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|Comment:||Amplify the restriction on commit-hooks that they cannot recursively run SQL on the same database connection.|
|Downloads:||Tarball | ZIP archive | SQL archive|
|Timelines:||family | ancestors | descendants | both | trunk|
|Files:||files | file ages | folders|
|User & Date:||drh 2011-11-07 17:54:26|
|18:16||Make the unix VFS tolerant of read() calls that return less than the requested number of bytes. check-in: a210695a user: drh tags: trunk|
|17:54||Amplify the restriction on commit-hooks that they cannot recursively run SQL on the same database connection. check-in: 4fe5b731 user: drh tags: trunk|
|16:46||Add a makefile target for tclsqlite3.c to Makefile.in. check-in: f521b6b7 user: drh tags: trunk|
Changes to src/sqlite.h.in.
4397 4397 ** then the commit is converted into a rollback. 4398 4398 ** 4399 4399 ** ^The sqlite3_commit_hook(D,C,P) and sqlite3_rollback_hook(D,C,P) functions 4400 4400 ** return the P argument from the previous call of the same function 4401 4401 ** on the same [database connection] D, or NULL for 4402 4402 ** the first call for each function on D. 4403 4403 ** 4404 +** The commit and rollback hook callbacks are not reentrant. 4404 4405 ** The callback implementation must not do anything that will modify 4405 4406 ** the database connection that invoked the callback. Any actions 4406 4407 ** to modify the database connection must be deferred until after the 4407 4408 ** completion of the [sqlite3_step()] call that triggered the commit 4408 4409 ** or rollback hook in the first place. 4409 -** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their 4410 -** database connections for the meaning of "modify" in this paragraph. 4410 +** Note that running any other SQL statements, including SELECT statements, 4411 +** or merely calling [sqlite3_prepare_v2()] and [sqlite3_step()] will modify 4412 +** the database connections for the meaning of "modify" in this paragraph. 4411 4413 ** 4412 4414 ** ^Registering a NULL function disables the callback. 4413 4415 ** 4414 4416 ** ^When the commit hook callback routine returns zero, the [COMMIT] 4415 4417 ** operation is allowed to continue normally. ^If the commit hook 4416 4418 ** returns non-zero, then the [COMMIT] is converted into a [ROLLBACK]. 4417 4419 ** ^The rollback hook is invoked on a rollback that results from a commit