where.test

一个小型的嵌入式数据库

  }
} {1 100 4 2 99 9 3 98 16 sort}
do_test where-6.4 {
  cksort {
    SELECT * FROM t3 WHERE a<10 ORDER BY a LIMIT 3
  }
} {1 100 4 2 99 9 3 98 16 nosort}
do_test where-6.5 {
  cksort {
    SELECT * FROM t3 WHERE a>0 AND a<10 ORDER BY a LIMIT 3
  }
} {1 100 4 2 99 9 3 98 16 nosort}
do_test where-6.6 {
  cksort {
    SELECT * FROM t3 WHERE a>0 ORDER BY a LIMIT 3
  }
} {1 100 4 2 99 9 3 98 16 nosort}
do_test where-6.7 {
  cksort {
    SELECT * FROM t3 WHERE b>0 ORDER BY a LIMIT 3
  }
} {1 100 4 2 99 9 3 98 16 sort}
ifcapable subquery {
  do_test where-6.8 {
    cksort {
      SELECT * FROM t3 WHERE a IN (3,5,7,1,9,4,2) ORDER BY a LIMIT 3
    }
  } {1 100 4 2 99 9 3 98 16 sort}
}
do_test where-6.9.1 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.1.1 {
  cksort {
    SELECT * FROM t3 WHERE a>=1 AND a=1 AND c>0 ORDER BY a LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.1.2 {
  cksort {
    SELECT * FROM t3 WHERE a<2 AND a=1 AND c>0 ORDER BY a LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.2 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.3 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.4 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.5 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c DESC LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.6 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c DESC LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.7 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c,a LIMIT 3
  }
} {1 100 4 sort}
do_test where-6.9.8 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c ASC LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.9.9 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a ASC, c DESC LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.10 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.11 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.12 {
  cksort {
    SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c,b LIMIT 3
  }
} {1 100 4 nosort}
do_test where-6.13 {
  cksort {
    SELECT * FROM t3 WHERE a>0 ORDER BY a DESC LIMIT 3
  }
} {100 1 10201 99 2 10000 98 3 9801 nosort}
do_test where-6.13.1 {
  cksort {
    SELECT * FROM t3 WHERE a>0 ORDER BY -a LIMIT 3
  }
} {100 1 10201 99 2 10000 98 3 9801 sort}
do_test where-6.14 {
  cksort {
    SELECT * FROM t3 ORDER BY b LIMIT 3
  }
} {100 1 10201 99 2 10000 98 3 9801 nosort}
do_test where-6.15 {
  cksort {
    SELECT t3.a, t1.x FROM t3, t1 WHERE t3.a=t1.w ORDER BY t3.a LIMIT 3
  }
} {1 0 2 1 3 1 nosort}
do_test where-6.16 {
  cksort {
    SELECT t3.a, t1.x FROM t3, t1 WHERE t3.a=t1.w ORDER BY t1.x, t3.a LIMIT 3
  }
} {1 0 2 1 3 1 sort}
do_test where-6.19 {
  cksort {
    SELECT y FROM t1 ORDER BY w LIMIT 3;
  }
} {4 9 16 nosort}
do_test where-6.20 {
  cksort {
    SELECT y FROM t1 ORDER BY rowid LIMIT 3;
  }
} {4 9 16 nosort}
do_test where-6.21 {
  cksort {
    SELECT y FROM t1 ORDER BY rowid, y LIMIT 3;
  }
} {4 9 16 nosort}
do_test where-6.22 {
  cksort {
    SELECT y FROM t1 ORDER BY rowid, y DESC LIMIT 3;
  }
} {4 9 16 nosort}
do_test where-6.23 {
  cksort {
    SELECT y FROM t1 WHERE y>4 ORDER BY rowid, w, x LIMIT 3;
  }
} {9 16 25 nosort}
do_test where-6.24 {
  cksort {
    SELECT y FROM t1 WHERE y>=9 ORDER BY rowid, x DESC, w LIMIT 3;
  }
} {9 16 25 nosort}
do_test where-6.25 {
  cksort {
    SELECT y FROM t1 WHERE y>4 AND y<25 ORDER BY rowid;
  }
} {9 16 nosort}
do_test where-6.26 {
  cksort {
    SELECT y FROM t1 WHERE y>=4 AND y<=25 ORDER BY oid;
  }
} {4 9 16 25 nosort}
do_test where-6.27 {
  cksort {
    SELECT y FROM t1 WHERE y<=25 ORDER BY _rowid_, w+y;
  }
} {4 9 16 25 nosort}


# Tests for reverse-order sorting.
#
do_test where-7.1 {
  cksort {
    SELECT w FROM t1 WHERE x=3 ORDER BY y;
  }
} {8 9 10 11 12 13 14 15 nosort}
do_test where-7.2 {
  cksort {
    SELECT w FROM t1 WHERE x=3 ORDER BY y DESC;
  }
} {15 14 13 12 11 10 9 8 nosort}
do_test where-7.3 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y LIMIT 3;
  }
} {10 11 12 nosort}
do_test where-7.4 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y DESC LIMIT 3;
  }
} {15 14 13 nosort}
do_test where-7.5 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>121 ORDER BY y DESC;
  }
} {15 14 13 12 11 nosort}
do_test where-7.6 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=121 ORDER BY y DESC;
  }
} {15 14 13 12 11 10 nosort}
do_test where-7.7 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y DESC;
  }
} {12 11 10 nosort}
do_test where-7.8 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y DESC;
  }
} {13 12 11 10 nosort}
do_test where-7.9 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y DESC;
  }
} {13 12 11 nosort}
do_test where-7.10 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y DESC;
  }
} {12 11 10 nosort}
do_test where-7.11 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y;
  }
} {10 11 12 nosort}
do_test where-7.12 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y;
  }
} {10 11 12 13 nosort}
do_test where-7.13 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y;
  }
} {11 12 13 nosort}
do_test where-7.14 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y;
  }
} {10 11 12 nosort}
do_test where-7.15 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y<81 ORDER BY y;
  }
} {nosort}
do_test where-7.16 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y<=81 ORDER BY y;
  }
} {8 nosort}
do_test where-7.17 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>256 ORDER BY y;
  }
} {nosort}
do_test where-7.18 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=256 ORDER BY y;
  }
} {15 nosort}
do_test where-7.19 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y<81 ORDER BY y DESC;
  }
} {nosort}
do_test where-7.20 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y<=81 ORDER BY y DESC;
  }
} {8 nosort}
do_test where-7.21 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>256 ORDER BY y DESC;
  }
} {nosort}
do_test where-7.22 {
  cksort {
    SELECT w FROM t1 WHERE x=3 AND y>=256 ORDER BY y DESC;
  }
} {15 nosort}
do_test where-7.23 {
  cksort {
    SELECT w FROM t1 WHERE x=0 AND y<4 ORDER BY y;
  }
} {nosort}
do_test where-7.24 {
  cksort {
    SELECT w FROM t1 WHERE x=0 AND y<=4 ORDER BY y;
  }
} {1 nosort}
do_test where-7.25 {
  cksort {
    SELECT w FROM t1 WHERE x=6 AND y>10201 ORDER BY y;
  }
} {nosort}
do_test where-7.26 {
  cksort {
    SELECT w FROM t1 WHERE x=6 AND y>=10201 ORDER BY y;
  }
} {100 nosort}
do_test where-7.27 {
  cksort {
    SELECT w FROM t1 WHERE x=0 AND y<4 ORDER BY y DESC;
  }
} {nosort}
do_test where-7.28 {
  cksort {
    SELECT w FROM t1 WHERE x=0 AND y<=4 ORDER BY y DESC;
  }
} {1 nosort}
do_test where-7.29 {
  cksort {
    SELECT w FROM t1 WHERE x=6 AND y>10201 ORDER BY y DESC;
  }
} {nosort}
do_test where-7.30 {
  cksort {
    SELECT w FROM t1 WHERE x=6 AND y>=10201 ORDER BY y DESC;
  }
} {100 nosort}
do_test where-7.31 {
  cksort {
    SELECT y FROM t1 ORDER BY rowid DESC LIMIT 3
  }
} {10201 10000 9801 nosort}
do_test where-7.32 {
  cksort {
    SELECT y FROM t1 WHERE y<25 ORDER BY rowid DESC, x
  }
} {16 9 4 nosort}
do_test where-7.33 {
  cksort {
    SELECT y FROM t1 WHERE y<=25 ORDER BY rowid DESC, x
  }
} {25 16 9 4 nosort}
do_test where-7.34 {
  cksort {
    SELECT y FROM t1 WHERE y<25 AND y>4 ORDER BY rowid DESC, y DESC
  }
} {16 9 nosort}
do_test where-7.35 {
  cksort {
    SELECT y FROM t1 WHERE y<25 AND y>=4 ORDER BY rowid DESC
  }
} {16 9 4 nosort}

do_test where-8.1 {
  execsql {
    CREATE TABLE t4 AS SELECT * FROM t1;
    CREATE INDEX i4xy ON t4(x,y);
  }
  cksort {
    SELECT w FROM t4 WHERE x=4 and y<1000 ORDER BY y DESC limit 3;
  }
} {30 29 28 nosort}
do_test where-8.2 {
  execsql {
    DELETE FROM t4;
  }
  cksort {
    SELECT w FROM t4 WHERE x=4 and y<1000 ORDER BY y DESC limit 3;
  }
} {nosort}

# Make sure searches with an index work with an empty table.
#
do_test where-9.1 {
  execsql {
    CREATE TABLE t5(x PRIMARY KEY);
    SELECT * FROM t5 WHERE x<10;
  }
} {}
do_test where-9.2 {
  execsql {
    SELECT * FROM t5 WHERE x<10 ORDER BY x DESC;
  }
} {}
do_test where-9.3 {
  execsql {
    SELECT * FROM t5 WHERE x=10;
  }
} {}

do_test where-10.1 {
  execsql {
    SELECT 1 WHERE abs(random())<0
  }
} {}
do_test where-10.2 {
  proc tclvar_func {vname} {return [set ::$vname]}
  db function tclvar tclvar_func
  set ::v1 0
  execsql {
    SELECT count(*) FROM t1 WHERE tclvar('v1');
  }
} {0}
do_test where-10.3 {
  set ::v1 1
  execsql {
    SELECT count(*) FROM t1 WHERE tclvar('v1');
  }
} {100}
do_test where-10.4 {
  set ::v1 1
  proc tclvar_func {vname} {
    upvar #0 $vname v
    set v [expr {!$v}]
    return $v
  }
  execsql {
    SELECT count(*) FROM t1 WHERE tclvar('v1');
  }
} {50}

integrity_check {where-99.0}

finish_test