autoinc.test

一个小型的嵌入式数据库

# 2004 November 12
#
# 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 script is testing the AUTOINCREMENT features.
#
# $Id: autoinc.test,v 1.4 2005/02/17 00:03:07 drh Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# If the library is not compiled with autoincrement support then
# skip all tests in this file.
#
ifcapable {!autoinc} {
  finish_test
  return
}

# The database is initially empty.
#
do_test autoinc-1.1 {
  execsql {
    SELECT name FROM sqlite_master WHERE type='table';
  }
} {}

# Add a table with the AUTOINCREMENT feature.  Verify that the
# SQLITE_SEQUENCE table gets created.
#
do_test autoinc-1.2 {
  execsql {
    CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
    SELECT name FROM sqlite_master WHERE type='table';
  }
} {t1 sqlite_sequence}

# The SQLITE_SEQUENCE table is initially empty
#
do_test autoinc-1.3 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {}

# Close and reopen the database.  Verify that everything is still there.
#
do_test autoinc-1.4 {
  db close
  sqlite3 db test.db
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {}

# We are not allowed to drop the sqlite_sequence table.
#
do_test autoinc-1.5 {
  catchsql {DROP TABLE sqlite_sequence}
} {1 {table sqlite_sequence may not be dropped}}
do_test autoinc-1.6 {
  execsql {SELECT name FROM sqlite_master WHERE type='table'}
} {t1 sqlite_sequence}

# Insert an entries into the t1 table and make sure the largest key
# is always recorded in the sqlite_sequence table.
#
do_test autoinc-2.1 {
  execsql {
    SELECT * FROM sqlite_sequence
  }
} {}
do_test autoinc-2.2 {
  execsql {
    INSERT INTO t1 VALUES(12,34);
    SELECT * FROM sqlite_sequence;
  }
} {t1 12}
do_test autoinc-2.3 {
  execsql {
    INSERT INTO t1 VALUES(1,23);
    SELECT * FROM sqlite_sequence;
  }
} {t1 12}
do_test autoinc-2.4 {
  execsql {
    INSERT INTO t1 VALUES(123,456);
    SELECT * FROM sqlite_sequence;
  }
} {t1 123}
do_test autoinc-2.5 {
  execsql {
    INSERT INTO t1 VALUES(NULL,567);
    SELECT * FROM sqlite_sequence;
  }
} {t1 124}
do_test autoinc-2.6 {
  execsql {
    DELETE FROM t1 WHERE y=567;
    SELECT * FROM sqlite_sequence;
  }
} {t1 124}
do_test autoinc-2.7 {
  execsql {
    INSERT INTO t1 VALUES(NULL,567);
    SELECT * FROM sqlite_sequence;
  }
} {t1 125}
do_test autoinc-2.8 {
  execsql {
    DELETE FROM t1;
    SELECT * FROM sqlite_sequence;
  }
} {t1 125}
do_test autoinc-2.9 {
  execsql {
    INSERT INTO t1 VALUES(12,34);
    SELECT * FROM sqlite_sequence;
  }
} {t1 125}
do_test autoinc-2.10 {
  execsql {
    INSERT INTO t1 VALUES(125,456);
    SELECT * FROM sqlite_sequence;
  }
} {t1 125}
do_test autoinc-2.11 {
  execsql {
    INSERT INTO t1 VALUES(-1234567,-1);
    SELECT * FROM sqlite_sequence;
  }
} {t1 125}
do_test autoinc-2.12 {
  execsql {
    INSERT INTO t1 VALUES(234,5678);
    SELECT * FROM sqlite_sequence;
  }
} {t1 234}
do_test autoinc-2.13 {
  execsql {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(NULL,1);
    SELECT * FROM sqlite_sequence;
  }
} {t1 235}
do_test autoinc-2.14 {
  execsql {
    SELECT * FROM t1;
  }
} {235 1}

# Manually change the autoincrement values in sqlite_sequence.
#
do_test autoinc-2.20 {
  execsql {
    UPDATE sqlite_sequence SET seq=1234 WHERE name='t1';
    INSERT INTO t1 VALUES(NULL,2);
    SELECT * FROM t1;
  }
} {235 1 1235 2}
do_test autoinc-2.21 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {t1 1235}
do_test autoinc-2.22 {
  execsql {
    UPDATE sqlite_sequence SET seq=NULL WHERE name='t1';
    INSERT INTO t1 VALUES(NULL,3);
    SELECT * FROM t1;
  }
} {235 1 1235 2 1236 3}
do_test autoinc-2.23 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {t1 1236}
do_test autoinc-2.24 {
  execsql {
    UPDATE sqlite_sequence SET seq='a-string' WHERE name='t1';
    INSERT INTO t1 VALUES(NULL,4);
    SELECT * FROM t1;
  }
} {235 1 1235 2 1236 3 1237 4}
do_test autoinc-2.25 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {t1 1237}
do_test autoinc-2.26 {
  execsql {
    DELETE FROM sqlite_sequence WHERE name='t1';
    INSERT INTO t1 VALUES(NULL,5);
    SELECT * FROM t1;
  }
} {235 1 1235 2 1236 3 1237 4 1238 5}
do_test autoinc-2.27 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {t1 1238}
do_test autoinc-2.28 {
  execsql {
    UPDATE sqlite_sequence SET seq='12345678901234567890'
      WHERE name='t1';
    INSERT INTO t1 VALUES(NULL,6);
    SELECT * FROM t1;
  }
} {235 1 1235 2 1236 3 1237 4 1238 5 1239 6}
do_test autoinc-2.29 {
  execsql {
    SELECT * FROM sqlite_sequence;
  }
} {t1 1239}

# Test multi-row inserts
#
do_test autoinc-2.50 {
  execsql {
    DELETE FROM t1 WHERE y>=3;
    INSERT INTO t1 SELECT NULL, y+2 FROM t1;
    SELECT * FROM t1;
  }
} {235 1 1235 2 1240 3 1241 4}
do_test autoinc-2.51 {
  execsql {
    SELECT * FROM sqlite_sequence
  }
} {t1 1241}
do_test autoinc-2.52 {
  execsql {
    CREATE TEMP TABLE t2 AS SELECT y FROM t1;
    INSERT INTO t1 SELECT NULL, y+4 FROM t2;
    SELECT * FROM t1;
  }
} {235 1 1235 2 1240 3 1241 4 1242 5 1243 6 1244 7 1245 8}
do_test autoinc-2.53 {
  execsql {
    SELECT * FROM sqlite_sequence
  }
} {t1 1245}
do_test autoinc-2.54 {
  execsql {
    DELETE FROM t1;
    INSERT INTO t1 SELECT NULL, y FROM t2;
    SELECT * FROM t1;
  }
} {1246 1 1247 2 1248 3 1249 4}
do_test autoinc-2.55 {
  execsql {
    SELECT * FROM sqlite_sequence
  }
} {t1 1249}

# Create multiple AUTOINCREMENT tables.  Make sure all sequences are
# tracked separately and do not interfere with one another.
#
do_test autoinc-2.70 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(d, e INTEGER PRIMARY KEY AUTOINCREMENT, f);
    INSERT INTO t2(d) VALUES(1);
    SELECT * FROM sqlite_sequence;
  }
} {t1 1249 t2 1}
do_test autoinc-2.71 {
  execsql {
    INSERT INTO t2(d) VALUES(2);
    SELECT * FROM sqlite_sequence;
  }
} {t1 1249 t2 2}
do_test autoinc-2.72 {
  execsql {
    INSERT INTO t1(x) VALUES(10000);
    SELECT * FROM sqlite_sequence;
  }
} {t1 10000 t2 2}
do_test autoinc-2.73 {
  execsql {
    CREATE TABLE t3(g INTEGER PRIMARY KEY AUTOINCREMENT, h);
    INSERT INTO t3(h) VALUES(1);
    SELECT * FROM sqlite_sequence;
  }
} {t1 10000 t2 2 t3 1}
do_test autoinc-2.74 {
  execsql {
    INSERT INTO t2(d,e) VALUES(3,100);
    SELECT * FROM sqlite_sequence;
  }
} {t1 10000 t2 100 t3 1}


# When a table with an AUTOINCREMENT is deleted, the corresponding entry
# in the SQLITE_SEQUENCE table should also be deleted.  But the SQLITE_SEQUENCE
# table itself should remain behind.
#
do_test autoinc-3.1 {
  execsql {SELECT name FROM sqlite_sequence}
} {t1 t2 t3}
do_test autoinc-3.2 {
  execsql {
    DROP TABLE t1;
    SELECT name FROM sqlite_sequence;
  }
} {t2 t3}
do_test autoinc-3.3 {
  execsql {
    DROP TABLE t3;
    SELECT name FROM sqlite_sequence;
  }
} {t2}
do_test autoinc-3.4 {
  execsql {
    DROP TABLE t2;
    SELECT name FROM sqlite_sequence;
  }
} {}

# AUTOINCREMENT on TEMP tables.
#
do_test autoinc-4.1 {
  execsql {
    SELECT 1, name FROM sqlite_master WHERE type='table';
    SELECT 2, name FROM sqlite_temp_master WHERE type='table';
  }
} {1 sqlite_sequence}
do_test autoinc-4.2 {
  execsql {
    CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
    CREATE TEMP TABLE t3(a INTEGER PRIMARY KEY AUTOINCREMENT, b);
    SELECT 1, name FROM sqlite_master WHERE type='table';
    SELECT 2, name FROM sqlite_temp_master WHERE type='table';
  }
} {1 sqlite_sequence 1 t1 2 t3 2 sqlite_sequence}
do_test autoinc-4.3 {
  execsql {
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {}
do_test autoinc-4.4 {
  execsql {
    INSERT INTO t1 VALUES(10,1);
    INSERT INTO t3 VALUES(20,2);
    INSERT INTO t1 VALUES(NULL,3);
    INSERT INTO t3 VALUES(NULL,4);
  }
} {}

ifcapable compound {
do_test autoinc-4.4.1 {
  execsql {
    SELECT * FROM t1 UNION ALL SELECT * FROM t3;
  }
} {10 1 11 3 20 2 21 4}
} ;# ifcapable compound

do_test autoinc-4.5 {
  execsql {
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {1 t1 11 2 t3 21}
do_test autoinc-4.6 {
  execsql {
    INSERT INTO t1 SELECT * FROM t3;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {1 t1 21 2 t3 21}
do_test autoinc-4.7 {
  execsql {
    INSERT INTO t3 SELECT x+100, y  FROM t1;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {1 t1 21 2 t3 121}
do_test autoinc-4.8 {
  execsql {
    DROP TABLE t3;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {1 t1 21}
do_test autoinc-4.9 {
  execsql {
    CREATE TEMP TABLE t2(p INTEGER PRIMARY KEY AUTOINCREMENT, q);
    INSERT INTO t2 SELECT * FROM t1;
    DROP TABLE t1;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {2 t2 21}
do_test autoinc-4.10 {
  execsql {
    DROP TABLE t2;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
  }
} {}

# Make sure AUTOINCREMENT works on ATTACH-ed tables.
#
do_test autoinc-5.1 {
  file delete -force test2.db
  file delete -force test2.db-journal
  sqlite3 db2 test2.db
  execsql {
    CREATE TABLE t4(m INTEGER PRIMARY KEY AUTOINCREMENT, n);
    CREATE TABLE t5(o, p INTEGER PRIMARY KEY AUTOINCREMENT);
  } db2;
  execsql {
    ATTACH 'test2.db' as aux;
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
    SELECT 3, * FROM aux.sqlite_sequence;
  }
} {}
do_test autoinc-5.2 {
  execsql {
    INSERT INTO t4 VALUES(NULL,1);
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
    SELECT 3, * FROM aux.sqlite_sequence;
  }
} {3 t4 1}
do_test autoinc-5.3 {
  execsql {
    INSERT INTO t5 VALUES(100,200);
    SELECT * FROM sqlite_sequence
  } db2
} {t4 1 t5 200}
do_test autoinc-5.4 {
  execsql {
    SELECT 1, * FROM main.sqlite_sequence;
    SELECT 2, * FROM temp.sqlite_sequence;
    SELECT 3, * FROM aux.sqlite_sequence;
  }
} {3 t4 1 3 t5 200}

# Requirement REQ00310:  Make sure an insert fails if the sequence is
# already at its maximum value.
#
ifcapable {rowid32} {
  do_test autoinc-6.1 {
    execsql {
      CREATE TABLE t6(v INTEGER PRIMARY KEY AUTOINCREMENT, w);
      INSERT INTO t6 VALUES(2147483647,1);
      SELECT seq FROM main.sqlite_sequence WHERE name='t6';
    }
  } 2147483647
}
ifcapable {!rowid32} {
  do_test autoinc-6.1 {
    execsql {
      CREATE TABLE t6(v INTEGER PRIMARY KEY AUTOINCREMENT, w);
      INSERT INTO t6 VALUES(9223372036854775807,1);
      SELECT seq FROM main.sqlite_sequence WHERE name='t6';
    }
  } 9223372036854775807
}
do_test autoinc-6.2 {
  catchsql {
    INSERT INTO t6 VALUES(NULL,1);
  }
} {1 {database is full}}

# Allow the AUTOINCREMENT keyword inside the parentheses
# on a separate PRIMARY KEY designation.
#
do_test autoinc-7.1 {
  execsql {
    CREATE TABLE t7(x INTEGER, y REAL, PRIMARY KEY(x AUTOINCREMENT));
    INSERT INTO t7(y) VALUES(123);
    INSERT INTO t7(y) VALUES(234);
    DELETE FROM t7;
    INSERT INTO t7(y) VALUES(345);
    SELECT * FROM t7;
  }
} {3 345}

# Test that if the AUTOINCREMENT is applied to a non integer primary key
# the error message is sensible.
do_test autoinc-7.2 {
  catchsql {
    CREATE TABLE t8(x TEXT PRIMARY KEY AUTOINCREMENT);
  }
} {1 {AUTOINCREMENT is only allowed on an INTEGER PRIMARY KEY}}

catch {db2 close}
finish_test