Thread: pgsql: Add overflow checks to money type.
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_14_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/e8dfe0430fad922948f56889a84af41da532c853 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(-)