# 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 1.18 2005/10/05 11:35:09 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; } ifcapable explain { execsql { EXPLAIN INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log; } } execsql { 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} ifcapable compound { 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} } ;# ifcapable compound execsql {PRAGMA count_changes=off;} 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} integrity_check insert2-3.0 # File table t4 with lots of data # do_test insert2-3.1 { execsql { SELECT * from t4; } } {1 2} do_test insert2-3.2 { set x [db total_changes] 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; } expr [db total_changes] - $x } {9} do_test insert2-3.2.1 { execsql { SELECT count(*) FROM t4; } } {10} do_test insert2-3.3 { ifcapable subquery { 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; } } else { db function max_x_t4 {execsql {SELECT max(x) FROM t4}} execsql { BEGIN; INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4; INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4; INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4; INSERT INTO t4 SELECT x+max_x_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 { ifcapable subquery { execsql { BEGIN; INSERT INTO t4 SELECT x+(SELECT max(x)+1 FROM t4),y FROM t4; SELECT count(*) from t4; ROLLBACK; } } else { execsql { BEGIN; INSERT INTO t4 SELECT x+max_x_t4()+1,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} integrity_check insert2-3.9 # Ticket #901 # ifcapable tempdb { do_test insert2-4.1 { execsql { CREATE TABLE Dependencies(depId integer primary key, class integer, name str, flag str); CREATE TEMPORARY TABLE DepCheck(troveId INT, depNum INT, flagCount INT, isProvides BOOL, class INTEGER, name STRING, flag STRING); INSERT INTO DepCheck VALUES(-1, 0, 1, 0, 2, 'libc.so.6', 'GLIBC_2.0'); INSERT INTO Dependencies SELECT DISTINCT NULL, DepCheck.class, DepCheck.name, DepCheck.flag FROM DepCheck LEFT OUTER JOIN Dependencies ON DepCheck.class == Dependencies.class AND DepCheck.name == Dependencies.name AND DepCheck.flag == Dependencies.flag WHERE Dependencies.depId is NULL; }; } {} } #-------------------------------------------------------------------- # Test that the INSERT works when the SELECT statement (a) references # the table being inserted into and (b) is optimized to use an index # only. do_test insert2-5.1 { execsql { CREATE TABLE t2(a, b); INSERT INTO t2 VALUES(1, 2); CREATE INDEX t2i1 ON t2(a); INSERT INTO t2 SELECT a, 3 FROM t2 WHERE a = 1; SELECT * FROM t2; } } {1 2 1 3} ifcapable subquery { do_test insert2-5.2 { execsql { INSERT INTO t2 SELECT (SELECT a FROM t2), 4; SELECT * FROM t2; } } {1 2 1 3 1 4} } finish_test