pgsql: Fix loss of precision in pg_stat_us_to_ms() - Mailing list pgsql-committers

From John Naylor
Subject pgsql: Fix loss of precision in pg_stat_us_to_ms()
Date
Msg-id E1wfB2N-00138j-2f@gemulon.postgresql.org
Whole thread
List pgsql-committers
Fix loss of precision in pg_stat_us_to_ms()

Multiplying by the constant 0.001 can produce trailing-digit noise in
displayed values (for example 0.009000000000000001 instead of 0.009,
with default extra_float_digits) because 0.001 cannot be represented
exactly in binary floating point. Use division by 1000.0 instead,
matching code elsewhere in the tree.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/akIYkMK4bHe9qX/N@bdtpg

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/3eca140531f1c8e58e9a59af827488616699a052

Modified Files
--------------
src/backend/utils/adt/pgstatfuncs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)


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