update.test

SQLite 2.8.6 源代码,用来在Linux/Unix/Windows上编译安装.它是一个小型的数据库,但是非常好用,速度也快,一般的数据库查询之类的操作据统计比MySQL,PostgreSQL

} {}
do_test update-6.3.3 {
  execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2}
} {8 88}
do_test update-6.4 {
  execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-6.4.1 {
  execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-6.4.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {778 128}
do_test update-6.4.3 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-6.5 {
  execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-6.5.1 {
  execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-6.5.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-6.5.3 {
  execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-6.5.4 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-6.6 {
  execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-6.6.1 {
  execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2}
} {77 128}
do_test update-6.6.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-6.6.3 {
  execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-6.6.4 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}

# Repeat the previous sequence of tests with multiple
# indices
#
do_test update-7.0 {
  execsql {CREATE INDEX idx2 ON test1(f2)}
  execsql {CREATE INDEX idx3 ON test1(f1,f2)}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.1 {
  execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128}
do_test update-7.1.1 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 89 8 257 8 889}
do_test update-7.1.2 {
  execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {8 89}
do_test update-7.1.3 {
  execsql {SELECT * FROM test1 WHERE f1==88 ORDER BY f1,f2}
} {}
do_test update-7.2 {
  execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.3 {
  # explain {UPDATE test1 SET f2=f2-1 WHERE f1==8 and F2<300}
  execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.3.1 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
do_test update-7.3.2 {
  execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {}
do_test update-7.3.3 {
  execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2}
} {8 88}
do_test update-7.4 {
  execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-7.4.1 {
  execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-7.4.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {778 128}
do_test update-7.4.3 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-7.5 {
  execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-7.5.1 {
  execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-7.5.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-7.5.3 {
  execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-7.5.4 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-7.6 {
  execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128}
  execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.6.1 {
  execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2}
} {77 128}
do_test update-7.6.2 {
  execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-7.6.3 {
  execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-7.6.4 {
  execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}

# Error messages
#
do_test update-9.1 {
  set v [catch {execsql {
    UPDATE test1 SET x=11 WHERE f1=1025
  }} msg]
  lappend v $msg
} {1 {no such column: x}}
do_test update-9.2 {
  set v [catch {execsql {
    UPDATE test1 SET f1=x(11) WHERE f1=1025
  }} msg]
  lappend v $msg
} {1 {no such function: x}}
do_test update-9.3 {
  set v [catch {execsql {
    UPDATE test1 SET f1=11 WHERE x=1025
  }} msg]
  lappend v $msg
} {1 {no such column: x}}
do_test update-9.4 {
  set v [catch {execsql {
    UPDATE test1 SET f1=11 WHERE x(f1)=1025
  }} msg]
  lappend v $msg
} {1 {no such function: x}}

# Try doing updates on a unique column where the value does not
# really change.
#
do_test update-10.1 {
  execsql {
    DROP TABLE test1;
    CREATE TABLE t1(
       a integer primary key,
       b UNIQUE, 
       c, d,
       e, f,
       UNIQUE(c,d)
    );
    INSERT INTO t1 VALUES(1,2,3,4,5,6);
    INSERT INTO t1 VALUES(2,3,4,4,6,7);
    SELECT * FROM t1
  }
} {1 2 3 4 5 6 2 3 4 4 6 7}
do_test update-10.2 {
  catchsql {
    UPDATE t1 SET a=1, e=9 WHERE f=6;
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 9 6 2 3 4 4 6 7}}
do_test update-10.3 {
  catchsql {
    UPDATE t1 SET a=1, e=10 WHERE f=7;
    SELECT * FROM t1;
  }
} {1 {PRIMARY KEY must be unique}}
do_test update-10.4 {
  catchsql {
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 9 6 2 3 4 4 6 7}}
do_test update-10.5 {
  catchsql {
    UPDATE t1 SET b=2, e=11 WHERE f=6;
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 11 6 2 3 4 4 6 7}}
do_test update-10.6 {
  catchsql {
    UPDATE t1 SET b=2, e=12 WHERE f=7;
    SELECT * FROM t1;
  }
} {1 {column b is not unique}}
do_test update-10.7 {
  catchsql {
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 11 6 2 3 4 4 6 7}}
do_test update-10.8 {
  catchsql {
    UPDATE t1 SET c=3, d=4, e=13 WHERE f=6;
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 13 6 2 3 4 4 6 7}}
do_test update-10.9 {
  catchsql {
    UPDATE t1 SET c=3, d=4, e=14 WHERE f=7;
    SELECT * FROM t1;
  }
} {1 {columns c, d are not unique}}
do_test update-10.10 {
  catchsql {
    SELECT * FROM t1;
  }
} {0 {1 2 3 4 13 6 2 3 4 4 6 7}}

# Make sure we can handle a subquery in the where clause.
#
do_test update-11.1 {
  execsql {
    UPDATE t1 SET e=e+1 WHERE b IN (SELECT b FROM t1);
    SELECT b,e FROM t1;
  }
} {2 14 3 7}
do_test update-11.2 {
  execsql {
    UPDATE t1 SET e=e+1 WHERE a IN (SELECT a FROM t1);
    SELECT a,e FROM t1;
  }
} {1 15 2 8}

integrity_check update-12.1

finish_test