Index: third_party/sqlite/sqlite-src-3080704/test/vtab_alter.test |
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+# 2007 June 26 |
+# |
+# The author disclaims copyright to this source code. In place of |
+# a legal notice, here is a blessing: |
+# |
+# May you do good and not evil. |
+# May you find forgiveness for yourself and forgive others. |
+# May you share freely, never taking more than you give. |
+# |
+#*********************************************************************** |
+# This file implements regression tests for SQLite library. The |
+# focus of this file is testing the ALTER TABLE ... RENAME TO |
+# command on virtual tables. |
+# |
+# $Id: vtab_alter.test,v 1.3 2007/12/13 21:54:11 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+ifcapable !vtab||!altertable { |
+ finish_test |
+ return |
+} |
+ |
+# Register the echo module. |
+# |
+# This test uses a special feature of the echo module. If the name |
+# of the virtual table is a prefix of the name of the underlying |
+# real table (for example if the v-table is "tbl" and the real table |
+# is "tbl_base"), then the name of the real table is modified |
+# when an "ALTER TABLE ... RENAME TO" is executed on the v-table. |
+# For example: |
+# |
+# sqlite> CREATE TABLE t1_base(a, b, c); |
+# sqlite> CREATE VIRTUAL TABLE t1 USING(t1_base); |
+# sqlite> ALTER TABLE t1 RENAME TO t2; |
+# sqlite> SELECT tbl_name FROM sqlite_master; |
+# t2_base |
+# t2 |
+# |
+register_echo_module [sqlite3_connection_pointer db] |
+ |
+ |
+# Try to rename an echo table. Make sure nothing terrible happens. |
+# |
+do_test vtab_alter-1.1 { |
+ execsql { CREATE TABLE t1(a, b VARCHAR, c INTEGER) } |
+} {} |
+do_test vtab_alter-1.2 { |
+ execsql { CREATE VIRTUAL TABLE t1echo USING echo(t1) } |
+} {} |
+do_test vtab_alter-1.3 { |
+ catchsql { SELECT * FROM t1echo } |
+} {0 {}} |
+do_test vtab_alter-1.4 { |
+ execsql { ALTER TABLE t1echo RENAME TO new } |
+} {} |
+do_test vtab_alter-1.5 { |
+ catchsql { SELECT * FROM t1echo } |
+} {1 {no such table: t1echo}} |
+do_test vtab_alter-1.6 { |
+ catchsql { SELECT * FROM new } |
+} {0 {}} |
+ |
+# Try to rename an echo table that renames its base table. Make |
+# sure nothing terrible happens. |
+# |
+do_test vtab_alter-2.1 { |
+ execsql { |
+ DROP TABLE new; |
+ DROP TABLE t1; |
+ CREATE TABLE t1_base(a, b, c); |
+ CREATE VIRTUAL TABLE t1 USING echo('*_base'); |
+ } |
+} {} |
+do_test vtab_alter-2.2 { |
+ execsql { |
+ INSERT INTO t1_base VALUES(1, 2, 3); |
+ SELECT * FROM t1; |
+ } |
+} {1 2 3} |
+do_test vtab_alter-2.3 { |
+ execsql { ALTER TABLE t1 RENAME TO x } |
+} {} |
+do_test vtab_alter-2.4 { |
+ execsql { SELECT * FROM x; } |
+} {1 2 3} |
+do_test vtab_alter-2.5 { |
+ execsql { SELECT * FROM x_base; } |
+} {1 2 3} |
+ |
+# Cause an error to occur when the echo module renames its |
+# backing store table. |
+# |
+do_test vtab_alter-3.1 { |
+ execsql { CREATE TABLE y_base(a, b, c) } |
+ catchsql { ALTER TABLE x RENAME TO y } |
+} {1 {SQL logic error or missing database}} |
+do_test vtab_alter-3.2 { |
+ execsql { SELECT * FROM x } |
+} {1 2 3} |
+ |
+finish_test |