gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/insert3.test (about)

     1  # 2005 January 13
     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 corner cases of the INSERT statement.
    13  #
    14  # $Id: insert3.test,v 1.9 2009/04/23 14:58:40 danielk1977 Exp $
    15  
    16  set testdir [file dirname $argv0]
    17  source $testdir/tester.tcl
    18  
    19  # All the tests in this file require trigger support
    20  #
    21  ifcapable {trigger} {
    22  
    23  # Create a table and a corresponding insert trigger.  Do a self-insert
    24  # into the table.
    25  #
    26  do_test insert3-1.0 {
    27    execsql {
    28      CREATE TABLE t1(a,b);
    29      CREATE TABLE log(x UNIQUE, y);
    30      CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
    31        UPDATE log SET y=y+1 WHERE x=new.a;
    32        INSERT OR IGNORE INTO log VALUES(new.a, 1);
    33      END;
    34      INSERT INTO t1 VALUES('hello','world');
    35      INSERT INTO t1 VALUES(5,10);
    36      SELECT * FROM log ORDER BY x;
    37    }
    38  } {5 1 hello 1}
    39  do_test insert3-1.1 {
    40    execsql {
    41      INSERT INTO t1 SELECT a, b+10 FROM t1;
    42      SELECT * FROM log ORDER BY x;
    43    }
    44  } {5 2 hello 2}
    45  do_test insert3-1.2 {
    46    execsql {
    47      CREATE TABLE log2(x PRIMARY KEY,y);
    48      CREATE TRIGGER r2 BEFORE INSERT ON t1 BEGIN
    49        UPDATE log2 SET y=y+1 WHERE x=new.b;
    50        INSERT OR IGNORE INTO log2 VALUES(new.b,1);
    51      END;
    52      INSERT INTO t1 VALUES(453,'hi');
    53      SELECT * FROM log ORDER BY x;
    54    }
    55  } {5 2 453 1 hello 2}
    56  do_test insert3-1.3 {
    57    execsql {
    58      SELECT * FROM log2 ORDER BY x;
    59    }
    60  } {hi 1}
    61  ifcapable compound {
    62    do_test insert3-1.4.1 {
    63      execsql {
    64        INSERT INTO t1 SELECT * FROM t1;
    65        SELECT 'a:', x, y FROM log UNION ALL 
    66            SELECT 'b:', x, y FROM log2 ORDER BY x;
    67      }
    68    } {a: 5 4 b: 10 2 b: 20 1 a: 453 2 a: hello 4 b: hi 2 b: world 1}
    69    do_test insert3-1.4.2 {
    70      execsql {
    71        SELECT 'a:', x, y FROM log UNION ALL 
    72            SELECT 'b:', x, y FROM log2 ORDER BY x, y;
    73      }
    74    } {a: 5 4 b: 10 2 b: 20 1 a: 453 2 a: hello 4 b: hi 2 b: world 1}
    75    do_test insert3-1.5 {
    76      execsql {
    77        INSERT INTO t1(a) VALUES('xyz');
    78        SELECT * FROM log ORDER BY x;
    79      }
    80    } {5 4 453 2 hello 4 xyz 1}
    81  }
    82  
    83  do_test insert3-2.1 {
    84    execsql {
    85      CREATE TABLE t2(
    86        a INTEGER PRIMARY KEY,
    87        b DEFAULT 'b',
    88        c DEFAULT 'c'
    89      );
    90      CREATE TABLE t2dup(a,b,c);
    91      CREATE TRIGGER t2r1 BEFORE INSERT ON t2 BEGIN
    92        INSERT INTO t2dup(a,b,c) VALUES(new.a,new.b,new.c);
    93      END;
    94      INSERT INTO t2(a) VALUES(123);
    95      INSERT INTO t2(b) VALUES(234);
    96      INSERT INTO t2(c) VALUES(345);
    97      SELECT * FROM t2dup;
    98    }
    99  } {123 b c -1 234 c -1 b 345}
   100  do_test insert3-2.2 {
   101    execsql {
   102      DELETE FROM t2dup;
   103      INSERT INTO t2(a) SELECT 1 FROM t1 LIMIT 1;
   104      INSERT INTO t2(b) SELECT 987 FROM t1 LIMIT 1;
   105      INSERT INTO t2(c) SELECT 876 FROM t1 LIMIT 1;
   106      SELECT * FROM t2dup;
   107    }
   108  } {1 b c -1 987 c -1 b 876}
   109  
   110  # Test for proper detection of malformed WHEN clauses on INSERT triggers.
   111  #
   112  do_test insert3-3.1 {
   113    execsql {
   114      CREATE TABLE t3(a,b,c);
   115      CREATE TRIGGER t3r1 BEFORE INSERT on t3 WHEN nosuchcol BEGIN
   116        SELECT 'illegal WHEN clause';
   117      END;
   118    }
   119  } {}
   120  do_test insert3-3.2 {
   121    catchsql {
   122      INSERT INTO t3 VALUES(1,2,3)
   123    }
   124  } {1 {no such column: nosuchcol}}
   125  do_test insert3-3.3 {
   126    execsql {
   127      CREATE TABLE t4(a,b,c);
   128      CREATE TRIGGER t4r1 AFTER INSERT on t4 WHEN nosuchcol BEGIN
   129        SELECT 'illegal WHEN clause';
   130      END;
   131    }
   132  } {}
   133  do_test insert3-3.4 {
   134    catchsql {
   135      INSERT INTO t4 VALUES(1,2,3)
   136    }
   137  } {1 {no such column: nosuchcol}}
   138  
   139  } ;# ifcapable {trigger}
   140  
   141  # Tests for the INSERT INTO ... DEFAULT VALUES construct
   142  #
   143  do_test insert3-3.5 {
   144    execsql {
   145      CREATE TABLE t5(
   146        a INTEGER PRIMARY KEY,
   147        b DEFAULT 'xyz'
   148      );
   149      INSERT INTO t5 DEFAULT VALUES;
   150      SELECT * FROM t5;
   151    }
   152  } {1 xyz}
   153  do_test insert3-3.6 {
   154    execsql {
   155      INSERT INTO t5 DEFAULT VALUES;
   156      SELECT * FROM t5;
   157    }
   158  } {1 xyz 2 xyz}
   159  
   160  ifcapable bloblit {
   161    do_test insert3-3.7 {
   162      execsql {
   163        CREATE TABLE t6(x,y DEFAULT 4.3, z DEFAULT x'6869');
   164        INSERT INTO t6 DEFAULT VALUES;
   165        SELECT * FROM t6;
   166      }
   167    } {{} 4.3 hi}
   168  }
   169  
   170  foreach tab [db eval {SELECT name FROM sqlite_master WHERE type = 'table'}] {
   171    db eval "DROP TABLE $tab"
   172  }
   173  db close
   174  sqlite3 db test.db
   175  
   176  #-------------------------------------------------------------------------
   177  # While developing tests for a different feature (savepoint) the following
   178  # sequence was found to cause an assert() in btree.c to fail. These
   179  # tests are included to ensure that that bug is fixed.
   180  #
   181  do_test insert3-4.1 {
   182    execsql { 
   183      CREATE TABLE t1(a, b, c);
   184      CREATE INDEX i1 ON t1(a, b);
   185      BEGIN;
   186      INSERT INTO t1 VALUES(randstr(10,400),randstr(10,400),randstr(10,400));
   187    }
   188    set r "randstr(10,400)"
   189    for {set ii 0} {$ii < 10} {incr ii} {
   190      execsql "INSERT INTO t1 SELECT $r, $r, $r FROM t1"
   191    }
   192    execsql { COMMIT }
   193  } {}
   194  do_test insert3-4.2 {
   195    execsql {
   196      PRAGMA cache_size = 10;
   197      BEGIN;
   198        UPDATE t1 SET a = randstr(10,10) WHERE (rowid%4)==0;
   199        DELETE FROM t1 WHERE rowid%2;
   200        INSERT INTO t1 SELECT randstr(10,400), randstr(10,400), c FROM t1;
   201      COMMIT;
   202    }
   203  } {}
   204  
   205  finish_test