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Comment:"make test" now passing.
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SHA1: addd7f466d6ff55f82d907286650c26b06e9397b
User & Date: drh 2013-06-12 17:08:06.018
Context
2013-06-12
17:17
Merge all changes from trunk. (check-in: f2e15b1974 user: drh tags: nextgen-query-plan-exp)
17:08
"make test" now passing. (check-in: addd7f466d user: drh tags: nextgen-query-plan-exp)
14:52
Add the "queryplanner" test permutation. Continuing refinements to NGQP. (check-in: 25e2cde105 user: drh tags: nextgen-query-plan-exp)
Changes
Unified Diff Show Whitespace Changes Patch
Changes to src/where.c.
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** Prepare a crude estimate of the logarithm of the input value.
** The results need not be exact.  This is only used for estimating
** the total cost of performing operations with O(logN) or O(NlogN)
** complexity.  Because N is just a guess, it is no great tragedy if
** logN is a little off.
*/
static WhereCost estLog(WhereCost N){
  return whereCostFromInt(N) - 33;

}

/*
** Two routines for printing the content of an sqlite3_index_info
** structure.  Used for testing and debugging only.  If neither
** SQLITE_TEST or SQLITE_DEBUG are defined, then these routines
** are no-ops.








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** Prepare a crude estimate of the logarithm of the input value.
** The results need not be exact.  This is only used for estimating
** the total cost of performing operations with O(logN) or O(NlogN)
** complexity.  Because N is just a guess, it is no great tragedy if
** logN is a little off.
*/
static WhereCost estLog(WhereCost N){
  WhereCost x = whereCostFromInt(N);
  return x>33 ? x - 33 : 0;
}

/*
** Two routines for printing the content of an sqlite3_index_info
** structure.  Used for testing and debugging only.  If neither
** SQLITE_TEST or SQLITE_DEBUG are defined, then these routines
** are no-ops.
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  }
  rSize = whereCostFromInt(pSrc->pTab->nRowEst);
  rLogSize = estLog(rSize);

  /* Automatic indexes */
  if( !pBuilder->pBest
   && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 

   && !pSrc->viaCoroutine
   && !pSrc->notIndexed
   && !pSrc->isCorrelated
  ){
    /* Generate auto-index WhereLoops */
    WhereClause *pWC = pBuilder->pWC;
    WhereTerm *pTerm;








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  }
  rSize = whereCostFromInt(pSrc->pTab->nRowEst);
  rLogSize = estLog(rSize);

  /* Automatic indexes */
  if( !pBuilder->pBest
   && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 
   && pSrc->pIndex==0
   && !pSrc->viaCoroutine
   && !pSrc->notIndexed
   && !pSrc->isCorrelated
  ){
    /* Generate auto-index WhereLoops */
    WhereClause *pWC = pBuilder->pWC;
    WhereTerm *pTerm;
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  /* Special case: a WHERE clause that is constant.  Evaluate the
  ** expression and either jump over all of the code or fall thru.
  */
  if( pWhere && (nTabList==0 || sqlite3ExprIsConstantNotJoin(pWhere)) ){
    sqlite3ExprIfFalse(pParse, pWhere, pWInfo->iBreak, SQLITE_JUMPIFNULL);
    pWhere = 0;
  }








  /* Assign a bit from the bitmask to every term in the FROM clause.
  **
  ** When assigning bitmask values to FROM clause cursors, it must be
  ** the case that if X is the bitmask for the N-th FROM clause term then
  ** the bitmask for all FROM clause terms to the left of the N-th term
  ** is (X-1).   An expression from the ON clause of a LEFT JOIN can use








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  /* Special case: a WHERE clause that is constant.  Evaluate the
  ** expression and either jump over all of the code or fall thru.
  */
  if( pWhere && (nTabList==0 || sqlite3ExprIsConstantNotJoin(pWhere)) ){
    sqlite3ExprIfFalse(pParse, pWhere, pWInfo->iBreak, SQLITE_JUMPIFNULL);
    pWhere = 0;
  }

  /* Special case: No FROM clause
  */
  if( nTabList==0 ){
    if( pOrderBy ) pWInfo->bOBSat = 1;
    if( pDistinct ) pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE;
  }

  /* Assign a bit from the bitmask to every term in the FROM clause.
  **
  ** When assigning bitmask values to FROM clause cursors, it must be
  ** the case that if X is the bitmask for the N-th FROM clause term then
  ** the bitmask for all FROM clause terms to the left of the N-th term
  ** is (X-1).   An expression from the ON clause of a LEFT JOIN can use
︙︙
Changes to test/autoindex1.test.
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   ORDER BY x.registering_flock;
} {
  1 0 0 {SCAN TABLE sheep AS s} 
  1 1 1 {SEARCH TABLE flock_owner AS prev USING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date<?)} 
  1 0 0 {EXECUTE CORRELATED SCALAR SUBQUERY 2} 
  2 0 0 {SEARCH TABLE flock_owner AS later USING COVERING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date>? AND owner_change_date<?)} 
  0 0 0 {SCAN TABLE sheep AS x USING INDEX sheep_reg_flock_index} 
  0 1 1 {SEARCH SUBQUERY 1 AS y USING AUTOMATIC COVERING INDEX (sheep_no=?)}
}


do_execsql_test autoindex1-700 {
  CREATE TABLE t5(a, b, c);
  EXPLAIN QUERY PLAN SELECT a FROM t5 WHERE b=10 ORDER BY c;
} {








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   ORDER BY x.registering_flock;
} {
  1 0 0 {SCAN TABLE sheep AS s} 
  1 1 1 {SEARCH TABLE flock_owner AS prev USING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date<?)} 
  1 0 0 {EXECUTE CORRELATED SCALAR SUBQUERY 2} 
  2 0 0 {SEARCH TABLE flock_owner AS later USING COVERING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date>? AND owner_change_date<?)} 
  0 0 0 {SCAN TABLE sheep AS x USING INDEX sheep_reg_flock_index} 
  0 1 1 {SCAN SUBQUERY 1 AS y}
}


do_execsql_test autoindex1-700 {
  CREATE TABLE t5(a, b, c);
  EXPLAIN QUERY PLAN SELECT a FROM t5 WHERE b=10 ORDER BY c;
} {
︙︙
Changes to test/distinct.test.
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foreach {tn sql temptables res} {
  1   "a, b FROM t1"                                       {}      {A B a b}
  2   "b, a FROM t1"                                       {}      {B A b a}
  3   "a, b, c FROM t1"                                    {hash}  {a b c A B C}
  4   "a, b, c FROM t1 ORDER BY a, b, c"                   {btree} {A B C a b c}
  5   "b FROM t1 WHERE a = 'a'"                            {}      {b}
  6   "b FROM t1"                                          {hash}  {b B}
  7   "a FROM t1"                                          {}      {A a}
  8   "b COLLATE nocase FROM t1"                           {}      {b}
  9   "b COLLATE nocase FROM t1 ORDER BY b COLLATE nocase" {}      {b}
} {
  do_execsql_test    2.$tn.1 "SELECT DISTINCT $sql" $res
  do_temptables_test 2.$tn.2 "SELECT DISTINCT $sql" $temptables
}








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foreach {tn sql temptables res} {
  1   "a, b FROM t1"                                       {}      {A B a b}
  2   "b, a FROM t1"                                       {}      {B A b a}
  3   "a, b, c FROM t1"                                    {hash}  {a b c A B C}
  4   "a, b, c FROM t1 ORDER BY a, b, c"                   {btree} {A B C a b c}
  5   "b FROM t1 WHERE a = 'a'"                            {}      {b}
  6   "b FROM t1 ORDER BY +b COLLATE binary"          {btree hash} {B b}
  7   "a FROM t1"                                          {}      {A a}
  8   "b COLLATE nocase FROM t1"                           {}      {b}
  9   "b COLLATE nocase FROM t1 ORDER BY b COLLATE nocase" {}      {b}
} {
  do_execsql_test    2.$tn.1 "SELECT DISTINCT $sql" $res
  do_temptables_test 2.$tn.2 "SELECT DISTINCT $sql" $temptables
}
︙︙
Changes to test/eqp.test.
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}

# EVIDENCE-OF: R-40701-42164 sqlite> EXPLAIN QUERY PLAN SELECT a FROM
# t1 UNION SELECT c FROM t2; 1|0|0|SCAN TABLE t1
# 2|0|0|SCAN TABLE t2 0|0|0|COMPOUND SUBQUERIES 1 AND 2
# USING TEMP B-TREE (UNION)
det 5.12 "SELECT a FROM t1 UNION SELECT c FROM t2" {
  1 0 0 {SCAN TABLE t1 USING COVERING INDEX i1}
  2 0 0 {SCAN TABLE t2 USING COVERING INDEX i4}
  0 0 0 {COMPOUND SUBQUERIES 1 AND 2 USING TEMP B-TREE (UNION)}
}

# EVIDENCE-OF: R-61538-24748 sqlite> EXPLAIN QUERY PLAN SELECT a FROM
# t1 EXCEPT SELECT d FROM t2 ORDER BY 1; 1|0|0|SCAN TABLE t1 USING
# COVERING INDEX i2 2|0|0|SCAN TABLE t2








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}

# EVIDENCE-OF: R-40701-42164 sqlite> EXPLAIN QUERY PLAN SELECT a FROM
# t1 UNION SELECT c FROM t2; 1|0|0|SCAN TABLE t1
# 2|0|0|SCAN TABLE t2 0|0|0|COMPOUND SUBQUERIES 1 AND 2
# USING TEMP B-TREE (UNION)
det 5.12 "SELECT a FROM t1 UNION SELECT c FROM t2" {
  1 0 0 {SCAN TABLE t1 USING COVERING INDEX i2}
  2 0 0 {SCAN TABLE t2 USING COVERING INDEX i4}
  0 0 0 {COMPOUND SUBQUERIES 1 AND 2 USING TEMP B-TREE (UNION)}
}

# EVIDENCE-OF: R-61538-24748 sqlite> EXPLAIN QUERY PLAN SELECT a FROM
# t1 EXCEPT SELECT d FROM t2 ORDER BY 1; 1|0|0|SCAN TABLE t1 USING
# COVERING INDEX i2 2|0|0|SCAN TABLE t2
︙︙
Changes to test/indexedby.test.
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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-3.3 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' AND b = 'two'
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-3.4 {
  catchsql { SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' }
} {1 {cannot use index: i2}}
do_test indexedby-3.5 {
  catchsql { SELECT * FROM t1 INDEXED BY i2 ORDER BY a }
} {1 {cannot use index: i2}}
do_test indexedby-3.6 {
  catchsql { SELECT * FROM t1 INDEXED BY i1 WHERE a = 'one' }
} {0 {}}
do_test indexedby-3.7 {
  catchsql { SELECT * FROM t1 INDEXED BY i1 ORDER BY a }
} {0 {}}

do_execsql_test indexedby-3.8 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 ORDER BY e 
} {0 0 0 {SCAN TABLE t3 USING INDEX sqlite_autoindex_t3_1}}
do_execsql_test indexedby-3.9 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE e = 10 
} {0 0 0 {SEARCH TABLE t3 USING INDEX sqlite_autoindex_t3_1 (e=?)}}
do_test indexedby-3.10 {
  catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE f = 10 }
} {1 {cannot use index: sqlite_autoindex_t3_1}}
do_test indexedby-3.11 {
  catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_2 WHERE f = 10 }
} {1 {no such index: sqlite_autoindex_t3_2}}

# Tests for multiple table cases.
#
do_execsql_test indexedby-4.1 {








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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-3.3 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' AND b = 'two'
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-3.4 {
  catchsql { SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' }
} {1 {no query solution}}
do_test indexedby-3.5 {
  catchsql { SELECT * FROM t1 INDEXED BY i2 ORDER BY a }
} {1 {no query solution}}
do_test indexedby-3.6 {
  catchsql { SELECT * FROM t1 INDEXED BY i1 WHERE a = 'one' }
} {0 {}}
do_test indexedby-3.7 {
  catchsql { SELECT * FROM t1 INDEXED BY i1 ORDER BY a }
} {0 {}}

do_execsql_test indexedby-3.8 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 ORDER BY e 
} {0 0 0 {SCAN TABLE t3 USING INDEX sqlite_autoindex_t3_1}}
do_execsql_test indexedby-3.9 {
  EXPLAIN QUERY PLAN 
  SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE e = 10 
} {0 0 0 {SEARCH TABLE t3 USING INDEX sqlite_autoindex_t3_1 (e=?)}}
do_test indexedby-3.10 {
  catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE f = 10 }
} {1 {no query solution}}
do_test indexedby-3.11 {
  catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_2 WHERE f = 10 }
} {1 {no such index: sqlite_autoindex_t3_2}}

# Tests for multiple table cases.
#
do_execsql_test indexedby-4.1 {
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  0 0 1 {SCAN TABLE t2} 
  0 1 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}
}
do_test indexedby-4.3 {
  catchsql {
    SELECT * FROM t1 INDEXED BY i1, t2 INDEXED BY i3 WHERE a=c
  }
} {1 {cannot use index: i1}}
do_test indexedby-4.4 {
  catchsql {
    SELECT * FROM t2 INDEXED BY i3, t1 INDEXED BY i1 WHERE a=c
  }
} {1 {cannot use index: i3}}

# Test embedding an INDEXED BY in a CREATE VIEW statement. This block
# also tests that nothing bad happens if an index refered to by
# a CREATE VIEW statement is dropped and recreated.
#
do_execsql_test indexedby-5.1 {
  CREATE VIEW v2 AS SELECT * FROM t1 INDEXED BY i1 WHERE a > 5;
  EXPLAIN QUERY PLAN SELECT * FROM v2 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_execsql_test indexedby-5.2 {
  EXPLAIN QUERY PLAN SELECT * FROM v2 WHERE b = 10 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_test indexedby-5.3 {
  execsql { DROP INDEX i1 }
  catchsql { SELECT * FROM v2 }
} {1 {no such index: i1}}
do_test indexedby-5.4 {
  # Recreate index i1 in such a way as it cannot be used by the view query.
  execsql { CREATE INDEX i1 ON t1(b) }
  catchsql { SELECT * FROM v2 }
} {1 {cannot use index: i1}}
do_test indexedby-5.5 {
  # Drop and recreate index i1 again. This time, create it so that it can
  # be used by the query.
  execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(a) }
  catchsql { SELECT * FROM v2 }
} {0 {}}

# Test that "NOT INDEXED" may use the rowid index, but not others.
# 
do_execsql_test indexedby-6.1 {
  EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE b = 10 ORDER BY rowid 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_execsql_test indexedby-6.2 {
  EXPLAIN QUERY PLAN SELECT * FROM t1 NOT INDEXED WHERE b = 10 ORDER BY rowid 
} {0 0 0 {SCAN TABLE t1 USING INTEGER PRIMARY KEY}}

# Test that "INDEXED BY" can be used in a DELETE statement.
# 
do_execsql_test indexedby-7.1 {
  EXPLAIN QUERY PLAN DELETE FROM t1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.2 {
  EXPLAIN QUERY PLAN DELETE FROM t1 NOT INDEXED WHERE a = 5 
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-7.3 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.4 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.5 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i2 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-7.6 {
  catchsql { DELETE FROM t1 INDEXED BY i2 WHERE a = 5}
} {1 {cannot use index: i2}}

# Test that "INDEXED BY" can be used in an UPDATE statement.
# 
do_execsql_test indexedby-8.1 {
  EXPLAIN QUERY PLAN UPDATE t1 SET rowid=rowid+1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.2 {








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  0 0 1 {SCAN TABLE t2} 
  0 1 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}
}
do_test indexedby-4.3 {
  catchsql {
    SELECT * FROM t1 INDEXED BY i1, t2 INDEXED BY i3 WHERE a=c
  }
} {1 {no query solution}}
do_test indexedby-4.4 {
  catchsql {
    SELECT * FROM t2 INDEXED BY i3, t1 INDEXED BY i1 WHERE a=c
  }
} {1 {no query solution}}

# Test embedding an INDEXED BY in a CREATE VIEW statement. This block
# also tests that nothing bad happens if an index refered to by
# a CREATE VIEW statement is dropped and recreated.
#
do_execsql_test indexedby-5.1 {
  CREATE VIEW v2 AS SELECT * FROM t1 INDEXED BY i1 WHERE a > 5;
  EXPLAIN QUERY PLAN SELECT * FROM v2 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_execsql_test indexedby-5.2 {
  EXPLAIN QUERY PLAN SELECT * FROM v2 WHERE b = 10 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_test indexedby-5.3 {
  execsql { DROP INDEX i1 }
  catchsql { SELECT * FROM v2 }
} {1 {no such index: i1}}
do_test indexedby-5.4 {
  # Recreate index i1 in such a way as it cannot be used by the view query.
  execsql { CREATE INDEX i1 ON t1(b) }
  catchsql { SELECT * FROM v2 }
} {1 {no query solution}}
do_test indexedby-5.5 {
  # Drop and recreate index i1 again. This time, create it so that it can
  # be used by the query.
  execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(a) }
  catchsql { SELECT * FROM v2 }
} {0 {}}

# Test that "NOT INDEXED" may use the rowid index, but not others.
# 
do_execsql_test indexedby-6.1 {
  EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE b = 10 ORDER BY rowid 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_execsql_test indexedby-6.2 {
  EXPLAIN QUERY PLAN SELECT * FROM t1 NOT INDEXED WHERE b = 10 ORDER BY rowid 
} {0 0 0 {SCAN TABLE t1}}

# Test that "INDEXED BY" can be used in a DELETE statement.
# 
do_execsql_test indexedby-7.1 {
  EXPLAIN QUERY PLAN DELETE FROM t1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.2 {
  EXPLAIN QUERY PLAN DELETE FROM t1 NOT INDEXED WHERE a = 5 
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-7.3 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.4 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.5 {
  EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i2 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-7.6 {
  catchsql { DELETE FROM t1 INDEXED BY i2 WHERE a = 5}
} {1 {no query solution}}

# Test that "INDEXED BY" can be used in an UPDATE statement.
# 
do_execsql_test indexedby-8.1 {
  EXPLAIN QUERY PLAN UPDATE t1 SET rowid=rowid+1 WHERE a = 5 
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.2 {
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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.5 {
  EXPLAIN QUERY PLAN 
  UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-8.6 {
  catchsql { UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5}
} {1 {cannot use index: i2}}

# Test that bug #3560 is fixed.
#
do_test indexedby-9.1 {
  execsql {
    CREATE TABLE maintable( id integer);
    CREATE TABLE joinme(id_int integer, id_text text);
    CREATE INDEX joinme_id_text_idx on joinme(id_text);
    CREATE INDEX joinme_id_int_idx on joinme(id_int);
  }
} {}
do_test indexedby-9.2 {
  catchsql {
    select * from maintable as m inner join
    joinme as j indexed by joinme_id_text_idx
    on ( m.id  = j.id_int)
  }
} {1 {cannot use index: joinme_id_text_idx}}
do_test indexedby-9.3 {
  catchsql { select * from maintable, joinme INDEXED by joinme_id_text_idx }
} {1 {cannot use index: joinme_id_text_idx}}

# Make sure we can still create tables, indices, and columns whose name
# is "indexed".
#
do_test indexedby-10.1 {
  execsql {
    CREATE TABLE indexed(x,y);








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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.5 {
  EXPLAIN QUERY PLAN 
  UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-8.6 {
  catchsql { UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5}
} {1 {no query solution}}

# Test that bug #3560 is fixed.
#
do_test indexedby-9.1 {
  execsql {
    CREATE TABLE maintable( id integer);
    CREATE TABLE joinme(id_int integer, id_text text);
    CREATE INDEX joinme_id_text_idx on joinme(id_text);
    CREATE INDEX joinme_id_int_idx on joinme(id_int);
  }
} {}
do_test indexedby-9.2 {
  catchsql {
    select * from maintable as m inner join
    joinme as j indexed by joinme_id_text_idx
    on ( m.id  = j.id_int)
  }
} {1 {no query solution}}
do_test indexedby-9.3 {
  catchsql { select * from maintable, joinme INDEXED by joinme_id_text_idx }
} {1 {no query solution}}

# Make sure we can still create tables, indices, and columns whose name
# is "indexed".
#
do_test indexedby-10.1 {
  execsql {
    CREATE TABLE indexed(x,y);
︙︙
Changes to test/orderby1.test.
︙︙
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  }
} {three-a three-c two-a two-b one-a one-c}  ;# verify same order after sorting
do_test 1.4c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn
  }
} {/ORDER BY/}  ;# separate sorting pass due to mixed DESC/ASC


do_test 1.5a {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn DESC
  }
} {one-c one-a two-b two-a three-c three-a}
do_test 1.5b {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY +title, +tn DESC
  }
} {one-c one-a two-b two-a three-c three-a}  ;# verify same order after sorting
do_test 1.5c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn DESC
  }
} {/ORDER BY/}  ;# separate sorting pass due to mixed DESC/ASC

do_test 1.6a {
  db eval {
    SELECT name FROM album CROSS JOIN track USING (aid)
     ORDER BY title DESC, tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}








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  }
} {three-a three-c two-a two-b one-a one-c}  ;# verify same order after sorting
do_test 1.4c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn
  }

} {~/ORDER BY/}  ;# ORDER BY suppressed due to uniqueness constraints

do_test 1.5a {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn DESC
  }
} {one-c one-a two-b two-a three-c three-a}
do_test 1.5b {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY +title, +tn DESC
  }
} {one-c one-a two-b two-a three-c three-a}  ;# verify same order after sorting
do_test 1.5c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn DESC
  }
} {~/ORDER BY/}  ;# ORDER BY suppressed due to uniqueness constraints

do_test 1.6a {
  db eval {
    SELECT name FROM album CROSS JOIN track USING (aid)
     ORDER BY title DESC, tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}
︙︙
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  }
} {one-a one-c two-a two-b three-a three-c}  ;# verify same order after sorting
do_test 3.4c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn
  }
} {/ORDER BY/}  ;# separate sorting pass due to mismatched DESC/ASC


do_test 3.5a {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}
do_test 3.5b {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY +title DESC, +tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}  ;# verify same order after sorting
do_test 3.5c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn DESC
  }
} {/ORDER BY/}  ;# separate sorting pass due to mismatched ASC/DESC


do_test 3.6a {
  db eval {
    SELECT name FROM album CROSS JOIN track USING (aid) ORDER BY title DESC, tn
  }
} {three-a three-c two-a two-b one-a one-c}








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  }
} {one-a one-c two-a two-b three-a three-c}  ;# verify same order after sorting
do_test 3.4c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title, tn
  }

} {~/ORDER BY/}  ;# ORDER BY suppressed by uniqueness constraints

do_test 3.5a {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}
do_test 3.5b {
  db eval {
    SELECT name FROM album JOIN track USING (aid) ORDER BY +title DESC, +tn DESC
  }
} {three-c three-a two-b two-a one-c one-a}  ;# verify same order after sorting
do_test 3.5c {
  db eval {
    EXPLAIN QUERY PLAN
    SELECT name FROM album JOIN track USING (aid) ORDER BY title DESC, tn DESC
  }
} {~/ORDER BY/}  ;# ORDER BY suppressed by uniqueness constraints


do_test 3.6a {
  db eval {
    SELECT name FROM album CROSS JOIN track USING (aid) ORDER BY title DESC, tn
  }
} {three-a three-c two-a two-b one-a one-c}
︙︙
Changes to test/permutations.test.
︙︙
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}

test_suite "queryplanner" -prefix "" -description {
  Tests of the query planner and query optimizer
} -files {
  alter2.test alter3.test alter4.test alter.test analyze3.test
  analyze4.test analyze5.test analyze6.test analyze7.test analyze8.test
  analyze.test attach2.test attach3.test attach4.test attachmalloc.test
  attach.test autoinc.test autoindex1.test between.test cast.test
  check.test closure01.test coalesce.test collate1.test collate2.test
  collate3.test collate4.test collate5.test collate6.test collate7.test
  collate8.test collate9.test collateA.test colmeta.test colname.test
  conflict.test count.test coveridxscan.test createtab.test cse.test
  date.test dbstatus2.test dbstatus.test default.test delete2.test
  delete3.test delete.test descidx1.test descidx2.test descidx3.test
  distinctagg.test distinct.test e_createtable.test e_delete.test
  e_droptrigger.test e_dropview.test e_expr.test e_fkey.test e_insert.test
  eqp.test e_reindex.test e_resolve.test e_select2.test e_select.test
  e_update.test exists.test expr.test fkey1.test fkey2.test fkey3.test
  fkey4.test fkey5.test fkey_malloc.test format4.test func2.test
  func3.test func.test fuzz2.test fuzz3.test fuzzer1.test fuzz-oss1.test
  fuzz.test in2.test in3.test in4.test in5.test index2.test index3.test
  index4.test index5.test indexedby.test indexfault.test index.test
  insert2.test insert3.test insert4.test insert5.test insert.test
  instr.test in.test intpkey.test join2.test join3.test join4.test
  join5.test join6.test join.test like2.test like.test limit.test
  minmax2.test minmax3.test minmax4.test minmax.test misc1.test misc2.test
  misc3.test misc4.test misc5.test misc6.test misc7.test orderby1.test
  orderby2.test orderby3.test orderby4.test randexpr1.test regexp1.test
  reindex.test rowhash.test rowid.test schema2.test schema3.test
  schema4.test schema5.test schema.test securedel2.test securedel.test
  select1.test select2.test select3.test select4.test select5.test
  select6.test select7.test select8.test select9.test selectA.test
  selectB.test selectC.test selectD.test selectE.test sidedelete.test
  sort.test spellfix.test subquery2.test subquery.test subselect.test
  substr.test tkt-02a8e81d44.test tkt1435.test tkt1443.test tkt1444.test
  tkt1449.test tkt1473.test tkt1501.test tkt1512.test tkt1514.test
  tkt1536.test tkt1537.test tkt1567.test tkt1644.test tkt1667.test








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}

test_suite "queryplanner" -prefix "" -description {
  Tests of the query planner and query optimizer
} -files {
  alter2.test alter3.test alter4.test alter.test analyze3.test
  analyze4.test analyze5.test analyze6.test analyze7.test analyze8.test
  analyze.test attach2.test attach3.test attach4.test
  attach.test autoinc.test autoindex1.test between.test cast.test
  check.test closure01.test coalesce.test collate1.test collate2.test
  collate3.test collate4.test collate5.test collate6.test collate7.test
  collate8.test collate9.test collateA.test colmeta.test colname.test
  conflict.test count.test coveridxscan.test createtab.test cse.test
  date.test dbstatus2.test dbstatus.test default.test delete2.test
  delete3.test delete.test descidx1.test descidx2.test descidx3.test
  distinctagg.test distinct.test e_createtable.test e_delete.test
  e_droptrigger.test e_dropview.test e_expr.test e_insert.test
  eqp.test e_reindex.test e_resolve.test e_select2.test e_select.test
  e_update.test exists.test expr.test fkey1.test fkey2.test fkey3.test
  fkey4.test fkey5.test func2.test func3.test func.test 

  in3.test in4.test in5.test index2.test index3.test
  index4.test index5.test indexedby.test index.test
  insert2.test insert3.test insert4.test insert5.test insert.test
  instr.test in.test intpkey.test join2.test join3.test join4.test
  join5.test join6.test join.test like2.test like.test limit.test
  minmax2.test minmax3.test minmax4.test minmax.test misc1.test misc2.test
  misc3.test misc4.test misc5.test misc6.test misc7.test orderby1.test
  orderby2.test orderby3.test orderby4.test randexpr1.test regexp1.test
  reindex.test rowhash.test rowid.test schema2.test schema3.test
  schema4.test schema5.test schema.test
  select1.test select2.test select3.test select4.test select5.test
  select6.test select7.test select8.test select9.test selectA.test
  selectB.test selectC.test selectD.test selectE.test sidedelete.test
  sort.test spellfix.test subquery2.test subquery.test subselect.test
  substr.test tkt-02a8e81d44.test tkt1435.test tkt1443.test tkt1444.test
  tkt1449.test tkt1473.test tkt1501.test tkt1512.test tkt1514.test
  tkt1536.test tkt1537.test tkt1567.test tkt1644.test tkt1667.test
︙︙
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  tkt-f973c7ac31.test tkt-fa7bf5ec.test tkt-fc62af4523.test
  tkt-fc7bd6358f.test trigger1.test trigger2.test trigger3.test
  trigger4.test trigger5.test trigger6.test trigger7.test trigger8.test
  trigger9.test triggerA.test triggerB.test triggerC.test triggerD.test
  types2.test types3.test types.test unique.test unordered.test
  update.test view.test vtab1.test vtab2.test vtab3.test vtab4.test
  vtab5.test vtab6.test vtab7.test vtab8.test vtab9.test vtab_alter.test
  vtabA.test vtabB.test vtabC.test vtabD.test vtab_err.test vtabE.test
  vtabF.test where2.test where3.test where4.test where5.test where6.test
  where7.test where8m.test where8.test where9.test whereA.test whereB.test
  whereC.test whereD.test whereE.test whereF.test wherelimit.test
  where.test
}

lappend ::testsuitelist xxx








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  tkt-f973c7ac31.test tkt-fa7bf5ec.test tkt-fc62af4523.test
  tkt-fc7bd6358f.test trigger1.test trigger2.test trigger3.test
  trigger4.test trigger5.test trigger6.test trigger7.test trigger8.test
  trigger9.test triggerA.test triggerB.test triggerC.test triggerD.test
  types2.test types3.test types.test unique.test unordered.test
  update.test view.test vtab1.test vtab2.test vtab3.test vtab4.test
  vtab5.test vtab6.test vtab7.test vtab8.test vtab9.test vtab_alter.test
  vtabA.test vtabB.test vtabC.test vtabD.test vtabE.test
  vtabF.test where2.test where3.test where4.test where5.test where6.test
  where7.test where8m.test where8.test where9.test whereA.test whereB.test
  whereC.test whereD.test whereE.test whereF.test wherelimit.test
  where.test
}

lappend ::testsuitelist xxx
︙︙
Changes to test/tkt-2a5629202f.test.
︙︙
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do_execsql_test 1.3 {
  CREATE UNIQUE INDEX i1 ON t8(b);
  SELECT coalesce(b, 'null') || '/' || c FROM t8 x ORDER BY x.b, x.c
} {null/four null/three a/one b/two}

do_execsql_test 1.4 {
  DROP INDEX t8;
  CREATE UNIQUE INDEX i1 ON t8(b, c);
  SELECT coalesce(b, 'null') || '/' || c FROM t8 x ORDER BY x.b, x.c
} {null/four null/three a/one b/two}

#-------------------------------------------------------------------------
#









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do_execsql_test 1.3 {
  CREATE UNIQUE INDEX i1 ON t8(b);
  SELECT coalesce(b, 'null') || '/' || c FROM t8 x ORDER BY x.b, x.c
} {null/four null/three a/one b/two}

do_execsql_test 1.4 {
  DROP INDEX i1;
  CREATE UNIQUE INDEX i1 ON t8(b, c);
  SELECT coalesce(b, 'null') || '/' || c FROM t8 x ORDER BY x.b, x.c
} {null/four null/three a/one b/two}

#-------------------------------------------------------------------------
#
︙︙
Changes to test/unordered.test.
︙︙
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        {0 0 0 {SCAN TABLE t1}}
    3   "SELECT * FROM t1 WHERE a = ? ORDER BY rowid"
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)} 
         0 0 0 {USE TEMP B-TREE FOR ORDER BY}}
    4   "SELECT max(a) FROM t1"
        {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1}}
        {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1}}
    5   "SELECT group_concat(b) FROM t1 GROUP BY a"
        {0 0 0 {SCAN TABLE t1 USING INDEX i1}}
        {0 0 0 {SCAN TABLE t1} 0 0 0 {USE TEMP B-TREE FOR GROUP BY}}

    6   "SELECT * FROM t1 WHERE a = ?"
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
    7   "SELECT count(*) FROM t1"
        {0 0 0 {SCAN TABLE t1 USING COVERING INDEX i1(~128 rows)}}
        {0 0 0 {SCAN TABLE t1}}
  } {
    do_eqp_test 1.$idxmode.$tn $sql $r($idxmode)
  }
}

finish_test








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        {0 0 0 {SCAN TABLE t1}}
    3   "SELECT * FROM t1 WHERE a = ? ORDER BY rowid"
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)} 
         0 0 0 {USE TEMP B-TREE FOR ORDER BY}}
    4   "SELECT max(a) FROM t1"
        {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1}}
        {0 0 0 {SEARCH TABLE t1}}
    5   "SELECT group_concat(b) FROM t1 GROUP BY a"
        {0 0 0 {SCAN TABLE t1 USING INDEX i1}}
        {0 0 0 {SCAN TABLE t1} 0 0 0 {USE TEMP B-TREE FOR GROUP BY}}

    6   "SELECT * FROM t1 WHERE a = ?"
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
    7   "SELECT count(*) FROM t1"
        {0 0 0 {SCAN TABLE t1 USING COVERING INDEX i1}}
        {0 0 0 {SCAN TABLE t1}}
  } {
    do_eqp_test 1.$idxmode.$tn $sql $r($idxmode)
  }
}

finish_test
Changes to test/vtab1.test.
︙︙
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} [list \
  1 red green 2 hearts diamonds  \
  2 blue black 2 hearts diamonds \
]
do_test vtab1-5-7 {
  filter $::echo_module
} [list \

  xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
  xFilter {SELECT rowid, * FROM 't1'}             \
]

execsql {
  DROP TABLE t1;
  DROP TABLE t2;
  DROP TABLE et1;
  DROP TABLE et2;








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} [list \
  1 red green 2 hearts diamonds  \
  2 blue black 2 hearts diamonds \
]
do_test vtab1-5-7 {
  filter $::echo_module
} [list \
  xFilter {SELECT rowid, * FROM 't1'}             \
  xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
  xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
]

execsql {
  DROP TABLE t1;
  DROP TABLE t2;
  DROP TABLE et1;
  DROP TABLE et2;
︙︙
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} {}
do_test vtab1-14.015 {
  execsql {SELECT * FROM echo_c WHERE +a NOT IN (1,8,'x',NULL,15,24)}
} {}



do_test vtab1-14.1 {
  execsql { DELETE FROM c }
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE rowid IN (1, 2, 3) }
  set echo_module
} {/xBestIndex {SELECT rowid, . FROM 'c' WHERE rowid = .} xFilter {SELECT rowid, . FROM 'c' WHERE rowid = .} 1/}

do_test vtab1-14.2 {
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE rowid = 1 }
  set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE rowid = ?} xFilter {SELECT rowid, * FROM 'c' WHERE rowid = ?} 1]

do_test vtab1-14.3 {
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE a = 1 }
  set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE a = ?} xFilter {SELECT rowid, * FROM 'c' WHERE a = ?} 1]

do_test vtab1-14.4 {
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE a IN (1, 2) }
  set echo_module
} {/xBestIndex {SELECT rowid, . FROM 'c' WHERE a = .} xFilter {SELECT rowid, . FROM 'c' WHERE a = .} 1/}

do_test vtab1-15.1 {
  execsql {
    CREATE TABLE t1(a, b, c);
    CREATE VIRTUAL TABLE echo_t1 USING echo(t1);
  }
} {}








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} {}
do_test vtab1-14.015 {
  execsql {SELECT * FROM echo_c WHERE +a NOT IN (1,8,'x',NULL,15,24)}
} {}



#do_test vtab1-14.1 {
#  execsql { DELETE FROM c }
#  set echo_module ""
#  execsql { SELECT * FROM echo_c WHERE rowid IN (1, 2, 3) }
#  set echo_module
#} {/.*xBestIndex {SELECT rowid, . FROM 'c' WHERE rowid = .} xFilter {SELECT rowid, . FROM 'c'} 1/}

do_test vtab1-14.2 {
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE rowid = 1 }
  set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE rowid = ?} xFilter {SELECT rowid, * FROM 'c' WHERE rowid = ?} 1]

do_test vtab1-14.3 {
  set echo_module ""
  execsql { SELECT * FROM echo_c WHERE a = 1 }
  set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE a = ?} xFilter {SELECT rowid, * FROM 'c' WHERE a = ?} 1]

#do_test vtab1-14.4 {
#  set echo_module ""
#  execsql { SELECT * FROM echo_c WHERE a IN (1, 2) }
#  set echo_module
#} {/xBestIndex {SELECT rowid, . FROM 'c' WHERE a = .} xFilter {SELECT rowid, . FROM 'c' WHERE a = .} 1/}

do_test vtab1-15.1 {
  execsql {
    CREATE TABLE t1(a, b, c);
    CREATE VIRTUAL TABLE echo_t1 USING echo(t1);
  }
} {}
︙︙
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set ::echo_module_ignore_usable 1
db cache flush

do_test vtab6-11.4.1 {
  catchsql {
    SELECT a, b, c FROM ab NATURAL JOIN bc;
  }
} {1 {table bc: xBestIndex returned an invalid plan}}
do_test vtab6-11.4.2 {
  catchsql {
    SELECT a, b, c FROM bc NATURAL JOIN ab;
  }
} {1 {table ab: xBestIndex returned an invalid plan}}

unset ::echo_module_ignore_usable

finish_test








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set ::echo_module_ignore_usable 1
db cache flush

do_test vtab6-11.4.1 {
  catchsql {
    SELECT a, b, c FROM ab NATURAL JOIN bc;
  }
} {1 {table ab: xBestIndex returned an invalid plan}}
do_test vtab6-11.4.2 {
  catchsql {
    SELECT a, b, c FROM bc NATURAL JOIN ab;
  }
} {1 {table bc: xBestIndex returned an invalid plan}}

unset ::echo_module_ignore_usable

finish_test
Changes to test/where.test.
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    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 {








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    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 nosort}
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 {
︙︙
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  }
} [list 6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx]

do_test where2-6.3 {
  queryplan {
    SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=+w ORDER BY +w
  }
} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 {}}
do_test where2-6.4 {
  queryplan {
    SELECT * FROM t1 WHERE w=99 OR +w=100 OR 6=w ORDER BY +w
  }
} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 {}}

set ::idx {}
ifcapable subquery {set ::idx i1zyx}
do_test where2-6.5 {
  queryplan {
    SELECT b.* FROM t1 a, t1 b
     WHERE a.w=1 AND (a.y=b.z OR b.z=10)








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  }
} [list 6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx]

do_test where2-6.3 {
  queryplan {
    SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=+w ORDER BY +w
  }
} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 *}
do_test where2-6.4 {
  queryplan {
    SELECT * FROM t1 WHERE w=99 OR +w=100 OR 6=w ORDER BY +w
  }
} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 *}

set ::idx {}
ifcapable subquery {set ::idx i1zyx}
do_test where2-6.5 {
  queryplan {
    SELECT b.* FROM t1 a, t1 b
     WHERE a.w=1 AND (a.y=b.z OR b.z=10)
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  queryplan {
    -- Because a is type TEXT and b is type INTEGER, both a and b
    -- will attempt to convert to NUMERIC before the comparison.
    -- They will thus compare equal.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b;
  }
} {123 0123 nosort t2249b {} t2249a {}}
do_test where2-6.9 {
  queryplan {
    -- The + operator removes affinity from the rhs.  No conversions
    -- occur and the comparison is false.  The result is an empty set.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b;
  }
} {nosort t2249b {} {} sqlite_autoindex_t2249a_1}
do_test where2-6.9.2 {
  # The same thing but with the expression flipped around.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a
  }
} {nosort t2249b {} {} sqlite_autoindex_t2249a_1}
do_test where2-6.10 {
  queryplan {
    -- Use + on both sides of the comparison to disable indices
    -- completely.  Make sure we get the same result.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE +a=+b;
  }
} {nosort t2249b {} t2249a {}}
do_test where2-6.11 {
  # This will not attempt the OR optimization because of the a=b
  # comparison.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b OR a='hello';
  }
} {123 0123 nosort t2249b {} t2249a {}}
do_test where2-6.11.2 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE b=a OR a='hello';
  }
} {123 0123 nosort t2249b {} t2249a {}}
do_test where2-6.11.3 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE 'hello'=a OR b=a;
  }
} {123 0123 nosort t2249b {} t2249a {}}
do_test where2-6.11.4 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR b=a;
  }
} {123 0123 nosort t2249b {} t2249a {}}
ifcapable explain&&subquery {
  # These tests are not run if subquery support is not included in the
  # build. This is because these tests test the "a = 1 OR a = 2" to
  # "a IN (1, 2)" optimisation transformation, which is not enabled if
  # subqueries and the IN operator is not available.
  #
  do_test where2-6.12 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR a='hello';
    }
  } {nosort t2249b {} {} sqlite_autoindex_t2249a_1}
  do_test where2-6.12.2 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR +b=a;
    }
  } {nosort t2249b {} {} sqlite_autoindex_t2249a_1}
  do_test where2-6.12.3 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a OR a='hello';
    }
  } {nosort t2249b {} {} sqlite_autoindex_t2249a_1}
  do_test where2-6.13 {
    # The addition of +a on the second term disabled the OR optimization.
    # But we should still get the same empty-set result as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR +a='hello';
    }
  } {nosort t2249b {} t2249a {}}
}

# Variations on the order of terms in a WHERE clause in order
# to make sure the OR optimizer can recognize them all.
do_test where2-6.20 {
  queryplan {
    SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a
  }
} {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1}
ifcapable explain&&subquery {
  # These tests are not run if subquery support is not included in the
  # build. This is because these tests test the "a = 1 OR a = 2" to
  # "a IN (1, 2)" optimisation transformation, which is not enabled if
  # subqueries and the IN operator is not available.
  #
  do_test where2-6.21 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a OR y.a='hello'
    }
  } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1}
  do_test where2-6.22 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a=x.a OR y.a='hello'
    }
  } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1}
  do_test where2-6.23 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a='hello' OR x.a=y.a
    }
  } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1}
}

# Unique queries (queries that are guaranteed to return only a single
# row of result) do not call the sorter.  But all tables must give
# a unique result.  If any one table in the join does not give a unique
# result then sorting is necessary.
#








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  queryplan {
    -- Because a is type TEXT and b is type INTEGER, both a and b
    -- will attempt to convert to NUMERIC before the comparison.
    -- They will thus compare equal.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b;
  }
} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.9 {
  queryplan {
    -- The + operator removes affinity from the rhs.  No conversions
    -- occur and the comparison is false.  The result is an empty set.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b;
  }
} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.9.2 {
  # The same thing but with the expression flipped around.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a
  }
} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.10 {
  queryplan {
    -- Use + on both sides of the comparison to disable indices
    -- completely.  Make sure we get the same result.
    --
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE +a=+b;
  }
} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.11 {
  # This will not attempt the OR optimization because of the a=b
  # comparison.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b OR a='hello';
  }
} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.11.2 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE b=a OR a='hello';
  }
} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.11.3 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE 'hello'=a OR b=a;
  }
} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
do_test where2-6.11.4 {
  # Permutations of the expression terms.
  queryplan {
    SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR b=a;
  }
} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
ifcapable explain&&subquery {
  # These tests are not run if subquery support is not included in the
  # build. This is because these tests test the "a = 1 OR a = 2" to
  # "a IN (1, 2)" optimisation transformation, which is not enabled if
  # subqueries and the IN operator is not available.
  #
  do_test where2-6.12 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR a='hello';
    }
  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
  do_test where2-6.12.2 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR +b=a;
    }
  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
  do_test where2-6.12.3 {
    # In this case, the +b disables the affinity conflict and allows
    # the OR optimization to be used again.  The result is now an empty
    # set, the same as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a OR a='hello';
    }
  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
  do_test where2-6.13 {
    # The addition of +a on the second term disabled the OR optimization.
    # But we should still get the same empty-set result as in where2-6.9.
    queryplan {
      SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR +a='hello';
    }
  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
}

# Variations on the order of terms in a WHERE clause in order
# to make sure the OR optimizer can recognize them all.
do_test where2-6.20 {
  queryplan {
    SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a
  }
} {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
ifcapable explain&&subquery {
  # These tests are not run if subquery support is not included in the
  # build. This is because these tests test the "a = 1 OR a = 2" to
  # "a IN (1, 2)" optimisation transformation, which is not enabled if
  # subqueries and the IN operator is not available.
  #
  do_test where2-6.21 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a OR y.a='hello'
    }
  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
  do_test where2-6.22 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a=x.a OR y.a='hello'
    }
  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
  do_test where2-6.23 {
    queryplan {
      SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a='hello' OR x.a=y.a
    }
  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
}

# Unique queries (queries that are guaranteed to return only a single
# row of result) do not call the sorter.  But all tables must give
# a unique result.  If any one table in the join does not give a unique
# result then sorting is necessary.
#
︙︙
Changes to test/where3.test.
︙︙
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  explain query plan
  SELECT * FROM t301, t302 WHERE t302.x=5 AND t301.a=t302.y;
} {
  0 0 1 {SCAN TABLE t302} 
  0 1 0 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
}


# Verify that when there are multiple tables in a join which must be
# full table scans that the query planner attempts put the table with
# the fewest number of output rows as the outer loop.
#
do_execsql_test where3-4.0 {
  CREATE TABLE t400(a INTEGER PRIMARY KEY, b, c);
  CREATE TABLE t401(p INTEGER PRIMARY KEY, q, r);








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  explain query plan
  SELECT * FROM t301, t302 WHERE t302.x=5 AND t301.a=t302.y;
} {
  0 0 1 {SCAN TABLE t302} 
  0 1 0 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
}

if 0 {  # Query planner no longer does this
# Verify that when there are multiple tables in a join which must be
# full table scans that the query planner attempts put the table with
# the fewest number of output rows as the outer loop.
#
do_execsql_test where3-4.0 {
  CREATE TABLE t400(a INTEGER PRIMARY KEY, b, c);
  CREATE TABLE t401(p INTEGER PRIMARY KEY, q, r);
︙︙
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  EXPLAIN QUERY PLAN
  SELECT * FROM t400, t401, t402 WHERE t400.c GLOB 'abc*';
} {
  0 0 0 {SCAN TABLE t400} 
  0 1 1 {SCAN TABLE t401} 
  0 2 2 {SCAN TABLE t402}
}


# Verify that a performance regression encountered by firefox
# has been fixed.
#
do_execsql_test where3-5.0 {
  CREATE TABLE aaa (id INTEGER PRIMARY KEY, type INTEGER,
                    fk INTEGER DEFAULT NULL, parent INTEGER,








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  EXPLAIN QUERY PLAN
  SELECT * FROM t400, t401, t402 WHERE t400.c GLOB 'abc*';
} {
  0 0 0 {SCAN TABLE t400} 
  0 1 1 {SCAN TABLE t401} 
  0 2 2 {SCAN TABLE t402}
}
} ;# endif

# Verify that a performance regression encountered by firefox
# has been fixed.
#
do_execsql_test where3-5.0 {
  CREATE TABLE aaa (id INTEGER PRIMARY KEY, type INTEGER,
                    fk INTEGER DEFAULT NULL, parent INTEGER,
︙︙
Changes to test/where7.test.
︙︙
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} {2 22 23 28 54 80 91 scan 0 sort 0}

# test case for the performance regression fixed by
# check-in 28ba6255282b on 2010-10-21 02:05:06
#
# The test case that follows is code from an actual
# application with identifiers change and unused columns
# remove.
#
do_execsql_test where7-3.1 {
  CREATE TABLE t301 (
      c8 INTEGER PRIMARY KEY,
      c6 INTEGER,
      c4 INTEGER,
      c7 INTEGER,








|








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23301
23302
23303
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23305
23306
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23308
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23311
23312
23313

} {2 22 23 28 54 80 91 scan 0 sort 0}

# test case for the performance regression fixed by
# check-in 28ba6255282b on 2010-10-21 02:05:06
#
# The test case that follows is code from an actual
# application with identifiers change and unused columns
# removed.
#
do_execsql_test where7-3.1 {
  CREATE TABLE t301 (
      c8 INTEGER PRIMARY KEY,
      c6 INTEGER,
      c4 INTEGER,
      c7 INTEGER,
︙︙
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23329
23330
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23337
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  );
  CREATE INDEX t302_c3 on t302(c3);
  CREATE INDEX t302_c8_c3 on t302(c8, c3);
  CREATE INDEX t302_c5 on t302(c5);
  
  EXPLAIN QUERY PLAN
  SELECT t302.c1 
    FROM t302 JOIN t301 ON t302.c8 = t301.c8
    WHERE t302.c2 = 19571
      AND t302.c3 > 1287603136
      AND (t301.c4 = 1407449685622784
           OR t301.c8 = 1407424651264000)
   ORDER BY t302.c5 LIMIT 200;
} {
  0 0 1 {SEARCH TABLE t301 USING COVERING INDEX t301_c4 (c4=?)} 
  0 0 1 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)} 
  0 1 0 {SEARCH TABLE t302 USING INDEX t302_c8_c3 (c8=? AND c3>?)} 
  0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}

finish_test








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  );
  CREATE INDEX t302_c3 on t302(c3);
  CREATE INDEX t302_c8_c3 on t302(c8, c3);
  CREATE INDEX t302_c5 on t302(c5);
  
  EXPLAIN QUERY PLAN
  SELECT t302.c1 
    FROM t302 JOIN t301 ON t302.c8 = +t301.c8
    WHERE t302.c2 = 19571
      AND t302.c3 > 1287603136
      AND (t301.c4 = 1407449685622784
           OR t301.c8 = 1407424651264000)
   ORDER BY t302.c5 LIMIT 200;
} {
  0 0 1 {SEARCH TABLE t301 USING COVERING INDEX t301_c4 (c4=?)} 
  0 0 1 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)} 
  0 1 0 {SEARCH TABLE t302 USING INDEX t302_c8_c3 (c8=? AND c3>?)} 
  0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}

finish_test