# 2001 September 15

#

# 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 file is testing the SELECT statement.

#

# $Id: select1.test,v 1.65 2008/08/04 03:51:24 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# Try to select on a non-existant table.

#

do_test select1-1.1 {

  set v [catch {execsql {SELECT * FROM test1}} msg]

  lappend v $msg

} {1 {no such table: test1}}

execsql {CREATE TABLE test1(f1 int, f2 int)}

do_test select1-1.2 {

  set v [catch {execsql {SELECT * FROM test1, test2}} msg]

  lappend v $msg

} {1 {no such table: test2}}

do_test select1-1.3 {

  set v [catch {execsql {SELECT * FROM test2, test1}} msg]

  lappend v $msg

} {1 {no such table: test2}}

execsql {INSERT INTO test1(f1,f2) VALUES(11,22)}

# Make sure the columns are extracted correctly.

#

do_test select1-1.4 {

  execsql {SELECT f1 FROM test1}

} {11}

do_test select1-1.5 {

  execsql {SELECT f2 FROM test1}

} {22}

do_test select1-1.6 {

  execsql {SELECT f2, f1 FROM test1}

} {22 11}

do_test select1-1.7 {

  execsql {SELECT f1, f2 FROM test1}

} {11 22}

do_test select1-1.8 {

  execsql {SELECT * FROM test1}

} {11 22}

do_test select1-1.8.1 {

  execsql {SELECT *, * FROM test1}

} {11 22 11 22}

do_test select1-1.8.2 {

  execsql {SELECT *, min(f1,f2), max(f1,f2) FROM test1}

} {11 22 11 22}

do_test select1-1.8.3 {

  execsql {SELECT 'one', *, 'two', * FROM test1}

} {one 11 22 two 11 22}

execsql {CREATE TABLE test2(r1 real, r2 real)}

execsql {INSERT INTO test2(r1,r2) VALUES(1.1,2.2)}

do_test select1-1.9 {

  execsql {SELECT * FROM test1, test2}

} {11 22 1.1 2.2}

do_test select1-1.9.1 {

  execsql {SELECT *, 'hi' FROM test1, test2}

} {11 22 1.1 2.2 hi}

do_test select1-1.9.2 {

  execsql {SELECT 'one', *, 'two', * FROM test1, test2}

} {one 11 22 1.1 2.2 two 11 22 1.1 2.2}

do_test select1-1.10 {

  execsql {SELECT test1.f1, test2.r1 FROM test1, test2}

} {11 1.1}

do_test select1-1.11 {

  execsql {SELECT test1.f1, test2.r1 FROM test2, test1}

} {11 1.1}

do_test select1-1.11.1 {

  execsql {SELECT * FROM test2, test1}

} {1.1 2.2 11 22}

do_test select1-1.11.2 {

  execsql {SELECT * FROM test1 AS a, test1 AS b}

} {11 22 11 22}

do_test select1-1.12 {

  execsql {SELECT max(test1.f1,test2.r1), min(test1.f2,test2.r2)

           FROM test2, test1}

} {11 2.2}

do_test select1-1.13 {

  execsql {SELECT min(test1.f1,test2.r1), max(test1.f2,test2.r2)

           FROM test1, test2}

} {1.1 22}

set long {This is a string that is too big to fit inside a NBFS buffer}

do_test select1-2.0 {

  execsql "

    DROP TABLE test2;

    DELETE FROM test1;

    INSERT INTO test1 VALUES(11,22);

    INSERT INTO test1 VALUES(33,44);

    CREATE TABLE t3(a,b);

    INSERT INTO t3 VALUES('abc',NULL);

    INSERT INTO t3 VALUES(NULL,'xyz');

    INSERT INTO t3 SELECT * FROM test1;

    CREATE TABLE t4(a,b);

    INSERT INTO t4 VALUES(NULL,'$long');

    SELECT * FROM t3;

  "

} {abc {} {} xyz 11 22 33 44}

# Error messges from sqliteExprCheck

#

do_test select1-2.1 {

  set v [catch {execsql {SELECT count(f1,f2) FROM test1}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function count()}}

do_test select1-2.2 {

  set v [catch {execsql {SELECT count(f1) FROM test1}} msg]

  lappend v $msg

} {0 2}

do_test select1-2.3 {

  set v [catch {execsql {SELECT Count() FROM test1}} msg]

  lappend v $msg

} {0 2}

do_test select1-2.4 {

  set v [catch {execsql {SELECT COUNT(*) FROM test1}} msg]

  lappend v $msg

} {0 2}

do_test select1-2.5 {

  set v [catch {execsql {SELECT COUNT(*)+1 FROM test1}} msg]

  lappend v $msg

} {0 3}

do_test select1-2.5.1 {

  execsql {SELECT count(*),count(a),count(b) FROM t3}

} {4 3 3}

do_test select1-2.5.2 {

  execsql {SELECT count(*),count(a),count(b) FROM t4}

} {1 0 1}

do_test select1-2.5.3 {

  execsql {SELECT count(*),count(a),count(b) FROM t4 WHERE b=5}

} {0 0 0}

do_test select1-2.6 {

  set v [catch {execsql {SELECT min(*) FROM test1}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function min()}}

do_test select1-2.7 {

  set v [catch {execsql {SELECT Min(f1) FROM test1}} msg]

  lappend v $msg

} {0 11}

do_test select1-2.8 {

  set v [catch {execsql {SELECT MIN(f1,f2) FROM test1}} msg]

  lappend v [lsort $msg]

} {0 {11 33}}

do_test select1-2.8.1 {

  execsql {SELECT coalesce(min(a),'xyzzy') FROM t3}

} {11}

do_test select1-2.8.2 {

  execsql {SELECT min(coalesce(a,'xyzzy')) FROM t3}

} {11}

do_test select1-2.8.3 {

  execsql {SELECT min(b), min(b) FROM t4}

} [list $long $long]

do_test select1-2.9 {

  set v [catch {execsql {SELECT MAX(*) FROM test1}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function MAX()}}

do_test select1-2.10 {

  set v [catch {execsql {SELECT Max(f1) FROM test1}} msg]

  lappend v $msg

} {0 33}

do_test select1-2.11 {

  set v [catch {execsql {SELECT max(f1,f2) FROM test1}} msg]

  lappend v [lsort $msg]

} {0 {22 44}}

do_test select1-2.12 {

  set v [catch {execsql {SELECT MAX(f1,f2)+1 FROM test1}} msg]

  lappend v [lsort $msg]

} {0 {23 45}}

do_test select1-2.13 {

  set v [catch {execsql {SELECT MAX(f1)+1 FROM test1}} msg]

  lappend v $msg

} {0 34}

do_test select1-2.13.1 {

  execsql {SELECT coalesce(max(a),'xyzzy') FROM t3}

} {abc}

do_test select1-2.13.2 {

  execsql {SELECT max(coalesce(a,'xyzzy')) FROM t3}

} {xyzzy}

do_test select1-2.14 {

  set v [catch {execsql {SELECT SUM(*) FROM test1}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function SUM()}}

do_test select1-2.15 {

  set v [catch {execsql {SELECT Sum(f1) FROM test1}} msg]

  lappend v $msg

} {0 44}

do_test select1-2.16 {

  set v [catch {execsql {SELECT sum(f1,f2) FROM test1}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function sum()}}

do_test select1-2.17 {

  set v [catch {execsql {SELECT SUM(f1)+1 FROM test1}} msg]

  lappend v $msg

} {0 45}

do_test select1-2.17.1 {

  execsql {SELECT sum(a) FROM t3}

} {44.0}

do_test select1-2.18 {

  set v [catch {execsql {SELECT XYZZY(f1) FROM test1}} msg]

  lappend v $msg

} {1 {no such function: XYZZY}}

do_test select1-2.19 {

  set v [catch {execsql {SELECT SUM(min(f1,f2)) FROM test1}} msg]

  lappend v $msg

} {0 44}

do_test select1-2.20 {

  set v [catch {execsql {SELECT SUM(min(f1)) FROM test1}} msg]

  lappend v $msg

} {1 {misuse of aggregate function min()}}

# Ticket #2526

#

do_test select1-2.21 {

  catchsql {

     SELECT min(f1) AS m FROM test1 GROUP BY f1 HAVING max(m+5)<10

  }

} {1 {misuse of aliased aggregate m}}

do_test select1-2.22 {

  catchsql {

     SELECT coalesce(min(f1)+5,11) AS m FROM test1

      GROUP BY f1

     HAVING max(m+5)<10

  }

} {1 {misuse of aliased aggregate m}}

do_test select1-2.23 {

  execsql {

    CREATE TABLE tkt2526(a,b,c PRIMARY KEY);

    INSERT INTO tkt2526 VALUES('x','y',NULL);

    INSERT INTO tkt2526 VALUES('x','z',NULL);

  }

  catchsql {

    SELECT count(a) AS cn FROM tkt2526 GROUP BY a HAVING cn<max(cn)

  }

} {1 {misuse of aliased aggregate cn}}

# WHERE clause expressions

#

do_test select1-3.1 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1<11}} msg]

  lappend v $msg

} {0 {}}

do_test select1-3.2 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1<=11}} msg]

  lappend v $msg

} {0 11}

do_test select1-3.3 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1=11}} msg]

  lappend v $msg

} {0 11}

do_test select1-3.4 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1>=11}} msg]

  lappend v [lsort $msg]

} {0 {11 33}}

do_test select1-3.5 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1>11}} msg]

  lappend v [lsort $msg]

} {0 33}

do_test select1-3.6 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1!=11}} msg]

  lappend v [lsort $msg]

} {0 33}

do_test select1-3.7 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE min(f1,f2)!=11}} msg]

  lappend v [lsort $msg]

} {0 33}

do_test select1-3.8 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE max(f1,f2)!=11}} msg]

  lappend v [lsort $msg]

} {0 {11 33}}

do_test select1-3.9 {

  set v [catch {execsql {SELECT f1 FROM test1 WHERE count(f1,f2)!=11}} msg]

  lappend v $msg

} {1 {wrong number of arguments to function count()}}

# ORDER BY expressions

#

do_test select1-4.1 {

  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY f1}} msg]

  lappend v $msg

} {0 {11 33}}

do_test select1-4.2 {

  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY -f1}} msg]

  lappend v $msg

} {0 {33 11}}

do_test select1-4.3 {

  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY min(f1,f2)}} msg]

  lappend v $msg

} {0 {11 33}}

do_test select1-4.4 {

  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY min(f1)}} msg]

  lappend v $msg

} {1 {misuse of aggregate: min(f1)}}

# The restriction not allowing constants in the ORDER BY clause

# has been removed.  See ticket #1768

#do_test select1-4.5 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY 8.4;

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

#do_test select1-4.6 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY '8.4';

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

#do_test select1-4.7.1 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY 'xyz';

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

#do_test select1-4.7.2 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY -8.4;

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

#do_test select1-4.7.3 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY +8.4;

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

#do_test select1-4.7.4 {

#  catchsql {

#    SELECT f1 FROM test1 ORDER BY 4294967296; -- constant larger than 32 bits

#  }

#} {1 {ORDER BY terms must not be non-integer constants}}

do_test select1-4.5 {

  execsql {

    SELECT f1 FROM test1 ORDER BY 8.4

  }

} {11 33}

do_test select1-4.6 {

  execsql {

    SELECT f1 FROM test1 ORDER BY '8.4'

  }

} {11 33}

do_test select1-4.8 {

  execsql {

    CREATE TABLE t5(a,b);

    INSERT INTO t5 VALUES(1,10);

    INSERT INTO t5 VALUES(2,9);

    SELECT * FROM t5 ORDER BY 1;

  }

} {1 10 2 9}

do_test select1-4.9.1 {

  execsql {

    SELECT * FROM t5 ORDER BY 2;

  }

} {2 9 1 10}

do_test select1-4.9.2 {

  execsql {

    SELECT * FROM t5 ORDER BY +2;

  }

} {2 9 1 10}

do_test select1-4.10.1 {

  catchsql {

    SELECT * FROM t5 ORDER BY 3;

  }

} {1 {1st ORDER BY term out of range - should be between 1 and 2}}

do_test select1-4.10.2 {

  catchsql {

    SELECT * FROM t5 ORDER BY -1;

  }

} {1 {1st ORDER BY term out of range - should be between 1 and 2}}

do_test select1-4.11 {

  execsql {

    INSERT INTO t5 VALUES(3,10);

    SELECT * FROM t5 ORDER BY 2, 1 DESC;

  }

} {2 9 3 10 1 10}

do_test select1-4.12 {

  execsql {

    SELECT * FROM t5 ORDER BY 1 DESC, b;

  }

} {3 10 2 9 1 10}

do_test select1-4.13 {

  execsql {

    SELECT * FROM t5 ORDER BY b DESC, 1;

  }

} {1 10 3 10 2 9}

# ORDER BY ignored on an aggregate query

#

do_test select1-5.1 {

  set v [catch {execsql {SELECT max(f1) FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 33}

execsql {CREATE TABLE test2(t1 text, t2 text)}

execsql {INSERT INTO test2 VALUES('abc','xyz')}

# Check for column naming

#

do_test select1-6.1 {

  set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {f1 11 f1 33}}

do_test select1-6.1.1 {

  db eval {PRAGMA full_column_names=on}

  set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {test1.f1 11 test1.f1 33}}

do_test select1-6.1.2 {

  set v [catch {execsql2 {SELECT f1 as 'f1' FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {f1 11 f1 33}}

do_test select1-6.1.3 {

  set v [catch {execsql2 {SELECT * FROM test1 WHERE f1==11}} msg]

  lappend v $msg

} {0 {f1 11 f2 22}}

do_test select1-6.1.4 {

  set v [catch {execsql2 {SELECT DISTINCT * FROM test1 WHERE f1==11}} msg]

  db eval {PRAGMA full_column_names=off}

  lappend v $msg

} {0 {f1 11 f2 22}}

do_test select1-6.1.5 {

  set v [catch {execsql2 {SELECT * FROM test1 WHERE f1==11}} msg]

  lappend v $msg

} {0 {f1 11 f2 22}}

do_test select1-6.1.6 {

  set v [catch {execsql2 {SELECT DISTINCT * FROM test1 WHERE f1==11}} msg]

  lappend v $msg

} {0 {f1 11 f2 22}}

do_test select1-6.2 {

  set v [catch {execsql2 {SELECT f1 as xyzzy FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {xyzzy 11 xyzzy 33}}

do_test select1-6.3 {

  set v [catch {execsql2 {SELECT f1 as "xyzzy" FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {xyzzy 11 xyzzy 33}}

do_test select1-6.3.1 {

  set v [catch {execsql2 {SELECT f1 as 'xyzzy ' FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {{xyzzy } 11 {xyzzy } 33}}

do_test select1-6.4 {

  set v [catch {execsql2 {SELECT f1+F2 as xyzzy FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {xyzzy 33 xyzzy 77}}

do_test select1-6.4a {

  set v [catch {execsql2 {SELECT f1+F2 FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {f1+F2 33 f1+F2 77}}

do_test select1-6.5 {

  set v [catch {execsql2 {SELECT test1.f1+F2 FROM test1 ORDER BY f2}} msg]

  lappend v $msg

} {0 {test1.f1+F2 33 test1.f1+F2 77}}

do_test select1-6.5.1 {

  execsql2 {PRAGMA full_column_names=on}

  set v [catch {execsql2 {SELECT test1.f1+F2 FROM test1 ORDER BY f2}} msg]

  execsql2 {PRAGMA full_column_names=off}

  lappend v $msg

} {0 {test1.f1+F2 33 test1.f1+F2 77}}

do_test select1-6.6 {

  set v [catch {execsql2 {SELECT test1.f1+F2, t1 FROM test1, test2 

         ORDER BY f2}} msg]

  lappend v $msg

} {0 {test1.f1+F2 33 t1 abc test1.f1+F2 77 t1 abc}}

do_test select1-6.7 {

  set v [catch {execsql2 {SELECT A.f1, t1 FROM test1 as A, test2 

         ORDER BY f2}} msg]

  lappend v $msg

} {0 {f1 11 t1 abc f1 33 t1 abc}}

do_test select1-6.8 {

  set v [catch {execsql2 {SELECT A.f1, f1 FROM test1 as A, test1 as B 

         ORDER BY f2}} msg]

  lappend v $msg

} {1 {ambiguous column name: f1}}

do_test select1-6.8b {

  set v [catch {execsql2 {SELECT A.f1, B.f1 FROM test1 as A, test1 as B 

         ORDER BY f2}} msg]

  lappend v $msg

} {1 {ambiguous column name: f2}}

do_test select1-6.8c {

  set v [catch {execsql2 {SELECT A.f1, f1 FROM test1 as A, test1 as A 

         ORDER BY f2}} msg]

  lappend v $msg

} {1 {ambiguous column name: A.f1}}

do_test select1-6.9.1 {

  set v [catch {execsql {SELECT A.f1, B.f1 FROM test1 as A, test1 as B 

         ORDER BY A.f1, B.f1}} msg]

  lappend v $msg

} {0 {11 11 11 33 33 11 33 33}}

do_test select1-6.9.2 {

  set v [catch {execsql2 {SELECT A.f1, B.f1 FROM test1 as A, test1 as B 

         ORDER BY A.f1, B.f1}} msg]

  lappend v $msg

} {0 {f1 11 f1 11 f1 33 f1 33 f1 11 f1 11 f1 33 f1 33}}

do_test select1-6.9.3 {

  db eval {

     PRAGMA short_column_names=OFF;

     PRAGMA full_column_names=OFF;

  }

  execsql2 {

     SELECT test1 . f1, test1 . f2 FROM test1 LIMIT 1

  }

} {{test1 . f1} 11 {test1 . f2} 22}

do_test select1-6.9.4 {

  db eval {

     PRAGMA short_column_names=OFF;

     PRAGMA full_column_names=ON;

  }

  execsql2 {

     SELECT test1 . f1, test1 . f2 FROM test1 LIMIT 1

  }

} {test1.f1 11 test1.f2 22}

do_test select1-6.9.5 {

  db eval {