pgsql: Add flag values in WAL description to all heap records

Add flag values in WAL description to all heap records

Hexadecimal is consistently used as format to not bloat too much the
output but keep it readable.  This information is useful mainly for
debugging purposes with for example pg_waldump.

Author: Michael Paquier
Reviewed-by: Nathan Bossart, Dmitry Dolgov, Andres Freund, Álvaro
Herrera
Discussion: https://postgr.es/m/20180413034734.GE1552@paquier.xyz

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3be97b97ed37b966173f027091f21d8a7605e2a5

Modified Files
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src/backend/access/rmgrdesc/heapdesc.c | 26 ++++++++++++++++----------
1 file changed, 16 insertions(+), 10 deletions(-)