New header varatt.h split off from postgres.h

This new header contains all the variable-length data types support
(TOAST support) from postgres.h, which isn't needed by large parts of
the backend code.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/ddcce239-0f29-6e62-4b47-1f8ca742addf%40enterprisedb.com

Author: petere

contrib/citext/citext.c

@@ -8,6 +8,7 @@
 #include "utils/builtins.h"
 #include "utils/formatting.h"
 #include "utils/varlena.h"
+#include "varatt.h"
 
 PG_MODULE_MAGIC;
 

contrib/cube/cubeparse.y

@@ -9,6 +9,7 @@
 #include "cubedata.h"
 #include "nodes/miscnodes.h"
 #include "utils/float.h"
+#include "varatt.h"
 
 /* All grammar constructs return strings */
 #define YYSTYPE char *

contrib/fuzzystrmatch/fuzzystrmatch.c

@@ -43,6 +43,7 @@
 #include "mb/pg_wchar.h"
 #include "utils/builtins.h"
 #include "utils/varlena.h"
+#include "varatt.h"
 
 PG_MODULE_MAGIC;
 

contrib/ltree/ltree_io.c

@@ -11,6 +11,7 @@
 #include "libpq/pqformat.h"
 #include "ltree.h"
 #include "utils/memutils.h"
+#include "varatt.h"
 
 
 typedef struct

contrib/ltree/ltxtquery_io.c

@@ -12,6 +12,7 @@
 #include "ltree.h"
 #include "miscadmin.h"
 #include "nodes/miscnodes.h"
+#include "varatt.h"
 
 
 /* parser's states */

contrib/pg_trgm/trgm_gin.c

@@ -7,6 +7,7 @@
 #include "access/stratnum.h"
 #include "fmgr.h"
 #include "trgm.h"
+#include "varatt.h"
 
 PG_FUNCTION_INFO_V1(gin_extract_trgm);
 PG_FUNCTION_INFO_V1(gin_extract_value_trgm);

contrib/pg_trgm/trgm_gist.c

@@ -8,6 +8,7 @@
 #include "fmgr.h"
 #include "port/pg_bitutils.h"
 #include "trgm.h"
+#include "varatt.h"
 
 /* gist_trgm_ops opclass options */
 typedef struct

contrib/pg_trgm/trgm_regexp.c

@@ -196,6 +196,7 @@
 #include "tsearch/ts_locale.h"
 #include "utils/hsearch.h"
 #include "utils/memutils.h"
+#include "varatt.h"
 
 /*
  * Uncomment (or use -DTRGM_REGEXP_DEBUG) to print debug info,

contrib/pgcrypto/pgcrypto.c

@@ -39,6 +39,7 @@
 #include "px.h"
 #include "utils/builtins.h"
 #include "utils/uuid.h"
+#include "varatt.h"
 
 PG_MODULE_MAGIC;
 

contrib/uuid-ossp/uuid-ossp.c

@@ -19,6 +19,7 @@
 #include "port/pg_bswap.h"
 #include "utils/builtins.h"
 #include "utils/uuid.h"
+#include "varatt.h"
 
 /*
  * It's possible that there's more than one uuid.h header file present.

doc/src/sgml/xfunc.sgml

@@ -2390,6 +2390,7 @@ PG_FUNCTION_INFO_V1(funcname);
 #include <string.h>
 #include "fmgr.h"
 #include "utils/geo_decls.h"
+#include "varatt.h"
 
 PG_MODULE_MAGIC;
 

src/backend/access/common/toast_compression.c

@@ -22,6 +22,7 @@
 #include "common/pg_lzcompress.h"
 #include "fmgr.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 /* GUC */
 int			default_toast_compression = TOAST_PGLZ_COMPRESSION;

src/backend/access/hash/hashfunc.c

@@ -32,6 +32,7 @@
 #include "utils/builtins.h"
 #include "utils/float.h"
 #include "utils/pg_locale.h"
+#include "varatt.h"
 
 /*
  * Datatype-specific hash functions.

src/backend/access/spgist/spgtextproc.c

@@ -46,6 +46,7 @@
 #include "utils/datum.h"
 #include "utils/pg_locale.h"
 #include "utils/varlena.h"
+#include "varatt.h"
 
 
 /*

src/backend/access/table/toast_helper.c

@@ -19,6 +19,7 @@
 #include "access/toast_helper.h"
 #include "access/toast_internals.h"
 #include "catalog/pg_type_d.h"
+#include "varatt.h"
 
 
 /*

src/backend/libpq/be-fsstubs.c

@@ -53,6 +53,7 @@
 #include "utils/builtins.h"
 #include "utils/memutils.h"
 #include "utils/snapmgr.h"
+#include "varatt.h"
 
 /* define this to enable debug logging */
 /* #define FSDB 1 */

src/backend/libpq/pqformat.c

@@ -77,6 +77,7 @@
 #include "libpq/pqformat.h"
 #include "mb/pg_wchar.h"
 #include "port/pg_bswap.h"
+#include "varatt.h"
 
 
 /* --------------------------------

src/backend/tsearch/ts_parse.c

@@ -16,6 +16,7 @@
 
 #include "tsearch/ts_cache.h"
 #include "tsearch/ts_utils.h"
+#include "varatt.h"
 
 #define IGNORE_LONGLEXEME	1
 

src/backend/tsearch/ts_typanalyze.c

@@ -19,6 +19,7 @@
 #include "common/hashfn.h"
 #include "tsearch/ts_type.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 
 /* A hash key for lexemes */

src/backend/utils/adt/ascii.c

@@ -14,6 +14,7 @@
 #include "mb/pg_wchar.h"
 #include "utils/ascii.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 static void pg_to_ascii(unsigned char *src, unsigned char *src_end,
 						unsigned char *dest, int enc);

src/backend/utils/adt/char.c

@@ -19,6 +19,7 @@
 
 #include "libpq/pqformat.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 #define ISOCTAL(c)   (((c) >= '0') && ((c) <= '7'))
 #define TOOCTAL(c)   ((c) + '0')

src/backend/utils/adt/cryptohashfuncs.c

@@ -17,6 +17,7 @@
 #include "common/md5.h"
 #include "common/sha2.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 
 /*

src/backend/utils/adt/encode.c

@@ -18,6 +18,7 @@
 #include "mb/pg_wchar.h"
 #include "utils/builtins.h"
 #include "utils/memutils.h"
+#include "varatt.h"
 
 
 /*

src/backend/utils/adt/formatting.c

@@ -88,6 +88,7 @@
 #include "utils/memutils.h"
 #include "utils/numeric.h"
 #include "utils/pg_locale.h"
+#include "varatt.h"
 
 
 /* ----------

src/backend/utils/adt/geo_ops.c

@@ -35,6 +35,7 @@
 #include "utils/float.h"
 #include "utils/fmgrprotos.h"
 #include "utils/geo_decls.h"
+#include "varatt.h"
 
 /*
  * * Type constructors have this form:

src/backend/utils/adt/like.c

@@ -24,6 +24,7 @@
 #include "miscadmin.h"
 #include "utils/builtins.h"
 #include "utils/pg_locale.h"
+#include "varatt.h"
 
 
 #define LIKE_TRUE						1

src/backend/utils/adt/network_gist.c

@@ -51,6 +51,7 @@
 #include "access/stratnum.h"
 #include "utils/builtins.h"
 #include "utils/inet.h"
+#include "varatt.h"
 
 /*
  * Operator strategy numbers used in the GiST inet_ops opclass

src/backend/utils/adt/network_spgist.c

@@ -37,6 +37,7 @@
 #include "catalog/pg_type.h"
 #include "utils/builtins.h"
 #include "utils/inet.h"
+#include "varatt.h"
 
 
 static int	inet_spg_node_number(const inet *val, int commonbits);

src/backend/utils/adt/oracle_compat.c

@@ -21,6 +21,7 @@
 #include "utils/builtins.h"
 #include "utils/formatting.h"
 #include "utils/memutils.h"
+#include "varatt.h"
 
 
 static text *dotrim(const char *string, int stringlen,

src/backend/utils/adt/quote.c

@@ -14,6 +14,7 @@
 #include "postgres.h"
 
 #include "utils/builtins.h"
+#include "varatt.h"
 
 
 /*

src/backend/utils/adt/rangetypes.c

@@ -42,6 +42,7 @@
 #include "utils/lsyscache.h"
 #include "utils/rangetypes.h"
 #include "utils/timestamp.h"
+#include "varatt.h"
 
 
 /* fn_extra cache entry for one of the range I/O functions */

src/backend/utils/adt/rangetypes_typanalyze.c

@@ -31,6 +31,7 @@
 #include "utils/lsyscache.h"
 #include "utils/rangetypes.h"
 #include "utils/multirangetypes.h"
+#include "varatt.h"
 
 static int	float8_qsort_cmp(const void *a1, const void *a2, void *arg);
 static int	range_bound_qsort_cmp(const void *a1, const void *a2, void *arg);

src/backend/utils/adt/tsginidx.c

@@ -19,6 +19,7 @@
 #include "tsearch/ts_type.h"
 #include "tsearch/ts_utils.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 
 Datum

src/backend/utils/adt/tsquery.c

@@ -23,6 +23,7 @@
 #include "utils/builtins.h"
 #include "utils/memutils.h"
 #include "utils/pg_crc.h"
+#include "varatt.h"
 
 /* FTS operator priorities, see ts_type.h */
 const int	tsearch_op_priority[OP_COUNT] =

src/backend/utils/adt/tsquery_cleanup.c

@@ -17,6 +17,7 @@
 
 #include "miscadmin.h"
 #include "tsearch/ts_utils.h"
+#include "varatt.h"
 
 typedef struct NODE
 {

src/backend/utils/adt/tsquery_op.c

@@ -17,6 +17,7 @@
 #include "lib/qunique.h"
 #include "tsearch/ts_utils.h"
 #include "utils/builtins.h"
+#include "varatt.h"
 
 Datum
 tsquery_numnode(PG_FUNCTION_ARGS)

src/backend/utils/adt/tsquery_util.c

@@ -16,6 +16,7 @@
 
 #include "miscadmin.h"
 #include "tsearch/ts_utils.h"
+#include "varatt.h"
 
 /*
  * Build QTNode tree for a tsquery given in QueryItem array format.

src/backend/utils/adt/tsvector.c

@@ -20,6 +20,7 @@
 #include "tsearch/ts_utils.h"
 #include "utils/builtins.h"
 #include "utils/memutils.h"
+#include "varatt.h"
 
 typedef struct
 {

src/backend/utils/cache/attoptcache.c

@@ -22,6 +22,7 @@
 #include "utils/hsearch.h"
 #include "utils/inval.h"
 #include "utils/syscache.h"
+#include "varatt.h"
 
 
 /* Hash table for information about each attribute's options */

src/backend/utils/cache/spccache.c

@@ -29,6 +29,7 @@
 #include "utils/inval.h"
 #include "utils/spccache.h"
 #include "utils/syscache.h"
+#include "varatt.h"
 
 
 /* Hash table for information about each tablespace */

src/backend/utils/mb/mbutils.c

@@ -40,6 +40,7 @@
 #include "utils/builtins.h"
 #include "utils/memutils.h"
 #include "utils/syscache.h"
+#include "varatt.h"
 
 /*
  * We maintain a simple linked list caching the fmgr lookup info for the

src/include/access/htup_details.h

@@ -19,6 +19,7 @@
 #include "access/tupdesc.h"
 #include "access/tupmacs.h"
 #include "storage/bufpage.h"
+#include "varatt.h"
 
 /*
  * MaxTupleAttributeNumber limits the number of (user) columns in a tuple.

src/include/meson.build

@@ -113,6 +113,7 @@ install_headers(
   'postgres.h',
   'postgres_ext.h',
   'postgres_fe.h',
+  'varatt.h',
   'windowapi.h',
   pg_config_ext,
   pg_config_os,