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Add the experimental sqlite3session_changeset_size() API.

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FossilOrigin-Name: b5564a6fd54875db1de884fdc0e5eeabcd6aa5595ad03a8a60843503e830a2d8
This commit is contained in:
dan
2021-04-21 20:52:17 +00:00
parent 7437c25b63
commit a23a873fbb
12 changed files with 305 additions and 35 deletions
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10
src/sqlite.h.in
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@@ -9546,6 +9546,15 @@ int sqlite3_db_cacheflush(sqlite3*);
** triggers; or 2 for changes resulting from triggers called by top-level
** triggers; and so forth.
**
** When the [sqlite3_blob_write()] API is used to update a blob column,
** the pre-update hook is invoked with SQLITE_DELETE. This is because the
** in this case the new values are not available. In this case, when a
** callback made with op==SQLITE_DELETE is actuall a write using the
** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns
** the index of the column being written. In other cases, where the
** pre-update hook is being invoked for some other reason, including a
** regular DELETE, sqlite3_preupdate_blobwrite() returns -1.
**
** See also: [sqlite3_update_hook()]
*/
#if defined(SQLITE_ENABLE_PREUPDATE_HOOK)
@@ -9566,6 +9575,7 @@ int sqlite3_preupdate_old(sqlite3 *, int, sqlite3_value **);
int sqlite3_preupdate_count(sqlite3 *);
int sqlite3_preupdate_depth(sqlite3 *);
int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **);
int sqlite3_preupdate_blobwrite(sqlite3 *);
#endif
/*