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# 2001 September 15
#
# 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 INSERT statement that takes is
# result from a SELECT.
#
# $Id: insert2.test,v 1.9 2002/04/12 10:09:00 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Create some tables with data that we can select against
#
do_test insert2-1.0 {
execsql {CREATE TABLE d1(n int, log int);}
for {set i 1} {$i<=20} {incr i} {
for {set j 0} {pow(2,$j)<$i} {incr j} {}
execsql "INSERT INTO d1 VALUES($i,$j)"
}
execsql {SELECT * FROM d1 ORDER BY n}
} {1 0 2 1 3 2 4 2 5 3 6 3 7 3 8 3 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 18 5 19 5 20 5}
# Insert into a new table from the old one.
#
do_test insert2-1.1.1 {
execsql {
CREATE TABLE t1(log int, cnt int);
PRAGMA count_changes=on;
INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
}
} {6}
do_test insert2-1.1.2 {
db changes
} {6}
do_test insert2-1.1.3 {
execsql {SELECT * FROM t1 ORDER BY log}
} {0 1 1 1 2 2 3 4 4 8 5 4}
do_test insert2-1.2.1 {
catch {execsql {DROP TABLE t1}}
execsql {
CREATE TABLE t1(log int, cnt int);
INSERT INTO t1
SELECT log, count(*) FROM d1 GROUP BY log
EXCEPT SELECT n-1,log FROM d1;
}
} {4}
do_test insert2-1.2.2 {
execsql {
SELECT * FROM t1 ORDER BY log;
}
} {0 1 3 4 4 8 5 4}
do_test insert2-1.3.1 {
catch {execsql {DROP TABLE t1}}
execsql {
CREATE TABLE t1(log int, cnt int);
PRAGMA count_changes=off;
INSERT INTO t1
SELECT log, count(*) FROM d1 GROUP BY log
INTERSECT SELECT n-1,log FROM d1;
}
} {}
do_test insert2-1.3.2 {
execsql {
SELECT * FROM t1 ORDER BY log;
}
} {1 1 2 2}
do_test insert2-1.4 {
catch {execsql {DROP TABLE t1}}
set r [execsql {
CREATE TABLE t1(log int, cnt int);
CREATE INDEX i1 ON t1(log);
CREATE INDEX i2 ON t1(cnt);
INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
SELECT * FROM t1 ORDER BY log;
}]
lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}
do_test insert2-2.0 {
execsql {
CREATE TABLE t3(a,b,c);
CREATE TABLE t4(x,y);
INSERT INTO t4 VALUES(1,2);
SELECT * FROM t4;
}
} {1 2}
do_test insert2-2.1 {
execsql {
INSERT INTO t3(a,c) SELECT * FROM t4;
SELECT * FROM t3;
}
} {1 {} 2}
do_test insert2-2.2 {
execsql {
DELETE FROM t3;
INSERT INTO t3(c,b) SELECT * FROM t4;
SELECT * FROM t3;
}
} {{} 2 1}
do_test insert2-2.3 {
execsql {
DELETE FROM t3;
INSERT INTO t3(c,a,b) SELECT x, 'hi', y FROM t4;
SELECT * FROM t3;
}
} {hi 2 1}
do_test insert2-3.0 {
set x [execsql {PRAGMA integrity_check}]
if {$x==""} {set x ok}
set x
} {ok}
# File table t4 with lots of data
#
do_test insert2-3.1 {
execsql {
SELECT * from t4;
}
} {1 2}
do_test insert2-3.2 {
execsql {
BEGIN;
INSERT INTO t4 VALUES(2,4);
INSERT INTO t4 VALUES(3,6);
INSERT INTO t4 VALUES(4,8);
INSERT INTO t4 VALUES(5,10);
INSERT INTO t4 VALUES(6,12);
INSERT INTO t4 VALUES(7,14);
INSERT INTO t4 VALUES(8,16);
INSERT INTO t4 VALUES(9,18);
INSERT INTO t4 VALUES(10,20);
COMMIT;
}
db changes
} {9}
do_test insert2-3.2.1 {
execsql {
SELECT count(*) FROM t4;
}
} {10}
do_test insert2-3.3 {
execsql {
BEGIN;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
COMMIT;
SELECT count(*) FROM t4;
}
} {160}
do_test insert2-3.4 {
execsql {
BEGIN;
UPDATE t4 SET y='lots of data for the row where x=' || x
|| ' and y=' || y || ' - even more data to fill space';
COMMIT;
SELECT count(*) FROM t4;
}
} {160}
do_test insert2-3.5 {
execsql {
BEGIN;
INSERT INTO t4 SELECT x+(SELECT max(x)+1 FROM t4),y FROM t4;
SELECT count(*) from t4;
ROLLBACK;
}
} {320}
do_test insert2-3.6 {
execsql {
SELECT count(*) FROM t4;
}
} {160}
do_test insert2-3.7 {
execsql {
BEGIN;
DELETE FROM t4 WHERE x!=123;
SELECT count(*) FROM t4;
ROLLBACK;
}
} {1}
do_test insert2-3.8 {
db changes
} {159}
finish_test
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