{ SQLITE_DBCONFIG_RESET_DATABASE,        SQLITE_ResetDatabase  },
        { SQLITE_DBCONFIG_DEFENSIVE,             SQLITE_Defensive      },
        { SQLITE_DBCONFIG_WRITABLE_SCHEMA,       SQLITE_WriteSchema|
                                                 SQLITE_NoSchemaError  },
        { SQLITE_DBCONFIG_LEGACY_ALTER_TABLE,    SQLITE_LegacyAlter    },
        { SQLITE_DBCONFIG_DQS_DDL,               SQLITE_DqsDDL         },
        { SQLITE_DBCONFIG_DQS_DML,               SQLITE_DqsDML         },

      };
      unsigned int i;
      rc = SQLITE_ERROR; /* IMP: R-42790-23372 */
      for(i=0; i<ArraySize(aFlagOp); i++){
        if( aFlagOp[i].op==op ){
          int onoff = va_arg(ap, int);
          int *pRes = va_arg(ap, int*);

        { SQLITE_DBCONFIG_RESET_DATABASE,        SQLITE_ResetDatabase  },
        { SQLITE_DBCONFIG_DEFENSIVE,             SQLITE_Defensive      },
        { SQLITE_DBCONFIG_WRITABLE_SCHEMA,       SQLITE_WriteSchema|
                                                 SQLITE_NoSchemaError  },
        { SQLITE_DBCONFIG_LEGACY_ALTER_TABLE,    SQLITE_LegacyAlter    },
        { SQLITE_DBCONFIG_DQS_DDL,               SQLITE_DqsDDL         },
        { SQLITE_DBCONFIG_DQS_DML,               SQLITE_DqsDML         },
        { SQLITE_DBCONFIG_LEGACY_FILE_FORMAT,    SQLITE_LegacyFileFmt  },
      };
      unsigned int i;
      rc = SQLITE_ERROR; /* IMP: R-42790-23372 */
      for(i=0; i<ArraySize(aFlagOp); i++){
        if( aFlagOp[i].op==op ){
          int onoff = va_arg(ap, int);
          int *pRes = va_arg(ap, int*);

#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "legacy_alter_table",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_LegacyAlter },
 {/* zName:     */ "legacy_file_format",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_LegacyFileFmt },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
 {/* zName:     */ "lock_proxy_file",
  /* ePragTyp:  */ PragTyp_LOCK_PROXY_FILE,
  /* ePragFlg:  */ PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 65 on by default, 81 total. */

#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "legacy_alter_table",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_LegacyAlter },





#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
 {/* zName:     */ "lock_proxy_file",
  /* ePragTyp:  */ PragTyp_LOCK_PROXY_FILE,
  /* ePragFlg:  */ PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 64 on by default, 80 total. */

        { "trigger_eqp",        SQLITE_DBCONFIG_TRIGGER_EQP           },
        { "reset_database",     SQLITE_DBCONFIG_RESET_DATABASE        },
        { "defensive",          SQLITE_DBCONFIG_DEFENSIVE             },
        { "writable_schema",    SQLITE_DBCONFIG_WRITABLE_SCHEMA       },
        { "legacy_alter_table", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    },
        { "dqs_dml",            SQLITE_DBCONFIG_DQS_DML               },
        { "dqs_ddl",            SQLITE_DBCONFIG_DQS_DDL               },

    };
    int ii, v;
    open_db(p, 0);
    for(ii=0; ii<ArraySize(aDbConfig); ii++){
      if( nArg>1 && strcmp(azArg[1], aDbConfig[ii].zName)!=0 ) continue;
      if( nArg>=3 ){
        sqlite3_db_config(p->db, aDbConfig[ii].op, booleanValue(azArg[2]), 0);

        { "trigger_eqp",        SQLITE_DBCONFIG_TRIGGER_EQP           },
        { "reset_database",     SQLITE_DBCONFIG_RESET_DATABASE        },
        { "defensive",          SQLITE_DBCONFIG_DEFENSIVE             },
        { "writable_schema",    SQLITE_DBCONFIG_WRITABLE_SCHEMA       },
        { "legacy_alter_table", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    },
        { "dqs_dml",            SQLITE_DBCONFIG_DQS_DML               },
        { "dqs_ddl",            SQLITE_DBCONFIG_DQS_DDL               },
        { "legacy_file_format", SQLITE_DBCONFIG_LEGACY_FILE_FORMAT    },
    };
    int ii, v;
    open_db(p, 0);
    for(ii=0; ii<ArraySize(aDbConfig); ii++){
      if( nArg>1 && strcmp(azArg[1], aDbConfig[ii].zName)!=0 ) continue;
      if( nArg>=3 ){
        sqlite3_db_config(p->db, aDbConfig[ii].op, booleanValue(azArg[2]), 0);

** <dt>SQLITE_DBCONFIG_DQS_DDL</td>
** <dd>The SQLITE_DBCONFIG_DQS option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DDL statements,
** such as CREATE TABLE and CREATE INDEX. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>






















** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
................................................................................
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    1012 /* int int* */
#define SQLITE_DBCONFIG_DQS_DML               1013 /* int int* */
#define SQLITE_DBCONFIG_DQS_DDL               1014 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_VIEW           1015 /* int int* */

#define SQLITE_DBCONFIG_MAX                   1015 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result

** <dt>SQLITE_DBCONFIG_DQS_DDL</td>
** <dd>The SQLITE_DBCONFIG_DQS option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DDL statements,
** such as CREATE TABLE and CREATE INDEX. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>
**
** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]]
** <dt>SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</td>
** <dd>The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates
** the legacy file format flag.  When activated, this flag causes all newly
** created database file to have a schema format version number (the 4-byte
** integer found at offset 44 into the database header) of 1.  This in turn
** means that the resulting database file will be readable and writable by
** any SQLite version back to 3.0.0 ([dateof:3.0.0]).  Without this setting,
** newly created databases are generally not understandable by SQLite versions
** prior to 3.3.0 ([dateof:3.3.0]).  As these words are written, there
** is now scarcely any need to generated database files that are compatible 
** all the way back to version 3.0.0, and so this setting is of little
** practical use, but is provided so that SQLite can continue to claim the
** ability to generate new database files that are compatible with  version
** 3.0.0.
** <p>Note that when the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT setting is on,
** the [VACUUM] command will fail with an obscure error when attempting to
** process a table with generated columns and a descending index.  This is
** not considered a bug since SQLite versions 3.3.0 and earlier do not support
** either generated columns or decending indexes.
** </dd>
** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
................................................................................
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    1012 /* int int* */
#define SQLITE_DBCONFIG_DQS_DML               1013 /* int int* */
#define SQLITE_DBCONFIG_DQS_DDL               1014 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_VIEW           1015 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT    1016 /* int int* */
#define SQLITE_DBCONFIG_MAX                   1016 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result

    { "TRIGGER_EQP",        SQLITE_DBCONFIG_TRIGGER_EQP },
    { "RESET_DB",           SQLITE_DBCONFIG_RESET_DATABASE },
    { "DEFENSIVE",          SQLITE_DBCONFIG_DEFENSIVE },
    { "WRITABLE_SCHEMA",    SQLITE_DBCONFIG_WRITABLE_SCHEMA },
    { "LEGACY_ALTER_TABLE", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE },
    { "DQS_DML",            SQLITE_DBCONFIG_DQS_DML },
    { "DQS_DDL",            SQLITE_DBCONFIG_DQS_DDL },

  };
  int i;
  int v;
  const char *zSetting;
  sqlite3 *db;

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING VALUE");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zSetting = Tcl_GetString(objv[2]);
  if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
  if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
  if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
................................................................................
    if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
  }
  if( i>=ArraySize(aSetting) ){
    Tcl_SetObjResult(interp,
      Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
    return TCL_ERROR;
  }

  if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;



  sqlite3_db_config(db, aSetting[i].eVal, v, &v);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
  return TCL_OK;
}

/*
** Change the name of the main database schema from "main" to "icecube".

    { "TRIGGER_EQP",        SQLITE_DBCONFIG_TRIGGER_EQP },
    { "RESET_DB",           SQLITE_DBCONFIG_RESET_DATABASE },
    { "DEFENSIVE",          SQLITE_DBCONFIG_DEFENSIVE },
    { "WRITABLE_SCHEMA",    SQLITE_DBCONFIG_WRITABLE_SCHEMA },
    { "LEGACY_ALTER_TABLE", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE },
    { "DQS_DML",            SQLITE_DBCONFIG_DQS_DML },
    { "DQS_DDL",            SQLITE_DBCONFIG_DQS_DDL },
    { "LEGACY_FILE_FORMAT", SQLITE_DBCONFIG_LEGACY_FILE_FORMAT },
  };
  int i;
  int v = 0;
  const char *zSetting;
  sqlite3 *db;

  if( objc!=4 && objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING [VALUE]");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zSetting = Tcl_GetString(objv[2]);
  if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
  if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
  if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
................................................................................
    if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
  }
  if( i>=ArraySize(aSetting) ){
    Tcl_SetObjResult(interp,
      Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
    return TCL_ERROR;
  }
  if( objc==4 ){
    if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
  }else{
    v = -1;
  }
  sqlite3_db_config(db, aSetting[i].eVal, v, &v);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
  return TCL_OK;
}

/*
** Change the name of the main database schema from "main" to "icecube".

# This procedure returns the value of the file-format in file 'test.db'.
# 
proc get_file_format {{fname test.db}} {
  return [hexio_get_int [hexio_read $fname 44 4]]
}

do_test alter3-1.1 {

  execsql {
    PRAGMA legacy_file_format=ON;
    CREATE TABLE abc(a, b, c);
    SELECT sql FROM sqlite_master;
  }
} {{CREATE TABLE abc(a, b, c)}}
do_test alter3-1.2 {
  execsql {ALTER TABLE abc ADD d INTEGER;}
  execsql {
................................................................................
  } {11}
}

do_test alter3-4.1 {
  db close
  forcedelete test.db
  set ::DB [sqlite3 db test.db]

  execsql {
    PRAGMA legacy_file_format=ON;
    CREATE TABLE t1(a, b);
    INSERT INTO t1 VALUES(1, 100);
    INSERT INTO t1 VALUES(2, 300);
    SELECT * FROM t1;
  }
} {1 100 2 300}
do_test alter3-4.1 {

# This procedure returns the value of the file-format in file 'test.db'.
# 
proc get_file_format {{fname test.db}} {
  return [hexio_get_int [hexio_read $fname 44 4]]
}

do_test alter3-1.1 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  execsql {

    CREATE TABLE abc(a, b, c);
    SELECT sql FROM sqlite_master;
  }
} {{CREATE TABLE abc(a, b, c)}}
do_test alter3-1.2 {
  execsql {ALTER TABLE abc ADD d INTEGER;}
  execsql {
................................................................................
  } {11}
}

do_test alter3-4.1 {
  db close
  forcedelete test.db
  set ::DB [sqlite3 db test.db]
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  execsql {

    CREATE TABLE t1(a, b);
    INSERT INTO t1 VALUES(1, 100);
    INSERT INTO t1 VALUES(2, 300);
    SELECT * FROM t1;
  }
} {1 100 2 300}
do_test alter3-4.1 {

# does not corrupt DESC indexes.
#
# Ticket https://www.sqlite.org/src/tktview/f68bf68513a1c
#
do_test alter4-10.1 {
  db close
  sqlite3 db :memory:

  db eval {
    PRAGMA legacy_file_format=on;
    CREATE TABLE t1(a,b,c);
    CREATE INDEX t1a ON t1(a DESC);
    INSERT INTO t1 VALUES(1,2,3);
    INSERT INTO t1 VALUES(2,3,4);
    ALTER TABLE t1 ADD COLUMN d;
    PRAGMA integrity_check;
  }

# does not corrupt DESC indexes.
#
# Ticket https://www.sqlite.org/src/tktview/f68bf68513a1c
#
do_test alter4-10.1 {
  db close
  sqlite3 db :memory:
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  db eval {

    CREATE TABLE t1(a,b,c);
    CREATE INDEX t1a ON t1(a DESC);
    INSERT INTO t1 VALUES(1,2,3);
    INSERT INTO t1 VALUES(2,3,4);
    ALTER TABLE t1 ADD COLUMN d;
    PRAGMA integrity_check;
  }

  } {}
  do_execsql_test 13.3.2 {
    SELECT * FROM log;
  } {}
}

finish_test

  } {}
  do_execsql_test 13.3.2 {
    SELECT * FROM log;
  } {}
}

finish_test

# These tests deal with corrupt database files
#
database_may_be_corrupt

# Construct a compact, dense database for testing.
#
do_test corruptC-1.1 {

  execsql {
    PRAGMA auto_vacuum = 0;
    PRAGMA legacy_file_format=1;
    BEGIN;
    CREATE TABLE t1(x,y);
    INSERT INTO t1 VALUES(1,1);
    INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;

# These tests deal with corrupt database files
#
database_may_be_corrupt

# Construct a compact, dense database for testing.
#
do_test corruptC-1.1 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  execsql {
    PRAGMA auto_vacuum = 0;

    BEGIN;
    CREATE TABLE t1(x,y);
    INSERT INTO t1 VALUES(1,1);
    INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;

  finish_test
  return
}

# Construct a compact, dense database for testing.
#
do_test corruptE-1.1 {

  execsql {
    PRAGMA auto_vacuum = 0;
    PRAGMA legacy_file_format=1;
    BEGIN;
    CREATE TABLE t1(x,y);
    INSERT INTO t1 VALUES(1,1);
    INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;

  finish_test
  return
}

# Construct a compact, dense database for testing.
#
do_test corruptE-1.1 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  execsql {
    PRAGMA auto_vacuum = 0;

    BEGIN;
    CREATE TABLE t1(x,y);
    INSERT INTO t1 VALUES(1,1);
    INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
    INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;

source $testdir/tester.tcl

# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
do_not_use_codec

db eval {PRAGMA legacy_file_format=OFF}


# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
................................................................................
# the get_file_format command.
#
ifcapable legacyformat {
  do_test descidx1-6.1 {
    db close
    forcedelete test.db test.db-journal
    sqlite3 db test.db
    execsql {PRAGMA legacy_file_format}
  } {1}
} else {
  do_test descidx1-6.1 {
    db close
    forcedelete test.db test.db-journal
    sqlite3 db test.db
    execsql {PRAGMA legacy_file_format}
  } {0}
}
do_test descidx1-6.2 {
  execsql {PRAGMA legacy_file_format=YES}
  execsql {PRAGMA legacy_file_format}
} {1}
do_test descidx1-6.3 {
  execsql {
    CREATE TABLE t1(a,b,c);
  }
  get_file_format
} {1}
................................................................................
    get_file_format
  } {1}
}
do_test descidx1-6.4 {
  db close
  forcedelete test.db test.db-journal
  sqlite3 db test.db
  execsql {PRAGMA legacy_file_format=NO}
  execsql {PRAGMA legacy_file_format}
} {0}
do_test descidx1-6.5 {
  execsql {
    CREATE TABLE t1(a,b,c);
    CREATE INDEX i1 ON t1(a ASC, b DESC, c ASC);
    INSERT INTO t1 VALUES(1,2,3);
    INSERT INTO t1 VALUES(1,1,0);
................................................................................
ifcapable vacuum {
  # Verify that the file format is preserved across a vacuum.
  do_test descidx1-6.6 {
    execsql {VACUUM}
    get_file_format
  } {4}
  do_test descidx1-6.7 {

    execsql {
      PRAGMA legacy_file_format=ON;
      VACUUM;
    }
    get_file_format
  } {4}
} 



finish_test

source $testdir/tester.tcl

# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
do_not_use_codec

#db eval {PRAGMA legacy_file_format=OFF}
sqlite3_db_config db LEGACY_FILE_FORMAT 0

# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
................................................................................
# the get_file_format command.
#
ifcapable legacyformat {
  do_test descidx1-6.1 {
    db close
    forcedelete test.db test.db-journal
    sqlite3 db test.db
    sqlite3_db_config db LEGACY_FILE_FORMAT
  } {1}
} else {
  do_test descidx1-6.1 {
    db close
    forcedelete test.db test.db-journal
    sqlite3 db test.db
    sqlite3_db_config db LEGACY_FILE_FORMAT
  } {0}
}
do_test descidx1-6.2 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 1
  sqlite3_db_config db LEGACY_FILE_FORMAT
} {1}
do_test descidx1-6.3 {
  execsql {
    CREATE TABLE t1(a,b,c);
  }
  get_file_format
} {1}
................................................................................
    get_file_format
  } {1}
}
do_test descidx1-6.4 {
  db close
  forcedelete test.db test.db-journal
  sqlite3 db test.db
  sqlite3_db_config db LEGACY_FILE_FORMAT 0
  sqlite3_db_config db LEGACY_FILE_FORMAT
} {0}
do_test descidx1-6.5 {
  execsql {
    CREATE TABLE t1(a,b,c);
    CREATE INDEX i1 ON t1(a ASC, b DESC, c ASC);
    INSERT INTO t1 VALUES(1,2,3);
    INSERT INTO t1 VALUES(1,1,0);
................................................................................
ifcapable vacuum {
  # Verify that the file format is preserved across a vacuum.
  do_test descidx1-6.6 {
    execsql {VACUUM}
    get_file_format
  } {4}
  do_test descidx1-6.7 {
    sqlite3_db_config db LEGACY_FILE_FORMAT 1
    execsql {

      VACUUM;
    }
    get_file_format
  } {4}
} 



finish_test

# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
do_not_use_codec


db eval {PRAGMA legacy_file_format=OFF}


# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]

# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
do_not_use_codec


#db eval {PRAGMA legacy_file_format=OFF}
sqlite3_db_config db LEGACY_FILE_FORMAT 0

# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]

#
do_not_use_codec

ifcapable !bloblit {
  finish_test
  return
}
db eval {PRAGMA legacy_file_format=OFF}


# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]

#
do_not_use_codec

ifcapable !bloblit {
  finish_test
  return
}
#db eval {PRAGMA legacy_file_format=OFF}
sqlite3_db_config db LEGACY_FILE_FORMAT 0

# This procedure sets the value of the file-format in file 'test.db'
# to $newval. Also, the schema cookie is incremented.
# 
proc set_file_format {newval} {
  hexio_write test.db 44 [hexio_render_int32 $newval]
  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]

  SELECT DISTINCT * FROM t0 WHERE NULL IS c0;
} {
  {} 1 {}
  {} 1 a
}

finish_test

  SELECT DISTINCT * FROM t0 WHERE NULL IS c0;
} {
  {} 1 {}
  {} 1 a
}

finish_test

} {1 1}

do_execsql_test 5.3 {
  SELECT count(*) FILTER (WHERE b>2) OVER (ORDER BY b) FROM (SELECT * FROM t1) 
} {0 1}

finish_test

} {1 1}

do_execsql_test 5.3 {
  SELECT count(*) FILTER (WHERE b>2) OVER (ORDER BY b) FROM (SELECT * FROM t1) 
} {0 1}

finish_test

# This file implements tests to verify that the new serial_type
# values of 8 (integer 0) and 9 (integer 1) work correctly.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

db eval {PRAGMA legacy_file_format=OFF}


# The size of the database depends on whether or not autovacuum
# is enabled.
#
ifcapable autovacuum {
  if {[db one {PRAGMA auto_vacuum}]} {
    set small 3072

# This file implements tests to verify that the new serial_type
# values of 8 (integer 0) and 9 (integer 1) work correctly.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

#db eval {PRAGMA legacy_file_format=OFF}
sqlite3_db_config db LEGACY_FILE_FORMAT 0

# The size of the database depends on whether or not autovacuum
# is enabled.
#
ifcapable autovacuum {
  if {[db one {PRAGMA auto_vacuum}]} {
    set small 3072

  do_execsql_test 8.5.$tn.2 "
    SELECT ($expr) IS TRUE FROM t1 LEFT JOIN t2
  " {1 1}
}

finish_test

  do_execsql_test 8.5.$tn.2 "
    SELECT ($expr) IS TRUE FROM t1 LEFT JOIN t2
  " {1 1}
}

finish_test

#
proc xferopt_test {testname N} {
  do_test $testname {set ::sqlite3_xferopt_count} $N
}

# Create tables used for testing.
#

execsql {
  PRAGMA legacy_file_format = 0;
  CREATE TABLE t1(a int, b int, check(b>a));
  CREATE TABLE t2(x int, y int);
  CREATE VIEW v2 AS SELECT y, x FROM t2;
  CREATE TABLE t3(a int, b int);
}

# Ticket #2252.  Make sure the an INSERT from identical tables

#
proc xferopt_test {testname N} {
  do_test $testname {set ::sqlite3_xferopt_count} $N
}

# Create tables used for testing.
#
sqlite3_db_config db LEGACY_FILE_FORMAT 0
execsql {

  CREATE TABLE t1(a int, b int, check(b>a));
  CREATE TABLE t2(x int, y int);
  CREATE VIEW v2 AS SELECT y, x FROM t2;
  CREATE TABLE t3(a int, b int);
}

# Ticket #2252.  Make sure the an INSERT from identical tables

do_execsql_test join-19.5 {
  SELECT * FROM t1 LEFT JOIN t2 WHERE 
    (b IS NOT NULL AND b IS NOT NULL) IS NOT NULL; 
} {0 {}}

finish_test

do_execsql_test join-19.5 {
  SELECT * FROM t1 LEFT JOIN t2 WHERE 
    (b IS NOT NULL AND b IS NOT NULL) IS NOT NULL; 
} {0 {}}

finish_test

#
# $Id: minmax2.test,v 1.2 2008/01/05 17:39:30 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test minmax2-1.0 {

  execsql {
    PRAGMA legacy_file_format=0;
    BEGIN;
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES(1,1);
    INSERT INTO t1 VALUES(2,2);
    INSERT INTO t1 VALUES(3,2);
    INSERT INTO t1 VALUES(4,3);
    INSERT INTO t1 VALUES(5,3);

#
# $Id: minmax2.test,v 1.2 2008/01/05 17:39:30 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test minmax2-1.0 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 0
  execsql {

    BEGIN;
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES(1,1);
    INSERT INTO t1 VALUES(2,2);
    INSERT INTO t1 VALUES(3,2);
    INSERT INTO t1 VALUES(4,3);
    INSERT INTO t1 VALUES(5,3);

  SELECT * FROM t71 WHERE a=1 AND b=2 ORDER BY c DESC NULLS FIRST;

  SELECT * FROM t71 ORDER BY a NULLS LAST;
  SELECT * FROM t71 ORDER BY a DESC NULLS FIRST;
}

finish_test

  SELECT * FROM t71 WHERE a=1 AND b=2 ORDER BY c DESC NULLS FIRST;

  SELECT * FROM t71 ORDER BY a NULLS LAST;
  SELECT * FROM t71 ORDER BY a DESC NULLS FIRST;
}

finish_test

 10 "PRAGMA defer_foreign_keys = 1"
 11 "PRAGMA empty_result_callbacks = 1"
 12 "PRAGMA encoding = 'utf-8'"
 13 "PRAGMA foreign_keys = 1"
 14 "PRAGMA full_column_names = 1"
 15 "PRAGMA fullfsync = 1"
 16 "PRAGMA ignore_check_constraints = 1"
 17 "PRAGMA legacy_file_format = 1"
 18 "PRAGMA page_size = 511"
 19 "PRAGMA page_size = 512"
 20 "PRAGMA query_only = false"
 21 "PRAGMA read_uncommitted = true"
 22 "PRAGMA recursive_triggers = false"
 23 "PRAGMA reverse_unordered_selects = false"
 24 "PRAGMA schema_version = 211"

 10 "PRAGMA defer_foreign_keys = 1"
 11 "PRAGMA empty_result_callbacks = 1"
 12 "PRAGMA encoding = 'utf-8'"
 13 "PRAGMA foreign_keys = 1"
 14 "PRAGMA full_column_names = 1"
 15 "PRAGMA fullfsync = 1"
 16 "PRAGMA ignore_check_constraints = 1"

 18 "PRAGMA page_size = 511"
 19 "PRAGMA page_size = 512"
 20 "PRAGMA query_only = false"
 21 "PRAGMA read_uncommitted = true"
 22 "PRAGMA recursive_triggers = false"
 23 "PRAGMA reverse_unordered_selects = false"
 24 "PRAGMA schema_version = 211"

  SELECT a FROM e1 WHERE (b, c) IN ( VALUES(2, 2) )
} {five}
do_vfilter4_test 1.4f {
  SELECT a FROM e1 WHERE (b, c) IN ( VALUES(2, 2) )
} {{SELECT rowid, a, b, c FROM 't1' WHERE b = ?}}

finish_test

  SELECT a FROM e1 WHERE (b, c) IN ( VALUES(2, 2) )
} {five}
do_vfilter4_test 1.4f {
  SELECT a FROM e1 WHERE (b, c) IN ( VALUES(2, 2) )
} {{SELECT rowid, a, b, c FROM 't1' WHERE b = ?}}

finish_test

  do_execsql_test $tn.1.4 {
    SELECT count(*) FROM v0 WHERE ((c1 >= c0) OR 0+0);
  } 1
}

finish_test

  do_execsql_test $tn.1.4 {
    SELECT count(*) FROM v0 WHERE ((c1 >= c0) OR 0+0);
  } 1
}

finish_test

  # of v2.c1 - BINARY.
  do_execsql_test $tn.3.1 {
    SELECT v2.c1 BETWEEN v2.c0 AND v2.c1 as count FROM v2;
  } 1
}

finish_test

  # of v2.c1 - BINARY.
  do_execsql_test $tn.3.1 {
    SELECT v2.c1 BETWEEN v2.c0 AND v2.c1 as count FROM v2;
  } 1
}

finish_test

#
# $Id: tkt3292.test,v 1.1 2008/08/13 14:07:41 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test tkt3292-1.1 {

  execsql {
    PRAGMA legacy_file_format=OFF;
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT);
    INSERT INTO t1 VALUES(0, 1);
    INSERT INTO t1 VALUES(1, 1);
    INSERT INTO t1 VALUES(2, 1);
    CREATE INDEX i1 ON t1(b);
    SELECT * FROM t1 WHERE b>=1;
  }

#
# $Id: tkt3292.test,v 1.1 2008/08/13 14:07:41 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test tkt3292-1.1 {
  sqlite3_db_config db LEGACY_FILE_FORMAT 0
  execsql {

    CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT);
    INSERT INTO t1 VALUES(0, 1);
    INSERT INTO t1 VALUES(1, 1);
    INSERT INTO t1 VALUES(2, 1);
    CREATE INDEX i1 ON t1(b);
    SELECT * FROM t1 WHERE b>=1;
  }

do_execsql_test 7.4 {
  SELECT avg(x) OVER (ORDER BY y) z FROM t1 ORDER BY z + 0.0;
} {
  7.2 8.75 10.0 11.0 15.0
}

finish_test

do_execsql_test 7.4 {
  SELECT avg(x) OVER (ORDER BY y) z FROM t1 ORDER BY z + 0.0;
} {
  7.2 8.75 10.0 11.0 15.0
}

finish_test

  TYPE: FLAG
  ARG:  SQLITE_CountRows
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  NAME: empty_result_callbacks
  TYPE: FLAG
  ARG:  SQLITE_NullCallback
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  NAME: legacy_file_format
  TYPE: FLAG
  ARG:  SQLITE_LegacyFileFmt
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  NAME: fullfsync
  TYPE: FLAG
  ARG:  SQLITE_FullFSync
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  TYPE: FLAG
  ARG:  SQLITE_CountRows
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  NAME: empty_result_callbacks
  TYPE: FLAG
  ARG:  SQLITE_NullCallback





  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)

  NAME: fullfsync
  TYPE: FLAG
  ARG:  SQLITE_FullFSync
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)