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-rw-r--r--contrib/bloom/blcost.c1
-rw-r--r--contrib/file_fdw/file_fdw.c3
-rw-r--r--contrib/postgres_fdw/deparse.c3
-rw-r--r--contrib/postgres_fdw/postgres_fdw.c2
-rw-r--r--contrib/tsm_system_rows/tsm_system_rows.c3
-rw-r--r--contrib/tsm_system_time/tsm_system_time.c3
-rw-r--r--src/backend/access/gist/gistbuild.c2
-rw-r--r--src/backend/access/spgist/spgutils.c4
-rw-r--r--src/backend/access/tablesample/bernoulli.c3
-rw-r--r--src/backend/access/tablesample/system.c3
-rw-r--r--src/backend/access/transam/parallel.c2
-rw-r--r--src/backend/catalog/heap.c4
-rw-r--r--src/backend/catalog/index.c3
-rw-r--r--src/backend/catalog/partition.c4
-rw-r--r--src/backend/commands/cluster.c2
-rw-r--r--src/backend/commands/copy.c4
-rw-r--r--src/backend/commands/explain.c2
-rw-r--r--src/backend/commands/functioncmds.c3
-rw-r--r--src/backend/commands/indexcmds.c4
-rw-r--r--src/backend/commands/tablecmds.c6
-rw-r--r--src/backend/commands/trigger.c3
-rw-r--r--src/backend/commands/typecmds.c2
-rw-r--r--src/backend/executor/execExpr.c3
-rw-r--r--src/backend/executor/execMain.c1
-rw-r--r--src/backend/executor/execParallel.c2
-rw-r--r--src/backend/executor/nodeAgg.c3
-rw-r--r--src/backend/executor/nodeGather.c2
-rw-r--r--src/backend/executor/nodeGatherMerge.c2
-rw-r--r--src/backend/executor/nodeIndexscan.c1
-rw-r--r--src/backend/executor/nodeWindowAgg.c2
-rw-r--r--src/backend/jit/llvm/llvmjit_expr.c1
-rw-r--r--src/backend/optimizer/path/allpaths.c2
-rw-r--r--src/backend/optimizer/path/clausesel.c1
-rw-r--r--src/backend/optimizer/path/costsize.c1
-rw-r--r--src/backend/optimizer/path/equivclass.c2
-rw-r--r--src/backend/optimizer/path/indxpath.c3
-rw-r--r--src/backend/optimizer/path/pathkeys.c3
-rw-r--r--src/backend/optimizer/path/tidpath.c2
-rw-r--r--src/backend/optimizer/plan/analyzejoins.c2
-rw-r--r--src/backend/optimizer/plan/createplan.c3
-rw-r--r--src/backend/optimizer/plan/initsplan.c2
-rw-r--r--src/backend/optimizer/plan/planagg.c1
-rw-r--r--src/backend/optimizer/plan/planmain.c1
-rw-r--r--src/backend/optimizer/plan/planner.c2
-rw-r--r--src/backend/optimizer/plan/setrefs.c1
-rw-r--r--src/backend/optimizer/plan/subselect.c2
-rw-r--r--src/backend/optimizer/prep/prepjointree.c2
-rw-r--r--src/backend/optimizer/prep/prepqual.c2
-rw-r--r--src/backend/optimizer/prep/preptlist.c2
-rw-r--r--src/backend/optimizer/util/clauses.c2
-rw-r--r--src/backend/optimizer/util/orclauses.c1
-rw-r--r--src/backend/optimizer/util/pathnode.c2
-rw-r--r--src/backend/optimizer/util/placeholder.c2
-rw-r--r--src/backend/optimizer/util/plancat.c2
-rw-r--r--src/backend/optimizer/util/predtest.c4
-rw-r--r--src/backend/optimizer/util/restrictinfo.c2
-rw-r--r--src/backend/optimizer/util/tlist.c1
-rw-r--r--src/backend/optimizer/util/var.c2
-rw-r--r--src/backend/parser/analyze.c2
-rw-r--r--src/backend/parser/parse_agg.c3
-rw-r--r--src/backend/parser/parse_clause.c3
-rw-r--r--src/backend/parser/parse_expr.c3
-rw-r--r--src/backend/parser/parse_utilcmd.c4
-rw-r--r--src/backend/partitioning/partbounds.c1
-rw-r--r--src/backend/partitioning/partprune.c6
-rw-r--r--src/backend/replication/logical/worker.c27
-rw-r--r--src/backend/rewrite/rewriteManip.c2
-rw-r--r--src/backend/statistics/dependencies.c3
-rw-r--r--src/backend/tcop/postgres.c2
-rw-r--r--src/backend/utils/adt/array_selfuncs.c1
-rw-r--r--src/backend/utils/adt/orderedsetaggs.c2
-rw-r--r--src/backend/utils/adt/ruleutils.c2
-rw-r--r--src/backend/utils/adt/selfuncs.c3
-rw-r--r--src/backend/utils/cache/partcache.c3
-rw-r--r--src/backend/utils/cache/plancache.c5
-rw-r--r--src/backend/utils/cache/relcache.c4
-rw-r--r--src/backend/utils/cache/spccache.c2
-rw-r--r--src/backend/utils/cache/typcache.c2
-rw-r--r--src/backend/utils/misc/guc.c1
-rw-r--r--src/include/nodes/relation.h22
-rw-r--r--src/include/optimizer/clauses.h13
-rw-r--r--src/include/optimizer/cost.h34
-rw-r--r--src/include/optimizer/optimizer.h175
-rw-r--r--src/include/optimizer/planmain.h14
-rw-r--r--src/include/optimizer/planner.h14
-rw-r--r--src/include/optimizer/predtest.h25
-rw-r--r--src/include/optimizer/prep.h6
-rw-r--r--src/include/optimizer/tlist.h16
-rw-r--r--src/include/optimizer/var.h40
-rw-r--r--src/pl/plpgsql/src/pl_exec.c3
-rw-r--r--src/test/modules/test_predtest/test_predtest.c3
91 files changed, 278 insertions, 303 deletions
diff --git a/contrib/bloom/blcost.c b/contrib/bloom/blcost.c
index 902d23ec4a..2d8a7f1d26 100644
--- a/contrib/bloom/blcost.c
+++ b/contrib/bloom/blcost.c
@@ -13,7 +13,6 @@
#include "postgres.h"
#include "fmgr.h"
-#include "optimizer/cost.h"
#include "utils/selfuncs.h"
#include "bloom.h"
diff --git a/contrib/file_fdw/file_fdw.c b/contrib/file_fdw/file_fdw.c
index e7db83d3fb..be626bef6e 100644
--- a/contrib/file_fdw/file_fdw.c
+++ b/contrib/file_fdw/file_fdw.c
@@ -29,11 +29,10 @@
#include "foreign/foreign.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/planmain.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "utils/memutils.h"
#include "utils/rel.h"
#include "utils/sampling.h"
diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c
index f368d4b31f..b0e44e5562 100644
--- a/contrib/postgres_fdw/deparse.c
+++ b/contrib/postgres_fdw/deparse.c
@@ -48,10 +48,9 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "nodes/plannodes.h"
-#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/prep.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parsetree.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 1a88919cfc..7fcac81e2e 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -28,11 +28,11 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/cost.h"
#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "optimizer/tlist.h"
#include "parser/parsetree.h"
#include "utils/builtins.h"
diff --git a/contrib/tsm_system_rows/tsm_system_rows.c b/contrib/tsm_system_rows/tsm_system_rows.c
index 69944f61c8..c92490f938 100644
--- a/contrib/tsm_system_rows/tsm_system_rows.c
+++ b/contrib/tsm_system_rows/tsm_system_rows.c
@@ -33,8 +33,7 @@
#include "access/tsmapi.h"
#include "catalog/pg_type.h"
#include "miscadmin.h"
-#include "optimizer/clauses.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "utils/sampling.h"
PG_MODULE_MAGIC;
diff --git a/contrib/tsm_system_time/tsm_system_time.c b/contrib/tsm_system_time/tsm_system_time.c
index f516552cc0..edeacf0b53 100644
--- a/contrib/tsm_system_time/tsm_system_time.c
+++ b/contrib/tsm_system_time/tsm_system_time.c
@@ -31,8 +31,7 @@
#include "access/tsmapi.h"
#include "catalog/pg_type.h"
#include "miscadmin.h"
-#include "optimizer/clauses.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "utils/sampling.h"
#include "utils/spccache.h"
diff --git a/src/backend/access/gist/gistbuild.c b/src/backend/access/gist/gistbuild.c
index 94463ffb99..bd142a3560 100644
--- a/src/backend/access/gist/gistbuild.c
+++ b/src/backend/access/gist/gistbuild.c
@@ -22,7 +22,7 @@
#include "access/xloginsert.h"
#include "catalog/index.h"
#include "miscadmin.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "storage/bufmgr.h"
#include "storage/smgr.h"
#include "utils/memutils.h"
diff --git a/src/backend/access/spgist/spgutils.c b/src/backend/access/spgist/spgutils.c
index de147d7b68..8e63c1fad2 100644
--- a/src/backend/access/spgist/spgutils.c
+++ b/src/backend/access/spgist/spgutils.c
@@ -22,7 +22,6 @@
#include "access/transam.h"
#include "access/xact.h"
#include "catalog/pg_amop.h"
-#include "optimizer/paths.h"
#include "storage/bufmgr.h"
#include "storage/indexfsm.h"
#include "storage/lmgr.h"
@@ -32,9 +31,6 @@
#include "utils/lsyscache.h"
#include "utils/syscache.h"
-extern Expr *spgcanorderbyop(IndexOptInfo *index,
- PathKey *pathkey, int pathkeyno,
- Expr *orderby_clause, int *indexcol_p);
/*
* SP-GiST handler function: return IndexAmRoutine with access method parameters
diff --git a/src/backend/access/tablesample/bernoulli.c b/src/backend/access/tablesample/bernoulli.c
index 5e5e32dbae..9360b5bbc9 100644
--- a/src/backend/access/tablesample/bernoulli.c
+++ b/src/backend/access/tablesample/bernoulli.c
@@ -29,8 +29,7 @@
#include "access/hash.h"
#include "access/tsmapi.h"
#include "catalog/pg_type.h"
-#include "optimizer/clauses.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "utils/builtins.h"
diff --git a/src/backend/access/tablesample/system.c b/src/backend/access/tablesample/system.c
index 383387bc69..298e0ab4a0 100644
--- a/src/backend/access/tablesample/system.c
+++ b/src/backend/access/tablesample/system.c
@@ -31,8 +31,7 @@
#include "access/relscan.h"
#include "access/tsmapi.h"
#include "catalog/pg_type.h"
-#include "optimizer/clauses.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "utils/builtins.h"
diff --git a/src/backend/access/transam/parallel.c b/src/backend/access/transam/parallel.c
index 9c55c20d6b..ce2b61631d 100644
--- a/src/backend/access/transam/parallel.c
+++ b/src/backend/access/transam/parallel.c
@@ -28,7 +28,7 @@
#include "libpq/pqformat.h"
#include "libpq/pqmq.h"
#include "miscadmin.h"
-#include "optimizer/planmain.h"
+#include "optimizer/optimizer.h"
#include "pgstat.h"
#include "storage/ipc.h"
#include "storage/sinval.h"
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index cc865de627..910f651522 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -64,9 +64,7 @@
#include "executor/executor.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/var.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_coerce.h"
#include "parser/parse_collate.h"
#include "parser/parse_expr.h"
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index 225c078018..169b2de6cf 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -56,8 +56,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "parser/parser.h"
#include "rewrite/rewriteManip.h"
#include "storage/bufmgr.h"
diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c
index 62d1ec60ba..0d3bc3a2c7 100644
--- a/src/backend/catalog/partition.c
+++ b/src/backend/catalog/partition.c
@@ -24,9 +24,7 @@
#include "catalog/pg_inherits.h"
#include "catalog/pg_partitioned_table.h"
#include "nodes/makefuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/prep.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "partitioning/partbounds.h"
#include "rewrite/rewriteManip.h"
#include "utils/fmgroids.h"
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c
index ec1d6b6f11..a74af4c171 100644
--- a/src/backend/commands/cluster.c
+++ b/src/backend/commands/cluster.c
@@ -38,7 +38,7 @@
#include "commands/tablecmds.h"
#include "commands/vacuum.h"
#include "miscadmin.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "storage/bufmgr.h"
#include "storage/lmgr.h"
#include "storage/predicate.h"
diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index 4411b19e58..dbb06397e6 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -37,9 +37,7 @@
#include "libpq/pqformat.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
-#include "optimizer/prep.h"
+#include "optimizer/optimizer.h"
#include "nodes/makefuncs.h"
#include "parser/parse_coerce.h"
#include "parser/parse_collate.h"
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 5d859b7c99..1831ea81cf 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -24,8 +24,6 @@
#include "nodes/extensible.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planmain.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteHandler.h"
#include "storage/bufmgr.h"
diff --git a/src/backend/commands/functioncmds.c b/src/backend/commands/functioncmds.c
index ac401689c8..9a2f1a85b4 100644
--- a/src/backend/commands/functioncmds.c
+++ b/src/backend/commands/functioncmds.c
@@ -54,8 +54,7 @@
#include "executor/executor.h"
#include "funcapi.h"
#include "miscadmin.h"
-#include "optimizer/clauses.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_coerce.h"
#include "parser/parse_collate.h"
#include "parser/parse_expr.h"
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 5b2b8d2969..bd85099c28 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -42,9 +42,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_coerce.h"
#include "parser/parse_func.h"
#include "parser/parse_oper.h"
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index ff76499137..434be403fe 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -63,11 +63,7 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "nodes/parsenodes.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
-#include "optimizer/predtest.h"
-#include "optimizer/prep.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_clause.h"
#include "parser/parse_coerce.h"
#include "parser/parse_collate.h"
diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index 499030c445..7b5896b98f 100644
--- a/src/backend/commands/trigger.c
+++ b/src/backend/commands/trigger.c
@@ -36,8 +36,7 @@
#include "miscadmin.h"
#include "nodes/bitmapset.h"
#include "nodes/makefuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_clause.h"
#include "parser/parse_collate.h"
#include "parser/parse_func.h"
diff --git a/src/backend/commands/typecmds.c b/src/backend/commands/typecmds.c
index 35a6485118..fa7161ef9d 100644
--- a/src/backend/commands/typecmds.c
+++ b/src/backend/commands/typecmds.c
@@ -56,7 +56,7 @@
#include "executor/executor.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_coerce.h"
#include "parser/parse_collate.h"
#include "parser/parse_expr.h"
diff --git a/src/backend/executor/execExpr.c b/src/backend/executor/execExpr.c
index 2e061a5ee3..e52b806372 100644
--- a/src/backend/executor/execExpr.c
+++ b/src/backend/executor/execExpr.c
@@ -40,8 +40,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "pgstat.h"
#include "utils/builtins.h"
#include "utils/datum.h"
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 5975c5206b..9a20460e76 100644
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -52,7 +52,6 @@
#include "jit/jit.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
-#include "optimizer/clauses.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteManip.h"
#include "storage/bufmgr.h"
diff --git a/src/backend/executor/execParallel.c b/src/backend/executor/execParallel.c
index ceea3d6d72..b79be91655 100644
--- a/src/backend/executor/execParallel.c
+++ b/src/backend/executor/execParallel.c
@@ -39,8 +39,6 @@
#include "executor/tqueue.h"
#include "jit/jit.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/planmain.h"
-#include "optimizer/planner.h"
#include "storage/spin.h"
#include "tcop/tcopprot.h"
#include "utils/datum.h"
diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c
index 2a260a71f2..263a0f8127 100644
--- a/src/backend/executor/nodeAgg.c
+++ b/src/backend/executor/nodeAgg.c
@@ -226,8 +226,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/tlist.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_agg.h"
#include "parser/parse_coerce.h"
#include "utils/acl.h"
diff --git a/src/backend/executor/nodeGather.c b/src/backend/executor/nodeGather.c
index 70a4e90a05..69d5a1f239 100644
--- a/src/backend/executor/nodeGather.c
+++ b/src/backend/executor/nodeGather.c
@@ -38,7 +38,7 @@
#include "executor/nodeSubplan.h"
#include "executor/tqueue.h"
#include "miscadmin.h"
-#include "optimizer/planmain.h"
+#include "optimizer/optimizer.h"
#include "pgstat.h"
#include "utils/memutils.h"
#include "utils/rel.h"
diff --git a/src/backend/executor/nodeGatherMerge.c b/src/backend/executor/nodeGatherMerge.c
index 8635865d1e..4de1d2b484 100644
--- a/src/backend/executor/nodeGatherMerge.c
+++ b/src/backend/executor/nodeGatherMerge.c
@@ -23,7 +23,7 @@
#include "executor/tqueue.h"
#include "lib/binaryheap.h"
#include "miscadmin.h"
-#include "optimizer/planmain.h"
+#include "optimizer/optimizer.h"
#include "utils/memutils.h"
#include "utils/rel.h"
diff --git a/src/backend/executor/nodeIndexscan.c b/src/backend/executor/nodeIndexscan.c
index cdf1ad09de..324356ec75 100644
--- a/src/backend/executor/nodeIndexscan.c
+++ b/src/backend/executor/nodeIndexscan.c
@@ -37,7 +37,6 @@
#include "lib/pairingheap.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
#include "utils/array.h"
#include "utils/datum.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/executor/nodeWindowAgg.c b/src/backend/executor/nodeWindowAgg.c
index 731391f190..157ac042b8 100644
--- a/src/backend/executor/nodeWindowAgg.c
+++ b/src/backend/executor/nodeWindowAgg.c
@@ -41,7 +41,7 @@
#include "executor/nodeWindowAgg.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_agg.h"
#include "parser/parse_coerce.h"
#include "utils/acl.h"
diff --git a/src/backend/jit/llvm/llvmjit_expr.c b/src/backend/jit/llvm/llvmjit_expr.c
index 351f6ec7e1..df7e620da7 100644
--- a/src/backend/jit/llvm/llvmjit_expr.c
+++ b/src/backend/jit/llvm/llvmjit_expr.c
@@ -33,7 +33,6 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/planner.h"
#include "parser/parse_coerce.h"
#include "parser/parsetree.h"
#include "pgstat.h"
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c
index 0d8a3f9592..2144e14ec8 100644
--- a/src/backend/optimizer/path/allpaths.c
+++ b/src/backend/optimizer/path/allpaths.c
@@ -35,13 +35,13 @@
#include "optimizer/cost.h"
#include "optimizer/geqo.h"
#include "optimizer/inherit.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/plancat.h"
#include "optimizer/planner.h"
#include "optimizer/restrictinfo.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parse_clause.h"
#include "parser/parsetree.h"
#include "partitioning/partprune.h"
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c
index 50452706ed..abca03b805 100644
--- a/src/backend/optimizer/path/clausesel.c
+++ b/src/backend/optimizer/path/clausesel.c
@@ -18,6 +18,7 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/plancat.h"
#include "utils/fmgroids.h"
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index 19be1f375c..532de4484f 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -83,6 +83,7 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/placeholder.h"
diff --git a/src/backend/optimizer/path/equivclass.c b/src/backend/optimizer/path/equivclass.c
index 6e134ae1d2..3454f12912 100644
--- a/src/backend/optimizer/path/equivclass.c
+++ b/src/backend/optimizer/path/equivclass.c
@@ -24,11 +24,11 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/appendinfo.h"
#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c
index be50d56b5a..7e1a3908f1 100644
--- a/src/backend/optimizer/path/indxpath.c
+++ b/src/backend/optimizer/path/indxpath.c
@@ -28,12 +28,11 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
-#include "optimizer/predtest.h"
#include "optimizer/prep.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "utils/builtins.h"
#include "utils/bytea.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/path/pathkeys.c b/src/backend/optimizer/path/pathkeys.c
index 9dac50ea39..56d839bb31 100644
--- a/src/backend/optimizer/path/pathkeys.c
+++ b/src/backend/optimizer/path/pathkeys.c
@@ -21,10 +21,9 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "nodes/plannodes.h"
-#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
-#include "optimizer/tlist.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/path/tidpath.c b/src/backend/optimizer/path/tidpath.c
index 94c88bd662..466e996011 100644
--- a/src/backend/optimizer/path/tidpath.c
+++ b/src/backend/optimizer/path/tidpath.c
@@ -40,10 +40,10 @@
#include "catalog/pg_type.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
/*
diff --git a/src/backend/optimizer/plan/analyzejoins.c b/src/backend/optimizer/plan/analyzejoins.c
index 1593dbec21..a4efa693ea 100644
--- a/src/backend/optimizer/plan/analyzejoins.c
+++ b/src/backend/optimizer/plan/analyzejoins.c
@@ -25,11 +25,11 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/joininfo.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "utils/lsyscache.h"
/* local functions */
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c
index c1aa0ba663..1b4f7db649 100644
--- a/src/backend/optimizer/plan/createplan.c
+++ b/src/backend/optimizer/plan/createplan.c
@@ -28,16 +28,15 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/paramassign.h"
#include "optimizer/paths.h"
#include "optimizer/placeholder.h"
#include "optimizer/plancat.h"
#include "optimizer/planmain.h"
-#include "optimizer/predtest.h"
#include "optimizer/restrictinfo.h"
#include "optimizer/subselect.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parse_clause.h"
#include "parser/parsetree.h"
#include "partitioning/partprune.h"
diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c
index a2376d2ed7..d6ffa7869d 100644
--- a/src/backend/optimizer/plan/initsplan.c
+++ b/src/backend/optimizer/plan/initsplan.c
@@ -21,6 +21,7 @@
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
#include "optimizer/joininfo.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/placeholder.h"
@@ -28,7 +29,6 @@
#include "optimizer/planner.h"
#include "optimizer/prep.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "parser/analyze.h"
#include "rewrite/rewriteManip.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/plan/planagg.c b/src/backend/optimizer/plan/planagg.c
index d98cb89984..86617099df 100644
--- a/src/backend/optimizer/plan/planagg.c
+++ b/src/backend/optimizer/plan/planagg.c
@@ -35,6 +35,7 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
diff --git a/src/backend/optimizer/plan/planmain.c b/src/backend/optimizer/plan/planmain.c
index f9f4b12db7..3cedd01c98 100644
--- a/src/backend/optimizer/plan/planmain.c
+++ b/src/backend/optimizer/plan/planmain.c
@@ -23,6 +23,7 @@
#include "optimizer/appendinfo.h"
#include "optimizer/clauses.h"
#include "optimizer/inherit.h"
+#include "optimizer/optimizer.h"
#include "optimizer/orclauses.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index 5db88afd89..b2239728cf 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -43,6 +43,7 @@
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
#include "optimizer/inherit.h"
+#include "optimizer/optimizer.h"
#include "optimizer/paramassign.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
@@ -52,7 +53,6 @@
#include "optimizer/prep.h"
#include "optimizer/subselect.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/analyze.h"
#include "parser/parsetree.h"
#include "parser/parse_agg.h"
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index 6bd3b2d1ac..0213a37670 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -19,6 +19,7 @@
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/planmain.h"
#include "optimizer/planner.h"
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c
index 60403eef91..915c6d0cf6 100644
--- a/src/backend/optimizer/plan/subselect.c
+++ b/src/backend/optimizer/plan/subselect.c
@@ -25,13 +25,13 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/paramassign.h"
#include "optimizer/pathnode.h"
#include "optimizer/planmain.h"
#include "optimizer/planner.h"
#include "optimizer/prep.h"
#include "optimizer/subselect.h"
-#include "optimizer/var.h"
#include "parser/parse_relation.h"
#include "rewrite/rewriteManip.h"
#include "utils/builtins.h"
diff --git a/src/backend/optimizer/prep/prepjointree.c b/src/backend/optimizer/prep/prepjointree.c
index 1f64004cf6..9e001c1bdc 100644
--- a/src/backend/optimizer/prep/prepjointree.c
+++ b/src/backend/optimizer/prep/prepjointree.c
@@ -29,11 +29,11 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/placeholder.h"
#include "optimizer/prep.h"
#include "optimizer/subselect.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parse_relation.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteManip.h"
diff --git a/src/backend/optimizer/prep/prepqual.c b/src/backend/optimizer/prep/prepqual.c
index 2bd6c200cf..e9a94976b7 100644
--- a/src/backend/optimizer/prep/prepqual.c
+++ b/src/backend/optimizer/prep/prepqual.c
@@ -33,7 +33,7 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/prep.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/prep/preptlist.c b/src/backend/optimizer/prep/preptlist.c
index 0e045f171a..5392d1a561 100644
--- a/src/backend/optimizer/prep/preptlist.c
+++ b/src/backend/optimizer/prep/preptlist.c
@@ -44,9 +44,9 @@
#include "access/table.h"
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
+#include "optimizer/optimizer.h"
#include "optimizer/prep.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parsetree.h"
#include "parser/parse_coerce.h"
#include "rewrite/rewriteHandler.h"
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c
index 99616063f4..86c346bc38 100644
--- a/src/backend/optimizer/util/clauses.c
+++ b/src/backend/optimizer/util/clauses.c
@@ -34,9 +34,9 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/planmain.h"
#include "optimizer/prep.h"
-#include "optimizer/var.h"
#include "parser/analyze.h"
#include "parser/parse_agg.h"
#include "parser/parse_coerce.h"
diff --git a/src/backend/optimizer/util/orclauses.c b/src/backend/optimizer/util/orclauses.c
index c62ba88d1b..b67158154e 100644
--- a/src/backend/optimizer/util/orclauses.c
+++ b/src/backend/optimizer/util/orclauses.c
@@ -19,6 +19,7 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/orclauses.h"
#include "optimizer/restrictinfo.h"
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c
index 0402ffe9a7..b57de6b4c6 100644
--- a/src/backend/optimizer/util/pathnode.c
+++ b/src/backend/optimizer/util/pathnode.c
@@ -23,13 +23,13 @@
#include "optimizer/appendinfo.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "optimizer/prep.h"
#include "optimizer/restrictinfo.h"
#include "optimizer/tlist.h"
-#include "optimizer/var.h"
#include "parser/parsetree.h"
#include "utils/lsyscache.h"
#include "utils/memutils.h"
diff --git a/src/backend/optimizer/util/placeholder.c b/src/backend/optimizer/util/placeholder.c
index b24478ec6f..798aa8c597 100644
--- a/src/backend/optimizer/util/placeholder.c
+++ b/src/backend/optimizer/util/placeholder.c
@@ -17,10 +17,10 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/placeholder.h"
#include "optimizer/planmain.h"
-#include "optimizer/var.h"
#include "utils/lsyscache.h"
/* Local functions */
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c
index 243344a011..3efa1bdc1a 100644
--- a/src/backend/optimizer/util/plancat.c
+++ b/src/backend/optimizer/util/plancat.c
@@ -35,8 +35,8 @@
#include "nodes/makefuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/plancat.h"
-#include "optimizer/predtest.h"
#include "optimizer/prep.h"
#include "partitioning/partbounds.h"
#include "parser/parse_relation.h"
diff --git a/src/backend/optimizer/util/predtest.c b/src/backend/optimizer/util/predtest.c
index ecbb0db18c..3b260b1e3c 100644
--- a/src/backend/optimizer/util/predtest.c
+++ b/src/backend/optimizer/util/predtest.c
@@ -21,8 +21,8 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/predtest.h"
+#include "nodes/relation.h"
+#include "optimizer/optimizer.h"
#include "utils/array.h"
#include "utils/inval.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/optimizer/util/restrictinfo.c b/src/backend/optimizer/util/restrictinfo.c
index c1bda812c7..1c47c70802 100644
--- a/src/backend/optimizer/util/restrictinfo.c
+++ b/src/backend/optimizer/util/restrictinfo.c
@@ -17,8 +17,8 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
static RestrictInfo *make_restrictinfo_internal(Expr *clause,
diff --git a/src/backend/optimizer/util/tlist.c b/src/backend/optimizer/util/tlist.c
index d0cc14f11d..14d1c67a94 100644
--- a/src/backend/optimizer/util/tlist.c
+++ b/src/backend/optimizer/util/tlist.c
@@ -17,6 +17,7 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/tlist.h"
diff --git a/src/backend/optimizer/util/var.c b/src/backend/optimizer/util/var.c
index 5116d7f349..315c81eb8e 100644
--- a/src/backend/optimizer/util/var.c
+++ b/src/backend/optimizer/util/var.c
@@ -22,8 +22,8 @@
#include "access/sysattr.h"
#include "nodes/nodeFuncs.h"
+#include "optimizer/optimizer.h"
#include "optimizer/prep.h"
-#include "optimizer/var.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteManip.h"
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c
index 1ef7c8608a..125ee5d84b 100644
--- a/src/backend/parser/analyze.c
+++ b/src/backend/parser/analyze.c
@@ -29,7 +29,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/analyze.h"
#include "parser/parse_agg.h"
#include "parser/parse_clause.h"
diff --git a/src/backend/parser/parse_agg.c b/src/backend/parser/parse_agg.c
index 5b73378a19..183ea0f2c4 100644
--- a/src/backend/parser/parse_agg.c
+++ b/src/backend/parser/parse_agg.c
@@ -19,8 +19,7 @@
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/tlist.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_agg.h"
#include "parser/parse_clause.h"
#include "parser/parse_coerce.h"
diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c
index 8805543da7..c6ce1011e2 100644
--- a/src/backend/parser/parse_clause.c
+++ b/src/backend/parser/parse_clause.c
@@ -31,8 +31,7 @@
#include "commands/defrem.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/tlist.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/analyze.h"
#include "parser/parsetree.h"
#include "parser/parser.h"
diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c
index 3e0a762c41..7fc8d63ff0 100644
--- a/src/backend/parser/parse_expr.c
+++ b/src/backend/parser/parse_expr.c
@@ -20,8 +20,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/tlist.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/analyze.h"
#include "parser/parse_clause.h"
#include "parser/parse_coerce.h"
diff --git a/src/backend/parser/parse_utilcmd.c b/src/backend/parser/parse_utilcmd.c
index 445e81a1af..a37d1f18be 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -50,9 +50,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "parser/analyze.h"
#include "parser/parse_clause.h"
#include "parser/parse_coerce.h"
diff --git a/src/backend/partitioning/partbounds.c b/src/backend/partitioning/partbounds.c
index f21c9b32a6..d478ae7e19 100644
--- a/src/backend/partitioning/partbounds.c
+++ b/src/backend/partitioning/partbounds.c
@@ -22,7 +22,6 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
#include "parser/parse_coerce.h"
#include "partitioning/partprune.h"
#include "partitioning/partbounds.h"
diff --git a/src/backend/partitioning/partprune.c b/src/backend/partitioning/partprune.c
index f5155fe062..8c9721935d 100644
--- a/src/backend/partitioning/partprune.c
+++ b/src/backend/partitioning/partprune.c
@@ -45,12 +45,8 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/appendinfo.h"
-#include "optimizer/clauses.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
-#include "optimizer/planner.h"
-#include "optimizer/predtest.h"
-#include "optimizer/prep.h"
-#include "optimizer/var.h"
#include "partitioning/partprune.h"
#include "partitioning/partbounds.h"
#include "rewrite/rewriteManip.h"
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c
index 2c49c711e3..f9516515bc 100644
--- a/src/backend/replication/logical/worker.c
+++ b/src/backend/replication/logical/worker.c
@@ -23,61 +23,46 @@
#include "postgres.h"
-#include "miscadmin.h"
-#include "pgstat.h"
-#include "funcapi.h"
-
#include "access/table.h"
#include "access/xact.h"
#include "access/xlog_internal.h"
-
#include "catalog/catalog.h"
#include "catalog/namespace.h"
#include "catalog/pg_subscription.h"
#include "catalog/pg_subscription_rel.h"
-
#include "commands/tablecmds.h"
#include "commands/trigger.h"
-
#include "executor/executor.h"
#include "executor/nodeModifyTable.h"
-
+#include "funcapi.h"
#include "libpq/pqformat.h"
#include "libpq/pqsignal.h"
-
#include "mb/pg_wchar.h"
-
+#include "miscadmin.h"
#include "nodes/makefuncs.h"
-
-#include "optimizer/planner.h"
-
+#include "optimizer/optimizer.h"
#include "parser/parse_relation.h"
-
+#include "pgstat.h"
#include "postmaster/bgworker.h"
#include "postmaster/postmaster.h"
#include "postmaster/walwriter.h"
-
#include "replication/decode.h"
#include "replication/logical.h"
#include "replication/logicalproto.h"
#include "replication/logicalrelation.h"
#include "replication/logicalworker.h"
-#include "replication/reorderbuffer.h"
#include "replication/origin.h"
+#include "replication/reorderbuffer.h"
#include "replication/snapbuild.h"
#include "replication/walreceiver.h"
#include "replication/worker_internal.h"
-
#include "rewrite/rewriteHandler.h"
-
#include "storage/bufmgr.h"
#include "storage/ipc.h"
#include "storage/lmgr.h"
#include "storage/proc.h"
#include "storage/procarray.h"
-
#include "tcop/tcopprot.h"
-
#include "utils/builtins.h"
#include "utils/catcache.h"
#include "utils/datum.h"
@@ -87,8 +72,8 @@
#include "utils/lsyscache.h"
#include "utils/memutils.h"
#include "utils/rel.h"
-#include "utils/timeout.h"
#include "utils/syscache.h"
+#include "utils/timeout.h"
#define NAPTIME_PER_CYCLE 1000 /* max sleep time between cycles (1s) */
diff --git a/src/backend/rewrite/rewriteManip.c b/src/backend/rewrite/rewriteManip.c
index fd7a751c9a..57aee3d760 100644
--- a/src/backend/rewrite/rewriteManip.c
+++ b/src/backend/rewrite/rewriteManip.c
@@ -17,7 +17,7 @@
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "nodes/plannodes.h"
-#include "optimizer/clauses.h"
+#include "nodes/relation.h"
#include "parser/parse_coerce.h"
#include "parser/parse_relation.h"
#include "parser/parsetree.h"
diff --git a/src/backend/statistics/dependencies.c b/src/backend/statistics/dependencies.c
index a8e9f72214..13492ceb9c 100644
--- a/src/backend/statistics/dependencies.c
+++ b/src/backend/statistics/dependencies.c
@@ -20,8 +20,7 @@
#include "lib/stringinfo.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
-#include "optimizer/cost.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "nodes/nodes.h"
#include "nodes/relation.h"
#include "statistics/extended_stats_internal.h"
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index e773f20d9f..36cfd507b2 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -49,7 +49,7 @@
#include "libpq/pqsignal.h"
#include "miscadmin.h"
#include "nodes/print.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "pgstat.h"
#include "pg_trace.h"
#include "parser/analyze.h"
diff --git a/src/backend/utils/adt/array_selfuncs.c b/src/backend/utils/adt/array_selfuncs.c
index ad1201a8d2..870131b073 100644
--- a/src/backend/utils/adt/array_selfuncs.c
+++ b/src/backend/utils/adt/array_selfuncs.c
@@ -20,7 +20,6 @@
#include "catalog/pg_collation.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_statistic.h"
-#include "optimizer/clauses.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/utils/adt/orderedsetaggs.c b/src/backend/utils/adt/orderedsetaggs.c
index 6075bc3db7..2d384a9944 100644
--- a/src/backend/utils/adt/orderedsetaggs.c
+++ b/src/backend/utils/adt/orderedsetaggs.c
@@ -22,7 +22,7 @@
#include "executor/executor.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/tlist.h"
+#include "optimizer/optimizer.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 0631567739..51e4c275ab 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -49,7 +49,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/tlist.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_node.h"
#include "parser/parse_agg.h"
#include "parser/parse_func.h"
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 4af8c80848..fb00504676 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -121,12 +121,11 @@
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/plancat.h"
-#include "optimizer/predtest.h"
#include "optimizer/restrictinfo.h"
-#include "optimizer/var.h"
#include "parser/parse_clause.h"
#include "parser/parse_coerce.h"
#include "parser/parsetree.h"
diff --git a/src/backend/utils/cache/partcache.c b/src/backend/utils/cache/partcache.c
index 2404073bc8..1b50f283c5 100644
--- a/src/backend/utils/cache/partcache.c
+++ b/src/backend/utils/cache/partcache.c
@@ -25,8 +25,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "partitioning/partbounds.h"
#include "utils/builtins.h"
#include "utils/datum.h"
diff --git a/src/backend/utils/cache/plancache.c b/src/backend/utils/cache/plancache.c
index 3f46b5dfb2..9851bd43d5 100644
--- a/src/backend/utils/cache/plancache.c
+++ b/src/backend/utils/cache/plancache.c
@@ -61,10 +61,7 @@
#include "executor/executor.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/cost.h"
-#include "optimizer/planmain.h"
-#include "optimizer/planner.h"
-#include "optimizer/prep.h"
+#include "optimizer/optimizer.h"
#include "parser/analyze.h"
#include "parser/parsetree.h"
#include "storage/lmgr.h"
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 12bba1b63a..af96a03338 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -71,9 +71,7 @@
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/prep.h"
-#include "optimizer/var.h"
+#include "optimizer/optimizer.h"
#include "partitioning/partbounds.h"
#include "rewrite/rewriteDefine.h"
#include "rewrite/rowsecurity.h"
diff --git a/src/backend/utils/cache/spccache.c b/src/backend/utils/cache/spccache.c
index 1d0c16bf48..6309a017c1 100644
--- a/src/backend/utils/cache/spccache.c
+++ b/src/backend/utils/cache/spccache.c
@@ -22,7 +22,7 @@
#include "catalog/pg_tablespace.h"
#include "commands/tablespace.h"
#include "miscadmin.h"
-#include "optimizer/cost.h"
+#include "optimizer/optimizer.h"
#include "storage/bufmgr.h"
#include "utils/catcache.h"
#include "utils/hsearch.h"
diff --git a/src/backend/utils/cache/typcache.c b/src/backend/utils/cache/typcache.c
index 2fb7dd3b8e..7857424c2c 100644
--- a/src/backend/utils/cache/typcache.c
+++ b/src/backend/utils/cache/typcache.c
@@ -59,7 +59,7 @@
#include "commands/defrem.h"
#include "executor/executor.h"
#include "lib/dshash.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "storage/lwlock.h"
#include "utils/builtins.h"
#include "utils/catcache.h"
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index c216ed0922..98d75be292 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -50,6 +50,7 @@
#include "miscadmin.h"
#include "optimizer/cost.h"
#include "optimizer/geqo.h"
+#include "optimizer/optimizer.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "parser/parse_expr.h"
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h
index 420ca05c30..7917b889ae 100644
--- a/src/include/nodes/relation.h
+++ b/src/include/nodes/relation.h
@@ -159,11 +159,17 @@ typedef struct PlannerGlobal
* It holds links to all of the planner's working state, in addition to the
* original Query. Note that at present the planner extensively modifies
* the passed-in Query data structure; someday that should stop.
+ *
+ * For reasons explained in optimizer/optimizer.h, we define the typedef
+ * either here or in that header, whichever is read first.
*----------
*/
-struct AppendRelInfo;
+#ifndef HAVE_PLANNERINFO_TYPEDEF
+typedef struct PlannerInfo PlannerInfo;
+#define HAVE_PLANNERINFO_TYPEDEF 1
+#endif
-typedef struct PlannerInfo
+struct PlannerInfo
{
NodeTag type;
@@ -173,7 +179,7 @@ typedef struct PlannerInfo
Index query_level; /* 1 at the outermost Query */
- struct PlannerInfo *parent_root; /* NULL at outermost Query */
+ PlannerInfo *parent_root; /* NULL at outermost Query */
/*
* plan_params contains the expressions that this query level needs to
@@ -342,7 +348,7 @@ typedef struct PlannerInfo
/* Does this query modify any partition key columns? */
bool partColsUpdated;
-} PlannerInfo;
+};
/*
@@ -2065,8 +2071,12 @@ typedef struct PlaceHolderVar
* plain innerjoin semantics. Note that lhs_strict, delay_upper_joins, and
* of course the semi_xxx fields are not set meaningfully within such structs.
*/
+#ifndef HAVE_SPECIALJOININFO_TYPEDEF
+typedef struct SpecialJoinInfo SpecialJoinInfo;
+#define HAVE_SPECIALJOININFO_TYPEDEF 1
+#endif
-typedef struct SpecialJoinInfo
+struct SpecialJoinInfo
{
NodeTag type;
Relids min_lefthand; /* base relids in minimum LHS for join */
@@ -2081,7 +2091,7 @@ typedef struct SpecialJoinInfo
bool semi_can_hash; /* true if semi_operators are all hash */
List *semi_operators; /* OIDs of equality join operators */
List *semi_rhs_exprs; /* righthand-side expressions of these ops */
-} SpecialJoinInfo;
+};
/*
* Append-relation info.
diff --git a/src/include/optimizer/clauses.h b/src/include/optimizer/clauses.h
index 3f5342886d..cfedd424ce 100644
--- a/src/include/optimizer/clauses.h
+++ b/src/include/optimizer/clauses.h
@@ -35,9 +35,6 @@ extern double expression_returns_set_rows(Node *clause);
extern bool contain_subplans(Node *clause);
-extern bool contain_mutable_functions(Node *clause);
-extern bool contain_volatile_functions(Node *clause);
-extern bool contain_volatile_functions_not_nextval(Node *clause);
extern char max_parallel_hazard(Query *parse);
extern bool is_parallel_safe(PlannerInfo *root, Node *node);
extern bool contain_nonstrict_functions(Node *clause);
@@ -56,17 +53,7 @@ extern int NumRelids(Node *clause);
extern void CommuteOpExpr(OpExpr *clause);
extern void CommuteRowCompareExpr(RowCompareExpr *clause);
-extern Node *eval_const_expressions(PlannerInfo *root, Node *node);
-
-extern Node *estimate_expression_value(PlannerInfo *root, Node *node);
-
-extern Expr *evaluate_expr(Expr *expr, Oid result_type, int32 result_typmod,
- Oid result_collation);
-
extern Query *inline_set_returning_function(PlannerInfo *root,
RangeTblEntry *rte);
-extern List *expand_function_arguments(List *args, Oid result_type,
- HeapTuple func_tuple);
-
#endif /* CLAUSES_H */
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h
index 623f733d7d..48efbe58f7 100644
--- a/src/include/optimizer/cost.h
+++ b/src/include/optimizer/cost.h
@@ -44,15 +44,7 @@ typedef enum
* routines to compute costs and sizes
*/
-/* parameter variables and flags */
-extern PGDLLIMPORT double seq_page_cost;
-extern PGDLLIMPORT double random_page_cost;
-extern PGDLLIMPORT double cpu_tuple_cost;
-extern PGDLLIMPORT double cpu_index_tuple_cost;
-extern PGDLLIMPORT double cpu_operator_cost;
-extern PGDLLIMPORT double parallel_tuple_cost;
-extern PGDLLIMPORT double parallel_setup_cost;
-extern PGDLLIMPORT int effective_cache_size;
+/* parameter variables and flags (see also optimizer.h) */
extern PGDLLIMPORT Cost disable_cost;
extern PGDLLIMPORT int max_parallel_workers_per_gather;
extern PGDLLIMPORT bool enable_seqscan;
@@ -74,7 +66,6 @@ extern PGDLLIMPORT bool enable_parallel_hash;
extern PGDLLIMPORT bool enable_partition_pruning;
extern PGDLLIMPORT int constraint_exclusion;
-extern double clamp_row_est(double nrows);
extern double index_pages_fetched(double tuples_fetched, BlockNumber pages,
double index_pages, PlannerInfo *root);
extern void cost_seqscan(Path *path, PlannerInfo *root, RelOptInfo *baserel,
@@ -165,6 +156,10 @@ extern void final_cost_hashjoin(PlannerInfo *root, HashPath *path,
JoinPathExtraData *extra);
extern void cost_gather(GatherPath *path, PlannerInfo *root,
RelOptInfo *baserel, ParamPathInfo *param_info, double *rows);
+extern void cost_gather_merge(GatherMergePath *path, PlannerInfo *root,
+ RelOptInfo *rel, ParamPathInfo *param_info,
+ Cost input_startup_cost, Cost input_total_cost,
+ double *rows);
extern void cost_subplan(PlannerInfo *root, SubPlan *subplan, Plan *plan);
extern void cost_qual_eval(QualCost *cost, List *quals, PlannerInfo *root);
extern void cost_qual_eval_node(QualCost *cost, Node *qual, PlannerInfo *root);
@@ -204,23 +199,4 @@ extern PathTarget *set_pathtarget_cost_width(PlannerInfo *root, PathTarget *targ
extern double compute_bitmap_pages(PlannerInfo *root, RelOptInfo *baserel,
Path *bitmapqual, int loop_count, Cost *cost, double *tuple);
-/*
- * prototypes for clausesel.c
- * routines to compute clause selectivities
- */
-extern Selectivity clauselist_selectivity(PlannerInfo *root,
- List *clauses,
- int varRelid,
- JoinType jointype,
- SpecialJoinInfo *sjinfo);
-extern Selectivity clause_selectivity(PlannerInfo *root,
- Node *clause,
- int varRelid,
- JoinType jointype,
- SpecialJoinInfo *sjinfo);
-extern void cost_gather_merge(GatherMergePath *path, PlannerInfo *root,
- RelOptInfo *rel, ParamPathInfo *param_info,
- Cost input_startup_cost, Cost input_total_cost,
- double *rows);
-
#endif /* COST_H */
diff --git a/src/include/optimizer/optimizer.h b/src/include/optimizer/optimizer.h
new file mode 100644
index 0000000000..1cd5c80e76
--- /dev/null
+++ b/src/include/optimizer/optimizer.h
@@ -0,0 +1,175 @@
+/*-------------------------------------------------------------------------
+ *
+ * optimizer.h
+ * External API for the Postgres planner.
+ *
+ * This header is meant to define everything that the core planner
+ * exposes for use by non-planner modules.
+ *
+ * Note that there are files outside src/backend/optimizer/ that are
+ * considered planner modules, because they're too much in bed with
+ * planner operations to be treated otherwise. FDW planning code is an
+ * example. For the most part, however, code outside the core planner
+ * should not need to include any optimizer/ header except this one.
+ *
+ * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/optimizer.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef OPTIMIZER_H
+#define OPTIMIZER_H
+
+#include "nodes/parsenodes.h"
+
+/*
+ * We don't want to include nodes/relation.h here, because non-planner
+ * code should generally treat PlannerInfo as an opaque typedef.
+ * But we'd like such code to use that typedef name, so define the
+ * typedef either here or in relation.h, whichever is read first.
+ */
+#ifndef HAVE_PLANNERINFO_TYPEDEF
+typedef struct PlannerInfo PlannerInfo;
+#define HAVE_PLANNERINFO_TYPEDEF 1
+#endif
+
+/* Likewise for SpecialJoinInfo. */
+#ifndef HAVE_SPECIALJOININFO_TYPEDEF
+typedef struct SpecialJoinInfo SpecialJoinInfo;
+#define HAVE_SPECIALJOININFO_TYPEDEF 1
+#endif
+
+/* It also seems best not to include plannodes.h, params.h, or htup.h here */
+struct PlannedStmt;
+struct ParamListInfoData;
+struct HeapTupleData;
+
+
+/* in path/clausesel.c: */
+
+extern Selectivity clause_selectivity(PlannerInfo *root,
+ Node *clause,
+ int varRelid,
+ JoinType jointype,
+ SpecialJoinInfo *sjinfo);
+extern Selectivity clauselist_selectivity(PlannerInfo *root,
+ List *clauses,
+ int varRelid,
+ JoinType jointype,
+ SpecialJoinInfo *sjinfo);
+
+/* in path/costsize.c: */
+
+/* widely used cost parameters */
+extern PGDLLIMPORT double seq_page_cost;
+extern PGDLLIMPORT double random_page_cost;
+extern PGDLLIMPORT double cpu_tuple_cost;
+extern PGDLLIMPORT double cpu_index_tuple_cost;
+extern PGDLLIMPORT double cpu_operator_cost;
+extern PGDLLIMPORT double parallel_tuple_cost;
+extern PGDLLIMPORT double parallel_setup_cost;
+extern PGDLLIMPORT int effective_cache_size;
+
+extern double clamp_row_est(double nrows);
+
+/* in plan/planner.c: */
+
+/* possible values for force_parallel_mode */
+typedef enum
+{
+ FORCE_PARALLEL_OFF,
+ FORCE_PARALLEL_ON,
+ FORCE_PARALLEL_REGRESS
+} ForceParallelMode;
+
+/* GUC parameters */
+extern int force_parallel_mode;
+extern bool parallel_leader_participation;
+
+extern struct PlannedStmt *planner(Query *parse, int cursorOptions,
+ struct ParamListInfoData *boundParams);
+
+extern Expr *expression_planner(Expr *expr);
+extern Expr *expression_planner_with_deps(Expr *expr,
+ List **relationOids,
+ List **invalItems);
+
+extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid);
+extern int plan_create_index_workers(Oid tableOid, Oid indexOid);
+
+/* in plan/setrefs.c: */
+
+extern void extract_query_dependencies(Node *query,
+ List **relationOids,
+ List **invalItems,
+ bool *hasRowSecurity);
+
+/* in prep/prepqual.c: */
+
+extern Node *negate_clause(Node *node);
+extern Expr *canonicalize_qual(Expr *qual, bool is_check);
+
+/* in util/clauses.c: */
+
+extern bool contain_mutable_functions(Node *clause);
+extern bool contain_volatile_functions(Node *clause);
+extern bool contain_volatile_functions_not_nextval(Node *clause);
+
+extern Node *eval_const_expressions(PlannerInfo *root, Node *node);
+
+extern Node *estimate_expression_value(PlannerInfo *root, Node *node);
+
+extern Expr *evaluate_expr(Expr *expr, Oid result_type, int32 result_typmod,
+ Oid result_collation);
+
+extern List *expand_function_arguments(List *args, Oid result_type,
+ struct HeapTupleData *func_tuple);
+
+/* in util/predtest.c: */
+
+extern bool predicate_implied_by(List *predicate_list, List *clause_list,
+ bool weak);
+extern bool predicate_refuted_by(List *predicate_list, List *clause_list,
+ bool weak);
+
+/* in util/tlist.c: */
+
+extern int count_nonjunk_tlist_entries(List *tlist);
+extern TargetEntry *get_sortgroupref_tle(Index sortref,
+ List *targetList);
+extern TargetEntry *get_sortgroupclause_tle(SortGroupClause *sgClause,
+ List *targetList);
+extern Node *get_sortgroupclause_expr(SortGroupClause *sgClause,
+ List *targetList);
+extern List *get_sortgrouplist_exprs(List *sgClauses,
+ List *targetList);
+extern SortGroupClause *get_sortgroupref_clause(Index sortref,
+ List *clauses);
+extern SortGroupClause *get_sortgroupref_clause_noerr(Index sortref,
+ List *clauses);
+
+/* in util/var.c: */
+
+/* Bits that can be OR'd into the flags argument of pull_var_clause() */
+#define PVC_INCLUDE_AGGREGATES 0x0001 /* include Aggrefs in output list */
+#define PVC_RECURSE_AGGREGATES 0x0002 /* recurse into Aggref arguments */
+#define PVC_INCLUDE_WINDOWFUNCS 0x0004 /* include WindowFuncs in output list */
+#define PVC_RECURSE_WINDOWFUNCS 0x0008 /* recurse into WindowFunc arguments */
+#define PVC_INCLUDE_PLACEHOLDERS 0x0010 /* include PlaceHolderVars in
+ * output list */
+#define PVC_RECURSE_PLACEHOLDERS 0x0020 /* recurse into PlaceHolderVar
+ * arguments */
+
+extern Bitmapset *pull_varnos(Node *node);
+extern Bitmapset *pull_varnos_of_level(Node *node, int levelsup);
+extern void pull_varattnos(Node *node, Index varno, Bitmapset **varattnos);
+extern List *pull_vars_of_level(Node *node, int levelsup);
+extern bool contain_var_clause(Node *node);
+extern bool contain_vars_of_level(Node *node, int levelsup);
+extern int locate_var_of_level(Node *node, int levelsup);
+extern List *pull_var_clause(Node *node, int flags);
+extern Node *flatten_join_alias_vars(Query *query, Node *node);
+
+#endif /* OPTIMIZER_H */
diff --git a/src/include/optimizer/planmain.h b/src/include/optimizer/planmain.h
index bec0c38617..b2e1c07732 100644
--- a/src/include/optimizer/planmain.h
+++ b/src/include/optimizer/planmain.h
@@ -17,19 +17,9 @@
#include "nodes/plannodes.h"
#include "nodes/relation.h"
-/* possible values for force_parallel_mode */
-typedef enum
-{
- FORCE_PARALLEL_OFF,
- FORCE_PARALLEL_ON,
- FORCE_PARALLEL_REGRESS
-} ForceParallelMode;
-
/* GUC parameters */
#define DEFAULT_CURSOR_TUPLE_FRACTION 0.1
extern double cursor_tuple_fraction;
-extern int force_parallel_mode;
-extern bool parallel_leader_participation;
/* query_planner callback to compute query_pathkeys */
typedef void (*query_pathkeys_callback) (PlannerInfo *root, void *extra);
@@ -119,10 +109,6 @@ extern bool innerrel_is_unique(PlannerInfo *root,
extern Plan *set_plan_references(PlannerInfo *root, Plan *plan);
extern void record_plan_function_dependency(PlannerInfo *root, Oid funcid);
extern void record_plan_type_dependency(PlannerInfo *root, Oid typid);
-extern void extract_query_dependencies(Node *query,
- List **relationOids,
- List **invalItems,
- bool *hasRowSecurity);
extern bool extract_query_dependencies_walker(Node *node, PlannerInfo *root);
#endif /* PLANMAIN_H */
diff --git a/src/include/optimizer/planner.h b/src/include/optimizer/planner.h
index 8616681e0a..769a2f8e01 100644
--- a/src/include/optimizer/planner.h
+++ b/src/include/optimizer/planner.h
@@ -3,6 +3,10 @@
* planner.h
* prototypes for planner.c.
*
+ * Note that the primary entry points for planner.c are declared in
+ * optimizer/optimizer.h, because they're intended to be called from
+ * non-planner code. Declarations here are meant for use by other
+ * planner modules.
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
@@ -33,8 +37,6 @@ typedef void (*create_upper_paths_hook_type) (PlannerInfo *root,
extern PGDLLIMPORT create_upper_paths_hook_type create_upper_paths_hook;
-extern PlannedStmt *planner(Query *parse, int cursorOptions,
- ParamListInfo boundParams);
extern PlannedStmt *standard_planner(Query *parse, int cursorOptions,
ParamListInfo boundParams);
@@ -54,14 +56,6 @@ extern void mark_partial_aggref(Aggref *agg, AggSplit aggsplit);
extern Path *get_cheapest_fractional_path(RelOptInfo *rel,
double tuple_fraction);
-extern Expr *expression_planner(Expr *expr);
-extern Expr *expression_planner_with_deps(Expr *expr,
- List **relationOids,
- List **invalItems);
-
extern Expr *preprocess_phv_expression(PlannerInfo *root, Expr *expr);
-extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid);
-extern int plan_create_index_workers(Oid tableOid, Oid indexOid);
-
#endif /* PLANNER_H */
diff --git a/src/include/optimizer/predtest.h b/src/include/optimizer/predtest.h
deleted file mode 100644
index d5abe79276..0000000000
--- a/src/include/optimizer/predtest.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * predtest.h
- * prototypes for predtest.c
- *
- *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/optimizer/predtest.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef PREDTEST_H
-#define PREDTEST_H
-
-#include "nodes/primnodes.h"
-
-
-extern bool predicate_implied_by(List *predicate_list, List *clause_list,
- bool weak);
-extern bool predicate_refuted_by(List *predicate_list, List *clause_list,
- bool weak);
-
-#endif /* PREDTEST_H */
diff --git a/src/include/optimizer/prep.h b/src/include/optimizer/prep.h
index 17c44c46b9..5277e990ed 100644
--- a/src/include/optimizer/prep.h
+++ b/src/include/optimizer/prep.h
@@ -32,12 +32,6 @@ extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
extern Relids get_relids_for_join(Query *query, int joinrelid);
/*
- * prototypes for prepqual.c
- */
-extern Node *negate_clause(Node *node);
-extern Expr *canonicalize_qual(Expr *qual, bool is_check);
-
-/*
* prototypes for preptlist.c
*/
extern List *preprocess_targetlist(PlannerInfo *root);
diff --git a/src/include/optimizer/tlist.h b/src/include/optimizer/tlist.h
index 8b967f9583..13ac7b88b4 100644
--- a/src/include/optimizer/tlist.h
+++ b/src/include/optimizer/tlist.h
@@ -24,8 +24,6 @@ extern List *add_to_flat_tlist(List *tlist, List *exprs);
extern List *get_tlist_exprs(List *tlist, bool includeJunk);
-extern int count_nonjunk_tlist_entries(List *tlist);
-
extern bool tlist_same_exprs(List *tlist1, List *tlist2);
extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK);
@@ -33,20 +31,6 @@ extern bool tlist_same_collations(List *tlist, List *colCollations, bool junkOK)
extern void apply_tlist_labeling(List *dest_tlist, List *src_tlist);
-extern TargetEntry *get_sortgroupref_tle(Index sortref,
- List *targetList);
-extern TargetEntry *get_sortgroupclause_tle(SortGroupClause *sgClause,
- List *targetList);
-extern Node *get_sortgroupclause_expr(SortGroupClause *sgClause,
- List *targetList);
-extern List *get_sortgrouplist_exprs(List *sgClauses,
- List *targetList);
-
-extern SortGroupClause *get_sortgroupref_clause(Index sortref,
- List *clauses);
-extern SortGroupClause *get_sortgroupref_clause_noerr(Index sortref,
- List *clauses);
-
extern Oid *extract_grouping_ops(List *groupClause);
extern AttrNumber *extract_grouping_cols(List *groupClause, List *tlist);
extern bool grouping_is_sortable(List *groupClause);
diff --git a/src/include/optimizer/var.h b/src/include/optimizer/var.h
deleted file mode 100644
index f975074bf0..0000000000
--- a/src/include/optimizer/var.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * var.h
- * prototypes for optimizer/util/var.c.
- *
- *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/optimizer/var.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef VAR_H
-#define VAR_H
-
-#include "nodes/relation.h"
-
-/* Bits that can be OR'd into the flags argument of pull_var_clause() */
-#define PVC_INCLUDE_AGGREGATES 0x0001 /* include Aggrefs in output list */
-#define PVC_RECURSE_AGGREGATES 0x0002 /* recurse into Aggref arguments */
-#define PVC_INCLUDE_WINDOWFUNCS 0x0004 /* include WindowFuncs in output list */
-#define PVC_RECURSE_WINDOWFUNCS 0x0008 /* recurse into WindowFunc arguments */
-#define PVC_INCLUDE_PLACEHOLDERS 0x0010 /* include PlaceHolderVars in
- * output list */
-#define PVC_RECURSE_PLACEHOLDERS 0x0020 /* recurse into PlaceHolderVar
- * arguments */
-
-
-extern Relids pull_varnos(Node *node);
-extern Relids pull_varnos_of_level(Node *node, int levelsup);
-extern void pull_varattnos(Node *node, Index varno, Bitmapset **varattnos);
-extern List *pull_vars_of_level(Node *node, int levelsup);
-extern bool contain_var_clause(Node *node);
-extern bool contain_vars_of_level(Node *node, int levelsup);
-extern int locate_var_of_level(Node *node, int levelsup);
-extern List *pull_var_clause(Node *node, int flags);
-extern Node *flatten_join_alias_vars(Query *query, Node *node);
-
-#endif /* VAR_H */
diff --git a/src/pl/plpgsql/src/pl_exec.c b/src/pl/plpgsql/src/pl_exec.c
index 45f10f901b..85aa61371d 100644
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -30,8 +30,7 @@
#include "funcapi.h"
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/planner.h"
+#include "optimizer/optimizer.h"
#include "parser/parse_coerce.h"
#include "parser/scansup.h"
#include "storage/proc.h"
diff --git a/src/test/modules/test_predtest/test_predtest.c b/src/test/modules/test_predtest/test_predtest.c
index c03748cb3c..10cd4f9ae5 100644
--- a/src/test/modules/test_predtest/test_predtest.c
+++ b/src/test/modules/test_predtest/test_predtest.c
@@ -18,8 +18,7 @@
#include "executor/spi.h"
#include "funcapi.h"
#include "nodes/makefuncs.h"
-#include "optimizer/clauses.h"
-#include "optimizer/predtest.h"
+#include "optimizer/optimizer.h"
#include "utils/builtins.h"
PG_MODULE_MAGIC;