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| 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 | |
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