pgsql: Revert "Rename files and headers related to index AM"

Revert "Rename files and headers related to index AM"

This follows multiple complains from Peter Geoghegan, Andres Freund and
Alvaro Herrera that this issue ought to be dug more before actually
happening, if it happens.

Discussion: https://postgr.es/m/20191226144606.GA5659@alvherre.pgsql

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/7854e07f25be3a3dfa9c94011a30767eca3c10ba

Modified Files
--------------
contrib/bloom/blinsert.c | 2 +-
contrib/bloom/bloom.h | 2 +-
contrib/bloom/blutils.c | 2 +-
contrib/bloom/blvacuum.c | 2 +-
contrib/bloom/blvalidate.c | 2 +-
contrib/sepgsql/database.c | 2 +-
contrib/sepgsql/label.c | 2 +-
contrib/sepgsql/proc.c | 2 +-
contrib/sepgsql/relation.c | 2 +-
contrib/sepgsql/schema.c | 2 +-
src/backend/access/brin/brin_inclusion.c | 2 +-
src/backend/access/brin/brin_minmax.c | 2 +-
src/backend/access/brin/brin_validate.c | 2 +-
src/backend/access/common/detoast.c | 2 +-
src/backend/access/common/toast_internals.c | 2 +-
src/backend/access/gin/ginvalidate.c | 2 +-
src/backend/access/gist/gistbuild.c | 2 +-
src/backend/access/gist/gistbuildbuffers.c | 2 +-
src/backend/access/gist/gistget.c | 2 +-
src/backend/access/gist/gistvacuum.c | 2 +-
src/backend/access/gist/gistvalidate.c | 2 +-
src/backend/access/hash/hashvalidate.c | 2 +-
src/backend/access/heap/heapam.c | 2 +-
src/backend/access/heap/heapam_handler.c | 2 +-
src/backend/access/heap/vacuumlazy.c | 2 +-
src/backend/access/index/Makefile | 8 ++++----
src/backend/access/index/{indexamapi.c => amapi.c} | 6 +++---
.../access/index/{indexamvalidate.c => amvalidate.c} | 6 +++---
src/backend/access/index/{indexgenam.c => genam.c} | 8 ++++----
src/backend/access/index/indexam.c | 2 +-
src/backend/access/nbtree/nbtvalidate.c | 2 +-
src/backend/access/spgist/spgdoinsert.c | 2 +-
src/backend/access/spgist/spginsert.c | 2 +-
src/backend/access/spgist/spgscan.c | 2 +-
src/backend/access/spgist/spgutils.c | 2 +-
src/backend/access/spgist/spgvacuum.c | 2 +-
src/backend/access/spgist/spgvalidate.c | 2 +-
src/backend/bootstrap/bootstrap.c | 2 +-
src/backend/catalog/aclchk.c | 2 +-
src/backend/catalog/catalog.c | 2 +-
src/backend/catalog/dependency.c | 2 +-
src/backend/catalog/heap.c | 2 +-
src/backend/catalog/index.c | 2 +-
src/backend/catalog/indexing.c | 2 +-
src/backend/catalog/objectaddress.c | 2 +-
src/backend/catalog/partition.c | 2 +-
src/backend/catalog/pg_collation.c | 2 +-
src/backend/catalog/pg_constraint.c | 2 +-
src/backend/catalog/pg_db_role_setting.c | 2 +-
src/backend/catalog/pg_depend.c | 2 +-
src/backend/catalog/pg_enum.c | 2 +-
src/backend/catalog/pg_inherits.c | 2 +-
src/backend/catalog/pg_largeobject.c | 2 +-
src/backend/catalog/pg_publication.c | 2 +-
src/backend/catalog/pg_range.c | 2 +-
src/backend/catalog/pg_shdepend.c | 2 +-
src/backend/catalog/pg_subscription.c | 2 +-
src/backend/commands/analyze.c | 2 +-
src/backend/commands/cluster.c | 2 +-
src/backend/commands/comment.c | 2 +-
src/backend/commands/constraint.c | 2 +-
src/backend/commands/dbcommands.c | 2 +-
src/backend/commands/extension.c | 2 +-
src/backend/commands/functioncmds.c | 2 +-
src/backend/commands/indexcmds.c | 2 +-
src/backend/commands/matview.c | 2 +-
src/backend/commands/opclasscmds.c | 2 +-
src/backend/commands/policy.c | 2 +-
src/backend/commands/proclang.c | 2 +-
src/backend/commands/publicationcmds.c | 2 +-
src/backend/commands/seclabel.c | 2 +-
src/backend/commands/tablecmds.c | 2 +-
src/backend/commands/trigger.c | 2 +-
src/backend/commands/tsearchcmds.c | 2 +-
src/backend/commands/typecmds.c | 2 +-
src/backend/commands/user.c | 2 +-
src/backend/commands/vacuum.c | 2 +-
src/backend/executor/execAmi.c | 2 +-
src/backend/executor/execCurrent.c | 2 +-
src/backend/executor/execIndexing.c | 2 +-
src/backend/executor/execReplication.c | 2 +-
src/backend/executor/nodeBitmapIndexscan.c | 2 +-
src/backend/executor/nodeIndexonlyscan.c | 2 +-
src/backend/optimizer/path/costsize.c | 4 ++--
src/backend/optimizer/plan/planner.c | 2 +-
src/backend/optimizer/util/plancat.c | 2 +-
src/backend/parser/parse_utilcmd.c | 2 +-
src/backend/partitioning/partdesc.c | 2 +-
src/backend/replication/logical/origin.c | 2 +-
src/backend/rewrite/rewriteRemove.c | 2 +-
src/backend/statistics/extended_stats.c | 2 +-
src/backend/storage/large_object/inv_api.c | 2 +-
src/backend/utils/adt/amutils.c | 2 +-
src/backend/utils/adt/enum.c | 2 +-
src/backend/utils/adt/ruleutils.c | 2 +-
src/backend/utils/cache/catcache.c | 2 +-
src/backend/utils/cache/evtcache.c | 2 +-
src/backend/utils/cache/relfilenodemap.c | 2 +-
src/backend/utils/cache/ts_cache.c | 2 +-
src/backend/utils/init/postinit.c | 2 +-
src/include/access/{indexam.h => amapi.h} | 14 +++++++-------
src/include/access/{indexamvalidate.h => amvalidate.h} | 12 ++++++------
src/include/access/brin_internal.h | 2 +-
src/include/access/{indexgenam.h => genam.h} | 14 +++++++-------
src/include/access/gin_private.h | 2 +-
src/include/access/gist_private.h | 4 ++--
src/include/access/gistscan.h | 2 +-
src/include/access/hash.h | 2 +-
src/include/access/nbtree.h | 2 +-
src/include/access/reloptions.h | 2 +-
src/include/access/spgist.h | 2 +-
src/include/executor/nodeIndexscan.h | 2 +-
src/include/nodes/nodes.h | 2 +-
src/include/nodes/pathnodes.h | 2 +-
src/include/utils/index_selfuncs.h | 4 ++--
src/include/utils/rel.h | 2 +-
src/test/modules/dummy_index_am/dummy_index_am.c | 2 +-
117 files changed, 147 insertions(+), 147 deletions(-)