 BEGIN
        !            57:            SELECT 1, 2, 3;
        !            58:          END;
        !            59:     }
        !            60: 
        !            61:     14 { CREATE INDEX i3 ON t1(a) }    { DROP INDEX i3 }
        !            62:     15 { CREATE INDEX i4 ON t2(a) }    {
        !            63:          SELECT * FROM t2 INDEXED BY i4 ORDER BY a
        !            64:     }
        !            65: 
        !            66:     16 { CREATE TRIGGER tr2 AFTER INSERT ON t3 BEGIN SELECT 1 ; END } {
        !            67:          DROP TRIGGER tr2
        !            68:     }
        !            69: 
        !            70:     17  { CREATE VIEW v1 AS SELECT * FROM t1 } { SELECT a,b,c   FROM v1 }
        !            71:     18  { ALTER TABLE t1 ADD COLUMN d        } { SELECT a,b,c,d FROM v1 }
        !            72: 
        !            73:     19  { CREATE TABLE t7(a, b) } {
        !            74:           DROP TABLE IF EXISTS t7; CREATE TABLE t7(c, d);
        !            75:     }
        !            76:     20  { CREATE INDEX i5 ON t7(c, d) } {
        !            77:           DROP INDEX IF EXISTS i5; CREATE INDEX i5 ON t7(c)
        !            78:     }
        !            79:     21  { CREATE TRIGGER tr3 BEFORE DELETE ON t7 BEGIN SELECT 1, 2, 3 ; END } {
        !            80:           DROP TRIGGER IF EXISTS tr3;
        !            81:           CREATE TRIGGER tr3 AFTER INSERT ON t7 BEGIN SELECT 1, 2, 3 ; END 
        !            82:     }
        !            83: 
        !            84:     22  { CREATE TABLE t8(a, b) }       {
        !            85:          CREATE TRIGGER tr4 AFTER UPDATE OF a ON t8 BEGIN
        !            86:            SELECT 1, 2, 3;
        !            87:          END;
        !            88:     }
        !            89:   } {
        !            90:     do_test schema3-1.$tn.$tn2 {
        !            91:       sql1 $c1
        !            92:       sql2 $c2
        !            93:     } {}
        !            94:   }
        !            95: }
        !            96: 
        !            97: finish_test