SQLite

Check-in [3def6d8ef1]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Add the ability for loadable extensions to access the new sqlite3_create_window_function() interface.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 3def6d8ef11702eb03ad56aeb01763ec8e4ca8ed3b570ffb680164c5c3679e4f
User & Date: drh 2018-09-10 17:21:17.125
Context
2018-09-10
19:27
Fix a minor problem causing an incorrect cursor-hint to be generated in some cases. (check-in: d879c47d7d user: dan tags: trunk)
17:21
Add the ability for loadable extensions to access the new sqlite3_create_window_function() interface. (check-in: 3def6d8ef1 user: drh tags: trunk)
16:38
Fix a broken assert() in fts3.c. (check-in: 564fa75195 user: dan tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/loadext.c.
︙
445
446
447
448
449
450
451
452



453
454
455
456
457
458
459

445
446
447
448
449
450
451

452
453
454
455
456
457
458
459
460
461








-
+
+
+








  sqlite3_str_vappendf,
  sqlite3_str_append,
  sqlite3_str_appendall,
  sqlite3_str_appendchar,
  sqlite3_str_reset,
  sqlite3_str_errcode,
  sqlite3_str_length,
  sqlite3_str_value
  sqlite3_str_value,
  /* Version 3.25.0 and later */
  sqlite3_create_window_function
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.
︙
Changes to src/sqlite3ext.h.
︙
306
307
308
309
310
311
312






313
314
315
316
317
318
319

306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325








+
+
+
+
+
+








  void (*str_append)(sqlite3_str*, const char *zIn, int N);
  void (*str_appendall)(sqlite3_str*, const char *zIn);
  void (*str_appendchar)(sqlite3_str*, int N, char C);
  void (*str_reset)(sqlite3_str*);
  int (*str_errcode)(sqlite3_str*);
  int (*str_length)(sqlite3_str*);
  char *(*str_value)(sqlite3_str*);
  int (*create_window_function)(sqlite3*,const char*,int,int,void*,
                            void (*xStep)(sqlite3_context*,int,sqlite3_value**),
                            void (*xFinal)(sqlite3_context*),
                            void (*xValue)(sqlite3_context*),
                            void (*xInv)(sqlite3_context*,int,sqlite3_value**),
                            void(*xDestroy)(void*));
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
︙
591
592
593
594
595
596
597


598
599
600
601
602
603
604

597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612








+
+








#define sqlite3_str_append             sqlite3_api->str_append
#define sqlite3_str_appendall          sqlite3_api->str_appendall
#define sqlite3_str_appendchar         sqlite3_api->str_appendchar
#define sqlite3_str_reset              sqlite3_api->str_reset
#define sqlite3_str_errcode            sqlite3_api->str_errcode
#define sqlite3_str_length             sqlite3_api->str_length
#define sqlite3_str_value              sqlite3_api->str_value
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
︙