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void sqlite3_randomness(int N, void *P);
SQLite contains a high-quality pseudo-random number generator (PRNG) used to select random ROWIDs when inserting new records into a table that already uses the largest possible ROWID. The PRNG is also used for the built-in random() and randomblob() SQL functions. This interface allows applications to access the same PRNG for other purposes.
R-37127-14782:[A call to this routine stores N bytes of randomness into buffer P. ] R-44028-31666:[The P parameter can be a NULL pointer. ]
R-30493-01537:[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. ] R-28765-22796:[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. ]
See also lists of Objects, Constants, and Functions.
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