pgsql: Revert "Modified files for MERGE"

Revert "Modified files for MERGE"

This reverts commit 354f13855e6381d288dfaa52bcd4f2cb0fd4a5eb.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/7cf8a5c302735d193dcf901b87e03e324903c632

Modified Files
--------------
contrib/test_decoding/expected/ddl.out | 46 ----
contrib/test_decoding/sql/ddl.sql | 16 --
doc/src/sgml/libpq.sgml | 8 +-
doc/src/sgml/mvcc.sgml | 28 +--
doc/src/sgml/plpgsql.sgml | 3 +-
doc/src/sgml/ref/allfiles.sgml | 1 -
doc/src/sgml/ref/create_policy.sgml | 7 -
doc/src/sgml/ref/insert.sgml | 11 +-
doc/src/sgml/reference.sgml | 1 -
doc/src/sgml/trigger.sgml | 20 --
src/backend/access/heap/heapam.c | 28 +--
src/backend/catalog/sql_features.txt | 6 +-
src/backend/commands/explain.c | 33 ---
src/backend/commands/prepare.c | 1 -
src/backend/commands/trigger.c | 156 +++---------
src/backend/executor/Makefile | 2 +-
src/backend/executor/README | 10 -
src/backend/executor/execMain.c | 17 --
src/backend/executor/execPartition.c | 116 ---------
src/backend/executor/execReplication.c | 4 +-
src/backend/executor/nodeModifyTable.c | 384 ++++--------------------------
src/backend/executor/spi.c | 3 -
src/backend/nodes/copyfuncs.c | 40 ----
src/backend/nodes/equalfuncs.c | 32 ---
src/backend/nodes/nodeFuncs.c | 48 +---
src/backend/nodes/outfuncs.c | 25 --
src/backend/nodes/readfuncs.c | 6 -
src/backend/optimizer/plan/createplan.c | 22 +-
src/backend/optimizer/plan/planner.c | 29 +--
src/backend/optimizer/plan/setrefs.c | 54 -----
src/backend/optimizer/prep/preptlist.c | 41 ----
src/backend/optimizer/util/pathnode.c | 11 +-
src/backend/optimizer/util/plancat.c | 4 -
src/backend/parser/Makefile | 2 +-
src/backend/parser/analyze.c | 18 +-
src/backend/parser/gram.y | 158 +-----------
src/backend/parser/parse_agg.c | 10 -
src/backend/parser/parse_clause.c | 45 +---
src/backend/parser/parse_collate.c | 1 -
src/backend/parser/parse_expr.c | 3 -
src/backend/parser/parse_func.c | 3 -
src/backend/parser/parse_relation.c | 10 -
src/backend/rewrite/rewriteHandler.c | 117 +--------
src/backend/rewrite/rowsecurity.c | 97 --------
src/backend/tcop/pquery.c | 5 -
src/backend/tcop/utility.c | 16 --
src/include/access/heapam.h | 13 +-
src/include/commands/trigger.h | 6 +-
src/include/executor/execPartition.h | 1 -
src/include/executor/instrument.h | 7 +-
src/include/executor/nodeModifyTable.h | 21 --
src/include/executor/spi.h | 1 -
src/include/nodes/execnodes.h | 65 +----
src/include/nodes/nodes.h | 6 +-
src/include/nodes/parsenodes.h | 37 +--
src/include/nodes/plannodes.h | 8 +-
src/include/nodes/relation.h | 7 +-
src/include/optimizer/pathnode.h | 7 +-
src/include/parser/analyze.h | 5 -
src/include/parser/kwlist.h | 2 -
src/include/parser/parse_clause.h | 5 +-
src/include/parser/parse_node.h | 5 +-
src/include/rewrite/rewriteHandler.h | 1 -
src/interfaces/libpq/fe-exec.c | 9 +-
src/pl/plpgsql/src/pl_exec.c | 5 +-
src/pl/plpgsql/src/pl_gram.y | 8 -
src/pl/plpgsql/src/pl_scanner.c | 1 -
src/pl/plpgsql/src/plpgsql.h | 4 +-
src/test/isolation/isolation_schedule | 4 -
src/test/regress/expected/identity.out | 55 -----
src/test/regress/expected/privileges.out | 98 --------
src/test/regress/expected/rowsecurity.out | 182 --------------
src/test/regress/expected/rules.out | 31 ---
src/test/regress/expected/triggers.out | 48 ----
src/test/regress/parallel_schedule | 2 +-
src/test/regress/serial_schedule | 1 -
src/test/regress/sql/identity.sql | 45 ----
src/test/regress/sql/privileges.sql | 108 ---------
src/test/regress/sql/rowsecurity.sql | 156 ------------
src/test/regress/sql/rules.sql | 33 ---
src/test/regress/sql/triggers.sql | 47 ----
src/tools/pgindent/typedefs.list | 3 -
82 files changed, 165 insertions(+), 2570 deletions(-)