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+# 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 1.21 2009/06/16 17:49:36 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !tempdb {
+ finish_test
+ return
+}
+
+# Create an alternative connection to the database
+#
+do_test temptable-1.0 {
+ sqlite3 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 existence 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
+} {0 {9 8 7}}
+#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
+ sqlite3 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
+ sqlite3 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}}
+# Update: The schema is reloaded in test temptable-4.10.1. And tclsqlite.c
+# handles it and retries the query anyway.
+# 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
+ sqlite3 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
+ if {[permutation]=="prepare"} { db2 cache flush }
+ 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}
+ sqlite3 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
+ sqlite3 db test.db
+ catchsql {
+ SELECT * FROM t8,t9;
+ }
+} {1 {no such table: t9}}
+
+forcedelete test2.db test2.db-journal
+ifcapable attach {
+ do_test temptable-7.1 {
+ catchsql {
+ ATTACH 'test2.db' AS two;
+ CREATE TEMP TABLE two.abc(x,y);
+ }
+ } {1 {temporary table name must be unqualified}}
+}
+
+# Need to do the following for tcl 8.5 on mac. On that configuration, the
+# -readonly flag is taken so seriously that a subsequent [forcedelete]
+# (required before the next test file can be executed) will fail.
+#
+catch {file attributes test.db -readonly 0}
+
+do_test temptable-8.0 {
+ db close
+ catch {forcedelete test.db}
+ sqlite3 db test.db
+} {}
+do_test temptable-8.1 {
+ execsql { CREATE TEMP TABLE tbl2(a, b); }
+ execsql {
+ CREATE TABLE tbl(a, b);
+ INSERT INTO tbl VALUES(1, 2);
+ }
+ execsql {SELECT * FROM tbl}
+} {1 2}
+do_test temptable-8.2 {
+ execsql { CREATE TEMP TABLE tbl(a, b); }
+ execsql {SELECT * FROM tbl}
+} {}
+
+finish_test
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 19:26:27 +0000