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Tom Lane 3606754da9 When using the OSSP UUID library, cache its uuid_t state object. ... The original coding in contrib/uuid-ossp created and destroyed a uuid_t object (or, in some cases, even two of them) each time it was called. This is not the intended usage: you're supposed to keep the uuid_t object around so that the library can cache its state across uses. (Other UUID libraries seem to keep equivalent state behind-the-scenes in static variables, but OSSP chose differently.) Aside from being quite inefficient, creating a new uuid_t loses knowledge of the previously generated UUID, which in theory could result in duplicate V1-style UUIDs being created on sufficiently fast machines. On at least some platforms, creating a new uuid_t also draws some entropy from /dev/urandom, leaving less for the rest of the system. This seems sufficiently unpleasant to justify back-patching this change.		12 years ago
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Makefile	Convert contrib modules to use the extension facility.	15 years ago
uuid-ossp--1.0.sql	Fix quoting in help messages in uuid-ossp extension scripts.	12 years ago
uuid-ossp--unpackaged--1.0.sql	Fix quoting in help messages in uuid-ossp extension scripts.	12 years ago
uuid-ossp.c	When using the OSSP UUID library, cache its uuid_t state object.	12 years ago
uuid-ossp.control	Convert contrib modules to use the extension facility.	15 years ago