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authorGuilhem Moulin <guilhem@fripost.org>2019-05-22 21:36:21 +0200
committerGuilhem Moulin <guilhem@fripost.org>2019-05-27 00:07:30 +0200
commitb86a1141f7e71cb9244ba4c5609b554417b506bb (patch)
tree58e927addd82931d65e668358cae3dfbe103ccb3 /interimap@.service
parent06e459f3ccfb407d7587c470c37328df386b6ff6 (diff)
interimap: fix handling of mod-sequence values greater or equal than 2 << 63.
SQLite processes every INTEGER values as a 8-byte signed integer, so we need to manually do the conversion from/to uint64_t client-side if we don't want to overflow or receive floats. https://www.sqlite.org/datatype3.html#storage_classes_and_datatypes http://jakegoulding.com/blog/2011/02/06/sqlite-64-bit-integers/ We could also do the same trick for local/remote UIDs, UIDVALITY and UIDNEXT values to slim the database down at the expense of pre/post- processing. (Values of SQLite's INTEGER class are 1, 2, 3, 4, 6, or 8 bytes signed integers depending on the manitudes, so we could save some space for values ≥2³¹.) But that seems a little overkill.
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