1 # 2001 September 15

     2 #

     3 # The author disclaims copyright to this source code.  In place of

     4 # a legal notice, here is a blessing:

     5 #

     6 #    May you do good and not evil.

     7 #    May you find forgiveness for yourself and forgive others.

     8 #    May you share freely, never taking more than you give.

     9 #

    10 #***********************************************************************

    11 # This file implements regression tests for SQLite library.  The

    12 # focus of this file is testing the INSERT statement that takes is

    13 # result from a SELECT.

    14 #

    15 # $Id: insert2.test,v 1.19 2008/01/16 18:20:42 danielk1977 Exp $

    16 

    17 set testdir [file dirname $argv0]

    18 source $testdir/tester.tcl

    19 

    20 # Create some tables with data that we can select against

    21 #

    22 do_test insert2-1.0 {

    23   execsql {CREATE TABLE d1(n int, log int);}

    24   for {set i 1} {$i<=20} {incr i} {

    25     for {set j 0} {(1<<$j)<$i} {incr j} {}

    26     execsql "INSERT INTO d1 VALUES($i,$j)"

    27   }

    28   execsql {SELECT * FROM d1 ORDER BY n}

    29 } {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}

    30 

    31 # Insert into a new table from the old one.

    32 #

    33 do_test insert2-1.1.1 {

    34   execsql {

    35     CREATE TABLE t1(log int, cnt int);

    36     PRAGMA count_changes=on;

    37   }

    38   ifcapable explain {

    39     execsql {

    40       EXPLAIN INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;

    41     }

    42   }

    43   execsql {

    44     INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;

    45   }

    46 } {6}

    47 do_test insert2-1.1.2 {

    48   db changes

    49 } {6}

    50 do_test insert2-1.1.3 {

    51   execsql {SELECT * FROM t1 ORDER BY log}

    52 } {0 1 1 1 2 2 3 4 4 8 5 4}

    53 

    54 ifcapable compound {

    55 do_test insert2-1.2.1 {

    56   catch {execsql {DROP TABLE t1}}

    57   execsql {

    58     CREATE TABLE t1(log int, cnt int);

    59     INSERT INTO t1 

    60        SELECT log, count(*) FROM d1 GROUP BY log

    61        EXCEPT SELECT n-1,log FROM d1;

    62   }

    63 } {4}

    64 do_test insert2-1.2.2 {

    65   execsql {

    66     SELECT * FROM t1 ORDER BY log;

    67   }

    68 } {0 1 3 4 4 8 5 4}

    69 do_test insert2-1.3.1 {

    70   catch {execsql {DROP TABLE t1}}

    71   execsql {

    72     CREATE TABLE t1(log int, cnt int);

    73     PRAGMA count_changes=off;

    74     INSERT INTO t1 

    75        SELECT log, count(*) FROM d1 GROUP BY log

    76        INTERSECT SELECT n-1,log FROM d1;

    77   }

    78 } {}

    79 do_test insert2-1.3.2 {

    80   execsql {

    81     SELECT * FROM t1 ORDER BY log;

    82   }

    83 } {1 1 2 2}

    84 } ;# ifcapable compound

    85 execsql {PRAGMA count_changes=off;}

    86 

    87 do_test insert2-1.4 {

    88   catch {execsql {DROP TABLE t1}}

    89   set r [execsql {

    90     CREATE TABLE t1(log int, cnt int);

    91     CREATE INDEX i1 ON t1(log);

    92     CREATE INDEX i2 ON t1(cnt);

    93     INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;

    94     SELECT * FROM t1 ORDER BY log;

    95   }]

    96   lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]

    97   lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]

    98 } {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}

    99 

   100 do_test insert2-2.0 {

   101   execsql {

   102     CREATE TABLE t3(a,b,c);

   103     CREATE TABLE t4(x,y);

   104     INSERT INTO t4 VALUES(1,2);

   105     SELECT * FROM t4;

   106   }

   107 } {1 2}

   108 do_test insert2-2.1 {

   109   execsql {

   110     INSERT INTO t3(a,c) SELECT * FROM t4;

   111     SELECT * FROM t3;

   112   }

   113 } {1 {} 2}

   114 do_test insert2-2.2 {

   115   execsql {

   116     DELETE FROM t3;

   117     INSERT INTO t3(c,b) SELECT * FROM t4;

   118     SELECT * FROM t3;

   119   }

   120 } {{} 2 1}

   121 do_test insert2-2.3 {

   122   execsql {

   123     DELETE FROM t3;

   124     INSERT INTO t3(c,a,b) SELECT x, 'hi', y FROM t4;

   125     SELECT * FROM t3;

   126   }

   127 } {hi 2 1}

   128 

   129 integrity_check insert2-3.0

   130 

   131 # File table t4 with lots of data

   132 #

   133 do_test insert2-3.1 {

   134   execsql {

   135     SELECT * from t4;

   136   }

   137 } {1 2}

   138 do_test insert2-3.2 {

   139   set x [db total_changes]

   140   execsql {

   141     BEGIN;

   142     INSERT INTO t4 VALUES(2,4);

   143     INSERT INTO t4 VALUES(3,6);

   144     INSERT INTO t4 VALUES(4,8);

   145     INSERT INTO t4 VALUES(5,10);

   146     INSERT INTO t4 VALUES(6,12);

   147     INSERT INTO t4 VALUES(7,14);

   148     INSERT INTO t4 VALUES(8,16);

   149     INSERT INTO t4 VALUES(9,18);

   150     INSERT INTO t4 VALUES(10,20);

   151     COMMIT;

   152   }

   153   expr [db total_changes] - $x

   154 } {9}

   155 do_test insert2-3.2.1 {

   156   execsql {

   157     SELECT count(*) FROM t4;

   158   }

   159 } {10}

   160 do_test insert2-3.3 {

   161   ifcapable subquery {

   162     execsql {

   163       BEGIN;

   164       INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;

   165       INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;

   166       INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;

   167       INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;

   168       COMMIT;

   169       SELECT count(*) FROM t4;

   170     }

   171   } else {

   172     db function max_x_t4 {execsql {SELECT max(x) FROM t4}}

   173     execsql {

   174       BEGIN;

   175       INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;

   176       INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;

   177       INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;

   178       INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;

   179       COMMIT;

   180       SELECT count(*) FROM t4;

   181     }

   182   }

   183 } {160}

   184 do_test insert2-3.4 {

   185   execsql {

   186     BEGIN;

   187     UPDATE t4 SET y='lots of data for the row where x=' || x

   188                      || ' and y=' || y || ' - even more data to fill space';

   189     COMMIT;

   190     SELECT count(*) FROM t4;

   191   }

   192 } {160}

   193 do_test insert2-3.5 {

   194   ifcapable subquery {

   195     execsql {

   196       BEGIN;

   197       INSERT INTO t4 SELECT x+(SELECT max(x)+1 FROM t4),y FROM t4;

   198       SELECT count(*) from t4;

   199       ROLLBACK;

   200     }

   201   } else {

   202     execsql {

   203       BEGIN;

   204       INSERT INTO t4 SELECT x+max_x_t4()+1,y FROM t4;

   205       SELECT count(*) from t4;

   206       ROLLBACK;

   207     }

   208   }

   209 } {320}

   210 do_test insert2-3.6 {

   211   execsql {

   212     SELECT count(*) FROM t4;

   213   }

   214 } {160}

   215 do_test insert2-3.7 {

   216   execsql {

   217     BEGIN;

   218     DELETE FROM t4 WHERE x!=123;

   219     SELECT count(*) FROM t4;

   220     ROLLBACK;

   221   }

   222 } {1}

   223 do_test insert2-3.8 {

   224   db changes

   225 } {159}

   226 integrity_check insert2-3.9

   227 

   228 # Ticket #901

   229 #

   230 ifcapable tempdb {

   231   do_test insert2-4.1 {

   232     execsql {

   233       CREATE TABLE Dependencies(depId integer primary key,

   234         class integer, name str, flag str);

   235       CREATE TEMPORARY TABLE DepCheck(troveId INT, depNum INT,

   236         flagCount INT, isProvides BOOL, class INTEGER, name STRING,

   237         flag STRING);

   238       INSERT INTO DepCheck 

   239          VALUES(-1, 0, 1, 0, 2, 'libc.so.6', 'GLIBC_2.0');

   240       INSERT INTO Dependencies 

   241          SELECT DISTINCT 

   242              NULL, 

   243              DepCheck.class, 

   244              DepCheck.name, 

   245              DepCheck.flag 

   246          FROM DepCheck LEFT OUTER JOIN Dependencies ON 

   247              DepCheck.class == Dependencies.class AND 

   248              DepCheck.name == Dependencies.name AND 

   249              DepCheck.flag == Dependencies.flag 

   250          WHERE 

   251              Dependencies.depId is NULL;

   252     };

   253   } {}

   254 }

   255 

   256 #--------------------------------------------------------------------

   257 # Test that the INSERT works when the SELECT statement (a) references

   258 # the table being inserted into and (b) is optimized to use an index

   259 # only.

   260 do_test insert2-5.1 {

   261   execsql {

   262     CREATE TABLE t2(a, b);

   263     INSERT INTO t2 VALUES(1, 2);

   264     CREATE INDEX t2i1 ON t2(a);

   265     INSERT INTO t2 SELECT a, 3 FROM t2 WHERE a = 1;

   266     SELECT * FROM t2;

   267   }

   268 } {1 2 1 3}

   269 ifcapable subquery {

   270   do_test insert2-5.2 {

   271     execsql {

   272       INSERT INTO t2 SELECT (SELECT a FROM t2), 4;

   273       SELECT * FROM t2;

   274     }

   275   } {1 2 1 3 1 4}

   276 }

   277 

   278 finish_test