# 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 1.8 2002/03/03 02:49:52 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 { 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; 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} finish_test