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Overview
Comment: | Add the new "nochange" APIs to the extension loading mechanism. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
cd7c42699e73b688dbed29ed5d243d06 |
User & Date: | drh 2018-01-13 01:53:09.144 |
Context
2018-01-13
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02:07 | Updates and minor typo fix for the README. (check-in: bb196fcb67 user: mistachkin tags: trunk) | |
01:53 | Add the new "nochange" APIs to the extension loading mechanism. (check-in: cd7c42699e user: drh tags: trunk) | |
2018-01-12
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23:38 | Add the sqlite3_value_nochange() API, usable from within the xUpdate method of a virtual table to discover whether or not a column was unchanged at the SQL level. (check-in: dec3ea4e4e user: drh tags: trunk) | |
Changes
Changes to src/loadext.c.
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426 427 428 429 430 431 432 | /* Version 3.18.0 and later */ sqlite3_set_last_insert_rowid, /* Version 3.20.0 and later */ sqlite3_prepare_v3, sqlite3_prepare16_v3, sqlite3_bind_pointer, sqlite3_result_pointer, | | > > > | 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 | /* Version 3.18.0 and later */ sqlite3_set_last_insert_rowid, /* Version 3.20.0 and later */ sqlite3_prepare_v3, sqlite3_prepare16_v3, sqlite3_bind_pointer, sqlite3_result_pointer, sqlite3_value_pointer, /* Version 3.22.0 and later */ sqlite3_vtab_nochange, sqlite3_value_nochange }; /* ** 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. |
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Changes to src/sqlite3ext.h.
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288 289 290 291 292 293 294 295 296 297 298 299 300 301 | int (*prepare_v3)(sqlite3*,const char*,int,unsigned int, sqlite3_stmt**,const char**); int (*prepare16_v3)(sqlite3*,const void*,int,unsigned int, sqlite3_stmt**,const void**); int (*bind_pointer)(sqlite3_stmt*,int,void*,const char*,void(*)(void*)); void (*result_pointer)(sqlite3_context*,void*,const char*,void(*)(void*)); void *(*value_pointer)(sqlite3_value*,const char*); }; /* ** 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)( | > > | 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 | int (*prepare_v3)(sqlite3*,const char*,int,unsigned int, sqlite3_stmt**,const char**); int (*prepare16_v3)(sqlite3*,const void*,int,unsigned int, sqlite3_stmt**,const void**); int (*bind_pointer)(sqlite3_stmt*,int,void*,const char*,void(*)(void*)); void (*result_pointer)(sqlite3_context*,void*,const char*,void(*)(void*)); void *(*value_pointer)(sqlite3_value*,const char*); int (*vtab_nochange)(sqlite3_context*); int (*value_nochange)(sqlite3_value*); }; /* ** 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)( |
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554 555 556 557 558 559 560 561 562 563 564 565 566 567 | #define sqlite3_set_last_insert_rowid sqlite3_api->set_last_insert_rowid /* Version 3.20.0 and later */ #define sqlite3_prepare_v3 sqlite3_api->prepare_v3 #define sqlite3_prepare16_v3 sqlite3_api->prepare16_v3 #define sqlite3_bind_pointer sqlite3_api->bind_pointer #define sqlite3_result_pointer sqlite3_api->result_pointer #define sqlite3_value_pointer sqlite3_api->value_pointer #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; | > > > | 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 | #define sqlite3_set_last_insert_rowid sqlite3_api->set_last_insert_rowid /* Version 3.20.0 and later */ #define sqlite3_prepare_v3 sqlite3_api->prepare_v3 #define sqlite3_prepare16_v3 sqlite3_api->prepare16_v3 #define sqlite3_bind_pointer sqlite3_api->bind_pointer #define sqlite3_result_pointer sqlite3_api->result_pointer #define sqlite3_value_pointer sqlite3_api->value_pointer /* Version 3.22.0 and later */ #define sqlite3_vtab_nochange sqlite3_api->vtab_nochange #define sqlite3_value_nochange sqltie3_api->value_nochange #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; |
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