misc2.test

sqlite数据库源码

# 2003 June 21
#
# 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.
#
# This file implements tests for miscellanous features that were
# left out of other test files.
#
# $Id: misc2.test,v 1.11 2003/12/17 23:57:36 drh Exp $

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

# Test for ticket #360
#
do_test misc2-1.1 {
  catchsql {
    CREATE TABLE FOO(bar integer);
    CREATE TRIGGER foo_insert BEFORE INSERT ON foo BEGIN
      SELECT CASE WHEN (NOT new.bar BETWEEN 0 AND 20)
             THEN raise(rollback, 'aiieee') END;
    END;
    INSERT INTO foo(bar) VALUES (1);
  }
} {0 {}}
do_test misc2-1.2 {
  catchsql {
    INSERT INTO foo(bar) VALUES (111);
  }
} {1 aiieee}

# Make sure ROWID works on a view and a subquery.  Ticket #364
#
do_test misc2-2.1 {
  execsql {
    CREATE TABLE t1(a,b,c);
    INSERT INTO t1 VALUES(1,2,3);
    CREATE TABLE t2(a,b,c);
    INSERT INTO t2 VALUES(7,8,9);
    SELECT rowid, * FROM (SELECT * FROM t1, t2);
  }
} {{} 1 2 3 7 8 9}
do_test misc2-2.2 {
  execsql {
    CREATE VIEW v1 AS SELECT * FROM t1, t2;
    SELECT rowid, * FROM v1;
  }
} {{} 1 2 3 7 8 9}

# Check name binding precedence.  Ticket #387
#
do_test misc2-3.1 {
  catchsql {
    SELECT t1.b+t2.b AS a, t1.a, t2.a FROM t1, t2 WHERE a==10
  }
} {1 {ambiguous column name: a}}

# Make sure 32-bit integer overflow is handled properly in queries.
# ticket #408
#
do_test misc2-4.1 {
  execsql {
    INSERT INTO t1 VALUES(4000000000,'a','b');
    SELECT a FROM t1 WHERE a>1;
  }
} {4000000000}
do_test misc2-4.2 {
  execsql {
    INSERT INTO t1 VALUES(2147483648,'b2','c2');
    INSERT INTO t1 VALUES(2147483647,'b3','c3');
    SELECT a FROM t1 WHERE a>2147483647;
  }
} {4000000000 2147483648}
do_test misc2-4.3 {
  execsql {
    SELECT a FROM t1 WHERE a<2147483648;
  }
} {1 2147483647}
do_test misc2-4.4 {
  execsql {
    SELECT a FROM t1 WHERE a<=2147483648;
  }
} {1 2147483648 2147483647}
do_test misc2-4.5 {
  execsql {
    SELECT a FROM t1 WHERE a<10000000000;
  }
} {1 4000000000 2147483648 2147483647}
do_test misc2-4.6 {
  execsql {
    SELECT a FROM t1 WHERE a<1000000000000 ORDER BY 1;
  }
} {1 2147483647 2147483648 4000000000}

# There were some issues with expanding a SrcList object using a call
# to sqliteSrcListAppend() if the SrcList had previously been duplicated
# using a call to sqliteSrcListDup().  Ticket #416.  The following test
# makes sure the problem has been fixed.
#
do_test misc2-5.1 {
  execsql {
    CREATE TABLE x(a,b);
    CREATE VIEW y AS 
      SELECT x1.b AS p, x2.b AS q FROM x AS x1, x AS x2 WHERE x1.a=x2.a;
    CREATE VIEW z AS
      SELECT y1.p, y2.p FROM y AS y1, y AS y2 WHERE y1.q=y2.q;
    SELECT * from z;
  }
} {}

# Make sure we can open a database with an empty filename.  What this
# does is store the database in a temporary file that is deleted when
# the database is closed.  Ticket #432.
#
do_test misc2-6.1 {
  db close
  sqlite db {}
  execsql {
    CREATE TABLE t1(a,b);
    INSERT INTO t1 VALUES(1,2);
    SELECT * FROM t1;
  }
} {1 2}

# Make sure we get an error message (not a segfault) on an attempt to
# update a table from within the callback of a select on that same
# table.
#
do_test misc2-7.1 {
  db close
  file delete -force test.db
  sqlite db test.db
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(1);
  }
  set rc [catch {
    db eval {SELECT rowid FROM t1} {} {
      db eval "DELETE FROM t1 WHERE rowid=$rowid"
    }
  } msg]
  lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.2 {
  set rc [catch {
    db eval {SELECT rowid FROM t1} {} {
      db eval "INSERT INTO t1 VALUES(3)"
    }
  } msg]
  lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.3 {
  db close
  file delete -force test.db
  sqlite db :memory:
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(1);
  }
  set rc [catch {
    db eval {SELECT rowid FROM t1} {} {
      db eval "DELETE FROM t1 WHERE rowid=$rowid"
    }
  } msg]
  lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.4 {
  set rc [catch {
    db eval {SELECT rowid FROM t1} {} {
      db eval "INSERT INTO t1 VALUES(3)"
    }
  } msg]
  lappend rc $msg
} {1 {database table is locked}}

# Ticket #453.  If the SQL ended with "-", the tokenizer was calling that
# an incomplete token, which caused problem.  The solution was to just call
# it a minus sign.
#
do_test misc2-8.1 {
  catchsql {-}
} {1 {near "-": syntax error}}

# Ticket #513.  Make sure the VDBE stack does not grow on a 3-way join.
#
do_test misc2-9.1 {
  execsql {
    BEGIN;
    CREATE TABLE counts(n INTEGER PRIMARY KEY);
    INSERT INTO counts VALUES(0);
    INSERT INTO counts VALUES(1);
    INSERT INTO counts SELECT n+2 FROM counts;
    INSERT INTO counts SELECT n+4 FROM counts;
    INSERT INTO counts SELECT n+8 FROM counts;
    COMMIT;

    CREATE TEMP TABLE x AS
    SELECT dim1.n, dim2.n, dim3.n
    FROM counts AS dim1, counts AS dim2, counts AS dim3
    WHERE dim1.n<10 AND dim2.n<10 AND dim3.n<10;

    SELECT count(*) FROM x;
  }
} {1000}
do_test misc2-9.2 {
  execsql {
    DROP TABLE x;
    CREATE TEMP TABLE x AS
    SELECT dim1.n, dim2.n, dim3.n
    FROM counts AS dim1, counts AS dim2, counts AS dim3
    WHERE dim1.n>=6 AND dim2.n>=6 AND dim3.n>=6;

    SELECT count(*) FROM x;
  }
} {1000}
do_test misc2-9.3 {
  execsql {
    DROP TABLE x;
    CREATE TEMP TABLE x AS
    SELECT dim1.n, dim2.n, dim3.n, dim4.n
    FROM counts AS dim1, counts AS dim2, counts AS dim3, counts AS dim4
    WHERE dim1.n<5 AND dim2.n<5 AND dim3.n<5 AND dim4.n<5;

    SELECT count(*) FROM x;
  }
} [expr 5*5*5*5]

finish_test