lib/sqlite/sqlite3ext.h

   1 /*
   2 ** 2006 June 7
   3 **
   4 ** The author disclaims copyright to this source code.  In place of
   5 ** a legal notice, here is a blessing:
   6 **
   7 **    May you do good and not evil.
   8 **    May you find forgiveness for yourself and forgive others.
   9 **    May you share freely, never taking more than you give.
  10 **
  11 *************************************************************************
  12 ** This header file defines the SQLite interface for use by
  13 ** shared libraries that want to be imported as extensions into
  14 ** an SQLite instance.  Shared libraries that intend to be loaded
  15 ** as extensions by SQLite should #include this file instead of
  16 ** sqlite3.h.
  17 */
  18 #ifndef _SQLITE3EXT_H_
  19 #define _SQLITE3EXT_H_
  20 #include "sqlite3.h"
  21
  22 typedef struct sqlite3_api_routines sqlite3_api_routines;
  23
  24 /*
  25 ** The following structure holds pointers to all of the SQLite API
  26 ** routines.
  27 **
  28 ** WARNING:  In order to maintain backwards compatibility, add new
  29 ** interfaces to the end of this structure only.  If you insert new
  30 ** interfaces in the middle of this structure, then older different
  31 ** versions of SQLite will not be able to load each others' shared
  32 ** libraries!
  33 */
  34 struct sqlite3_api_routines {
  35   void * (*aggregate_context)(sqlite3_context*,int nBytes);
  36   int  (*aggregate_count)(sqlite3_context*);
  37   int  (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));
  38   int  (*bind_double)(sqlite3_stmt*,int,double);
  39   int  (*bind_int)(sqlite3_stmt*,int,int);
  40   int  (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);
  41   int  (*bind_null)(sqlite3_stmt*,int);
  42   int  (*bind_parameter_count)(sqlite3_stmt*);
  43   int  (*bind_parameter_index)(sqlite3_stmt*,const char*zName);
  44   const char * (*bind_parameter_name)(sqlite3_stmt*,int);
  45   int  (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));
  46   int  (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));
  47   int  (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);
  48   int  (*busy_handler)(sqlite3*,int(*)(void*,int),void*);
  49   int  (*busy_timeout)(sqlite3*,int ms);
  50   int  (*changes)(sqlite3*);
  51   int  (*close)(sqlite3*);
  52   int  (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*));
  53   int  (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*));
  54   const void * (*column_blob)(sqlite3_stmt*,int iCol);
  55   int  (*column_bytes)(sqlite3_stmt*,int iCol);
  56   int  (*column_bytes16)(sqlite3_stmt*,int iCol);
  57   int  (*column_count)(sqlite3_stmt*pStmt);
  58   const char * (*column_database_name)(sqlite3_stmt*,int);
  59   const void * (*column_database_name16)(sqlite3_stmt*,int);
  60   const char * (*column_decltype)(sqlite3_stmt*,int i);
  61   const void * (*column_decltype16)(sqlite3_stmt*,int);
  62   double  (*column_double)(sqlite3_stmt*,int iCol);
  63   int  (*column_int)(sqlite3_stmt*,int iCol);
  64   sqlite_int64  (*column_int64)(sqlite3_stmt*,int iCol);
  65   const char * (*column_name)(sqlite3_stmt*,int);
  66   const void * (*column_name16)(sqlite3_stmt*,int);
  67   const char * (*column_origin_name)(sqlite3_stmt*,int);
  68   const void * (*column_origin_name16)(sqlite3_stmt*,int);
  69   const char * (*column_table_name)(sqlite3_stmt*,int);
  70   const void * (*column_table_name16)(sqlite3_stmt*,int);
  71   const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);
  72   const void * (*column_text16)(sqlite3_stmt*,int iCol);
  73   int  (*column_type)(sqlite3_stmt*,int iCol);
  74   sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);
  75   void * (*commit_hook)(sqlite3*,int(*)(void*),void*);
  76   int  (*complete)(const char*sql);
  77   int  (*complete16)(const void*sql);
  78   int  (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));
  79   int  (*create_collation16)(sqlite3*,const void*,int,void*,int(*)(void*,int,const void*,int,const void*));
  80   int  (*create_function)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
  81   int  (*create_function16)(sqlite3*,const void*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
  82   int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);
  83   int  (*data_count)(sqlite3_stmt*pStmt);
  84   sqlite3 * (*db_handle)(sqlite3_stmt*);
  85   int (*declare_vtab)(sqlite3*,const char*);
  86   int  (*enable_shared_cache)(int);
  87   int  (*errcode)(sqlite3*db);
  88   const char * (*errmsg)(sqlite3*);
  89   const void * (*errmsg16)(sqlite3*);
  90   int  (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);
  91   int  (*expired)(sqlite3_stmt*);
  92   int  (*finalize)(sqlite3_stmt*pStmt);
  93   void  (*free)(void*);
  94   void  (*free_table)(char**result);
  95   int  (*get_autocommit)(sqlite3*);
  96   void * (*get_auxdata)(sqlite3_context*,int);
  97   int  (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);
  98   int  (*global_recover)(void);
  99   void  (*interruptx)(sqlite3*);
 100   sqlite_int64  (*last_insert_rowid)(sqlite3*);
 101   const char * (*libversion)(void);
 102   int  (*libversion_number)(void);
 103   void *(*malloc)(int);
 104   char * (*mprintf)(const char*,...);
 105   int  (*open)(const char*,sqlite3**);
 106   int  (*open16)(const void*,sqlite3**);
 107   int  (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
 108   int  (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
 109   void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);
 110   void  (*progress_handler)(sqlite3*,int,int(*)(void*),void*);
 111   void *(*realloc)(void*,int);
 112   int  (*reset)(sqlite3_stmt*pStmt);
 113   void  (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));
 114   void  (*result_double)(sqlite3_context*,double);
 115   void  (*result_error)(sqlite3_context*,const char*,int);
 116   void  (*result_error16)(sqlite3_context*,const void*,int);
 117   void  (*result_int)(sqlite3_context*,int);
 118   void  (*result_int64)(sqlite3_context*,sqlite_int64);
 119   void  (*result_null)(sqlite3_context*);
 120   void  (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));
 121   void  (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));
 122   void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
 123   void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
 124   void  (*result_value)(sqlite3_context*,sqlite3_value*);
 125   void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
 126   int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*);
 127   void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
 128   char * (*snprintf)(int,char*,const char*,...);
 129   int  (*step)(sqlite3_stmt*);
 130   int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*);
 131   void  (*thread_cleanup)(void);
 132   int  (*total_changes)(sqlite3*);
 133   void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
 134   int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
 135   void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*);
 136   void * (*user_data)(sqlite3_context*);
 137   const void * (*value_blob)(sqlite3_value*);
 138   int  (*value_bytes)(sqlite3_value*);
 139   int  (*value_bytes16)(sqlite3_value*);
 140   double  (*value_double)(sqlite3_value*);
 141   int  (*value_int)(sqlite3_value*);
 142   sqlite_int64  (*value_int64)(sqlite3_value*);
 143   int  (*value_numeric_type)(sqlite3_value*);
 144   const unsigned char * (*value_text)(sqlite3_value*);
 145   const void * (*value_text16)(sqlite3_value*);
 146   const void * (*value_text16be)(sqlite3_value*);
 147   const void * (*value_text16le)(sqlite3_value*);
 148   int  (*value_type)(sqlite3_value*);
 149   char *(*vmprintf)(const char*,va_list);
 150   /* Added ??? */
 151   int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
 152   /* Added by 3.3.13 */
 153   int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
 154   int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
 155   int (*clear_bindings)(sqlite3_stmt*);
 156   /* Added by 3.4.1 */
 157   int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,void (*xDestroy)(void *));
 158   /* Added by 3.5.0 */
 159   int (*bind_zeroblob)(sqlite3_stmt*,int,int);
 160   int (*blob_bytes)(sqlite3_blob*);
 161   int (*blob_close)(sqlite3_blob*);
 162   int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,int,sqlite3_blob**);
 163   int (*blob_read)(sqlite3_blob*,void*,int,int);
 164   int (*blob_write)(sqlite3_blob*,const void*,int,int);
 165   int (*create_collation_v2)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*),void(*)(void*));
 166   int (*file_control)(sqlite3*,const char*,int,void*);
 167   sqlite3_int64 (*memory_highwater)(int);
 168   sqlite3_int64 (*memory_used)(void);
 169   sqlite3_mutex *(*mutex_alloc)(int);
 170   void (*mutex_enter)(sqlite3_mutex*);
 171   void (*mutex_free)(sqlite3_mutex*);
 172   void (*mutex_leave)(sqlite3_mutex*);
 173   int (*mutex_try)(sqlite3_mutex*);
 174   int (*open_v2)(const char*,sqlite3**,int,const char*);
 175   int (*release_memory)(int);
 176   void (*result_error_nomem)(sqlite3_context*);
 177   void (*result_error_toobig)(sqlite3_context*);
 178   int (*sleep)(int);
 179   void (*soft_heap_limit)(int);
 180   sqlite3_vfs *(*vfs_find)(const char*);
 181   int (*vfs_register)(sqlite3_vfs*,int);
 182   int (*vfs_unregister)(sqlite3_vfs*);
 183   int (*xthreadsafe)(void);
 184   void (*result_zeroblob)(sqlite3_context*,int);
 185   void (*result_error_code)(sqlite3_context*,int);
 186   int (*test_control)(int, ...);
 187   void (*randomness)(int,void*);
 188   sqlite3 *(*context_db_handle)(sqlite3_context*);
 189   int (*extended_result_codes)(sqlite3*,int);
 190   int (*limit)(sqlite3*,int,int);
 191   sqlite3_stmt *(*next_stmt)(sqlite3*,sqlite3_stmt*);
 192   const char *(*sql)(sqlite3_stmt*);
 193   int (*status)(int,int*,int*,int);
 194 };
 195
 196 /*
 197 ** The following macros redefine the API routines so that they are
 198 ** redirected throught the global sqlite3_api structure.
 199 **
 200 ** This header file is also used by the loadext.c source file
 201 ** (part of the main SQLite library - not an extension) so that
 202 ** it can get access to the sqlite3_api_routines structure
 203 ** definition.  But the main library does not want to redefine
 204 ** the API.  So the redefinition macros are only valid if the
 205 ** SQLITE_CORE macros is undefined.
 206 */
 207 #ifndef SQLITE_CORE
 208 #define sqlite3_aggregate_context      sqlite3_api->aggregate_context
 209 #ifndef SQLITE_OMIT_DEPRECATED
 210 #define sqlite3_aggregate_count        sqlite3_api->aggregate_count
 211 #endif
 212 #define sqlite3_bind_blob              sqlite3_api->bind_blob
 213 #define sqlite3_bind_double            sqlite3_api->bind_double
 214 #define sqlite3_bind_int               sqlite3_api->bind_int
 215 #define sqlite3_bind_int64             sqlite3_api->bind_int64
 216 #define sqlite3_bind_null              sqlite3_api->bind_null
 217 #define sqlite3_bind_parameter_count   sqlite3_api->bind_parameter_count
 218 #define sqlite3_bind_parameter_index   sqlite3_api->bind_parameter_index
 219 #define sqlite3_bind_parameter_name    sqlite3_api->bind_parameter_name
 220 #define sqlite3_bind_text              sqlite3_api->bind_text
 221 #define sqlite3_bind_text16            sqlite3_api->bind_text16
 222 #define sqlite3_bind_value             sqlite3_api->bind_value
 223 #define sqlite3_busy_handler           sqlite3_api->busy_handler
 224 #define sqlite3_busy_timeout           sqlite3_api->busy_timeout
 225 #define sqlite3_changes                sqlite3_api->changes
 226 #define sqlite3_close                  sqlite3_api->close
 227 #define sqlite3_collation_needed       sqlite3_api->collation_needed
 228 #define sqlite3_collation_needed16     sqlite3_api->collation_needed16
 229 #define sqlite3_column_blob            sqlite3_api->column_blob
 230 #define sqlite3_column_bytes           sqlite3_api->column_bytes
 231 #define sqlite3_column_bytes16         sqlite3_api->column_bytes16
 232 #define sqlite3_column_count           sqlite3_api->column_count
 233 #define sqlite3_column_database_name   sqlite3_api->column_database_name
 234 #define sqlite3_column_database_name16 sqlite3_api->column_database_name16
 235 #define sqlite3_column_decltype        sqlite3_api->column_decltype
 236 #define sqlite3_column_decltype16      sqlite3_api->column_decltype16
 237 #define sqlite3_column_double          sqlite3_api->column_double
 238 #define sqlite3_column_int             sqlite3_api->column_int
 239 #define sqlite3_column_int64           sqlite3_api->column_int64
 240 #define sqlite3_column_name            sqlite3_api->column_name
 241 #define sqlite3_column_name16          sqlite3_api->column_name16
 242 #define sqlite3_column_origin_name     sqlite3_api->column_origin_name
 243 #define sqlite3_column_origin_name16   sqlite3_api->column_origin_name16
 244 #define sqlite3_column_table_name      sqlite3_api->column_table_name
 245 #define sqlite3_column_table_name16    sqlite3_api->column_table_name16
 246 #define sqlite3_column_text            sqlite3_api->column_text
 247 #define sqlite3_column_text16          sqlite3_api->column_text16
 248 #define sqlite3_column_type            sqlite3_api->column_type
 249 #define sqlite3_column_value           sqlite3_api->column_value
 250 #define sqlite3_commit_hook            sqlite3_api->commit_hook
 251 #define sqlite3_complete               sqlite3_api->complete
 252 #define sqlite3_complete16             sqlite3_api->complete16
 253 #define sqlite3_create_collation       sqlite3_api->create_collation
 254 #define sqlite3_create_collation16     sqlite3_api->create_collation16
 255 #define sqlite3_create_function        sqlite3_api->create_function
 256 #define sqlite3_create_function16      sqlite3_api->create_function16
 257 #define sqlite3_create_module          sqlite3_api->create_module
 258 #define sqlite3_create_module_v2       sqlite3_api->create_module_v2
 259 #define sqlite3_data_count             sqlite3_api->data_count
 260 #define sqlite3_db_handle              sqlite3_api->db_handle
 261 #define sqlite3_declare_vtab           sqlite3_api->declare_vtab
 262 #define sqlite3_enable_shared_cache    sqlite3_api->enable_shared_cache
 263 #define sqlite3_errcode                sqlite3_api->errcode
 264 #define sqlite3_errmsg                 sqlite3_api->errmsg
 265 #define sqlite3_errmsg16               sqlite3_api->errmsg16
 266 #define sqlite3_exec                   sqlite3_api->exec
 267 #ifndef SQLITE_OMIT_DEPRECATED
 268 #define sqlite3_expired                sqlite3_api->expired
 269 #endif
 270 #define sqlite3_finalize               sqlite3_api->finalize
 271 #define sqlite3_free                   sqlite3_api->free
 272 #define sqlite3_free_table             sqlite3_api->free_table
 273 #define sqlite3_get_autocommit         sqlite3_api->get_autocommit
 274 #define sqlite3_get_auxdata            sqlite3_api->get_auxdata
 275 #define sqlite3_get_table              sqlite3_api->get_table
 276 #ifndef SQLITE_OMIT_DEPRECATED
 277 #define sqlite3_global_recover         sqlite3_api->global_recover
 278 #endif
 279 #define sqlite3_interrupt              sqlite3_api->interruptx
 280 #define sqlite3_last_insert_rowid      sqlite3_api->last_insert_rowid
 281 #define sqlite3_libversion             sqlite3_api->libversion
 282 #define sqlite3_libversion_number      sqlite3_api->libversion_number
 283 #define sqlite3_malloc                 sqlite3_api->malloc
 284 #define sqlite3_mprintf                sqlite3_api->mprintf
 285 #define sqlite3_open                   sqlite3_api->open
 286 #define sqlite3_open16                 sqlite3_api->open16
 287 #define sqlite3_prepare                sqlite3_api->prepare
 288 #define sqlite3_prepare16              sqlite3_api->prepare16
 289 #define sqlite3_prepare_v2             sqlite3_api->prepare_v2
 290 #define sqlite3_prepare16_v2           sqlite3_api->prepare16_v2
 291 #define sqlite3_profile                sqlite3_api->profile
 292 #define sqlite3_progress_handler       sqlite3_api->progress_handler
 293 #define sqlite3_realloc                sqlite3_api->realloc
 294 #define sqlite3_reset                  sqlite3_api->reset
 295 #define sqlite3_result_blob            sqlite3_api->result_blob
 296 #define sqlite3_result_double          sqlite3_api->result_double
 297 #define sqlite3_result_error           sqlite3_api->result_error
 298 #define sqlite3_result_error16         sqlite3_api->result_error16
 299 #define sqlite3_result_int             sqlite3_api->result_int
 300 #define sqlite3_result_int64           sqlite3_api->result_int64
 301 #define sqlite3_result_null            sqlite3_api->result_null
 302 #define sqlite3_result_text            sqlite3_api->result_text
 303 #define sqlite3_result_text16          sqlite3_api->result_text16
 304 #define sqlite3_result_text16be        sqlite3_api->result_text16be
 305 #define sqlite3_result_text16le        sqlite3_api->result_text16le
 306 #define sqlite3_result_value           sqlite3_api->result_value
 307 #define sqlite3_rollback_hook          sqlite3_api->rollback_hook
 308 #define sqlite3_set_authorizer         sqlite3_api->set_authorizer
 309 #define sqlite3_set_auxdata            sqlite3_api->set_auxdata
 310 #define sqlite3_snprintf               sqlite3_api->snprintf
 311 #define sqlite3_step                   sqlite3_api->step
 312 #define sqlite3_table_column_metadata  sqlite3_api->table_column_metadata
 313 #define sqlite3_thread_cleanup         sqlite3_api->thread_cleanup
 314 #define sqlite3_total_changes          sqlite3_api->total_changes
 315 #define sqlite3_trace                  sqlite3_api->trace
 316 #ifndef SQLITE_OMIT_DEPRECATED
 317 #define sqlite3_transfer_bindings      sqlite3_api->transfer_bindings
 318 #endif
 319 #define sqlite3_update_hook            sqlite3_api->update_hook
 320 #define sqlite3_user_data              sqlite3_api->user_data
 321 #define sqlite3_value_blob             sqlite3_api->value_blob
 322 #define sqlite3_value_bytes            sqlite3_api->value_bytes
 323 #define sqlite3_value_bytes16          sqlite3_api->value_bytes16
 324 #define sqlite3_value_double           sqlite3_api->value_double
 325 #define sqlite3_value_int              sqlite3_api->value_int
 326 #define sqlite3_value_int64            sqlite3_api->value_int64
 327 #define sqlite3_value_numeric_type     sqlite3_api->value_numeric_type
 328 #define sqlite3_value_text             sqlite3_api->value_text
 329 #define sqlite3_value_text16           sqlite3_api->value_text16
 330 #define sqlite3_value_text16be         sqlite3_api->value_text16be
 331 #define sqlite3_value_text16le         sqlite3_api->value_text16le
 332 #define sqlite3_value_type             sqlite3_api->value_type
 333 #define sqlite3_vmprintf               sqlite3_api->vmprintf
 334 #define sqlite3_overload_function      sqlite3_api->overload_function
 335 #define sqlite3_prepare_v2             sqlite3_api->prepare_v2
 336 #define sqlite3_prepare16_v2           sqlite3_api->prepare16_v2
 337 #define sqlite3_clear_bindings         sqlite3_api->clear_bindings
 338 #define sqlite3_bind_zeroblob          sqlite3_api->bind_zeroblob
 339 #define sqlite3_blob_bytes             sqlite3_api->blob_bytes
 340 #define sqlite3_blob_close             sqlite3_api->blob_close
 341 #define sqlite3_blob_open              sqlite3_api->blob_open
 342 #define sqlite3_blob_read              sqlite3_api->blob_read
 343 #define sqlite3_blob_write             sqlite3_api->blob_write
 344 #define sqlite3_create_collation_v2    sqlite3_api->create_collation_v2
 345 #define sqlite3_file_control           sqlite3_api->file_control
 346 #define sqlite3_memory_highwater       sqlite3_api->memory_highwater
 347 #define sqlite3_memory_used            sqlite3_api->memory_used
 348 #define sqlite3_mutex_alloc            sqlite3_api->mutex_alloc
 349 #define sqlite3_mutex_enter            sqlite3_api->mutex_enter
 350 #define sqlite3_mutex_free             sqlite3_api->mutex_free
 351 #define sqlite3_mutex_leave            sqlite3_api->mutex_leave
 352 #define sqlite3_mutex_try              sqlite3_api->mutex_try
 353 #define sqlite3_open_v2                sqlite3_api->open_v2
 354 #define sqlite3_release_memory         sqlite3_api->release_memory
 355 #define sqlite3_result_error_nomem     sqlite3_api->result_error_nomem
 356 #define sqlite3_result_error_toobig    sqlite3_api->result_error_toobig
 357 #define sqlite3_sleep                  sqlite3_api->sleep
 358 #define sqlite3_soft_heap_limit        sqlite3_api->soft_heap_limit
 359 #define sqlite3_vfs_find               sqlite3_api->vfs_find
 360 #define sqlite3_vfs_register           sqlite3_api->vfs_register
 361 #define sqlite3_vfs_unregister         sqlite3_api->vfs_unregister
 362 #define sqlite3_threadsafe             sqlite3_api->xthreadsafe
 363 #define sqlite3_result_zeroblob        sqlite3_api->result_zeroblob
 364 #define sqlite3_result_error_code      sqlite3_api->result_error_code
 365 #define sqlite3_test_control           sqlite3_api->test_control
 366 #define sqlite3_randomness             sqlite3_api->randomness
 367 #define sqlite3_context_db_handle      sqlite3_api->context_db_handle
 368 #define sqlite3_extended_result_codes  sqlite3_api->extended_result_codes
 369 #define sqlite3_limit                  sqlite3_api->limit
 370 #define sqlite3_next_stmt              sqlite3_api->next_stmt
 371 #define sqlite3_sql                    sqlite3_api->sql
 372 #define sqlite3_status                 sqlite3_api->status
 373 #endif /* SQLITE_CORE */
 374
 375 #define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api = 0;
 376 #define SQLITE_EXTENSION_INIT2(v)  sqlite3_api = v;
 377
 378 #endif /* _SQLITE3EXT_H_ */