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Annotation of embedaddon/sqlite3/test/schema3.test, revision 1.1.1.1

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