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Comment:Add the "Pragma_list" pragma. Put all three pragmas created on this branch inside of #ifdef SQLITE_INTROSPECTION_PRAGMAS.
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Timelines: family | ancestors | descendants | both | list-pragmas
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SHA3-256: 2f3c3781ef3d66ecafef083d7144287ff23eea5a6d93b014dfeb2a8ac71f757e
User & Date: drh 2017-07-07 17:33:07
Context
2017-07-07
17:43
Add new PRAGMAs: "function_list", "module_list", and "pragma_list". All are enclosed within #ifdef SQLITE_INTROSPECTION_PRAGMAS. The compile-time option is not on ctime.c yet, since these are still experimental and one can always test "PRAGMA pragma_list" and see whether or not it returns an empty set. (check-in: e0b6ae92 user: drh tags: trunk)
17:33
Add the "Pragma_list" pragma. Put all three pragmas created on this branch inside of #ifdef SQLITE_INTROSPECTION_PRAGMAS. (Closed-Leaf check-in: 2f3c3781 user: drh tags: list-pragmas)
15:43
Add new pragmas: "function_list" and "module_list" (check-in: e5f01d7f user: drh tags: list-pragmas)
Changes
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Changes to src/pragma.c. 

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      CollSeq *pColl = (CollSeq *)sqliteHashData(p);
      sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
    }
  }
  break;


  case PragTyp_FUNCTION_LIST: {
    int i;
    HashElem *j;
    FuncDef *p;
    pParse->nMem = 2;
    for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){
      for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){
................................................................................
      sqlite3VdbeMultiLoad(v, 1, "s", pMod->zName);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }
  }
  break;
#endif /* SQLITE_OMIT_VIRTUALTABLE */











#endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */

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








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      CollSeq *pColl = (CollSeq *)sqliteHashData(p);
      sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
    }
  }
  break;

#ifdef SQLITE_INTROSPECTION_PRAGMAS
  case PragTyp_FUNCTION_LIST: {
    int i;
    HashElem *j;
    FuncDef *p;
    pParse->nMem = 2;
    for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){
      for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){
................................................................................
      sqlite3VdbeMultiLoad(v, 1, "s", pMod->zName);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }
  }
  break;
#endif /* SQLITE_OMIT_VIRTUALTABLE */

  case PragTyp_PRAGMA_LIST: {
    int i;
    for(i=0; i<ArraySize(aPragmaName); i++){
      sqlite3VdbeMultiLoad(v, 1, "s", aPragmaName[i].zName);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }
  }
  break;
#endif /* SQLITE_INTROSPECTION_PRAGMAS */

#endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */

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

Changes to src/pragma.h. 

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#define PragTyp_LOCK_PROXY_FILE               22
#define PragTyp_LOCKING_MODE                  23
#define PragTyp_PAGE_COUNT                    24
#define PragTyp_MMAP_SIZE                     25
#define PragTyp_MODULE_LIST                   26
#define PragTyp_OPTIMIZE                      27
#define PragTyp_PAGE_SIZE                     28

#define PragTyp_SECURE_DELETE                 29
#define PragTyp_SHRINK_MEMORY                 30
#define PragTyp_SOFT_HEAP_LIMIT               31
#define PragTyp_SYNCHRONOUS                   32
#define PragTyp_TABLE_INFO                    33
#define PragTyp_TEMP_STORE                    34
#define PragTyp_TEMP_STORE_DIRECTORY          35
#define PragTyp_THREADS                       36
#define PragTyp_WAL_AUTOCHECKPOINT            37
#define PragTyp_WAL_CHECKPOINT                38
#define PragTyp_ACTIVATE_EXTENSIONS           39
#define PragTyp_HEXKEY                        40
#define PragTyp_KEY                           41
#define PragTyp_REKEY                         42
#define PragTyp_LOCK_STATUS                   43
#define PragTyp_PARSER_TRACE                  44
#define PragTyp_STATS                         45

/* Property flags associated with various pragma. */
#define PragFlg_NeedSchema 0x01 /* Force schema load before running */
#define PragFlg_NoColumns  0x02 /* OP_ResultRow called with zero columns */
#define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */
#define PragFlg_ReadOnly   0x08 /* Read-only HEADER_VALUE */
#define PragFlg_Result0    0x10 /* Acts as query when no argument */
................................................................................
  /*  24 */ "origin",     
  /*  25 */ "partial",    
  /*  26 */ "seq",         /* Used by: database_list */
  /*  27 */ "name",       
  /*  28 */ "file",       
  /*  29 */ "name",        /* Used by: function_list */
  /*  30 */ "builtin",    
  /*  31 */ "name",        /* Used by: module_list */
  /*  32 */ "seq",         /* Used by: collation_list */
  /*  33 */ "name",       
  /*  34 */ "id",          /* Used by: foreign_key_list */
  /*  35 */ "seq",        
  /*  36 */ "table",      
  /*  37 */ "from",       
  /*  38 */ "to",         
................................................................................
 {/* zName:     */ "fullfsync",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_FullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

 {/* zName:     */ "function_list",
  /* ePragTyp:  */ PragTyp_FUNCTION_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 29, 2,
  /* iArg:      */ 0 },

#endif
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "hexkey",
  /* ePragTyp:  */ PragTyp_HEXKEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
  /* ePragTyp:  */ PragTyp_MMAP_SIZE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if !defined(SQLITE_OMIT_VIRTUALTABLE)

 {/* zName:     */ "module_list",
  /* ePragTyp:  */ PragTyp_MODULE_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 31, 1,
  /* iArg:      */ 0 },

#endif
#endif
 {/* zName:     */ "optimize",
  /* ePragTyp:  */ PragTyp_OPTIMIZE,
  /* ePragFlg:  */ PragFlg_Result1|PragFlg_NeedSchema,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
#endif
#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_PARSER_TRACE)
 {/* zName:     */ "parser_trace",
  /* ePragTyp:  */ PragTyp_PARSER_TRACE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },







#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "query_only",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_QueryOnly },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema },
#endif
};
/* Number of pragmas: 62 on by default, 76 total. */








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#define PragTyp_LOCK_PROXY_FILE               22
#define PragTyp_LOCKING_MODE                  23
#define PragTyp_PAGE_COUNT                    24
#define PragTyp_MMAP_SIZE                     25
#define PragTyp_MODULE_LIST                   26
#define PragTyp_OPTIMIZE                      27
#define PragTyp_PAGE_SIZE                     28
#define PragTyp_PRAGMA_LIST                   29
#define PragTyp_SECURE_DELETE                 30
#define PragTyp_SHRINK_MEMORY                 31
#define PragTyp_SOFT_HEAP_LIMIT               32
#define PragTyp_SYNCHRONOUS                   33
#define PragTyp_TABLE_INFO                    34
#define PragTyp_TEMP_STORE                    35
#define PragTyp_TEMP_STORE_DIRECTORY          36
#define PragTyp_THREADS                       37
#define PragTyp_WAL_AUTOCHECKPOINT            38
#define PragTyp_WAL_CHECKPOINT                39
#define PragTyp_ACTIVATE_EXTENSIONS           40
#define PragTyp_HEXKEY                        41
#define PragTyp_KEY                           42
#define PragTyp_REKEY                         43
#define PragTyp_LOCK_STATUS                   44
#define PragTyp_PARSER_TRACE                  45
#define PragTyp_STATS                         46

/* Property flags associated with various pragma. */
#define PragFlg_NeedSchema 0x01 /* Force schema load before running */
#define PragFlg_NoColumns  0x02 /* OP_ResultRow called with zero columns */
#define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */
#define PragFlg_ReadOnly   0x08 /* Read-only HEADER_VALUE */
#define PragFlg_Result0    0x10 /* Acts as query when no argument */
................................................................................
  /*  24 */ "origin",     
  /*  25 */ "partial",    
  /*  26 */ "seq",         /* Used by: database_list */
  /*  27 */ "name",       
  /*  28 */ "file",       
  /*  29 */ "name",        /* Used by: function_list */
  /*  30 */ "builtin",    
  /*  31 */ "name",        /* Used by: module_list pragma_list */
  /*  32 */ "seq",         /* Used by: collation_list */
  /*  33 */ "name",       
  /*  34 */ "id",          /* Used by: foreign_key_list */
  /*  35 */ "seq",        
  /*  36 */ "table",      
  /*  37 */ "from",       
  /*  38 */ "to",         
................................................................................
 {/* zName:     */ "fullfsync",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_FullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "function_list",
  /* ePragTyp:  */ PragTyp_FUNCTION_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 29, 2,
  /* iArg:      */ 0 },
#endif
#endif
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "hexkey",
  /* ePragTyp:  */ PragTyp_HEXKEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
  /* ePragTyp:  */ PragTyp_MMAP_SIZE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if !defined(SQLITE_OMIT_VIRTUALTABLE)
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "module_list",
  /* ePragTyp:  */ PragTyp_MODULE_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 31, 1,
  /* iArg:      */ 0 },
#endif
#endif
#endif
 {/* zName:     */ "optimize",
  /* ePragTyp:  */ PragTyp_OPTIMIZE,
  /* ePragFlg:  */ PragFlg_Result1|PragFlg_NeedSchema,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
#endif
#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_PARSER_TRACE)
 {/* zName:     */ "parser_trace",
  /* ePragTyp:  */ PragTyp_PARSER_TRACE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "pragma_list",
  /* ePragTyp:  */ PragTyp_PRAGMA_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 31, 1,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "query_only",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_QueryOnly },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema },
#endif
};
/* Number of pragmas: 60 on by default, 77 total. */

Changes to tool/mkpragmatab.tcl. 

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  COLS: seq name file
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: function_list
  FLAG: Result0
  COLS: name builtin
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)


  NAME: module_list
  FLAG: Result0
  COLS: name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  IF:   !defined(SQLITE_OMIT_VIRTUALTABLE)







  NAME: collation_list
  FLAG: Result0
  COLS: seq name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: foreign_key_list








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  COLS: seq name file
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: function_list
  FLAG: Result0
  COLS: name builtin
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  IF:   defined(SQLITE_INTROSPECTION_PRAGMAS)

  NAME: module_list
  FLAG: Result0
  COLS: name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  IF:   !defined(SQLITE_OMIT_VIRTUALTABLE)
  IF:   defined(SQLITE_INTROSPECTION_PRAGMAS)

  NAME: pragma_list
  FLAG: Result0
  COLS: name
  IF:   defined(SQLITE_INTROSPECTION_PRAGMAS)

  NAME: collation_list
  FLAG: Result0
  COLS: seq name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: foreign_key_list

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