# 2001 October 7 # # 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. # # This file implements tests for temporary tables and indices. # # $Id: temptable.test,v 1.11 2004/02/14 16:31:04 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Create an alternative connection to the database # do_test temptable-1.0 { sqlite db2 ./test.db set dummy {} } {} # Create a permanent table. # do_test temptable-1.1 { execsql {CREATE TABLE t1(a,b,c);} execsql {INSERT INTO t1 VALUES(1,2,3);} execsql {SELECT * FROM t1} } {1 2 3} do_test temptable-1.2 { catch {db2 eval {SELECT * FROM sqlite_master}} db2 eval {SELECT * FROM t1} } {1 2 3} do_test temptable-1.3 { execsql {SELECT name FROM sqlite_master} } {t1} do_test temptable-1.4 { db2 eval {SELECT name FROM sqlite_master} } {t1} # Create a temporary table. Verify that only one of the two # processes can see it. # do_test temptable-1.5 { db2 eval { CREATE TEMP TABLE t2(x,y,z); INSERT INTO t2 VALUES(4,5,6); } db2 eval {SELECT * FROM t2} } {4 5 6} do_test temptable-1.6 { catch {execsql {SELECT * FROM sqlite_master}} catchsql {SELECT * FROM t2} } {1 {no such table: t2}} do_test temptable-1.7 { catchsql {INSERT INTO t2 VALUES(8,9,0);} } {1 {no such table: t2}} do_test temptable-1.8 { db2 eval {INSERT INTO t2 VALUES(8,9,0);} db2 eval {SELECT * FROM t2 ORDER BY x} } {4 5 6 8 9 0} do_test temptable-1.9 { db2 eval {DELETE FROM t2 WHERE x==8} db2 eval {SELECT * FROM t2 ORDER BY x} } {4 5 6} do_test temptable-1.10 { db2 eval {DELETE FROM t2} db2 eval {SELECT * FROM t2} } {} do_test temptable-1.11 { db2 eval { INSERT INTO t2 VALUES(7,6,5); INSERT INTO t2 VALUES(4,3,2); SELECT * FROM t2 ORDER BY x; } } {4 3 2 7 6 5} do_test temptable-1.12 { db2 eval {DROP TABLE t2;} set r [catch {db2 eval {SELECT * FROM t2}} msg] lappend r $msg } {1 {no such table: t2}} # Make sure temporary tables work with transactions # do_test temptable-2.1 { execsql { BEGIN TRANSACTION; CREATE TEMPORARY TABLE t2(x,y); INSERT INTO t2 VALUES(1,2); SELECT * FROM t2; } } {1 2} do_test temptable-2.2 { execsql {ROLLBACK} catchsql {SELECT * FROM t2} } {1 {no such table: t2}} do_test temptable-2.3 { execsql { BEGIN TRANSACTION; CREATE TEMPORARY TABLE t2(x,y); INSERT INTO t2 VALUES(1,2); SELECT * FROM t2; } } {1 2} do_test temptable-2.4 { execsql {COMMIT} catchsql {SELECT * FROM t2} } {0 {1 2}} do_test temptable-2.5 { set r [catch {db2 eval {SELECT * FROM t2}} msg] lappend r $msg } {1 {no such table: t2}} # Make sure indices on temporary tables are also temporary. # do_test temptable-3.1 { execsql { CREATE INDEX i2 ON t2(x); SELECT name FROM sqlite_master WHERE type='index'; } } {} do_test temptable-3.2 { execsql { SELECT y FROM t2 WHERE x=1; } } {2} do_test temptable-3.3 { execsql { DROP INDEX i2; SELECT y FROM t2 WHERE x=1; } } {2} do_test temptable-3.4 { execsql { CREATE INDEX i2 ON t2(x); DROP TABLE t2; } catchsql {DROP INDEX i2} } {1 {no such index: i2}} # Check for correct name collision processing. A name collision can # occur when process A creates a temporary table T then process B # creates a permanent table also named T. The temp table in process A # hides the existance of the permanent table. # do_test temptable-4.1 { execsql { CREATE TEMP TABLE t2(x,y); INSERT INTO t2 VALUES(10,20); SELECT * FROM t2; } db2 } {10 20} do_test temptable-4.2 { execsql { CREATE TABLE t2(x,y,z); INSERT INTO t2 VALUES(9,8,7); SELECT * FROM t2; } } {9 8 7} do_test temptable-4.3 { catchsql { SELECT * FROM t2; } db2 } {0 {10 20}} do_test temptable-4.4.1 { catchsql { SELECT * FROM temp.t2; } db2 } {0 {10 20}} do_test temptable-4.4.2 { catchsql { SELECT * FROM main.t2; } db2 } {1 {no such table: main.t2}} #do_test temptable-4.4.3 { # catchsql { # SELECT name FROM main.sqlite_master WHERE type='table'; # } db2 #} {1 {database schema has changed}} do_test temptable-4.4.4 { catchsql { SELECT name FROM main.sqlite_master WHERE type='table'; } db2 } {0 {t1 t2}} do_test temptable-4.4.5 { catchsql { SELECT * FROM main.t2; } db2 } {0 {9 8 7}} do_test temptable-4.4.6 { # TEMP takes precedence over MAIN catchsql { SELECT * FROM t2; } db2 } {0 {10 20}} do_test temptable-4.5 { catchsql { DROP TABLE t2; -- should drop TEMP SELECT * FROM t2; -- data should be from MAIN } db2 } {0 {9 8 7}} do_test temptable-4.6 { db2 close sqlite db2 ./test.db catchsql { SELECT * FROM t2; } db2 } {0 {9 8 7}} do_test temptable-4.7 { catchsql { DROP TABLE t2; SELECT * FROM t2; } } {1 {no such table: t2}} do_test temptable-4.8 { db2 close sqlite db2 ./test.db execsql { CREATE TEMP TABLE t2(x unique,y); INSERT INTO t2 VALUES(1,2); SELECT * FROM t2; } db2 } {1 2} do_test temptable-4.9 { execsql { CREATE TABLE t2(x unique, y); INSERT INTO t2 VALUES(3,4); SELECT * FROM t2; } } {3 4} do_test temptable-4.10.1 { catchsql { SELECT * FROM t2; } db2 } {0 {1 2}} #do_test temptable-4.10.2 { # catchsql { # SELECT name FROM sqlite_master WHERE type='table' # } db2 #} {1 {database schema has changed}} do_test temptable-4.10.3 { catchsql { SELECT name FROM sqlite_master WHERE type='table' } db2 } {0 {t1 t2}} do_test temptable-4.11 { execsql { SELECT * FROM t2; } db2 } {1 2} do_test temptable-4.12 { execsql { SELECT * FROM t2; } } {3 4} do_test temptable-4.13 { catchsql { DROP TABLE t2; -- drops TEMP.T2 SELECT * FROM t2; -- uses MAIN.T2 } db2 } {0 {3 4}} do_test temptable-4.14 { execsql { SELECT * FROM t2; } } {3 4} do_test temptable-4.15 { db2 close sqlite db2 ./test.db execsql { SELECT * FROM t2; } db2 } {3 4} # Now create a temporary table in db2 and a permanent index in db. The # temporary table in db2 should mask the name of the permanent index, # but the permanent index should still be accessible and should still # be updated when its corresponding table changes. # do_test temptable-5.1 { execsql { CREATE TEMP TABLE mask(a,b,c) } db2 execsql { CREATE INDEX mask ON t2(x); SELECT * FROM t2; } } {3 4} #do_test temptable-5.2 { # catchsql { # SELECT * FROM t2; # } db2 #} {1 {database schema has changed}} do_test temptable-5.3 { catchsql { SELECT * FROM t2; } db2 } {0 {3 4}} do_test temptable-5.4 { execsql { SELECT y FROM t2 WHERE x=3 } } {4} do_test temptable-5.5 { execsql { SELECT y FROM t2 WHERE x=3 } db2 } {4} do_test temptable-5.6 { execsql { INSERT INTO t2 VALUES(1,2); SELECT y FROM t2 WHERE x=1; } db2 } {2} do_test temptable-5.7 { execsql { SELECT y FROM t2 WHERE x=3 } db2 } {4} do_test temptable-5.8 { execsql { SELECT y FROM t2 WHERE x=1; } } {2} do_test temptable-5.9 { execsql { SELECT y FROM t2 WHERE x=3 } } {4} db2 close # Test for correct operation of read-only databases # do_test temptable-6.1 { execsql { CREATE TABLE t8(x); INSERT INTO t8 VALUES('xyzzy'); SELECT * FROM t8; } } {xyzzy} do_test temptable-6.2 { db close catch {file attributes test.db -permissions 0444} catch {file attributes test.db -readonly 1} sqlite db test.db if {[file writable test.db]} { error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user" } execsql { SELECT * FROM t8; } } {xyzzy} do_test temptable-6.3 { if {[file writable test.db]} { error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user" } catchsql { CREATE TABLE t9(x,y); } } {1 {attempt to write a readonly database}} do_test temptable-6.4 { catchsql { CREATE TEMP TABLE t9(x,y); } } {0 {}} do_test temptable-6.5 { catchsql { INSERT INTO t9 VALUES(1,2); SELECT * FROM t9; } } {0 {1 2}} do_test temptable-6.6 { if {[file writable test.db]} { error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user" } catchsql { INSERT INTO t8 VALUES('hello'); SELECT * FROM t8; } } {1 {attempt to write a readonly database}} do_test temptable-6.7 { catchsql { SELECT * FROM t8,t9; } } {0 {xyzzy 1 2}} do_test temptable-6.8 { db close sqlite db test.db catchsql { SELECT * FROM t8,t9; } } {1 {no such table: t9}} finish_test