The AIX 7.1 libm is static, and AIX postgres executables do not export
symbols acquired from libraries. Back-patch to 9.5, where commit
cfe12763c3 added a sqrt() call.
The new fields are min_time, max_time, mean_time and stddev_time.
Based on an original patch from Mitsumasa KONDO, modified by me. Reviewed by Petr Jelínek.
Prominent binaries already had this metadata. A handful of minor
binaries, such as pg_regress.exe, still lack it; efforts to eliminate
such exceptions are welcome.
Michael Paquier, reviewed by MauMau.
The query ID is the internal hash identifier of the statement,
and was not available in pg_stat_statements view so far.
Daniel Farina, Sameer Thakur and Peter Geoghegan, reviewed by me.
This isn't fully tested as yet, in particular I'm not sure that the
"foo--unpackaged--1.0.sql" scripts are OK. But it's time to get some
buildfarm cycles on it.
sepgsql is not converted to an extension, mainly because it seems to
require a very nonstandard installation process.
Dimitri Fontaine and Tom Lane
