# 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 compoundexecsql {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