Add overflow checks to money type. None of the arithmetic functions for the the money type handle overflow. This commit introduces several helper functions with overflow checking and makes use of them in the money type's arithmetic functions. Fixes bug #18240. Reported-by: Alexander Lakhin Author: Joseph Koshakow Discussion: https://postgr.es/m/18240-c5da758d7dc1ecf0%40postgresql.org Discussion: https://postgr.es/m/CAAvxfHdBPOyEGS7s%2Bxf4iaW0-cgiq25jpYdWBqQqvLtLe_t6tw%40mail.gmail.com Backpatch-through: 12 Branch ------ REL_13_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/c5321e9651c5a9306ffe0d4488a0bb3607534920 Modified Files -------------- src/backend/utils/adt/cash.c | 174 +++++++++++++++++++----------------- src/test/regress/expected/money.out | 19 ++++ src/test/regress/sql/money.sql | 11 +++ 3 files changed, 124 insertions(+), 80 deletions(-)
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