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/[email protected]

117 files changed, 147 insertions, 147 deletions

diff --git a/contrib/bloom/blinsert.c b/contrib/bloom/blinsert.c
index 5df616e96e..adcbd168fb 100644
--- a/contrib/bloom/blinsert.c
+++ b/contrib/bloom/blinsert.c
@@ -12,8 +12,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/generic_xlog.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "bloom.h"
 #include "catalog/index.h"
diff --git a/contrib/bloom/bloom.h b/contrib/bloom/bloom.h
index 5a6e5e48a1..a7179981f4 100644
--- a/contrib/bloom/bloom.h
+++ b/contrib/bloom/bloom.h
@@ -13,8 +13,8 @@
 #ifndef _BLOOM_H_
 #define _BLOOM_H_
 
+#include "access/amapi.h"
 #include "access/generic_xlog.h"
-#include "access/indexam.h"
 #include "access/itup.h"
 #include "access/xlog.h"
 #include "fmgr.h"
diff --git a/contrib/bloom/blutils.c b/contrib/bloom/blutils.c
index 44b7e74c5c..e2063bac62 100644
--- a/contrib/bloom/blutils.c
+++ b/contrib/bloom/blutils.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/generic_xlog.h"
-#include "access/indexam.h"
 #include "access/reloptions.h"
 #include "bloom.h"
 #include "catalog/index.h"
diff --git a/contrib/bloom/blvacuum.c b/contrib/bloom/blvacuum.c
index f0a5d8cc5e..0c33d1e195 100644
--- a/contrib/bloom/blvacuum.c
+++ b/contrib/bloom/blvacuum.c
@@ -12,7 +12,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "bloom.h"
 #include "catalog/storage.h"
 #include "commands/vacuum.h"
diff --git a/contrib/bloom/blvalidate.c b/contrib/bloom/blvalidate.c
index ca2cb095f0..b3dfe03022 100644
--- a/contrib/bloom/blvalidate.c
+++ b/contrib/bloom/blvalidate.c
@@ -12,8 +12,8 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "bloom.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
diff --git a/contrib/sepgsql/database.c b/contrib/sepgsql/database.c
index 1fe30e34e4..5850e076eb 100644
--- a/contrib/sepgsql/database.c
+++ b/contrib/sepgsql/database.c
@@ -10,8 +10,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
diff --git a/contrib/sepgsql/label.c b/contrib/sepgsql/label.c
index 083897aa39..d8a1d129d2 100644
--- a/contrib/sepgsql/label.c
+++ b/contrib/sepgsql/label.c
@@ -12,8 +12,8 @@
 
 #include <selinux/label.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/contrib/sepgsql/proc.c b/contrib/sepgsql/proc.c
index 47382994e2..345a4c253d 100644
--- a/contrib/sepgsql/proc.c
+++ b/contrib/sepgsql/proc.c
@@ -10,8 +10,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
diff --git a/contrib/sepgsql/relation.c b/contrib/sepgsql/relation.c
index 4b1f772fc2..fa34221509 100644
--- a/contrib/sepgsql/relation.c
+++ b/contrib/sepgsql/relation.c
@@ -10,8 +10,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
diff --git a/contrib/sepgsql/schema.c b/contrib/sepgsql/schema.c
index 42001bf133..00c227d86c 100644
--- a/contrib/sepgsql/schema.c
+++ b/contrib/sepgsql/schema.c
@@ -10,8 +10,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
diff --git a/src/backend/access/brin/brin_inclusion.c b/src/backend/access/brin/brin_inclusion.c
index 152b8b70da..86788024ef 100644
--- a/src/backend/access/brin/brin_inclusion.c
+++ b/src/backend/access/brin/brin_inclusion.c
@@ -26,7 +26,7 @@
 
 #include "access/brin_internal.h"
 #include "access/brin_tuple.h"
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/skey.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_type.h"
diff --git a/src/backend/access/brin/brin_minmax.c b/src/backend/access/brin/brin_minmax.c
index d0d4389ea3..655c0b54b5 100644
--- a/src/backend/access/brin/brin_minmax.c
+++ b/src/backend/access/brin/brin_minmax.c
@@ -12,7 +12,7 @@
 
 #include "access/brin_internal.h"
 #include "access/brin_tuple.h"
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/stratnum.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_type.h"
diff --git a/src/backend/access/brin/brin_validate.c b/src/backend/access/brin/brin_validate.c
index 9b6f435e56..02337a767c 100644
--- a/src/backend/access/brin/brin_validate.c
+++ b/src/backend/access/brin/brin_validate.c
@@ -13,9 +13,9 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/brin_internal.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
 #include "catalog/pg_opclass.h"
diff --git a/src/backend/access/common/detoast.c b/src/backend/access/common/detoast.c
index d6f45c8463..78fcc876da 100644
--- a/src/backend/access/common/detoast.c
+++ b/src/backend/access/common/detoast.c
@@ -14,7 +14,7 @@
 #include "postgres.h"
 
 #include "access/detoast.h"
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/heaptoast.h"
 #include "access/table.h"
 #include "access/toast_internals.h"
diff --git a/src/backend/access/common/toast_internals.c b/src/backend/access/common/toast_internals.c
index 63517132d6..a971242490 100644
--- a/src/backend/access/common/toast_internals.c
+++ b/src/backend/access/common/toast_internals.c
@@ -14,9 +14,9 @@
 #include "postgres.h"
 
 #include "access/detoast.h"
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/heaptoast.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/toast_internals.h"
 #include "access/xact.h"
diff --git a/src/backend/access/gin/ginvalidate.c b/src/backend/access/gin/ginvalidate.c
index 5abd746894..5d96f29cde 100644
--- a/src/backend/access/gin/ginvalidate.c
+++ b/src/backend/access/gin/ginvalidate.c
@@ -13,9 +13,9 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/gin_private.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
 #include "catalog/pg_opclass.h"
diff --git a/src/backend/access/gist/gistbuild.c b/src/backend/access/gist/gistbuild.c
index b9b31dd63e..739846a257 100644
--- a/src/backend/access/gist/gistbuild.c
+++ b/src/backend/access/gist/gistbuild.c
@@ -16,9 +16,9 @@
 
 #include <math.h>
 
+#include "access/genam.h"
 #include "access/gist_private.h"
 #include "access/gistxlog.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "access/xloginsert.h"
 #include "catalog/index.h"
diff --git a/src/backend/access/gist/gistbuildbuffers.c b/src/backend/access/gist/gistbuildbuffers.c
index 39121d5597..38f786848d 100644
--- a/src/backend/access/gist/gistbuildbuffers.c
+++ b/src/backend/access/gist/gistbuildbuffers.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/gist_private.h"
-#include "access/indexgenam.h"
 #include "catalog/index.h"
 #include "miscadmin.h"
 #include "storage/buffile.h"
diff --git a/src/backend/access/gist/gistget.c b/src/backend/access/gist/gistget.c
index dd1df12fc8..98b6892013 100644
--- a/src/backend/access/gist/gistget.c
+++ b/src/backend/access/gist/gistget.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/gist_private.h"
-#include "access/indexgenam.h"
 #include "access/relscan.h"
 #include "lib/pairingheap.h"
 #include "miscadmin.h"
diff --git a/src/backend/access/gist/gistvacuum.c b/src/backend/access/gist/gistvacuum.c
index c8bb5f96b0..710e4015b3 100644
--- a/src/backend/access/gist/gistvacuum.c
+++ b/src/backend/access/gist/gistvacuum.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/gist_private.h"
-#include "access/indexgenam.h"
 #include "access/transam.h"
 #include "commands/vacuum.h"
 #include "lib/integerset.h"
diff --git a/src/backend/access/gist/gistvalidate.c b/src/backend/access/gist/gistvalidate.c
index 3357689970..dfc1a87a75 100644
--- a/src/backend/access/gist/gistvalidate.c
+++ b/src/backend/access/gist/gistvalidate.c
@@ -13,9 +13,9 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/gist_private.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
 #include "catalog/pg_opclass.h"
diff --git a/src/backend/access/hash/hashvalidate.c b/src/backend/access/hash/hashvalidate.c
index 3ec9fcd036..9315872751 100644
--- a/src/backend/access/hash/hashvalidate.c
+++ b/src/backend/access/hash/hashvalidate.c
@@ -13,9 +13,9 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/hash.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
 #include "catalog/pg_opclass.h"
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index e6d2b5f007..0128bb34ef 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -33,11 +33,11 @@
 #include "postgres.h"
 
 #include "access/bufmask.h"
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/heapam_xlog.h"
 #include "access/heaptoast.h"
 #include "access/hio.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/parallel.h"
 #include "access/relscan.h"
diff --git a/src/backend/access/heap/heapam_handler.c b/src/backend/access/heap/heapam_handler.c
index 72729f744b..92073fec54 100644
--- a/src/backend/access/heap/heapam_handler.c
+++ b/src/backend/access/heap/heapam_handler.c
@@ -19,9 +19,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/heaptoast.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/rewriteheap.h"
 #include "access/tableam.h"
diff --git a/src/backend/access/heap/vacuumlazy.c b/src/backend/access/heap/vacuumlazy.c
index 0cd989d570..597d8b5f92 100644
--- a/src/backend/access/heap/vacuumlazy.c
+++ b/src/backend/access/heap/vacuumlazy.c
@@ -36,10 +36,10 @@
 
 #include <math.h>
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/heapam_xlog.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/transam.h"
 #include "access/visibilitymap.h"
diff --git a/src/backend/access/index/Makefile b/src/backend/access/index/Makefile
index 0d8cbbc88c..6f2e3061a8 100644
--- a/src/backend/access/index/Makefile
+++ b/src/backend/access/index/Makefile
@@ -13,9 +13,9 @@ top_builddir = ../../../..
 include $(top_builddir)/src/Makefile.global
 
 OBJS = \
-	indexam.o \
-	indexamapi.o \
-	indexamvalidate.o \
-	indexgenam.o
+	amapi.o \
+	amvalidate.o \
+	genam.o \
+	indexam.o
 
 include $(top_srcdir)/src/backend/common.mk
diff --git a/src/backend/access/index/indexamapi.c b/src/backend/access/index/amapi.c
index bda667cf93..450a7dce1f 100644
--- a/src/backend/access/index/indexamapi.c
+++ b/src/backend/access/index/amapi.c
@@ -1,20 +1,20 @@
 /*-------------------------------------------------------------------------
  *
- * indexamapi.c
+ * amapi.c
  *	  Support routines for API for Postgres index access methods.
  *
  * Copyright (c) 2015-2019, PostgreSQL Global Development Group
  *
  *
  * IDENTIFICATION
- *	  src/backend/access/index/indexamapi.c
+ *	  src/backend/access/index/amapi.c
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "catalog/pg_am.h"
 #include "catalog/pg_opclass.h"
 #include "utils/builtins.h"
diff --git a/src/backend/access/index/indexamvalidate.c b/src/backend/access/index/amvalidate.c
index 8f00012d20..5a2728502c 100644
--- a/src/backend/access/index/indexamvalidate.c
+++ b/src/backend/access/index/amvalidate.c
@@ -1,20 +1,20 @@
 /*-------------------------------------------------------------------------
  *
- * indexamvalidate.c
+ * amvalidate.c
  *	  Support routines for index access methods' amvalidate functions.
  *
  * Copyright (c) 2016-2019, PostgreSQL Global Development Group
  *
  *
  * IDENTIFICATION
- *	  src/backend/access/index/indexamvalidate.c
+ *	  src/backend/access/index/amvalidate.c
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "catalog/pg_am.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
diff --git a/src/backend/access/index/indexgenam.c b/src/backend/access/index/genam.c
index 6a1ac6cc30..2599b5d342 100644
--- a/src/backend/access/index/indexgenam.c
+++ b/src/backend/access/index/genam.c
@@ -1,6 +1,6 @@
 /*-------------------------------------------------------------------------
  *
- * indexgenam.c
+ * genam.c
  *	  general index access method routines
  *
  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
@@ -8,19 +8,19 @@
  *
  *
  * IDENTIFICATION
- *	  src/backend/access/index/indexgenam.c
+ *	  src/backend/access/index/genam.c
  *
  * NOTES
  *	  many of the old access method routines have been turned into
- *	  macros and moved to indexgenam.h -cim 4/30/91
+ *	  macros and moved to genam.h -cim 4/30/91
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
-#include "access/indexgenam.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
 #include "access/transam.h"
diff --git a/src/backend/access/index/indexam.c b/src/backend/access/index/indexam.c
index d5d6e29e18..4af418287d 100644
--- a/src/backend/access/index/indexam.c
+++ b/src/backend/access/index/indexam.c
@@ -43,8 +43,8 @@
 
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/heapam.h"
-#include "access/indexam.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
 #include "access/transam.h"
diff --git a/src/backend/access/nbtree/nbtvalidate.c b/src/backend/access/nbtree/nbtvalidate.c
index 2b40b0e21c..0148ea7892 100644
--- a/src/backend/access/nbtree/nbtvalidate.c
+++ b/src/backend/access/nbtree/nbtvalidate.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "access/nbtree.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
diff --git a/src/backend/access/spgist/spgdoinsert.c b/src/backend/access/spgist/spgdoinsert.c
index 42a894cc54..c34c44cd8b 100644
--- a/src/backend/access/spgist/spgdoinsert.c
+++ b/src/backend/access/spgist/spgdoinsert.c
@@ -15,7 +15,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/spgist_private.h"
 #include "access/spgxlog.h"
 #include "access/xloginsert.h"
diff --git a/src/backend/access/spgist/spginsert.c b/src/backend/access/spgist/spginsert.c
index 043016fe8d..dd9088741c 100644
--- a/src/backend/access/spgist/spginsert.c
+++ b/src/backend/access/spgist/spginsert.c
@@ -16,7 +16,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/spgist_private.h"
 #include "access/spgxlog.h"
 #include "access/tableam.h"
diff --git a/src/backend/access/spgist/spgscan.c b/src/backend/access/spgist/spgscan.c
index 8e5f012497..6e940fd3de 100644
--- a/src/backend/access/spgist/spgscan.c
+++ b/src/backend/access/spgist/spgscan.c
@@ -15,7 +15,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/relscan.h"
 #include "access/spgist_private.h"
 #include "miscadmin.h"
diff --git a/src/backend/access/spgist/spgutils.c b/src/backend/access/spgist/spgutils.c
index d01ea59e14..e2d391ee75 100644
--- a/src/backend/access/spgist/spgutils.c
+++ b/src/backend/access/spgist/spgutils.c
@@ -15,8 +15,8 @@
 
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "access/reloptions.h"
 #include "access/spgist_private.h"
 #include "access/transam.h"
diff --git a/src/backend/access/spgist/spgvacuum.c b/src/backend/access/spgist/spgvacuum.c
index 1b8cb9760f..478d4c0d61 100644
--- a/src/backend/access/spgist/spgvacuum.c
+++ b/src/backend/access/spgist/spgvacuum.c
@@ -15,7 +15,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/spgist_private.h"
 #include "access/spgxlog.h"
 #include "access/transam.h"
diff --git a/src/backend/access/spgist/spgvalidate.c b/src/backend/access/spgist/spgvalidate.c
index 3a599db86c..4b9fdbd5d7 100644
--- a/src/backend/access/spgist/spgvalidate.c
+++ b/src/backend/access/spgist/spgvalidate.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/amvalidate.h"
 #include "access/htup_details.h"
-#include "access/indexamvalidate.h"
 #include "access/spgist_private.h"
 #include "catalog/pg_amop.h"
 #include "catalog/pg_amproc.h"
diff --git a/src/backend/bootstrap/bootstrap.c b/src/backend/bootstrap/bootstrap.c
index 9dcb7b66d3..8ea033610d 100644
--- a/src/backend/bootstrap/bootstrap.c
+++ b/src/backend/bootstrap/bootstrap.c
@@ -17,9 +17,9 @@
 #include <unistd.h>
 #include <signal.h>
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "access/xact.h"
 #include "access/xlog_internal.h"
diff --git a/src/backend/catalog/aclchk.c b/src/backend/catalog/aclchk.c
index b6dba91b9a..ea5666ebb8 100644
--- a/src/backend/catalog/aclchk.c
+++ b/src/backend/catalog/aclchk.c
@@ -17,9 +17,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/tableam.h"
 #include "access/xact.h"
diff --git a/src/backend/catalog/catalog.c b/src/backend/catalog/catalog.c
index c4c4d9f6c8..6b104695c0 100644
--- a/src/backend/catalog/catalog.c
+++ b/src/backend/catalog/catalog.c
@@ -20,8 +20,8 @@
 #include <fcntl.h>
 #include <unistd.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "access/transam.h"
diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c
index aea8cdde74..d07bb4496e 100644
--- a/src/backend/catalog/dependency.c
+++ b/src/backend/catalog/dependency.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/dependency.h"
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index b71178aa56..8b68fb7b2d 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -29,8 +29,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index 7529bf39b8..787aad636e 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -23,8 +23,8 @@
 
 #include <unistd.h>
 
+#include "access/amapi.h"
 #include "access/heapam.h"
-#include "access/indexam.h"
 #include "access/multixact.h"
 #include "access/relscan.h"
 #include "access/sysattr.h"
diff --git a/src/backend/catalog/indexing.c b/src/backend/catalog/indexing.c
index 8f48e0076c..f237e62bc9 100644
--- a/src/backend/catalog/indexing.c
+++ b/src/backend/catalog/indexing.c
@@ -15,9 +15,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "catalog/index.h"
 #include "catalog/indexing.h"
 #include "executor/executor.h"
diff --git a/src/backend/catalog/objectaddress.c b/src/backend/catalog/objectaddress.c
index 00a21c430c..ae3002bb42 100644
--- a/src/backend/catalog/objectaddress.c
+++ b/src/backend/catalog/objectaddress.c
@@ -15,7 +15,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/htup_details.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c
index 3c2bec25b9..00af844cc1 100644
--- a/src/backend/catalog/partition.c
+++ b/src/backend/catalog/partition.c
@@ -15,8 +15,8 @@
 #include "postgres.h"
 
 #include "access/attmap.h"
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/catalog/pg_collation.c b/src/backend/catalog/pg_collation.c
index ec5cea1bab..dd99d53547 100644
--- a/src/backend/catalog/pg_collation.c
+++ b/src/backend/catalog/pg_collation.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/catalog/pg_constraint.c b/src/backend/catalog/pg_constraint.c
index b12834a2c0..25c52134f0 100644
--- a/src/backend/catalog/pg_constraint.c
+++ b/src/backend/catalog/pg_constraint.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "access/xact.h"
diff --git a/src/backend/catalog/pg_db_role_setting.c b/src/backend/catalog/pg_db_role_setting.c
index 791fca9dee..20acac2eea 100644
--- a/src/backend/catalog/pg_db_role_setting.c
+++ b/src/backend/catalog/pg_db_role_setting.c
@@ -10,9 +10,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "catalog/indexing.h"
 #include "catalog/objectaccess.h"
diff --git a/src/backend/catalog/pg_depend.c b/src/backend/catalog/pg_depend.c
index c9228cc907..a060c25d2e 100644
--- a/src/backend/catalog/pg_depend.c
+++ b/src/backend/catalog/pg_depend.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/catalog/pg_enum.c b/src/backend/catalog/pg_enum.c
index e43b145170..be0f06524d 100644
--- a/src/backend/catalog/pg_enum.c
+++ b/src/backend/catalog/pg_enum.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/binary_upgrade.h"
diff --git a/src/backend/catalog/pg_inherits.c b/src/backend/catalog/pg_inherits.c
index 62622cc6f9..59af16221e 100644
--- a/src/backend/catalog/pg_inherits.c
+++ b/src/backend/catalog/pg_inherits.c
@@ -19,8 +19,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
 #include "catalog/pg_inherits.h"
diff --git a/src/backend/catalog/pg_largeobject.c b/src/backend/catalog/pg_largeobject.c
index 2c3e15e6bc..1a687028fe 100644
--- a/src/backend/catalog/pg_largeobject.c
+++ b/src/backend/catalog/pg_largeobject.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/catalog/pg_publication.c b/src/backend/catalog/pg_publication.c
index 80a6a92a82..f6e9a68bf7 100644
--- a/src/backend/catalog/pg_publication.c
+++ b/src/backend/catalog/pg_publication.c
@@ -14,9 +14,9 @@
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/catalog/pg_range.c b/src/backend/catalog/pg_range.c
index c8808a78b3..e6e138babd 100644
--- a/src/backend/catalog/pg_range.c
+++ b/src/backend/catalog/pg_range.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/dependency.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/catalog/pg_shdepend.c b/src/backend/catalog/pg_shdepend.c
index 89ebb849a2..59f97bf3d0 100644
--- a/src/backend/catalog/pg_shdepend.c
+++ b/src/backend/catalog/pg_shdepend.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/catalog/pg_subscription.c b/src/backend/catalog/pg_subscription.c
index f346ec959f..68d88ff499 100644
--- a/src/backend/catalog/pg_subscription.c
+++ b/src/backend/catalog/pg_subscription.c
@@ -14,9 +14,9 @@
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "access/xact.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
index 70ee89d52f..71372ceb16 100644
--- a/src/backend/commands/analyze.c
+++ b/src/backend/commands/analyze.c
@@ -17,7 +17,7 @@
 #include <math.h>
 
 #include "access/detoast.h"
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/multixact.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c
index cc35811dc8..b8c349f245 100644
--- a/src/backend/commands/cluster.c
+++ b/src/backend/commands/cluster.c
@@ -17,8 +17,8 @@
  */
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/heapam.h"
-#include "access/indexam.h"
 #include "access/multixact.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
diff --git a/src/backend/commands/comment.c b/src/backend/commands/comment.c
index 7823dace9f..1859fb628f 100644
--- a/src/backend/commands/comment.c
+++ b/src/backend/commands/comment.c
@@ -14,8 +14,8 @@
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/commands/constraint.c b/src/backend/commands/constraint.c
index 8a57a0ef99..806962a686 100644
--- a/src/backend/commands/constraint.c
+++ b/src/backend/commands/constraint.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "catalog/index.h"
 #include "commands/trigger.h"
diff --git a/src/backend/commands/dbcommands.c b/src/backend/commands/dbcommands.c
index da0e5d8b94..a70e75a219 100644
--- a/src/backend/commands/dbcommands.c
+++ b/src/backend/commands/dbcommands.c
@@ -23,9 +23,9 @@
 #include <unistd.h>
 #include <sys/stat.h>
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/tableam.h"
 #include "access/xact.h"
diff --git a/src/backend/commands/extension.c b/src/backend/commands/extension.c
index df04a82fe5..6eaa9cc4f3 100644
--- a/src/backend/commands/extension.c
+++ b/src/backend/commands/extension.c
@@ -29,8 +29,8 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/commands/functioncmds.c b/src/backend/commands/functioncmds.c
index 4527aa15f7..94411b5008 100644
--- a/src/backend/commands/functioncmds.c
+++ b/src/backend/commands/functioncmds.c
@@ -32,8 +32,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index d38de78e1d..a143998a7f 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -15,9 +15,9 @@
 
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "access/reloptions.h"
 #include "access/sysattr.h"
 #include "access/tableam.h"
diff --git a/src/backend/commands/matview.c b/src/backend/commands/matview.c
index 907c71dda0..537d0e8cef 100644
--- a/src/backend/commands/matview.c
+++ b/src/backend/commands/matview.c
@@ -14,9 +14,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/tableam.h"
 #include "access/xact.h"
diff --git a/src/backend/commands/opclasscmds.c b/src/backend/commands/opclasscmds.c
index cccd95a97a..cb7a6bd2d1 100644
--- a/src/backend/commands/opclasscmds.c
+++ b/src/backend/commands/opclasscmds.c
@@ -17,9 +17,9 @@
 
 #include <limits.h>
 
+#include "access/genam.h"
 #include "access/hash.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/nbtree.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/commands/policy.c b/src/backend/commands/policy.c
index 72ba997e4c..36093dcd95 100644
--- a/src/backend/commands/policy.c
+++ b/src/backend/commands/policy.c
@@ -12,9 +12,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/commands/proclang.c b/src/backend/commands/proclang.c
index 0182dc7202..b51c373b93 100644
--- a/src/backend/commands/proclang.c
+++ b/src/backend/commands/proclang.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
 #include "catalog/dependency.h"
diff --git a/src/backend/commands/publicationcmds.c b/src/backend/commands/publicationcmds.c
index 4252db4ec0..fbf11c86aa 100644
--- a/src/backend/commands/publicationcmds.c
+++ b/src/backend/commands/publicationcmds.c
@@ -14,8 +14,8 @@
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/commands/seclabel.c b/src/backend/commands/seclabel.c
index 94d28b24fc..63219ad589 100644
--- a/src/backend/commands/seclabel.c
+++ b/src/backend/commands/seclabel.c
@@ -10,8 +10,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index e19772aa90..5b882f80bf 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -15,9 +15,9 @@
 #include "postgres.h"
 
 #include "access/attmap.h"
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/heapam_xlog.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/reloptions.h"
 #include "access/relscan.h"
diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index b9fca3af3c..36093a29a8 100644
--- a/src/backend/commands/trigger.c
+++ b/src/backend/commands/trigger.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/commands/tsearchcmds.c b/src/backend/commands/tsearchcmds.c
index 714dff5304..5d6528f9cf 100644
--- a/src/backend/commands/tsearchcmds.c
+++ b/src/backend/commands/tsearchcmds.c
@@ -17,8 +17,8 @@
 
 #include <ctype.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/commands/typecmds.c b/src/backend/commands/typecmds.c
index d3df657fa0..89887b8fd7 100644
--- a/src/backend/commands/typecmds.c
+++ b/src/backend/commands/typecmds.c
@@ -31,9 +31,9 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/tableam.h"
 #include "access/xact.h"
 #include "catalog/binary_upgrade.h"
diff --git a/src/backend/commands/user.c b/src/backend/commands/user.c
index f3572b1749..aab5aa855d 100644
--- a/src/backend/commands/user.c
+++ b/src/backend/commands/user.c
@@ -12,8 +12,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/binary_upgrade.h"
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 477b271aa3..da1da23400 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -24,9 +24,9 @@
 
 #include "access/clog.h"
 #include "access/commit_ts.h"
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/multixact.h"
 #include "access/tableam.h"
 #include "access/transam.h"
diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c
index c1e2cedc08..779d3dccea 100644
--- a/src/backend/executor/execAmi.c
+++ b/src/backend/executor/execAmi.c
@@ -12,8 +12,8 @@
  */
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "executor/execdebug.h"
 #include "executor/nodeAgg.h"
 #include "executor/nodeAppend.h"
diff --git a/src/backend/executor/execCurrent.c b/src/backend/executor/execCurrent.c
index 3853d154d8..c7f909241b 100644
--- a/src/backend/executor/execCurrent.c
+++ b/src/backend/executor/execCurrent.c
@@ -12,7 +12,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/relscan.h"
 #include "access/sysattr.h"
 #include "catalog/pg_type.h"
diff --git a/src/backend/executor/execIndexing.c b/src/backend/executor/execIndexing.c
index 823b670760..40bd8049f0 100644
--- a/src/backend/executor/execIndexing.c
+++ b/src/backend/executor/execIndexing.c
@@ -106,7 +106,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
 #include "access/xact.h"
diff --git a/src/backend/executor/execReplication.c b/src/backend/executor/execReplication.c
index f311476071..95e027c970 100644
--- a/src/backend/executor/execReplication.c
+++ b/src/backend/executor/execReplication.c
@@ -14,7 +14,7 @@
 
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
 #include "access/transam.h"
diff --git a/src/backend/executor/nodeBitmapIndexscan.c b/src/backend/executor/nodeBitmapIndexscan.c
index fbe434ce2f..604f4f1132 100644
--- a/src/backend/executor/nodeBitmapIndexscan.c
+++ b/src/backend/executor/nodeBitmapIndexscan.c
@@ -21,7 +21,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "executor/execdebug.h"
 #include "executor/nodeBitmapIndexscan.h"
 #include "executor/nodeIndexscan.h"
diff --git a/src/backend/executor/nodeIndexonlyscan.c b/src/backend/executor/nodeIndexonlyscan.c
index a4ea390d2b..784486f0c8 100644
--- a/src/backend/executor/nodeIndexonlyscan.c
+++ b/src/backend/executor/nodeIndexonlyscan.c
@@ -30,7 +30,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/relscan.h"
 #include "access/tableam.h"
 #include "access/tupdesc.h"
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index 2911c7a461..c5f6593485 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -73,8 +73,8 @@
 
 #include <math.h>
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "access/tsmapi.h"
 #include "executor/executor.h"
 #include "executor/nodeHash.h"
@@ -539,7 +539,7 @@ cost_index(IndexPath *path, PlannerInfo *root, double loop_count,
 	 * for scanning the index, as well as the selectivity of the index (ie,
 	 * the fraction of main-table tuples we will have to retrieve) and its
 	 * correlation to the main-table tuple order.  We need a cast here because
-	 * pathnodes.h uses a weak function type to avoid including indexam.h.
+	 * pathnodes.h uses a weak function type to avoid including amapi.h.
 	 */
 	amcostestimate = (amcostestimate_function) index->amcostestimate;
 	amcostestimate(root, path, loop_count,
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index d63ebb7287..cb54b15507 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -18,8 +18,8 @@
 #include <limits.h>
 #include <math.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/parallel.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c
index c15654e660..5e889d1861 100644
--- a/src/backend/optimizer/util/plancat.c
+++ b/src/backend/optimizer/util/plancat.c
@@ -17,8 +17,8 @@
 
 #include <math.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/nbtree.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/parser/parse_utilcmd.c b/src/backend/parser/parse_utilcmd.c
index 3fafa920f3..45bb31ecf8 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -26,8 +26,8 @@
 
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "access/relation.h"
 #include "access/reloptions.h"
 #include "access/table.h"
diff --git a/src/backend/partitioning/partdesc.c b/src/backend/partitioning/partdesc.c
index 694ed923e0..a37cdd5562 100644
--- a/src/backend/partitioning/partdesc.c
+++ b/src/backend/partitioning/partdesc.c
@@ -14,8 +14,8 @@
 
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
 #include "catalog/partition.h"
diff --git a/src/backend/replication/logical/origin.c b/src/backend/replication/logical/origin.c
index f965bdb027..fffc330c94 100644
--- a/src/backend/replication/logical/origin.c
+++ b/src/backend/replication/logical/origin.c
@@ -70,8 +70,8 @@
 #include <unistd.h>
 #include <sys/stat.h>
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/rewrite/rewriteRemove.c b/src/backend/rewrite/rewriteRemove.c
index 6dbe010f6a..bb98b6936a 100644
--- a/src/backend/rewrite/rewriteRemove.c
+++ b/src/backend/rewrite/rewriteRemove.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "catalog/catalog.h"
diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c
index 98b70760ad..9d339433f6 100644
--- a/src/backend/statistics/extended_stats.c
+++ b/src/backend/statistics/extended_stats.c
@@ -17,8 +17,8 @@
 #include "postgres.h"
 
 #include "access/detoast.h"
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
 #include "catalog/pg_collation.h"
diff --git a/src/backend/storage/large_object/inv_api.c b/src/backend/storage/large_object/inv_api.c
index cd82362287..263d5be12e 100644
--- a/src/backend/storage/large_object/inv_api.c
+++ b/src/backend/storage/large_object/inv_api.c
@@ -33,8 +33,8 @@
 #include <limits.h>
 
 #include "access/detoast.h"
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/sysattr.h"
 #include "access/table.h"
 #include "access/xact.h"
diff --git a/src/backend/utils/adt/amutils.c b/src/backend/utils/adt/amutils.c
index 6de33886db..e81d6cc056 100644
--- a/src/backend/utils/adt/amutils.c
+++ b/src/backend/utils/adt/amutils.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "catalog/pg_class.h"
 #include "catalog/pg_index.h"
 #include "utils/builtins.h"
diff --git a/src/backend/utils/adt/enum.c b/src/backend/utils/adt/enum.c
index 000572c5b3..3402ff860d 100644
--- a/src/backend/utils/adt/enum.c
+++ b/src/backend/utils/adt/enum.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
 #include "catalog/pg_enum.h"
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bdf78db8c8..4af1603e7c 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -19,8 +19,8 @@
 #include <unistd.h>
 #include <fcntl.h>
 
+#include "access/amapi.h"
 #include "access/htup_details.h"
-#include "access/indexam.h"
 #include "access/relation.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/utils/cache/catcache.c b/src/backend/utils/cache/catcache.c
index 9ce04af9a9..c3e7d94aa5 100644
--- a/src/backend/utils/cache/catcache.c
+++ b/src/backend/utils/cache/catcache.c
@@ -14,8 +14,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/heaptoast.h"
-#include "access/indexgenam.h"
 #include "access/relscan.h"
 #include "access/sysattr.h"
 #include "access/table.h"
diff --git a/src/backend/utils/cache/evtcache.c b/src/backend/utils/cache/evtcache.c
index 510160c887..1b0f738321 100644
--- a/src/backend/utils/cache/evtcache.c
+++ b/src/backend/utils/cache/evtcache.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/relation.h"
 #include "catalog/indexing.h"
 #include "catalog/pg_event_trigger.h"
diff --git a/src/backend/utils/cache/relfilenodemap.c b/src/backend/utils/cache/relfilenodemap.c
index 693501067a..d244eaf4d8 100644
--- a/src/backend/utils/cache/relfilenodemap.c
+++ b/src/backend/utils/cache/relfilenodemap.c
@@ -13,8 +13,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "catalog/indexing.h"
 #include "catalog/pg_class.h"
diff --git a/src/backend/utils/cache/ts_cache.c b/src/backend/utils/cache/ts_cache.c
index 487d3cadee..68c04d87d5 100644
--- a/src/backend/utils/cache/ts_cache.c
+++ b/src/backend/utils/cache/ts_cache.c
@@ -26,8 +26,8 @@
  */
 #include "postgres.h"
 
+#include "access/genam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/table.h"
 #include "access/xact.h"
 #include "catalog/indexing.h"
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index 5375653a42..cc38669a1e 100644
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -19,9 +19,9 @@
 #include <fcntl.h>
 #include <unistd.h>
 
+#include "access/genam.h"
 #include "access/heapam.h"
 #include "access/htup_details.h"
-#include "access/indexgenam.h"
 #include "access/session.h"
 #include "access/sysattr.h"
 #include "access/tableam.h"
diff --git a/src/include/access/indexam.h b/src/include/access/amapi.h
index 9b2eefb531..6e3db06eed 100644
--- a/src/include/access/indexam.h
+++ b/src/include/access/amapi.h
@@ -1,18 +1,18 @@
 /*-------------------------------------------------------------------------
  *
- * indexam.h
+ * amapi.h
  *	  API for Postgres index access methods.
  *
  * Copyright (c) 2015-2019, PostgreSQL Global Development Group
  *
- * src/include/access/indexam.h
+ * src/include/access/amapi.h
  *
  *-------------------------------------------------------------------------
  */
-#ifndef INDEXAM_H
-#define INDEXAM_H
+#ifndef AMAPI_H
+#define AMAPI_H
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 
 /*
  * We don't wish to include planner header files here, since most of an index
@@ -233,8 +233,8 @@ typedef struct IndexAmRoutine
 } IndexAmRoutine;
 
 
-/* Functions in access/index/indexamapi.c */
+/* Functions in access/index/amapi.c */
 extern IndexAmRoutine *GetIndexAmRoutine(Oid amhandler);
 extern IndexAmRoutine *GetIndexAmRoutineByAmId(Oid amoid, bool noerror);
 
-#endif							/* INDEXAM_H */
+#endif							/* AMAPI_H */
diff --git a/src/include/access/indexamvalidate.h b/src/include/access/amvalidate.h
index 69a0520c0a..317e1e6893 100644
--- a/src/include/access/indexamvalidate.h
+++ b/src/include/access/amvalidate.h
@@ -1,16 +1,16 @@
 /*-------------------------------------------------------------------------
  *
- * indexamvalidate.h
+ * amvalidate.h
  *	  Support routines for index access methods' amvalidate functions.
  *
  * Copyright (c) 2016-2019, PostgreSQL Global Development Group
  *
- * src/include/access/indexamvalidate.h
+ * src/include/access/amvalidate.h
  *
  *-------------------------------------------------------------------------
  */
-#ifndef INDEXAMVALIDATE_H
-#define INDEXAMVALIDATE_H
+#ifndef AMVALIDATE_H
+#define AMVALIDATE_H
 
 #include "utils/catcache.h"
 
@@ -25,7 +25,7 @@ typedef struct OpFamilyOpFuncGroup
 } OpFamilyOpFuncGroup;
 
 
-/* Functions in access/index/indexamvalidate.c */
+/* Functions in access/index/amvalidate.c */
 extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
 extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
 								   int minargs, int maxargs,...);
@@ -33,4 +33,4 @@ extern bool check_amop_signature(Oid opno, Oid restype,
 								 Oid lefttype, Oid righttype);
 extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
 
-#endif							/* INDEXAMVALIDATE_H */
+#endif							/* AMVALIDATE_H */
diff --git a/src/include/access/brin_internal.h b/src/include/access/brin_internal.h
index f78387d891..b1c9199946 100644
--- a/src/include/access/brin_internal.h
+++ b/src/include/access/brin_internal.h
@@ -11,7 +11,7 @@
 #ifndef BRIN_INTERNAL_H
 #define BRIN_INTERNAL_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 #include "storage/bufpage.h"
 #include "utils/typcache.h"
 
diff --git a/src/include/access/indexgenam.h b/src/include/access/genam.h
index a25cf110e7..a813b004be 100644
--- a/src/include/access/indexgenam.h
+++ b/src/include/access/genam.h
@@ -1,18 +1,18 @@
 /*-------------------------------------------------------------------------
  *
- * indexgenam.h
+ * genam.h
  *	  POSTGRES generalized index access method definitions.
  *
  *
  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * src/include/access/indexgenam.h
+ * src/include/access/genam.h
  *
  *-------------------------------------------------------------------------
  */
-#ifndef INDEXGENAM_H
-#define INDEXGENAM_H
+#ifndef GENAM_H
+#define GENAM_H
 
 #include "access/sdir.h"
 #include "access/skey.h"
@@ -190,7 +190,7 @@ extern void index_store_float8_orderby_distances(IndexScanDesc scan,
 												 bool recheckOrderBy);
 
 /*
- * index access method support routines (in indexgenam.c)
+ * index access method support routines (in genam.c)
  */
 extern IndexScanDesc RelationGetIndexScan(Relation indexRelation,
 										  int nkeys, int norderbys);
@@ -204,7 +204,7 @@ extern TransactionId index_compute_xid_horizon_for_tuples(Relation irel,
 														  int nitems);
 
 /*
- * heap-or-index access to system catalogs (in indexgenam.c)
+ * heap-or-index access to system catalogs (in genam.c)
  */
 extern SysScanDesc systable_beginscan(Relation heapRelation,
 									  Oid indexId,
@@ -222,4 +222,4 @@ extern HeapTuple systable_getnext_ordered(SysScanDesc sysscan,
 										  ScanDirection direction);
 extern void systable_endscan_ordered(SysScanDesc sysscan);
 
-#endif							/* INDEXGENAM_H */
+#endif							/* GENAM_H */
diff --git a/src/include/access/gin_private.h b/src/include/access/gin_private.h
index 8a8ab3b94e..b779cc8c7c 100644
--- a/src/include/access/gin_private.h
+++ b/src/include/access/gin_private.h
@@ -10,9 +10,9 @@
 #ifndef GIN_PRIVATE_H
 #define GIN_PRIVATE_H
 
+#include "access/amapi.h"
 #include "access/gin.h"
 #include "access/ginblock.h"
-#include "access/indexam.h"
 #include "access/itup.h"
 #include "catalog/pg_am_d.h"
 #include "fmgr.h"
diff --git a/src/include/access/gist_private.h b/src/include/access/gist_private.h
index b89107d09e..a409975db1 100644
--- a/src/include/access/gist_private.h
+++ b/src/include/access/gist_private.h
@@ -14,14 +14,14 @@
 #ifndef GIST_PRIVATE_H
 #define GIST_PRIVATE_H
 
+#include "access/amapi.h"
 #include "access/gist.h"
-#include "access/indexam.h"
-#include "access/indexgenam.h"
 #include "access/itup.h"
 #include "lib/pairingheap.h"
 #include "storage/bufmgr.h"
 #include "storage/buffile.h"
 #include "utils/hsearch.h"
+#include "access/genam.h"
 
 /*
  * Maximum number of "halves" a page can be split into in one operation.
diff --git a/src/include/access/gistscan.h b/src/include/access/gistscan.h
index bec23b4604..c02445a698 100644
--- a/src/include/access/gistscan.h
+++ b/src/include/access/gistscan.h
@@ -14,7 +14,7 @@
 #ifndef GISTSCAN_H
 #define GISTSCAN_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 
 extern IndexScanDesc gistbeginscan(Relation r, int nkeys, int norderbys);
 extern void gistrescan(IndexScanDesc scan, ScanKey key, int nkeys,
diff --git a/src/include/access/hash.h b/src/include/access/hash.h
index 07db6466ae..ba58cb31bb 100644
--- a/src/include/access/hash.h
+++ b/src/include/access/hash.h
@@ -17,7 +17,7 @@
 #ifndef HASH_H
 #define HASH_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 #include "access/itup.h"
 #include "access/sdir.h"
 #include "catalog/pg_am_d.h"
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h
index 0bcb2ec2cd..5e56aac63f 100644
--- a/src/include/access/nbtree.h
+++ b/src/include/access/nbtree.h
@@ -14,7 +14,7 @@
 #ifndef NBTREE_H
 #define NBTREE_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 #include "access/itup.h"
 #include "access/sdir.h"
 #include "access/xlogreader.h"
diff --git a/src/include/access/reloptions.h b/src/include/access/reloptions.h
index e7abb41193..d21c513be4 100644
--- a/src/include/access/reloptions.h
+++ b/src/include/access/reloptions.h
@@ -19,8 +19,8 @@
 #ifndef RELOPTIONS_H
 #define RELOPTIONS_H
 
+#include "access/amapi.h"
 #include "access/htup.h"
-#include "access/indexam.h"
 #include "access/tupdesc.h"
 #include "nodes/pg_list.h"
 #include "storage/lock.h"
diff --git a/src/include/access/spgist.h b/src/include/access/spgist.h
index 1f9b9eb5e1..d5fd7bcc02 100644
--- a/src/include/access/spgist.h
+++ b/src/include/access/spgist.h
@@ -14,7 +14,7 @@
 #ifndef SPGIST_H
 #define SPGIST_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 #include "access/xlogreader.h"
 #include "lib/stringinfo.h"
 
diff --git a/src/include/executor/nodeIndexscan.h b/src/include/executor/nodeIndexscan.h
index dd3a323891..e895ec5b7b 100644
--- a/src/include/executor/nodeIndexscan.h
+++ b/src/include/executor/nodeIndexscan.h
@@ -14,7 +14,7 @@
 #ifndef NODEINDEXSCAN_H
 #define NODEINDEXSCAN_H
 
-#include "access/indexgenam.h"
+#include "access/genam.h"
 #include "access/parallel.h"
 #include "nodes/execnodes.h"
 
diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h
index 8692a32172..bce2d59b0d 100644
--- a/src/include/nodes/nodes.h
+++ b/src/include/nodes/nodes.h
@@ -504,7 +504,7 @@ typedef enum NodeTag
 	T_TIDBitmap,				/* in nodes/tidbitmap.h */
 	T_InlineCodeBlock,			/* in nodes/parsenodes.h */
 	T_FdwRoutine,				/* in foreign/fdwapi.h */
-	T_IndexAmRoutine,			/* in access/indexam.h */
+	T_IndexAmRoutine,			/* in access/amapi.h */
 	T_TableAmRoutine,			/* in access/tableam.h */
 	T_TsmRoutine,				/* in access/tsmapi.h */
 	T_ForeignKeyCacheInfo,		/* in utils/rel.h */
diff --git a/src/include/nodes/pathnodes.h b/src/include/nodes/pathnodes.h
index 6fe1ba9a96..31b631cfe0 100644
--- a/src/include/nodes/pathnodes.h
+++ b/src/include/nodes/pathnodes.h
@@ -836,7 +836,7 @@ struct IndexOptInfo
 	bool		amhasgettuple;	/* does AM have amgettuple interface? */
 	bool		amhasgetbitmap; /* does AM have amgetbitmap interface? */
 	bool		amcanparallel;	/* does AM support parallel scan? */
-	/* Rather than include indexam.h here, we declare amcostestimate like this */
+	/* Rather than include amapi.h here, we declare amcostestimate like this */
 	void		(*amcostestimate) ();	/* AM's cost estimator */
 };
 
diff --git a/src/include/utils/index_selfuncs.h b/src/include/utils/index_selfuncs.h
index 2a15f5abf6..b81556d7a1 100644
--- a/src/include/utils/index_selfuncs.h
+++ b/src/include/utils/index_selfuncs.h
@@ -6,7 +6,7 @@
  *
  * Note: this is split out of selfuncs.h mainly to avoid importing all of the
  * planner's data structures into the non-planner parts of the index AMs.
- * If you make it depend on anything besides access/indexam.h, that's likely
+ * If you make it depend on anything besides access/amapi.h, that's likely
  * a mistake.
  *
  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
@@ -19,7 +19,7 @@
 #ifndef INDEX_SELFUNCS_H
 #define INDEX_SELFUNCS_H
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 
 /* Functions in selfuncs.c */
 extern void brincostestimate(struct PlannerInfo *root,
diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h
index 5ce9d8a086..75fc4e85f1 100644
--- a/src/include/utils/rel.h
+++ b/src/include/utils/rel.h
@@ -159,7 +159,7 @@ typedef struct RelationData
 	 * identifier given that restriction.
 	 */
 	MemoryContext rd_indexcxt;	/* private memory cxt for this stuff */
-	/* use "struct" here to avoid needing to include indexam.h: */
+	/* use "struct" here to avoid needing to include amapi.h: */
 	struct IndexAmRoutine *rd_indam;	/* index AM's API struct */
 	Oid		   *rd_opfamily;	/* OIDs of op families for each index col */
 	Oid		   *rd_opcintype;	/* OIDs of opclass declared input data types */
diff --git a/src/test/modules/dummy_index_am/dummy_index_am.c b/src/test/modules/dummy_index_am/dummy_index_am.c
index bade886866..053636e4b4 100644
--- a/src/test/modules/dummy_index_am/dummy_index_am.c
+++ b/src/test/modules/dummy_index_am/dummy_index_am.c
@@ -13,7 +13,7 @@
  */
 #include "postgres.h"
 
-#include "access/indexam.h"
+#include "access/amapi.h"
 #include "access/reloptions.h"
 #include "catalog/index.h"
 #include "nodes/pathnodes.h"