# 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.

#

# This file implements tests for miscellanous features that were

# left out of other test files.

#

# $Id: misc1.test,v 1.42 2007/11/05 14:58:23 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# Mimic the SQLite 2 collation type NUMERIC.

db collate numeric numeric_collate

proc numeric_collate {lhs rhs} {

  if {$lhs == $rhs} {return 0} 

  return [expr ($lhs>$rhs)?1:-1]

}

# Mimic the SQLite 2 collation type TEXT.

db collate text text_collate

proc numeric_collate {lhs rhs} {

  return [string compare $lhs $rhs]

}

# Test the creation and use of tables that have a large number

# of columns.

#

do_test misc1-1.1 {

  set cmd "CREATE TABLE manycol(x0 text"

  for {set i 1} {$i<=99} {incr i} {

    append cmd ",x$i text"

  }

  append cmd ")";

  execsql $cmd

  set cmd "INSERT INTO manycol VALUES(0"

  for {set i 1} {$i<=99} {incr i} {

    append cmd ",$i"

  }

  append cmd ")";

  execsql $cmd

  execsql "SELECT x99 FROM manycol"

} 99

do_test misc1-1.2 {

  execsql {SELECT x0, x10, x25, x50, x75 FROM manycol}

} {0 10 25 50 75}

do_test misc1-1.3.1 {

  for {set j 100} {$j<=1000} {incr j 100} {

    set cmd "INSERT INTO manycol VALUES($j"

    for {set i 1} {$i<=99} {incr i} {

      append cmd ",[expr {$i+$j}]"

    }

    append cmd ")"

    execsql $cmd

  }

  execsql {SELECT x50 FROM manycol ORDER BY x80+0}

} {50 150 250 350 450 550 650 750 850 950 1050}

do_test misc1-1.3.2 {

  execsql {SELECT x50 FROM manycol ORDER BY x80}

} {1050 150 250 350 450 550 650 750 50 850 950}

do_test misc1-1.4 {

  execsql {SELECT x75 FROM manycol WHERE x50=350}

} 375

do_test misc1-1.5 {

  execsql {SELECT x50 FROM manycol WHERE x99=599}

} 550

do_test misc1-1.6 {

  execsql {CREATE INDEX manycol_idx1 ON manycol(x99)}

  execsql {SELECT x50 FROM manycol WHERE x99=899}

} 850

do_test misc1-1.7 {

  execsql {SELECT count(*) FROM manycol}

} 11

do_test misc1-1.8 {

  execsql {DELETE FROM manycol WHERE x98=1234}

  execsql {SELECT count(*) FROM manycol}

} 11

do_test misc1-1.9 {

  execsql {DELETE FROM manycol WHERE x98=998}

  execsql {SELECT count(*) FROM manycol}

} 10

do_test misc1-1.10 {

  execsql {DELETE FROM manycol WHERE x99=500}

  execsql {SELECT count(*) FROM manycol}

} 10

do_test misc1-1.11 {

  execsql {DELETE FROM manycol WHERE x99=599}

  execsql {SELECT count(*) FROM manycol}

} 9

# Check GROUP BY expressions that name two or more columns.

#

do_test misc1-2.1 {

  execsql {

    BEGIN TRANSACTION;

    CREATE TABLE agger(one text, two text, three text, four text);

    INSERT INTO agger VALUES(1, 'one', 'hello', 'yes');

    INSERT INTO agger VALUES(2, 'two', 'howdy', 'no');

    INSERT INTO agger VALUES(3, 'thr', 'howareya', 'yes');

    INSERT INTO agger VALUES(4, 'two', 'lothere', 'yes');

    INSERT INTO agger VALUES(5, 'one', 'atcha', 'yes');

    INSERT INTO agger VALUES(6, 'two', 'hello', 'no');

    COMMIT

  }

  execsql {SELECT count(*) FROM agger}

} 6

do_test misc1-2.2 {

  execsql {SELECT sum(one), two, four FROM agger

           GROUP BY two, four ORDER BY sum(one) desc}

} {8 two no 6 one yes 4 two yes 3 thr yes}

do_test misc1-2.3 {

  execsql {SELECT sum((one)), (two), (four) FROM agger

           GROUP BY (two), (four) ORDER BY sum(one) desc}

} {8 two no 6 one yes 4 two yes 3 thr yes}

# Here's a test for a bug found by Joel Lucsy.  The code below

# was causing an assertion failure.

#

do_test misc1-3.1 {

  set r [execsql {

    CREATE TABLE t1(a);

    INSERT INTO t1 VALUES('hi');

    PRAGMA full_column_names=on;

    SELECT rowid, * FROM t1;

  }]

  lindex $r 1

} {hi}

# Here's a test for yet another bug found by Joel Lucsy.  The code

# below was causing an assertion failure.

#

do_test misc1-4.1 {

  execsql {

    BEGIN;

    CREATE TABLE t2(a);

    INSERT INTO t2 VALUES('This is a long string to use up a lot of disk -');

    UPDATE t2 SET a=a||a||a||a;

    INSERT INTO t2 SELECT '1 - ' || a FROM t2;

    INSERT INTO t2 SELECT '2 - ' || a FROM t2;

    INSERT INTO t2 SELECT '3 - ' || a FROM t2;

    INSERT INTO t2 SELECT '4 - ' || a FROM t2;

    INSERT INTO t2 SELECT '5 - ' || a FROM t2;

    INSERT INTO t2 SELECT '6 - ' || a FROM t2;

    COMMIT;

    SELECT count(*) FROM t2;

  }

} {64}

# Make sure we actually see a semicolon or end-of-file in the SQL input

# before executing a command.  Thus if "WHERE" is misspelled on an UPDATE,

# the user won't accidently update every record.

#

do_test misc1-5.1 {

  catchsql {

    CREATE TABLE t3(a,b);

    INSERT INTO t3 VALUES(1,2);

    INSERT INTO t3 VALUES(3,4);

    UPDATE t3 SET a=0 WHEREwww b=2;

  }

} {1 {near "WHEREwww": syntax error}}

do_test misc1-5.2 {

  execsql {

    SELECT * FROM t3 ORDER BY a;

  }

} {1 2 3 4}

# Certain keywords (especially non-standard keywords like "REPLACE") can

# also be used as identifiers.  The way this works in the parser is that

# the parser first detects a syntax error, the error handling routine

# sees that the special keyword caused the error, then replaces the keyword

# with "ID" and tries again.

#

# Check the operation of this logic.

#

do_test misc1-6.1 {

  catchsql {

    CREATE TABLE t4(

      abort, asc, begin, cluster, conflict, copy, delimiters, desc, end,

      explain, fail, ignore, key, offset, pragma, replace, temp,

      vacuum, view

    );

  }

} {0 {}}

do_test misc1-6.2 {

  catchsql {

    INSERT INTO t4

       VALUES(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19);

  }

} {0 {}}

do_test misc1-6.3 {

  execsql {

    SELECT * FROM t4

  }

} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19}

do_test misc1-6.4 {

  execsql {

    SELECT abort+asc,max(key,pragma,temp) FROM t4

  }

} {3 17}

# Test for multi-column primary keys, and for multiple primary keys.

#

do_test misc1-7.1 {

  catchsql {

    CREATE TABLE error1(

      a TYPE PRIMARY KEY,

      b TYPE PRIMARY KEY

    );

  }

} {1 {table "error1" has more than one primary key}}

do_test misc1-7.2 {

  catchsql {

    CREATE TABLE error1(

      a INTEGER PRIMARY KEY,

      b TYPE PRIMARY KEY

    );

  }

} {1 {table "error1" has more than one primary key}}

do_test misc1-7.3 {

  execsql {

    CREATE TABLE t5(a,b,c,PRIMARY KEY(a,b));

    INSERT INTO t5 VALUES(1,2,3);

    SELECT * FROM t5 ORDER BY a;

  }

} {1 2 3}

do_test misc1-7.4 {

  catchsql {

    INSERT INTO t5 VALUES(1,2,4);

  }

} {1 {columns a, b are not unique}}

do_test misc1-7.5 {

  catchsql {

    INSERT INTO t5 VALUES(0,2,4);

  }

} {0 {}}

do_test misc1-7.6 {

  execsql {

    SELECT * FROM t5 ORDER BY a;

  }

} {0 2 4 1 2 3}

do_test misc1-8.1 {

  catchsql {

    SELECT *;

  }

} {1 {no tables specified}}

do_test misc1-8.2 {

  catchsql {

    SELECT t1.*;

  }

} {1 {no such table: t1}}

execsql {

  DROP TABLE t1;

  DROP TABLE t2;

  DROP TABLE t3;

  DROP TABLE t4;

}

# 64-bit integers are represented exactly.

#

do_test misc1-9.1 {

  catchsql {

    CREATE TABLE t1(a unique not null, b unique not null);

    INSERT INTO t1 VALUES('a',1234567890123456789);

    INSERT INTO t1 VALUES('b',1234567891123456789);

    INSERT INTO t1 VALUES('c',1234567892123456789);

    SELECT * FROM t1;

  }

} {0 {a 1234567890123456789 b 1234567891123456789 c 1234567892123456789}}

# A WHERE clause is not allowed to contain more than 99 terms.  Check to

# make sure this limit is enforced.

#

# 2005-07-16: There is no longer a limit on the number of terms in a

# WHERE clause.  But keep these tests just so that we have some tests

# that use a large number of terms in the WHERE clause.

#

do_test misc1-10.0 {

  execsql {SELECT count(*) FROM manycol}

} {9}

do_test misc1-10.1 {

  set ::where {WHERE x0>=0}

  for {set i 1} {$i<=99} {incr i} {

    append ::where " AND x$i<>0"

  }

  catchsql "SELECT count(*) FROM manycol $::where"

} {0 9}

do_test misc1-10.2 {

  catchsql "SELECT count(*) FROM manycol $::where AND rowid>0"

} {0 9}

do_test misc1-10.3 {

  regsub "x0>=0" $::where "x0=0" ::where

  catchsql "DELETE FROM manycol $::where"

} {0 {}}

do_test misc1-10.4 {

  execsql {SELECT count(*) FROM manycol}

} {8}

do_test misc1-10.5 {

  catchsql "DELETE FROM manycol $::where AND rowid>0"

} {0 {}}

do_test misc1-10.6 {

  execsql {SELECT x1 FROM manycol WHERE x0=100}

} {101}

do_test misc1-10.7 {

  regsub "x0=0" $::where "x0=100" ::where

  catchsql "UPDATE manycol SET x1=x1+1 $::where"

} {0 {}}

do_test misc1-10.8 {

  execsql {SELECT x1 FROM manycol WHERE x0=100}

} {102}

do_test misc1-10.9 {

  catchsql "UPDATE manycol SET x1=x1+1 $::where AND rowid>0"

} {0 {}}

do_test misc1-10.10 {

  execsql {SELECT x1 FROM manycol WHERE x0=100}

} {103}

# Make sure the initialization works even if a database is opened while

# another process has the database locked.

#

# Update for v3: The BEGIN doesn't lock the database so the schema is read

# and the SELECT returns successfully.

do_test misc1-11.1 {

  execsql {BEGIN}

  execsql {UPDATE t1 SET a=0 WHERE 0}

  sqlite3 db2 test.db

  set rc [catch {db2 eval {SELECT count(*) FROM t1}} msg]

  lappend rc $msg

# v2 result: {1 {database is locked}}

} {0 3}

do_test misc1-11.2 {

  execsql {COMMIT}

  set rc [catch {db2 eval {SELECT count(*) FROM t1}} msg]

  db2 close

  lappend rc $msg

} {0 3}

# Make sure string comparisons really do compare strings in format4+.

# Similar tests in the format3.test file show that for format3 and earlier

# all comparisions where numeric if either operand looked like a number.

#

do_test misc1-12.1 {

  execsql {SELECT '0'=='0.0'}

} {0}

do_test misc1-12.2 {

  execsql {SELECT '0'==0.0}

} {0}

do_test misc1-12.3 {

  execsql {SELECT '12345678901234567890'=='12345678901234567891'}

} {0}

do_test misc1-12.4 {

  execsql {

    CREATE TABLE t6(a INT UNIQUE, b TEXT UNIQUE);

    INSERT INTO t6 VALUES('0','0.0');

    SELECT * FROM t6;

  }

} {0 0.0}

ifcapable conflict {

  do_test misc1-12.5 {

    execsql {

      INSERT OR IGNORE INTO t6 VALUES(0.0,'x');

      SELECT * FROM t6;

    }

  } {0 0.0}

  do_test misc1-12.6 {

    execsql {

      INSERT OR IGNORE INTO t6 VALUES('y',0);

      SELECT * FROM t6;

    }

  } {0 0.0 y 0}

}

do_test misc1-12.7 {

  execsql {

    CREATE TABLE t7(x INTEGER, y TEXT, z);

    INSERT INTO t7 VALUES(0,0,1);

    INSERT INTO t7 VALUES(0.0,0,2);

    INSERT INTO t7 VALUES(0,0.0,3);

    INSERT INTO t7 VALUES(0.0,0.0,4);

    SELECT DISTINCT x, y FROM t7 ORDER BY z;

  }

} {0 0 0 0.0}

do_test misc1-12.8 {

  execsql {

    SELECT min(z), max(z), count(z) FROM t7 GROUP BY x ORDER BY 1;

  }

} {1 4 4}

do_test misc1-12.9 {

  execsql {

    SELECT min(z), max(z), count(z) FROM t7 GROUP BY y ORDER BY 1;

  }

} {1 2 2 3 4 2}

# This used to be an error.  But we changed the code so that arbitrary

# identifiers can be used as a collating sequence.  Collation is by text

# if the identifier contains "text", "blob", or "clob" and is numeric

# otherwise.

#

# Update: In v3, it is an error again.

#

#do_test misc1-12.10 {

#  catchsql {

#    SELECT * FROM t6 ORDER BY a COLLATE unknown;

#  }

#} {0 {0 0 y 0}}

do_test misc1-12.11 {

  execsql {

    CREATE TABLE t8(x TEXT COLLATE numeric, y INTEGER COLLATE text, z);

    INSERT INTO t8 VALUES(0,0,1);

    INSERT INTO t8 VALUES(0.0,0,2);

    INSERT INTO t8 VALUES(0,0.0,3);

    INSERT INTO t8 VALUES(0.0,0.0,4);

    SELECT DISTINCT x, y FROM t8 ORDER BY z;

  }

} {0 0 0.0 0}

do_test misc1-12.12 {

  execsql {

    SELECT min(z), max(z), count(z) FROM t8 GROUP BY x ORDER BY 1;

  }

} {1 3 2 2 4 2}

do_test misc1-12.13 {

  execsql {

    SELECT min(z), max(z), count(z) FROM t8 GROUP BY y ORDER BY 1;

  }

} {1 4 4}

# There was a problem with realloc() in the OP_MemStore operation of

# the VDBE.  A buffer was being reallocated but some pointers into 

# the old copy of the buffer were not being moved over to the new copy.

# The following code tests for the problem.

#

ifcapable subquery {

  do_test misc1-13.1 {

     execsql {

       CREATE TABLE t9(x,y);

       INSERT INTO t9 VALUES('one',1);

       INSERT INTO t9 VALUES('two',2);

       INSERT INTO t9 VALUES('three',3);

       INSERT INTO t9 VALUES('four',4);

       INSERT INTO t9 VALUES('five',5);

       INSERT INTO t9 VALUES('six',6);

       INSERT INTO t9 VALUES('seven',7);

       INSERT INTO t9 VALUES('eight',8);

       INSERT INTO t9 VALUES('nine',9);

       INSERT INTO t9 VALUES('ten',10);

       INSERT INTO t9 VALUES('eleven',11);

       SELECT y FROM t9

       WHERE x=(SELECT x FROM t9 WHERE y=1)

          OR x=(SELECT x FROM t9 WHERE y=2)

          OR x=(SELECT x FROM t9 WHERE y=3)

          OR x=(SELECT x FROM t9 WHERE y=4)

          OR x=(SELECT x FROM t9 WHERE y=5)

          OR x=(SELECT x FROM t9 WHERE y=6)

          OR x=(SELECT x FROM t9 WHERE y=7)

          OR x=(SELECT x FROM t9 WHERE y=8)

          OR x=(SELECT x FROM t9 WHERE y=9)

          OR x=(SELECT x FROM t9 WHERE y=10)

          OR x=(SELECT x FROM t9 WHERE y=11)

          OR x=(SELECT x FROM t9 WHERE y=12)

          OR x=(SELECT x FROM t9 WHERE y=13)

          OR x=(SELECT x FROM t9 WHERE y=14)

       ;

     }

  } {1 2 3 4 5 6 7 8 9 10 11}

}

# Make sure a database connection still works after changing the

# working directory.

#

do_test misc1-14.1 {

  file mkdir tempdir

  cd tempdir

  execsql {BEGIN}

  file exists ./test.db-journal

} {0}

do_test misc1-14.2 {

  execsql {UPDATE t1 SET a=0 WHERE 0}

  file exists ../test.db-journal

} {1}

do_test misc1-14.3 {

  cd ..

  file delete -force tempdir

  execsql {COMMIT}

  file exists ./test.db-journal

} {0}

# A failed create table should not leave the table in the internal

# data structures.  Ticket #238.

#

do_test misc1-15.1.1 {

  catchsql {

    CREATE TABLE t10 AS SELECT c1;

  }

} {1 {no such column: c1}}

do_test misc1-15.1.2 {

  catchsql {

    CREATE TABLE t10 AS SELECT t9.c1;

  }

} {1 {no such column: t9.c1}}

do_test misc1-15.1.3 {

  catchsql {

    CREATE TABLE t10 AS SELECT main.t9.c1;

  }

} {1 {no such column: main.t9.c1}}

do_test misc1-15.2 {

  catchsql {

    CREATE TABLE t10 AS SELECT 1;

  }

  # The bug in ticket #238 causes the statement above to fail with

  # the error "table t10 alread exists"

} {0 {}}

# Test for memory leaks when a CREATE TABLE containing a primary key

# fails.  Ticket #249.

#

do_test misc1-16.1 {

  catchsql {SELECT name FROM sqlite_master LIMIT 1}

  catchsql {

    CREATE TABLE test(a integer, primary key(a));

  }

} {0 {}}