415 lines
9.0 KiB
Plaintext
415 lines
9.0 KiB
Plaintext
# 2001 October 7
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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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# This file implements tests for temporary tables and indices.
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#
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# $Id: temptable.test,v 1.17 2006/01/24 00:15:16 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !tempdb {
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finish_test
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return
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}
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# Create an alternative connection to the database
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#
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do_test temptable-1.0 {
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sqlite3 db2 ./test.db
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set dummy {}
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} {}
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# Create a permanent table.
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#
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do_test temptable-1.1 {
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execsql {CREATE TABLE t1(a,b,c);}
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execsql {INSERT INTO t1 VALUES(1,2,3);}
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execsql {SELECT * FROM t1}
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} {1 2 3}
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do_test temptable-1.2 {
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catch {db2 eval {SELECT * FROM sqlite_master}}
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db2 eval {SELECT * FROM t1}
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} {1 2 3}
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do_test temptable-1.3 {
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execsql {SELECT name FROM sqlite_master}
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} {t1}
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do_test temptable-1.4 {
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db2 eval {SELECT name FROM sqlite_master}
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} {t1}
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# Create a temporary table. Verify that only one of the two
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# processes can see it.
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#
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do_test temptable-1.5 {
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db2 eval {
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CREATE TEMP TABLE t2(x,y,z);
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INSERT INTO t2 VALUES(4,5,6);
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}
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db2 eval {SELECT * FROM t2}
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} {4 5 6}
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do_test temptable-1.6 {
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catch {execsql {SELECT * FROM sqlite_master}}
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catchsql {SELECT * FROM t2}
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} {1 {no such table: t2}}
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do_test temptable-1.7 {
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catchsql {INSERT INTO t2 VALUES(8,9,0);}
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} {1 {no such table: t2}}
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do_test temptable-1.8 {
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db2 eval {INSERT INTO t2 VALUES(8,9,0);}
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db2 eval {SELECT * FROM t2 ORDER BY x}
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} {4 5 6 8 9 0}
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do_test temptable-1.9 {
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db2 eval {DELETE FROM t2 WHERE x==8}
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db2 eval {SELECT * FROM t2 ORDER BY x}
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} {4 5 6}
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do_test temptable-1.10 {
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db2 eval {DELETE FROM t2}
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db2 eval {SELECT * FROM t2}
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} {}
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do_test temptable-1.11 {
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db2 eval {
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INSERT INTO t2 VALUES(7,6,5);
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INSERT INTO t2 VALUES(4,3,2);
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SELECT * FROM t2 ORDER BY x;
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}
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} {4 3 2 7 6 5}
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do_test temptable-1.12 {
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db2 eval {DROP TABLE t2;}
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set r [catch {db2 eval {SELECT * FROM t2}} msg]
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lappend r $msg
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} {1 {no such table: t2}}
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# Make sure temporary tables work with transactions
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#
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do_test temptable-2.1 {
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execsql {
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BEGIN TRANSACTION;
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CREATE TEMPORARY TABLE t2(x,y);
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INSERT INTO t2 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {1 2}
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do_test temptable-2.2 {
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execsql {ROLLBACK}
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catchsql {SELECT * FROM t2}
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} {1 {no such table: t2}}
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do_test temptable-2.3 {
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execsql {
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BEGIN TRANSACTION;
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CREATE TEMPORARY TABLE t2(x,y);
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INSERT INTO t2 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {1 2}
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do_test temptable-2.4 {
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execsql {COMMIT}
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catchsql {SELECT * FROM t2}
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} {0 {1 2}}
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do_test temptable-2.5 {
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set r [catch {db2 eval {SELECT * FROM t2}} msg]
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lappend r $msg
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} {1 {no such table: t2}}
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# Make sure indices on temporary tables are also temporary.
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#
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do_test temptable-3.1 {
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execsql {
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CREATE INDEX i2 ON t2(x);
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SELECT name FROM sqlite_master WHERE type='index';
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}
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} {}
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do_test temptable-3.2 {
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execsql {
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SELECT y FROM t2 WHERE x=1;
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}
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} {2}
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do_test temptable-3.3 {
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execsql {
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DROP INDEX i2;
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SELECT y FROM t2 WHERE x=1;
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}
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} {2}
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do_test temptable-3.4 {
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execsql {
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CREATE INDEX i2 ON t2(x);
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DROP TABLE t2;
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}
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catchsql {DROP INDEX i2}
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} {1 {no such index: i2}}
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# Check for correct name collision processing. A name collision can
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# occur when process A creates a temporary table T then process B
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# creates a permanent table also named T. The temp table in process A
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# hides the existance of the permanent table.
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#
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do_test temptable-4.1 {
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execsql {
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CREATE TEMP TABLE t2(x,y);
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INSERT INTO t2 VALUES(10,20);
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SELECT * FROM t2;
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} db2
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} {10 20}
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do_test temptable-4.2 {
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execsql {
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CREATE TABLE t2(x,y,z);
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INSERT INTO t2 VALUES(9,8,7);
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SELECT * FROM t2;
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}
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} {9 8 7}
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do_test temptable-4.3 {
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catchsql {
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SELECT * FROM t2;
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} db2
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} {0 {10 20}}
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do_test temptable-4.4.1 {
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catchsql {
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SELECT * FROM temp.t2;
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} db2
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} {0 {10 20}}
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do_test temptable-4.4.2 {
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catchsql {
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SELECT * FROM main.t2;
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} db2
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} {1 {no such table: main.t2}}
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#do_test temptable-4.4.3 {
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# catchsql {
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# SELECT name FROM main.sqlite_master WHERE type='table';
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# } db2
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#} {1 {database schema has changed}}
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do_test temptable-4.4.4 {
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catchsql {
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SELECT name FROM main.sqlite_master WHERE type='table';
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} db2
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} {0 {t1 t2}}
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do_test temptable-4.4.5 {
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catchsql {
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SELECT * FROM main.t2;
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} db2
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} {0 {9 8 7}}
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do_test temptable-4.4.6 {
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# TEMP takes precedence over MAIN
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catchsql {
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SELECT * FROM t2;
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} db2
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} {0 {10 20}}
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do_test temptable-4.5 {
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catchsql {
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DROP TABLE t2; -- should drop TEMP
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SELECT * FROM t2; -- data should be from MAIN
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} db2
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} {0 {9 8 7}}
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do_test temptable-4.6 {
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db2 close
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sqlite3 db2 ./test.db
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catchsql {
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SELECT * FROM t2;
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} db2
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} {0 {9 8 7}}
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do_test temptable-4.7 {
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catchsql {
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DROP TABLE t2;
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SELECT * FROM t2;
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}
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} {1 {no such table: t2}}
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do_test temptable-4.8 {
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db2 close
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sqlite3 db2 ./test.db
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execsql {
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CREATE TEMP TABLE t2(x unique,y);
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INSERT INTO t2 VALUES(1,2);
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SELECT * FROM t2;
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} db2
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} {1 2}
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do_test temptable-4.9 {
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execsql {
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CREATE TABLE t2(x unique, y);
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INSERT INTO t2 VALUES(3,4);
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SELECT * FROM t2;
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}
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} {3 4}
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do_test temptable-4.10.1 {
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catchsql {
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SELECT * FROM t2;
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} db2
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} {0 {1 2}}
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# Update: The schema is reloaded in test temptable-4.10.1. And tclsqlite.c
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# handles it and retries the query anyway.
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# do_test temptable-4.10.2 {
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# catchsql {
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# SELECT name FROM sqlite_master WHERE type='table'
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# } db2
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# } {1 {database schema has changed}}
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do_test temptable-4.10.3 {
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catchsql {
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SELECT name FROM sqlite_master WHERE type='table'
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} db2
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} {0 {t1 t2}}
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do_test temptable-4.11 {
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execsql {
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SELECT * FROM t2;
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} db2
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} {1 2}
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do_test temptable-4.12 {
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execsql {
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SELECT * FROM t2;
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}
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} {3 4}
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do_test temptable-4.13 {
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catchsql {
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DROP TABLE t2; -- drops TEMP.T2
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SELECT * FROM t2; -- uses MAIN.T2
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} db2
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} {0 {3 4}}
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do_test temptable-4.14 {
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execsql {
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SELECT * FROM t2;
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}
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} {3 4}
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do_test temptable-4.15 {
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db2 close
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sqlite3 db2 ./test.db
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execsql {
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SELECT * FROM t2;
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} db2
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} {3 4}
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# Now create a temporary table in db2 and a permanent index in db. The
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# temporary table in db2 should mask the name of the permanent index,
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# but the permanent index should still be accessible and should still
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# be updated when its corresponding table changes.
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#
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do_test temptable-5.1 {
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execsql {
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CREATE TEMP TABLE mask(a,b,c)
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} db2
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execsql {
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CREATE INDEX mask ON t2(x);
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SELECT * FROM t2;
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}
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} {3 4}
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#do_test temptable-5.2 {
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# catchsql {
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# SELECT * FROM t2;
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# } db2
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#} {1 {database schema has changed}}
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do_test temptable-5.3 {
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catchsql {
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SELECT * FROM t2;
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} db2
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} {0 {3 4}}
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do_test temptable-5.4 {
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execsql {
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SELECT y FROM t2 WHERE x=3
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}
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} {4}
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do_test temptable-5.5 {
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execsql {
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SELECT y FROM t2 WHERE x=3
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} db2
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} {4}
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do_test temptable-5.6 {
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execsql {
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INSERT INTO t2 VALUES(1,2);
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SELECT y FROM t2 WHERE x=1;
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} db2
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} {2}
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do_test temptable-5.7 {
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execsql {
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SELECT y FROM t2 WHERE x=3
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} db2
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} {4}
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do_test temptable-5.8 {
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execsql {
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SELECT y FROM t2 WHERE x=1;
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}
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} {2}
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do_test temptable-5.9 {
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execsql {
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SELECT y FROM t2 WHERE x=3
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}
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} {4}
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db2 close
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# Test for correct operation of read-only databases
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#
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do_test temptable-6.1 {
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execsql {
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CREATE TABLE t8(x);
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INSERT INTO t8 VALUES('xyzzy');
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SELECT * FROM t8;
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}
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} {xyzzy}
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do_test temptable-6.2 {
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db close
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catch {file attributes test.db -permissions 0444}
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catch {file attributes test.db -readonly 1}
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sqlite3 db test.db
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if {[file writable test.db]} {
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error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
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}
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execsql {
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SELECT * FROM t8;
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}
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} {xyzzy}
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do_test temptable-6.3 {
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if {[file writable test.db]} {
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error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
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}
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catchsql {
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CREATE TABLE t9(x,y);
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}
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} {1 {attempt to write a readonly database}}
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do_test temptable-6.4 {
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catchsql {
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CREATE TEMP TABLE t9(x,y);
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}
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} {0 {}}
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do_test temptable-6.5 {
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catchsql {
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INSERT INTO t9 VALUES(1,2);
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SELECT * FROM t9;
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}
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} {0 {1 2}}
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do_test temptable-6.6 {
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if {[file writable test.db]} {
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error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
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}
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catchsql {
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INSERT INTO t8 VALUES('hello');
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SELECT * FROM t8;
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}
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} {1 {attempt to write a readonly database}}
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do_test temptable-6.7 {
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catchsql {
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SELECT * FROM t8,t9;
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}
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} {0 {xyzzy 1 2}}
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do_test temptable-6.8 {
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db close
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sqlite3 db test.db
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catchsql {
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SELECT * FROM t8,t9;
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}
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} {1 {no such table: t9}}
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file delete -force test2.db test2.db-journal
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do_test temptable-7.1 {
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catchsql {
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ATTACH 'test2.db' AS two;
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CREATE TEMP TABLE two.abc(x,y);
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}
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} {1 {temporary table name must be unqualified}}
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finish_test
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