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Overview
Comment:Rework the PRAGMA implementation to only call sqlite3ReadSchema() from a single place, based on a flag in the pragma table, rather than separately from each case which needs the schema.
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SHA1: 8338232a111be16d6c2ab57176d0a23a001f02ad
User & Date: drh 2013-10-03 14:08:07
Context
2013-10-03
15:39
The sqlite3FixInit() routine cannot fail. So change the return type from "int" to "void". check-in: 500c5932 user: drh tags: trunk
14:08
Rework the PRAGMA implementation to only call sqlite3ReadSchema() from a single place, based on a flag in the pragma table, rather than separately from each case which needs the schema. check-in: 8338232a user: drh tags: trunk
12:29
Return an error if an attempt is made to create a trigger with an SQL variable embedded within it. If such a variable reference is found within a trigger definition loaded from the sqlite_master table, silently replace it with a NULL. check-in: f35f6ae3 user: dan tags: trunk
Changes
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Changes to src/pragma.c. 

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#define PragTyp_WAL_CHECKPOINT                33
#define PragTyp_ACTIVATE_EXTENSIONS           34
#define PragTyp_HEXKEY                        35
#define PragTyp_KEY                           36
#define PragTyp_REKEY                         37
#define PragTyp_LOCK_STATUS                   38
#define PragTyp_PARSER_TRACE                  39

static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */

  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  { "activate_extensions",     PragTyp_ACTIVATE_EXTENSIONS,    0 },


#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  { "application_id",          PragTyp_HEADER_VALUE,           0 },


#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)

  { "auto_vacuum",             PragTyp_AUTO_VACUUM,            0 },


#endif
#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
  { "automatic_index",         PragTyp_FLAG,                  


                               SQLITE_AutoIndex },
#endif

  { "busy_timeout",            PragTyp_BUSY_TIMEOUT,           0 },


#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "cache_size",              PragTyp_CACHE_SIZE,             0 },


#endif
  { "cache_spill",             PragTyp_FLAG,                  


                               SQLITE_CacheSpill },

  { "case_sensitive_like",     PragTyp_CASE_SENSITIVE_LIKE,    0 },


  { "checkpoint_fullfsync",    PragTyp_FLAG,                  


                               SQLITE_CkptFullFSync },
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  { "collation_list",          PragTyp_COLLATION_LIST,         0 },


#endif
#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)

  { "compile_options",         PragTyp_COMPILE_OPTIONS,        0 },


#endif
  { "count_changes",           PragTyp_FLAG,                  


                               SQLITE_CountRows },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN

  { "data_store_directory",    PragTyp_DATA_STORE_DIRECTORY,   0 },


#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  { "database_list",           PragTyp_DATABASE_LIST,          0 },


#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)

  { "default_cache_size",      PragTyp_DEFAULT_CACHE_SIZE,     0 },


#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { "defer_foreign_keys",      PragTyp_FLAG,                  


                               SQLITE_DeferFKs },
#endif
  { "empty_result_callbacks",  PragTyp_FLAG,                  


                               SQLITE_NullCallback },
#if !defined(SQLITE_OMIT_UTF16)
  { "encoding",                PragTyp_ENCODING,               0 },




#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)

  { "foreign_key_check",       PragTyp_FOREIGN_KEY_CHECK,      0 },


#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY)

  { "foreign_key_list",        PragTyp_FOREIGN_KEY_LIST,       0 },


#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { "foreign_keys",            PragTyp_FLAG,                  


                               SQLITE_ForeignKeys },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  { "freelist_count",          PragTyp_HEADER_VALUE,           0 },


#endif
  { "full_column_names",       PragTyp_FLAG,                  


                               SQLITE_FullColNames },

  { "fullfsync",               PragTyp_FLAG,                  

                               SQLITE_FullFSync },
#if defined(SQLITE_HAS_CODEC)
  { "hexkey",                  PragTyp_HEXKEY,                 0 },




#endif
#if !defined(SQLITE_OMIT_CHECK)
  { "ignore_check_constraints", PragTyp_FLAG,                  


                               SQLITE_IgnoreChecks },
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)

  { "incremental_vacuum",      PragTyp_INCREMENTAL_VACUUM,     0 },


#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  { "index_info",              PragTyp_INDEX_INFO,             0 },



  { "index_list",              PragTyp_INDEX_LIST,             0 },


#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  { "integrity_check",         PragTyp_INTEGRITY_CHECK,        0 },


#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "journal_mode",            PragTyp_JOURNAL_MODE,           0 },



  { "journal_size_limit",      PragTyp_JOURNAL_SIZE_LIMIT,     0 },


#endif
#if defined(SQLITE_HAS_CODEC)
  { "key",                     PragTyp_KEY,                    0 },




#endif
  { "legacy_file_format",      PragTyp_FLAG,                  


                               SQLITE_LegacyFileFmt },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE

  { "lock_proxy_file",         PragTyp_LOCK_PROXY_FILE,        0 },


#endif
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)

  { "lock_status",             PragTyp_LOCK_STATUS,            0 },


#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "locking_mode",            PragTyp_LOCKING_MODE,           0 },



  { "max_page_count",          PragTyp_PAGE_COUNT,             0 },
  { "mmap_size",               PragTyp_MMAP_SIZE,              0 },







  { "page_count",              PragTyp_PAGE_COUNT,             0 },
  { "page_size",               PragTyp_PAGE_SIZE,              0 },






#endif
#if defined(SQLITE_DEBUG)

  { "parser_trace",            PragTyp_PARSER_TRACE,           0 },


#endif

  { "query_only",              PragTyp_FLAG,                  

                               SQLITE_QueryOnly },
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  { "quick_check",             PragTyp_INTEGRITY_CHECK,        0 },


#endif
  { "read_uncommitted",        PragTyp_FLAG,                  


                               SQLITE_ReadUncommitted },
  { "recursive_triggers",      PragTyp_FLAG,                  


                               SQLITE_RecTriggers },
#if defined(SQLITE_HAS_CODEC)
  { "rekey",                   PragTyp_REKEY,                  0 },




#endif
  { "reverse_unordered_selects", PragTyp_FLAG,                  


                               SQLITE_ReverseOrder },
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  { "schema_version",          PragTyp_HEADER_VALUE,           0 },


#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "secure_delete",           PragTyp_SECURE_DELETE,          0 },


#endif
  { "short_column_names",      PragTyp_FLAG,                  


                               SQLITE_ShortColNames },

  { "shrink_memory",           PragTyp_SHRINK_MEMORY,          0 },



  { "soft_heap_limit",         PragTyp_SOFT_HEAP_LIMIT,        0 },


#if defined(SQLITE_DEBUG)

  { "sql_trace",               PragTyp_FLAG,                  

                               SQLITE_SqlTrace },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "synchronous",             PragTyp_SYNCHRONOUS,            0 },


#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  { "table_info",              PragTyp_TABLE_INFO,             0 },


#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  { "temp_store",              PragTyp_TEMP_STORE,             0 },



  { "temp_store_directory",    PragTyp_TEMP_STORE_DIRECTORY,   0 },


#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  { "user_version",            PragTyp_HEADER_VALUE,           0 },


#endif
#if defined(SQLITE_DEBUG)
  { "vdbe_addoptrace",         PragTyp_FLAG,                  


                               SQLITE_VdbeAddopTrace },

  { "vdbe_debug",              PragTyp_FLAG,                  

                               SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
  { "vdbe_listing",            PragTyp_FLAG,                  


                               SQLITE_VdbeListing },

  { "vdbe_trace",              PragTyp_FLAG,                  

                               SQLITE_VdbeTrace },
#endif
#if !defined(SQLITE_OMIT_WAL)

  { "wal_autocheckpoint",      PragTyp_WAL_AUTOCHECKPOINT,     0 },



  { "wal_checkpoint",          PragTyp_WAL_CHECKPOINT,         0 },


#endif
  { "writable_schema",         PragTyp_FLAG,                  


                               SQLITE_WriteSchema|SQLITE_RecoveryMode },
};
/* Number of pragmas: 55 on by default, 66 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;






  /* Jump to the appropriate pragma handler */
  switch( aPragmaNames[mid].ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
................................................................................
      { OP_Subtract,    1, 2,        1},
      { OP_IfPos,       1, 8,        0},
      { OP_Integer,     0, 1,        0},                         /* 6 */
      { OP_Noop,        0, 0,        0},
      { OP_ResultRow,   1, 1,        0},
    };
    int addr;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    sqlite3VdbeUsesBtree(v, iDb);
    if( !zRight ){
      sqlite3VdbeSetNumCols(v, 1);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cache_size", SQLITE_STATIC);
      pParse->nMem += 2;
      addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize);
      sqlite3VdbeChangeP1(v, addr, iDb);
................................................................................
  **
  **  PRAGMA [database.]page_count
  **
  ** Return the number of pages in the specified database.
  */
  case PragTyp_PAGE_COUNT: {
    int iReg;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    sqlite3CodeVerifySchema(pParse, iDb);
    iReg = ++pParse->nMem;
    if( sqlite3Tolower(zLeft[0])=='p' ){
      sqlite3VdbeAddOp2(v, OP_Pagecount, iDb, iReg);
    }else{
      sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg, 
                        sqlite3AbsInt32(sqlite3Atoi(zRight)));
................................................................................
  **  PRAGMA [database.]journal_mode =
  **                      (delete|persist|off|truncate|memory|wal|off)
  */
  case PragTyp_JOURNAL_MODE: {
    int eMode;        /* One of the PAGER_JOURNALMODE_XXX symbols */
    int ii;           /* Loop counter */

    /* Force the schema to be loaded on all databases.  This causes all
    ** database files to be opened and the journal_modes set.  This is
    ** necessary because subsequent processing must know if the databases
    ** are in WAL mode. */
    if( sqlite3ReadSchema(pParse) ){
      goto pragma_out;
    }

    sqlite3VdbeSetNumCols(v, 1);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "journal_mode", SQLITE_STATIC);

    if( zRight==0 ){
      /* If there is no "=MODE" part of the pragma, do a query for the
      ** current mode */
      eMode = PAGER_JOURNALMODE_QUERY;
................................................................................
  ** Get or set the value of the database 'auto-vacuum' parameter.
  ** The value is one of:  0 NONE 1 FULL 2 INCREMENTAL
  */
#ifndef SQLITE_OMIT_AUTOVACUUM
  case PragTyp_AUTO_VACUUM: {
    Btree *pBt = pDb->pBt;
    assert( pBt!=0 );
    if( sqlite3ReadSchema(pParse) ){
      goto pragma_out;
    }
    if( !zRight ){
      int auto_vacuum;
      if( ALWAYS(pBt) ){
         auto_vacuum = sqlite3BtreeGetAutoVacuum(pBt);
      }else{
         auto_vacuum = SQLITE_DEFAULT_AUTOVACUUM;
      }
      returnSingleInt(pParse, "auto_vacuum", auto_vacuum);
    }else{
      int eAuto = getAutoVacuum(zRight);
      assert( eAuto>=0 && eAuto<=2 );
      db->nextAutovac = (u8)eAuto;
      if( ALWAYS(eAuto>=0) ){
        /* Call SetAutoVacuum() to set initialize the internal auto and
        ** incr-vacuum flags. This is required in case this connection
        ** creates the database file. It is important that it is created
        ** as an auto-vacuum capable db.
        */
        rc = sqlite3BtreeSetAutoVacuum(pBt, eAuto);
        if( rc==SQLITE_OK && (eAuto==1 || eAuto==2) ){
          /* When setting the auto_vacuum mode to either "full" or 
          ** "incremental", write the value of meta[6] in the database
          ** file. Before writing to meta[6], check that meta[3] indicates
          ** that this really is an auto-vacuum capable database.
          */
          static const VdbeOpList setMeta6[] = {
            { OP_Transaction,    0,         1,                 0},    /* 0 */
            { OP_ReadCookie,     0,         1,         BTREE_LARGEST_ROOT_PAGE},
            { OP_If,             1,         0,                 0},    /* 2 */
            { OP_Halt,           SQLITE_OK, OE_Abort,          0},    /* 3 */
            { OP_Integer,        0,         1,                 0},    /* 4 */
            { OP_SetCookie,      0,         BTREE_INCR_VACUUM, 1},    /* 5 */
          };
          int iAddr;
          iAddr = sqlite3VdbeAddOpList(v, ArraySize(setMeta6), setMeta6);
          sqlite3VdbeChangeP1(v, iAddr, iDb);
          sqlite3VdbeChangeP1(v, iAddr+1, iDb);
          sqlite3VdbeChangeP2(v, iAddr+2, iAddr+4);
          sqlite3VdbeChangeP1(v, iAddr+4, eAuto-1);
          sqlite3VdbeChangeP1(v, iAddr+5, iDb);
          sqlite3VdbeUsesBtree(v, iDb);
        }
      }
    }
    break;
  }
#endif

  /*
................................................................................
  **  PRAGMA [database.]incremental_vacuum(N)
  **
  ** Do N steps of incremental vacuuming on a database.
  */
#ifndef SQLITE_OMIT_AUTOVACUUM
  case PragTyp_INCREMENTAL_VACUUM: {
    int iLimit, addr;
    if( sqlite3ReadSchema(pParse) ){
      goto pragma_out;
    }
    if( zRight==0 || !sqlite3GetInt32(zRight, &iLimit) || iLimit<=0 ){
      iLimit = 0x7fffffff;
    }
    sqlite3BeginWriteOperation(pParse, 0, iDb);
    sqlite3VdbeAddOp2(v, OP_Integer, iLimit, 1);
    addr = sqlite3VdbeAddOp1(v, OP_IncrVacuum, iDb);
    sqlite3VdbeAddOp1(v, OP_ResultRow, 1);
................................................................................
  ** page cache size. The second form sets the local
  ** page cache size value.  If N is positive then that is the
  ** number of pages in the cache.  If N is negative, then the
  ** number of pages is adjusted so that the cache uses -N kibibytes
  ** of memory.
  */
  case PragTyp_CACHE_SIZE: {
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
    if( !zRight ){
      returnSingleInt(pParse, "cache_size", pDb->pSchema->cache_size);
    }else{
      int size = sqlite3Atoi(zRight);
      pDb->pSchema->cache_size = size;
      sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
................................................................................
  **
  ** Return or set the local value of the synchronous flag.  Changing
  ** the local value does not make changes to the disk file and the
  ** default value will be restored the next time the database is
  ** opened.
  */
  case PragTyp_SYNCHRONOUS: {
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    if( !zRight ){
      returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
    }else{
      if( !db->autoCommit ){
        sqlite3ErrorMsg(pParse, 
            "Safety level may not be changed inside a transaction");
      }else{
................................................................................
  ** name:       Column name
  ** type:       Column declaration type.
  ** notnull:    True if 'NOT NULL' is part of column declaration
  ** dflt_value: The default value for the column, if any.
  */
  case PragTyp_TABLE_INFO: if( zRight ){
    Table *pTab;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      int i, k;
      int nHidden = 0;
      Column *pCol;
      Index *pPk;
      for(pPk=pTab->pIndex; pPk && pPk->autoIndex!=2; pPk=pPk->pNext){}
................................................................................
    }
  }
  break;

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
................................................................................
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      pIdx = pTab->pIndex;
      if( pIdx ){
        int i = 0; 
        sqlite3VdbeSetNumCols(v, 3);
................................................................................
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    sqlite3VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "file", SQLITE_STATIC);
    for(i=0; i<db->nDb; i++){
      if( db->aDb[i].pBt==0 ) continue;
................................................................................
  break;
#endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */

#ifndef SQLITE_OMIT_FOREIGN_KEY
  case PragTyp_FOREIGN_KEY_LIST: if( zRight ){
    FKey *pFK;
    Table *pTab;
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      pFK = pTab->pFKey;
      if( pFK ){
        int i = 0; 
        sqlite3VdbeSetNumCols(v, 8);
................................................................................
    int regResult;         /* 3 registers to hold a result row */
    int regKey;            /* Register to hold key for checking the FK */
    int regRow;            /* Registers to hold a row from pTab */
    int addrTop;           /* Top of a loop checking foreign keys */
    int addrOk;            /* Jump here if the key is OK */
    int *aiCols;           /* child to parent column mapping */

    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    regResult = pParse->nMem+1;
    pParse->nMem += 4;
    regKey = ++pParse->nMem;
    regRow = ++pParse->nMem;
    v = sqlite3GetVdbe(pParse);
    sqlite3VdbeSetNumCols(v, 4);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
................................................................................
    ** to -1 here, to indicate that the VDBE should verify the integrity
    ** of all attached databases.  */
    assert( iDb>=0 );
    assert( iDb==0 || pId2->z );
    if( pId2->z==0 ) iDb = -1;

    /* Initialize the VDBE program */
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    pParse->nMem = 6;
    sqlite3VdbeSetNumCols(v, 1);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "integrity_check", SQLITE_STATIC);

    /* Set the maximum error count */
    mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX;
    if( zRight ){
................................................................................
    if( zRight ){
      if( sqlite3StrICmp(zRight, "full")==0 ){
        eMode = SQLITE_CHECKPOINT_FULL;
      }else if( sqlite3StrICmp(zRight, "restart")==0 ){
        eMode = SQLITE_CHECKPOINT_RESTART;
      }
    }
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
    sqlite3VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "busy", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "log", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "checkpointed", SQLITE_STATIC);

    sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);








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#define PragTyp_WAL_CHECKPOINT                33
#define PragTyp_ACTIVATE_EXTENSIONS           34
#define PragTyp_HEXKEY                        35
#define PragTyp_KEY                           36
#define PragTyp_REKEY                         37
#define PragTyp_LOCK_STATUS                   38
#define PragTyp_PARSER_TRACE                  39
#define PragFlag_NeedSchema           0x01
static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */
  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */
  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
  { /* zName:     */ "activate_extensions",
    /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "application_id",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "auto_vacuum",
    /* ePragTyp:  */ PragTyp_AUTO_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
  { /* zName:     */ "automatic_index",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_AutoIndex },
#endif
  { /* zName:     */ "busy_timeout",
    /* ePragTyp:  */ PragTyp_BUSY_TIMEOUT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "cache_size",
    /* ePragTyp:  */ PragTyp_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "cache_spill",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CacheSpill },
  { /* zName:     */ "case_sensitive_like",
    /* ePragTyp:  */ PragTyp_CASE_SENSITIVE_LIKE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "checkpoint_fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CkptFullFSync },
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "collation_list",
    /* ePragTyp:  */ PragTyp_COLLATION_LIST,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
  { /* zName:     */ "compile_options",
    /* ePragTyp:  */ PragTyp_COMPILE_OPTIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "count_changes",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CountRows },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
  { /* zName:     */ "data_store_directory",
    /* ePragTyp:  */ PragTyp_DATA_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "database_list",
    /* ePragTyp:  */ PragTyp_DATABASE_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  { /* zName:     */ "default_cache_size",
    /* ePragTyp:  */ PragTyp_DEFAULT_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "defer_foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_DeferFKs },
#endif
  { /* zName:     */ "empty_result_callbacks",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_NullCallback },
#if !defined(SQLITE_OMIT_UTF16)

  { /* zName:     */ "encoding",
    /* ePragTyp:  */ PragTyp_ENCODING,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_key_check",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY)
  { /* zName:     */ "foreign_key_list",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ForeignKeys },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "freelist_count",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "full_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullColNames },
  { /* zName:     */ "fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullFSync },
#if defined(SQLITE_HAS_CODEC)

  { /* zName:     */ "hexkey",
    /* ePragTyp:  */ PragTyp_HEXKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_CHECK)
  { /* zName:     */ "ignore_check_constraints",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_IgnoreChecks },
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "incremental_vacuum",
    /* ePragTyp:  */ PragTyp_INCREMENTAL_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "index_info",
    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_list",
    /* ePragTyp:  */ PragTyp_INDEX_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "integrity_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "journal_mode",
    /* ePragTyp:  */ PragTyp_JOURNAL_MODE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "journal_size_limit",
    /* ePragTyp:  */ PragTyp_JOURNAL_SIZE_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_HAS_CODEC)

  { /* zName:     */ "key",
    /* ePragTyp:  */ PragTyp_KEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "legacy_file_format",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_LegacyFileFmt },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
  { /* zName:     */ "lock_proxy_file",
    /* ePragTyp:  */ PragTyp_LOCK_PROXY_FILE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
  { /* zName:     */ "lock_status",
    /* ePragTyp:  */ PragTyp_LOCK_STATUS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "locking_mode",
    /* ePragTyp:  */ PragTyp_LOCKING_MODE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "max_page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,

    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "mmap_size",
    /* ePragTyp:  */ PragTyp_MMAP_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,

    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_size",
    /* ePragTyp:  */ PragTyp_PAGE_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "parser_trace",
    /* ePragTyp:  */ PragTyp_PARSER_TRACE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "query_only",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_QueryOnly },
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "quick_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "read_uncommitted",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReadUncommitted },
  { /* zName:     */ "recursive_triggers",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_RecTriggers },
#if defined(SQLITE_HAS_CODEC)

  { /* zName:     */ "rekey",
    /* ePragTyp:  */ PragTyp_REKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "reverse_unordered_selects",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReverseOrder },
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "schema_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "secure_delete",
    /* ePragTyp:  */ PragTyp_SECURE_DELETE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "short_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ShortColNames },
  { /* zName:     */ "shrink_memory",
    /* ePragTyp:  */ PragTyp_SHRINK_MEMORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "soft_heap_limit",
    /* ePragTyp:  */ PragTyp_SOFT_HEAP_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "sql_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "synchronous",
    /* ePragTyp:  */ PragTyp_SYNCHRONOUS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "table_info",
    /* ePragTyp:  */ PragTyp_TABLE_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "temp_store",
    /* ePragTyp:  */ PragTyp_TEMP_STORE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "temp_store_directory",
    /* ePragTyp:  */ PragTyp_TEMP_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "user_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "vdbe_addoptrace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeAddopTrace },
  { /* zName:     */ "vdbe_debug",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
  { /* zName:     */ "vdbe_listing",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeListing },
  { /* zName:     */ "vdbe_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeTrace },
#endif
#if !defined(SQLITE_OMIT_WAL)
  { /* zName:     */ "wal_autocheckpoint",
    /* ePragTyp:  */ PragTyp_WAL_AUTOCHECKPOINT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "wal_checkpoint",
    /* ePragTyp:  */ PragTyp_WAL_CHECKPOINT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
};
/* Number of pragmas: 55 on by default, 66 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;

  /* Make sure the database schema is loaded if the pragma requires that */
  if( (aPragmaNames[mid].mPragFlag & PragFlag_NeedSchema)!=0 ){
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
  }

  /* Jump to the appropriate pragma handler */
  switch( aPragmaNames[mid].ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
................................................................................
      { OP_Subtract,    1, 2,        1},
      { OP_IfPos,       1, 8,        0},
      { OP_Integer,     0, 1,        0},                         /* 6 */
      { OP_Noop,        0, 0,        0},
      { OP_ResultRow,   1, 1,        0},
    };
    int addr;

    sqlite3VdbeUsesBtree(v, iDb);
    if( !zRight ){
      sqlite3VdbeSetNumCols(v, 1);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cache_size", SQLITE_STATIC);
      pParse->nMem += 2;
      addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize);
      sqlite3VdbeChangeP1(v, addr, iDb);
................................................................................
  **
  **  PRAGMA [database.]page_count
  **
  ** Return the number of pages in the specified database.
  */
  case PragTyp_PAGE_COUNT: {
    int iReg;

    sqlite3CodeVerifySchema(pParse, iDb);
    iReg = ++pParse->nMem;
    if( sqlite3Tolower(zLeft[0])=='p' ){
      sqlite3VdbeAddOp2(v, OP_Pagecount, iDb, iReg);
    }else{
      sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg, 
                        sqlite3AbsInt32(sqlite3Atoi(zRight)));
................................................................................
  **  PRAGMA [database.]journal_mode =
  **                      (delete|persist|off|truncate|memory|wal|off)
  */
  case PragTyp_JOURNAL_MODE: {
    int eMode;        /* One of the PAGER_JOURNALMODE_XXX symbols */
    int ii;           /* Loop counter */









    sqlite3VdbeSetNumCols(v, 1);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "journal_mode", SQLITE_STATIC);

    if( zRight==0 ){
      /* If there is no "=MODE" part of the pragma, do a query for the
      ** current mode */
      eMode = PAGER_JOURNALMODE_QUERY;
................................................................................
  ** Get or set the value of the database 'auto-vacuum' parameter.
  ** The value is one of:  0 NONE 1 FULL 2 INCREMENTAL
  */
#ifndef SQLITE_OMIT_AUTOVACUUM
  case PragTyp_AUTO_VACUUM: {
    Btree *pBt = pDb->pBt;
    assert( pBt!=0 );



    if( !zRight ){






      returnSingleInt(pParse, "auto_vacuum", sqlite3BtreeGetAutoVacuum(pBt));
    }else{
      int eAuto = getAutoVacuum(zRight);
      assert( eAuto>=0 && eAuto<=2 );
      db->nextAutovac = (u8)eAuto;

      /* Call SetAutoVacuum() to set initialize the internal auto and
      ** incr-vacuum flags. This is required in case this connection
      ** creates the database file. It is important that it is created
      ** as an auto-vacuum capable db.
      */
      rc = sqlite3BtreeSetAutoVacuum(pBt, eAuto);
      if( rc==SQLITE_OK && (eAuto==1 || eAuto==2) ){
        /* When setting the auto_vacuum mode to either "full" or 
        ** "incremental", write the value of meta[6] in the database
        ** file. Before writing to meta[6], check that meta[3] indicates
        ** that this really is an auto-vacuum capable database.
        */
        static const VdbeOpList setMeta6[] = {
          { OP_Transaction,    0,         1,                 0},    /* 0 */
          { OP_ReadCookie,     0,         1,         BTREE_LARGEST_ROOT_PAGE},
          { OP_If,             1,         0,                 0},    /* 2 */
          { OP_Halt,           SQLITE_OK, OE_Abort,          0},    /* 3 */
          { OP_Integer,        0,         1,                 0},    /* 4 */
          { OP_SetCookie,      0,         BTREE_INCR_VACUUM, 1},    /* 5 */
        };
        int iAddr;
        iAddr = sqlite3VdbeAddOpList(v, ArraySize(setMeta6), setMeta6);
        sqlite3VdbeChangeP1(v, iAddr, iDb);
        sqlite3VdbeChangeP1(v, iAddr+1, iDb);
        sqlite3VdbeChangeP2(v, iAddr+2, iAddr+4);
        sqlite3VdbeChangeP1(v, iAddr+4, eAuto-1);
        sqlite3VdbeChangeP1(v, iAddr+5, iDb);
        sqlite3VdbeUsesBtree(v, iDb);

      }
    }
    break;
  }
#endif

  /*
................................................................................
  **  PRAGMA [database.]incremental_vacuum(N)
  **
  ** Do N steps of incremental vacuuming on a database.
  */
#ifndef SQLITE_OMIT_AUTOVACUUM
  case PragTyp_INCREMENTAL_VACUUM: {
    int iLimit, addr;



    if( zRight==0 || !sqlite3GetInt32(zRight, &iLimit) || iLimit<=0 ){
      iLimit = 0x7fffffff;
    }
    sqlite3BeginWriteOperation(pParse, 0, iDb);
    sqlite3VdbeAddOp2(v, OP_Integer, iLimit, 1);
    addr = sqlite3VdbeAddOp1(v, OP_IncrVacuum, iDb);
    sqlite3VdbeAddOp1(v, OP_ResultRow, 1);
................................................................................
  ** page cache size. The second form sets the local
  ** page cache size value.  If N is positive then that is the
  ** number of pages in the cache.  If N is negative, then the
  ** number of pages is adjusted so that the cache uses -N kibibytes
  ** of memory.
  */
  case PragTyp_CACHE_SIZE: {

    assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
    if( !zRight ){
      returnSingleInt(pParse, "cache_size", pDb->pSchema->cache_size);
    }else{
      int size = sqlite3Atoi(zRight);
      pDb->pSchema->cache_size = size;
      sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
................................................................................
  **
  ** Return or set the local value of the synchronous flag.  Changing
  ** the local value does not make changes to the disk file and the
  ** default value will be restored the next time the database is
  ** opened.
  */
  case PragTyp_SYNCHRONOUS: {

    if( !zRight ){
      returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
    }else{
      if( !db->autoCommit ){
        sqlite3ErrorMsg(pParse, 
            "Safety level may not be changed inside a transaction");
      }else{
................................................................................
  ** name:       Column name
  ** type:       Column declaration type.
  ** notnull:    True if 'NOT NULL' is part of column declaration
  ** dflt_value: The default value for the column, if any.
  */
  case PragTyp_TABLE_INFO: if( zRight ){
    Table *pTab;

    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      int i, k;
      int nHidden = 0;
      Column *pCol;
      Index *pPk;
      for(pPk=pTab->pIndex; pPk && pPk->autoIndex!=2; pPk=pPk->pNext){}
................................................................................
    }
  }
  break;

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;

    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
................................................................................
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;

    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      pIdx = pTab->pIndex;
      if( pIdx ){
        int i = 0; 
        sqlite3VdbeSetNumCols(v, 3);
................................................................................
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;

    sqlite3VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "file", SQLITE_STATIC);
    for(i=0; i<db->nDb; i++){
      if( db->aDb[i].pBt==0 ) continue;
................................................................................
  break;
#endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */

#ifndef SQLITE_OMIT_FOREIGN_KEY
  case PragTyp_FOREIGN_KEY_LIST: if( zRight ){
    FKey *pFK;
    Table *pTab;

    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      pFK = pTab->pFKey;
      if( pFK ){
        int i = 0; 
        sqlite3VdbeSetNumCols(v, 8);
................................................................................
    int regResult;         /* 3 registers to hold a result row */
    int regKey;            /* Register to hold key for checking the FK */
    int regRow;            /* Registers to hold a row from pTab */
    int addrTop;           /* Top of a loop checking foreign keys */
    int addrOk;            /* Jump here if the key is OK */
    int *aiCols;           /* child to parent column mapping */


    regResult = pParse->nMem+1;
    pParse->nMem += 4;
    regKey = ++pParse->nMem;
    regRow = ++pParse->nMem;
    v = sqlite3GetVdbe(pParse);
    sqlite3VdbeSetNumCols(v, 4);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
................................................................................
    ** to -1 here, to indicate that the VDBE should verify the integrity
    ** of all attached databases.  */
    assert( iDb>=0 );
    assert( iDb==0 || pId2->z );
    if( pId2->z==0 ) iDb = -1;

    /* Initialize the VDBE program */

    pParse->nMem = 6;
    sqlite3VdbeSetNumCols(v, 1);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "integrity_check", SQLITE_STATIC);

    /* Set the maximum error count */
    mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX;
    if( zRight ){
................................................................................
    if( zRight ){
      if( sqlite3StrICmp(zRight, "full")==0 ){
        eMode = SQLITE_CHECKPOINT_FULL;
      }else if( sqlite3StrICmp(zRight, "restart")==0 ){
        eMode = SQLITE_CHECKPOINT_RESTART;
      }
    }

    sqlite3VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "busy", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "log", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "checkpointed", SQLITE_STATIC);

    sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);

Changes to tool/mkpragmatab.tcl. 

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  NAME: defer_foreign_keys
  TYPE: FLAG
  ARG:  SQLITE_DeferFKs
  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)

  NAME: default_cache_size

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)

  NAME: page_size
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: secure_delete
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: page_count

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: max_page_count
  TYPE: PAGE_COUNT

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: locking_mode
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: journal_mode

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: journal_size_limit
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: cache_size

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: mmap_size
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: auto_vacuum

  IF:   !defined(SQLITE_OMIT_AUTOVACUUM)

  NAME: incremental_vacuum

  IF:   !defined(SQLITE_OMIT_AUTOVACUUM)

  NAME: temp_store
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: temp_store_directory
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)
................................................................................
  NAME: data_store_directory
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN

  NAME: lock_proxy_file
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE

  NAME: synchronous

  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info

  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info

  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list

  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: database_list

  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: collation_list
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: foreign_key_list

  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY)

  NAME: foreign_key_check

  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)

  NAME: parser_trace
  IF:   defined(SQLITE_DEBUG)

  NAME: case_sensitive_like

  NAME: integrity_check

  IF:   !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  NAME: quick_check
  TYPE: INTEGRITY_CHECK

  IF:   !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  NAME: encoding
  IF:   !defined(SQLITE_OMIT_UTF16)

  NAME: schema_version
  TYPE: HEADER_VALUE
................................................................................
  TYPE: HEADER_VALUE
  IF:   !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  NAME: compile_options
  IF:   !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)

  NAME: wal_checkpoint

  IF:   !defined(SQLITE_OMIT_WAL)

  NAME: wal_autocheckpoint
  IF:   !defined(SQLITE_OMIT_WAL)

  NAME: shrink_memory

................................................................................
  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit
}
set name {}
set type {}
set if {}

set arg 0
proc record_one {} {
  global name type if arg allbyname typebyif
  if {$name==""} return
  set allbyname($name) [list $type $arg $if]
  set name {}
  set type {}
  set if {}

  set arg 0
}
foreach line [split $pragma_def \n] {
  set line [string trim $line]
  if {$line==""} continue
  foreach {id val} [split $line :] break
  set val [string trim $val]
................................................................................
    set type [string toupper $val]
  } elseif {$id=="TYPE"} {
    set type $val
  } elseif {$id=="ARG"} {
    set arg $val
  } elseif {$id=="IF"} {
    set if $val





  } else {
    error "bad pragma_def line: $line"
  }
}
record_one
set allnames [lsort [array names allbyname]]

................................................................................
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set seentype($type) 1
  puts [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}









# Generate the lookup table
#
puts "static const struct sPragmaNames \173"
puts "  const char *const zName;  /* Name of pragma */"
puts "  u8 ePragTyp;              /* PragTyp_XXX value */"

puts "  u32 iArg;                 /* Extra argument */"
puts "\175 aPragmaNames\[\] = \173"

set current_if {}
set spacer [format {    %26s } {}]
foreach name $allnames {
  foreach {type arg if} $allbyname($name) break
  if {$if!=$current_if} {
    if {$current_if!=""} {puts "#endif"}
    set current_if $if
    if {$current_if!=""} {puts "#if $current_if"}
  }
  set namex [format %-26s \"$name\",]
  set typex [format PragTyp_%-23s $type,]

  if {[string length $arg]>10} {
    puts "  \173 $namex $typex\n$spacer$arg \175,"
  } else {
    puts "  \173 $namex $typex $arg \175,"

  }




}
if {$current_if!=""} {puts "#endif"}
puts "\175;"

# count the number of pragmas, for information purposes
#
set allcnt 0








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  NAME: defer_foreign_keys
  TYPE: FLAG
  ARG:  SQLITE_DeferFKs
  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)

  NAME: default_cache_size
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)

  NAME: page_size
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: secure_delete
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: page_count
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: max_page_count
  TYPE: PAGE_COUNT
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: locking_mode
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: journal_mode
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: journal_size_limit
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: cache_size
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: mmap_size
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: auto_vacuum
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_AUTOVACUUM)

  NAME: incremental_vacuum
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_AUTOVACUUM)

  NAME: temp_store
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: temp_store_directory
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)
................................................................................
  NAME: data_store_directory
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN

  NAME: lock_proxy_file
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE

  NAME: synchronous
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: database_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: collation_list
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: foreign_key_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY)

  NAME: foreign_key_check
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)

  NAME: parser_trace
  IF:   defined(SQLITE_DEBUG)

  NAME: case_sensitive_like

  NAME: integrity_check
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  NAME: quick_check
  TYPE: INTEGRITY_CHECK
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_INTEGRITY_CHECK)

  NAME: encoding
  IF:   !defined(SQLITE_OMIT_UTF16)

  NAME: schema_version
  TYPE: HEADER_VALUE
................................................................................
  TYPE: HEADER_VALUE
  IF:   !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)

  NAME: compile_options
  IF:   !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)

  NAME: wal_checkpoint
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_WAL)

  NAME: wal_autocheckpoint
  IF:   !defined(SQLITE_OMIT_WAL)

  NAME: shrink_memory

................................................................................
  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit
}
set name {}
set type {}
set if {}
set flags {}
set arg 0
proc record_one {} {
  global name type if arg allbyname typebyif flags
  if {$name==""} return
  set allbyname($name) [list $type $arg $if $flags]
  set name {}
  set type {}
  set if {}
  set flags {}
  set arg 0
}
foreach line [split $pragma_def \n] {
  set line [string trim $line]
  if {$line==""} continue
  foreach {id val} [split $line :] break
  set val [string trim $val]
................................................................................
    set type [string toupper $val]
  } elseif {$id=="TYPE"} {
    set type $val
  } elseif {$id=="ARG"} {
    set arg $val
  } elseif {$id=="IF"} {
    set if $val
  } elseif {$id=="FLAG"} {
    foreach term [split $val] {
      lappend flags $term
      set allflags($term) 1
    }
  } else {
    error "bad pragma_def line: $line"
  }
}
record_one
set allnames [lsort [array names allbyname]]

................................................................................
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set seentype($type) 1
  puts [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}

# Generate #defines for flags
#
set fv 1
foreach f [lsort [array names allflags]] {
  puts [format {#define PragFlag_%-20s 0x%02x} $f $fv]
  set fv [expr {$fv*2}]
}

# Generate the lookup table
#
puts "static const struct sPragmaNames \173"
puts "  const char *const zName;  /* Name of pragma */"
puts "  u8 ePragTyp;              /* PragTyp_XXX value */"
puts "  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */"
puts "  u32 iArg;                 /* Extra argument */"
puts "\175 aPragmaNames\[\] = \173"

set current_if {}
set spacer [format {    %26s } {}]
foreach name $allnames {
  foreach {type arg if flag} $allbyname($name) break
  if {$if!=$current_if} {
    if {$current_if!=""} {puts "#endif"}
    set current_if $if
    if {$current_if!=""} {puts "#if $current_if"}
  }

  set typex [format PragTyp_%-23s $type,]
  if {$flag==""} {
    set flagx "0"

  } else {

    set flagx PragFlag_[join $flag {|PragFlag_}]
  }
  puts "  \173 /* zName:     */ \"$name\","
  puts "    /* ePragTyp:  */ PragTyp_$type,"
  puts "    /* ePragFlag: */ $flagx,"
  puts "    /* iArg:      */ $arg \175,"
}
if {$current_if!=""} {puts "#endif"}
puts "\175;"

# count the number of pragmas, for information purposes
#
set allcnt 0

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