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Overview
| Comment: | Update the documentation on the sqlite3_randomness() interface to conform to enhancements associated with the SQLITE_ENABLE_API_ARMOR change. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
96e9917c350dfe2069b87860bbb96142 |
| User & Date: | drh 2014-10-28 20:35:18 |
Context
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2014-10-28
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| 20:49 | Add new test file e_totalchanges.test, containing tests of the sqlite3_total_changes() interface. (check-in: f84af4ad user: dan tags: trunk) | |
| 20:35 | Update the documentation on the sqlite3_randomness() interface to conform to enhancements associated with the SQLITE_ENABLE_API_ARMOR change. (check-in: 96e9917c user: drh tags: trunk) | |
| 18:24 | Modify the documentation for sqlite3_changes() to make it more testable. Add tests and minor fixes for the same. (check-in: 41cdd0c4 user: dan tags: trunk) | |
Changes
Changes to src/sqlite.h.in.
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** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for ** the build-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. ** ^If N is less than one, then P can be a NULL pointer. ** ** ^If this routine has not been previously called or if the previous ** call had N less than one, then the PRNG is seeded using randomness ** obtained from the xRandomness method of the default [sqlite3_vfs] object. ** ^If the previous call to this routine had an N of 1 or more then ** the pseudo-randomness is generated ** internally and without recourse to the [sqlite3_vfs] xRandomness ** method. */ void sqlite3_randomness(int N, void *P); /* ** CAPI3REF: Compile-Time Authorization Callbacks |
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** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for ** the build-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. ** ^The P parameter can be a NULL pointer. ** ** ^If this routine has not been previously called or if the previous ** call had N less than one or a NULL pointer for P, then the PRNG is ** seeded using randomness obtained from the xRandomness method of ** the default [sqlite3_vfs] object. ** ^If the previous call to this routine had an N of 1 or more and a ** non-NULL P then the pseudo-randomness is generated ** internally and without recourse to the [sqlite3_vfs] xRandomness ** method. */ void sqlite3_randomness(int N, void *P); /* ** CAPI3REF: Compile-Time Authorization Callbacks |