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97 lines
3.3 KiB
Text
97 lines
3.3 KiB
Text
# 2010 Jun 28
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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.
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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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source $testdir/malloc_common.tcl
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source $testdir/lock_common.tcl
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# This block tests that if one client modifies the database schema, a
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# second client updates its internal cache of the database schema before
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# executing any queries. Specifically, it does not return a "no such column"
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# or "no such table" error if the table or column in question does exist
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# but was added after the second client loaded its cache of the database
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# schema.
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#
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# Types of schema modifications:
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#
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# 1. Adding a database table.
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# 2. Adding a database view.
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# 3. Adding a database index.
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# 4. Adding a database trigger.
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# 5. Adding a column to an existing table (ALTER TABLE).
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#
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do_multiclient_test tn {
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# Have connections [db1] and [db2] load the current database schema.
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#
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sql1 { SELECT * FROM sqlite_master }
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sql2 { SELECT * FROM sqlite_master }
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foreach {tn2 c1 c2} {
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1 { CREATE TABLE t1(a, b) } { SELECT * FROM t1 }
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2 { CREATE TABLE t2(a, b) } { UPDATE t2 SET a = b }
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3 { CREATE TABLE t3(a, b) } { DELETE FROM t3 }
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4 { CREATE TABLE t4(a, b) } { INSERT INTO t4 VALUES(1, 2) }
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5 { CREATE TABLE t5(a, b) } { DROP TABLE t5 }
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6 { CREATE TABLE t6(a, b) } { CREATE INDEX i1 ON t6(a) }
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7 { ALTER TABLE t1 ADD COLUMN c } { SELECT a, b, c FROM t1 }
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8 { ALTER TABLE t2 ADD COLUMN c } { UPDATE t2 SET a = c }
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9 { ALTER TABLE t2 ADD COLUMN d } { UPDATE t2 SET d = c }
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10 { ALTER TABLE t3 ADD COLUMN c } { DELETE FROM t3 WHERE c>10 }
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11 { ALTER TABLE t4 ADD COLUMN c } { INSERT INTO t4(a,b,c) VALUES(1,2,3) }
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12 { ALTER TABLE t6 ADD COLUMN c } { CREATE INDEX i2 ON t6(c) }
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13 { ALTER TABLE t6 ADD COLUMN d } {
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CREATE TRIGGER tr1 AFTER UPDATE OF d ON t6 BEGIN
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SELECT 1, 2, 3;
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END;
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}
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14 { CREATE INDEX i3 ON t1(a) } { DROP INDEX i3 }
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15 { CREATE INDEX i4 ON t2(a) } {
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SELECT * FROM t2 INDEXED BY i4 ORDER BY a
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}
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16 { CREATE TRIGGER tr2 AFTER INSERT ON t3 BEGIN SELECT 1 ; END } {
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DROP TRIGGER tr2
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}
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17 { CREATE VIEW v1 AS SELECT * FROM t1 } { SELECT a,b,c FROM v1 }
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18 { ALTER TABLE t1 ADD COLUMN d } { SELECT a,b,c,d FROM v1 }
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19 { CREATE TABLE t7(a, b) } {
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DROP TABLE IF EXISTS t7; CREATE TABLE t7(c, d);
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}
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20 { CREATE INDEX i5 ON t7(c, d) } {
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DROP INDEX IF EXISTS i5; CREATE INDEX i5 ON t7(c)
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}
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21 { CREATE TRIGGER tr3 BEFORE DELETE ON t7 BEGIN SELECT 1, 2, 3 ; END } {
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DROP TRIGGER IF EXISTS tr3;
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CREATE TRIGGER tr3 AFTER INSERT ON t7 BEGIN SELECT 1, 2, 3 ; END
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}
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22 { CREATE TABLE t8(a, b) } {
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CREATE TRIGGER tr4 AFTER UPDATE OF a ON t8 BEGIN
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SELECT 1, 2, 3;
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END;
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}
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} {
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do_test schema3-1.$tn.$tn2 {
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sql1 $c1
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sql2 $c2
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} {}
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}
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}
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finish_test
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