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Overview
| 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 |
| SHA1: |
4fe5b73115a8b44950767f1b52810726 |
| User & Date: | drh 2011-11-07 17:54:26 |
Context
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2011-11-07
| ||
| 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
Changes to src/sqlite.h.in.
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** then the commit is converted into a rollback. ** ** ^The sqlite3_commit_hook(D,C,P) and sqlite3_rollback_hook(D,C,P) functions ** return the P argument from the previous call of the same function ** on the same [database connection] D, or NULL for ** the first call for each function on D. ** ** The callback implementation must not do anything that will modify ** the database connection that invoked the callback. Any actions ** to modify the database connection must be deferred until after the ** completion of the [sqlite3_step()] call that triggered the commit ** or rollback hook in the first place. ** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their ** database connections for the meaning of "modify" in this paragraph. ** ** ^Registering a NULL function disables the callback. ** ** ^When the commit hook callback routine returns zero, the [COMMIT] ** operation is allowed to continue normally. ^If the commit hook ** returns non-zero, then the [COMMIT] is converted into a [ROLLBACK]. ** ^The rollback hook is invoked on a rollback that results from a commit |
> > | | |
4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 |
** then the commit is converted into a rollback. ** ** ^The sqlite3_commit_hook(D,C,P) and sqlite3_rollback_hook(D,C,P) functions ** return the P argument from the previous call of the same function ** on the same [database connection] D, or NULL for ** the first call for each function on D. ** ** The commit and rollback hook callbacks are not reentrant. ** The callback implementation must not do anything that will modify ** the database connection that invoked the callback. Any actions ** to modify the database connection must be deferred until after the ** completion of the [sqlite3_step()] call that triggered the commit ** or rollback hook in the first place. ** Note that running any other SQL statements, including SELECT statements, ** or merely calling [sqlite3_prepare_v2()] and [sqlite3_step()] will modify ** the database connections for the meaning of "modify" in this paragraph. ** ** ^Registering a NULL function disables the callback. ** ** ^When the commit hook callback routine returns zero, the [COMMIT] ** operation is allowed to continue normally. ^If the commit hook ** returns non-zero, then the [COMMIT] is converted into a [ROLLBACK]. ** ^The rollback hook is invoked on a rollback that results from a commit |