pgsql: get_relid_attribute_name is dead, long live get_attname

get_relid_attribute_name is dead, long live get_attname

The modern way is to use a missing_ok argument instead of two separate
almost-identical routines, so do that.

Author: Michaël Paquier
Reviewed-by: Álvaro Herrera
Discussion: https://postgr.es/m/20180201063212.GE6398@paquier.xyz

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/8237f27b504ff1d1e2da7ae4c81a7f72ea0e0e3e

Modified Files
--------------
contrib/postgres_fdw/deparse.c      |  2 +-
contrib/postgres_fdw/postgres_fdw.c |  2 +-
contrib/sepgsql/dml.c               |  5 +----
src/backend/catalog/heap.c          |  3 ++-
src/backend/catalog/objectaddress.c |  9 +++++----
src/backend/parser/parse_relation.c |  2 +-
src/backend/parser/parse_utilcmd.c  | 10 +++++-----
src/backend/utils/adt/ruleutils.c   | 26 ++++++++++++++------------
src/backend/utils/cache/lsyscache.c | 31 ++++++++-----------------------
src/backend/utils/cache/relcache.c  |  2 +-
src/include/utils/lsyscache.h       |  3 +--
11 files changed, 40 insertions(+), 55 deletions(-)