Change most instances of PGDLLIMPORT hooks to PGDLLEXPORT hooks so th…

…at they can be consumed by the Babelfish extension

Task: BABEL-4592

Signed-off-by: Jason Teng <[email protected]>

src/include/access/attmap.h

@@ -49,6 +49,6 @@ extern AttrMap *build_attrmap_by_position(TupleDesc indesc,
 										  TupleDesc outdesc,
 										  const char *msg);
 typedef bool (*called_from_tsql_insert_exec_hook_type)();
-extern PGDLLIMPORT called_from_tsql_insert_exec_hook_type called_from_tsql_insert_exec_hook;
+extern PGDLLEXPORT called_from_tsql_insert_exec_hook_type called_from_tsql_insert_exec_hook;
 
 #endif							/* ATTMAP_H */

src/include/access/heapam.h

@@ -110,19 +110,19 @@ typedef enum
 /* Hook for plugins to get control with visibility without providing a separate AM */
 typedef bool (*table_variable_satisfies_visibility_hook_type) (
 	HeapTuple stup, Snapshot snapshot, Buffer buffer);
-extern PGDLLIMPORT table_variable_satisfies_visibility_hook_type table_variable_satisfies_visibility_hook;
+extern PGDLLEXPORT table_variable_satisfies_visibility_hook_type table_variable_satisfies_visibility_hook;
 
 typedef TM_Result (*table_variable_satisfies_update_hook_type) (
 	HeapTuple stup, CommandId curcid, Buffer buffer);
-extern PGDLLIMPORT table_variable_satisfies_update_hook_type table_variable_satisfies_update_hook;
+extern PGDLLEXPORT table_variable_satisfies_update_hook_type table_variable_satisfies_update_hook;
 
 typedef HTSV_Result (*table_variable_satisfies_vacuum_hook_type) (
 	HeapTuple stup, TransactionId OldestXmin, Buffer buffer);
-extern PGDLLIMPORT table_variable_satisfies_vacuum_hook_type table_variable_satisfies_vacuum_hook;
+extern PGDLLEXPORT table_variable_satisfies_vacuum_hook_type table_variable_satisfies_vacuum_hook;
 
 typedef HTSV_Result (*table_variable_satisfies_vacuum_horizon_hook_type) (
 	HeapTuple htup, Buffer buffer, TransactionId *dead_after);
-extern PGDLLIMPORT table_variable_satisfies_vacuum_horizon_hook_type table_variable_satisfies_vacuum_horizon_hook;
+extern PGDLLEXPORT table_variable_satisfies_vacuum_horizon_hook_type table_variable_satisfies_vacuum_horizon_hook;
 
 /*
  * HeapScanIsValid

src/include/access/transam.h

@@ -296,7 +296,7 @@ extern Oid	GetNewObjectId(void);
 extern void StopGeneratingPinnedObjectIds(void);
 
 typedef void (*GetNewObjectId_hook_type) (VariableCache variableCache);
-extern PGDLLIMPORT GetNewObjectId_hook_type GetNewObjectId_hook;
+extern PGDLLEXPORT GetNewObjectId_hook_type GetNewObjectId_hook;
 
 #ifdef USE_ASSERT_CHECKING
 extern void AssertTransactionIdInAllowableRange(TransactionId xid);

src/include/access/tupconvert.h

@@ -51,7 +51,7 @@ extern void free_conversion_map(TupleConversionMap *map);
 typedef Datum (*exec_tsql_cast_value_hook_type)(Datum value, bool *isnull,
 							 Oid valtype, int32 valtypmod,
 							 Oid reqtype, int32 reqtypmod);
-extern PGDLLIMPORT exec_tsql_cast_value_hook_type exec_tsql_cast_value_hook;
+extern PGDLLEXPORT exec_tsql_cast_value_hook_type exec_tsql_cast_value_hook;
 
 
 #endif							/* TUPCONVERT_H */

src/include/access/xact.h

@@ -514,13 +514,13 @@ extern void EnterParallelMode(void);
 extern void ExitParallelMode(void);
 extern bool IsInParallelMode(void);
 
-extern bool IsTopTransactionName(const char *name);
-extern void SetTopTransactionName(const char *name);
-extern bool IsTransactionBlockActive(void);
-extern void RollbackAndReleaseSavepoint(const char *name);
+extern PGDLLEXPORT bool IsTopTransactionName(const char *name);
+extern PGDLLEXPORT void SetTopTransactionName(const char *name);
+extern PGDLLEXPORT bool IsTransactionBlockActive(void);
+extern PGDLLEXPORT void RollbackAndReleaseSavepoint(const char *name);
 
 /* Nested transaction count */
-extern uint32 NestedTranCount;
-extern bool AbortCurTransaction;
+extern PGDLLEXPORT uint32 NestedTranCount;
+extern PGDLLEXPORT bool AbortCurTransaction;
 
 #endif							/* XACT_H */

src/include/catalog/catalog.h

@@ -43,12 +43,12 @@ extern RelFileNumber GetNewRelFileNumber(Oid reltablespace,
 										 char relpersistence);
 
 typedef bool (*IsExtendedCatalogHookType) (Oid relationId);
-extern IsExtendedCatalogHookType IsExtendedCatalogHook;
+extern PGDLLEXPORT IsExtendedCatalogHookType IsExtendedCatalogHook;
 
 typedef bool (*IsToastRelationHookType) (Relation relation);
-extern IsToastRelationHookType IsToastRelationHook;
+extern PGDLLEXPORT IsToastRelationHookType IsToastRelationHook;
 
 typedef bool (*IsToastClassHookType) (Form_pg_class pg_class_tup);
-extern IsToastClassHookType IsToastClassHook;
+extern PGDLLEXPORT IsToastClassHookType IsToastClassHook;
 
 #endif							/* CATALOG_H */

src/include/catalog/heap.h

@@ -161,9 +161,9 @@ extern void StorePartitionBound(Relation rel, Relation parent,
 
 /* Hook for plugins to transform executable expressions in check constraint clause */
 typedef Node* (*transform_check_constraint_expr_hook_type) (Node *node);
-extern PGDLLIMPORT transform_check_constraint_expr_hook_type transform_check_constraint_expr_hook;
+extern PGDLLEXPORT transform_check_constraint_expr_hook_type transform_check_constraint_expr_hook;
 
 typedef void (*drop_relation_refcnt_hook_type) (Relation rel);
-extern PGDLLIMPORT drop_relation_refcnt_hook_type drop_relation_refcnt_hook;
+extern PGDLLEXPORT drop_relation_refcnt_hook_type drop_relation_refcnt_hook;
 
 #endif							/* HEAP_H */

src/include/catalog/namespace.h

@@ -82,13 +82,13 @@ typedef void (*RangeVarGetRelidCallback) (const RangeVar *relation, Oid relId,
  * Hook for additional temporary relation lookup
  */
 typedef Oid (*relname_lookup_hook_type) (const char *relname, Oid relnamespace);
-extern PGDLLIMPORT relname_lookup_hook_type relname_lookup_hook;
+extern PGDLLEXPORT relname_lookup_hook_type relname_lookup_hook;
 typedef bool (*match_pltsql_func_call_hook_type) (HeapTuple proctup, int nargs, List *argnames,
 												  bool include_out_arguments, int **argnumbers,
 												  List **defaults, bool expand_defaults, bool expand_variadic,
 												  bool *use_defaults, bool *any_special,
 												  bool *variadic, Oid *va_elem_type);
-extern PGDLLIMPORT match_pltsql_func_call_hook_type match_pltsql_func_call_hook;
+extern PGDLLEXPORT match_pltsql_func_call_hook_type match_pltsql_func_call_hook;
 
 #define RangeVarGetRelid(relation, lockmode, missing_ok) \
 	RangeVarGetRelidExtended(relation, lockmode, \
@@ -108,7 +108,7 @@ extern bool RelationIsVisible(Oid relid);
 
 extern Oid	TypenameGetTypid(const char *typname);
 extern Oid	TypenameGetTypidExtended(const char *typname, bool temp_ok);
-extern Oid	typenameGetSchemaOID(const char *typname, bool temp_ok);
+extern PGDLLEXPORT Oid	typenameGetSchemaOID(const char *typname, bool temp_ok);
 extern bool TypeIsVisible(Oid typid);
 
 extern FuncCandidateList FuncnameGetCandidates(List *names,

src/include/catalog/objectaccess.h

@@ -135,7 +135,7 @@ typedef void (*object_access_hook_type_str) (ObjectAccessType access,
 											 void *arg);
 
 /* Plugin sets this variable to a suitable hook function. */
-extern PGDLLIMPORT object_access_hook_type object_access_hook;
+extern PGDLLEXPORT object_access_hook_type object_access_hook;
 extern PGDLLIMPORT object_access_hook_type_str object_access_hook_str;
 
 

src/include/catalog/objectaddress.h

@@ -87,6 +87,6 @@ extern struct ArrayType *strlist_to_textarray(List *list);
 extern ObjectType get_relkind_objtype(char relkind);
 
 typedef ObjectAddress (*get_trigger_object_address_hook_type)(List *object, Relation *relp, bool missing_ok,bool object_from_input);
-extern PGDLLIMPORT get_trigger_object_address_hook_type get_trigger_object_address_hook;
+extern PGDLLEXPORT get_trigger_object_address_hook_type get_trigger_object_address_hook;
 
 #endif							/* OBJECTADDRESS_H */

src/include/catalog/pg_collation.h

@@ -98,23 +98,23 @@ extern Oid CLUSTER_COLLATION_OID(void);
 
 /* Hook for plugins to get control in CLUSTER_COLLATION_OID() */
 typedef Oid (*CLUSTER_COLLATION_OID_hook_type)(void);
-extern PGDLLIMPORT CLUSTER_COLLATION_OID_hook_type CLUSTER_COLLATION_OID_hook;
+extern PGDLLEXPORT CLUSTER_COLLATION_OID_hook_type CLUSTER_COLLATION_OID_hook;
 
 typedef void (*PreCreateCollation_hook_type) (char collprovider,
 											  bool collisdeterministic,
 											  int32 collencoding,
 											  const char **collcollate,  /* The pointer may be modified */
 											  const char **collctype,    /* The pointer may be modified */
 											  const char *collversion);
-extern PGDLLIMPORT PreCreateCollation_hook_type PreCreateCollation_hook;
+extern PGDLLEXPORT PreCreateCollation_hook_type PreCreateCollation_hook;
 
 typedef const char * (*TranslateCollation_hook_type) (const char *collname, Oid collnamespace, int32 encoding);
-extern PGDLLIMPORT TranslateCollation_hook_type TranslateCollation_hook;
+extern PGDLLEXPORT TranslateCollation_hook_type TranslateCollation_hook;
 
 typedef void (*set_like_collation_hook_type) (Oid collation);
-extern PGDLLIMPORT set_like_collation_hook_type set_like_collation_hook;
+extern PGDLLEXPORT set_like_collation_hook_type set_like_collation_hook;
 
 typedef Oid (*get_like_collation_hook_type) (void);
-extern PGDLLIMPORT get_like_collation_hook_type get_like_collation_hook;
+extern PGDLLEXPORT get_like_collation_hook_type get_like_collation_hook;
 
 #endif							/* PG_COLLATION_H */

src/include/commands/copy.h

@@ -98,8 +98,8 @@ extern List *CopyGetAttnums(TupleDesc tupDesc, Relation rel,
 							List *attnamelist);
 
 typedef bool (*is_tsql_rowversion_or_timestamp_datatype_hook_type)(Oid oid);
-extern PGDLLIMPORT is_tsql_rowversion_or_timestamp_datatype_hook_type is_tsql_rowversion_or_timestamp_datatype_hook;
+extern PGDLLEXPORT is_tsql_rowversion_or_timestamp_datatype_hook_type is_tsql_rowversion_or_timestamp_datatype_hook;
 typedef void (*fill_missing_values_in_copyfrom_hook_type)(Relation rel, Datum *values, bool *nulls);
-extern PGDLLIMPORT fill_missing_values_in_copyfrom_hook_type fill_missing_values_in_copyfrom_hook;
+extern PGDLLEXPORT fill_missing_values_in_copyfrom_hook_type fill_missing_values_in_copyfrom_hook;
 
 #endif							/* COPY_H */

src/include/commands/defrem.h

@@ -77,8 +77,8 @@ extern void interpret_function_parameter_list(ParseState *pstate,
 
 typedef bool (*check_lang_as_clause_hook_type)(const char *lang, List *as, char **prosrc_str_p, char **probin_str_p);
 typedef void (*write_stored_proc_probin_hook_type)(CreateFunctionStmt *stmt, Oid languageOid, char** probin_str_p);
-extern PGDLLIMPORT check_lang_as_clause_hook_type check_lang_as_clause_hook;
-extern PGDLLIMPORT write_stored_proc_probin_hook_type write_stored_proc_probin_hook;
+extern PGDLLEXPORT check_lang_as_clause_hook_type check_lang_as_clause_hook;
+extern PGDLLEXPORT write_stored_proc_probin_hook_type write_stored_proc_probin_hook;
 
 /* commands/operatorcmds.c */
 extern ObjectAddress DefineOperator(List *names, List *parameters);

src/include/commands/sequence.h

@@ -26,7 +26,7 @@
 typedef void (*pltsql_sequence_validate_increment_hook_type) (int64 increment_by,
 																int64 max_value,
 																int64 min_value);
-extern PGDLLIMPORT pltsql_sequence_validate_increment_hook_type pltsql_sequence_validate_increment_hook;
+extern PGDLLEXPORT pltsql_sequence_validate_increment_hook_type pltsql_sequence_validate_increment_hook;
 
 /* Sequence datatype hook */
 typedef void (*pltsql_sequence_datatype_hook_type) (ParseState *pstate,
@@ -35,15 +35,15 @@ typedef void (*pltsql_sequence_datatype_hook_type) (ParseState *pstate,
 														DefElem *as_type,
 														DefElem **max_value,
 														DefElem **min_value);
-extern PGDLLIMPORT pltsql_sequence_datatype_hook_type pltsql_sequence_datatype_hook;
+extern PGDLLEXPORT pltsql_sequence_datatype_hook_type pltsql_sequence_datatype_hook;
 
 /* Sequence nextval hook */
 typedef void (*pltsql_nextval_hook_type) (Oid seqid, int64 val);
-extern PGDLLIMPORT pltsql_nextval_hook_type pltsql_nextval_hook;
+extern PGDLLEXPORT pltsql_nextval_hook_type pltsql_nextval_hook;
 
 /* Sequence reset cache hook */
 typedef void (*pltsql_resetcache_hook_type) ();
-extern PGDLLIMPORT pltsql_resetcache_hook_type pltsql_resetcache_hook;
+extern PGDLLEXPORT pltsql_resetcache_hook_type pltsql_resetcache_hook;
 
 /* Sequence setval hook */
 typedef int64 (*pltsql_setval_hook_type) (Oid seqid, int64 val, int64 last_val);

src/include/commands/tablecmds.h

@@ -105,17 +105,17 @@ extern bool PartConstraintImpliedByRelConstraint(Relation scanrel,
 												 List *partConstraint);
 
 typedef void (*InvokePreDropColumnHook_type) (Relation rel, AttrNumber attnum);
-extern PGDLLIMPORT InvokePreDropColumnHook_type InvokePreDropColumnHook;
+extern PGDLLEXPORT InvokePreDropColumnHook_type InvokePreDropColumnHook;
 
 typedef void (*InvokePreAddConstraintsHook_type) (Relation rel, ParseState *pstate,
 												  List *newColDefaults);
-extern PGDLLIMPORT InvokePreAddConstraintsHook_type InvokePreAddConstraintsHook;
+extern PGDLLEXPORT InvokePreAddConstraintsHook_type InvokePreAddConstraintsHook;
 typedef bool (*check_extended_attoptions_hook_type) (Node *options);
-extern check_extended_attoptions_hook_type check_extended_attoptions_hook;
+extern PGDLLEXPORT check_extended_attoptions_hook_type check_extended_attoptions_hook;
 
 typedef int (*find_attr_by_name_from_column_def_list_hook_type) (
 	const char *attributeName, List *schema);
-extern PGDLLIMPORT find_attr_by_name_from_column_def_list_hook_type
+extern PGDLLEXPORT find_attr_by_name_from_column_def_list_hook_type
 	find_attr_by_name_from_column_def_list_hook;
 
 #endif							/* TABLECMDS_H */

src/include/commands/trigger.h

@@ -308,12 +308,12 @@ extern void RI_PartitionRemove_Check(Trigger *trigger, Relation fk_rel,
 
 extern int	RI_FKey_trigger_type(Oid tgfoid);
 
-extern void BeginCompositeTriggers(MemoryContext curCxt);
-extern void EndCompositeTriggers(bool error);
+extern PGDLLEXPORT void BeginCompositeTriggers(MemoryContext curCxt);
+extern PGDLLEXPORT void EndCompositeTriggers(bool error);
 
 extern bool TsqlRecuresiveCheck(ResultRelInfo *resultRelInfo);
 
 typedef bool (*check_pltsql_support_tsql_transactions_hook_type) (void);
-extern PGDLLIMPORT check_pltsql_support_tsql_transactions_hook_type check_pltsql_support_tsql_transactions_hook;
+extern PGDLLEXPORT check_pltsql_support_tsql_transactions_hook_type check_pltsql_support_tsql_transactions_hook;
 
 #endif							/* TRIGGER_H */

src/include/commands/typecmds.h

@@ -61,6 +61,6 @@ extern ObjectAddress AlterType(AlterTypeStmt *stmt);
 extern bool enable_domain_typmod;
 
 typedef Oid (*define_type_default_collation_hook_type)(Oid);
-extern PGDLLIMPORT define_type_default_collation_hook_type define_type_default_collation_hook;
+extern PGDLLEXPORT define_type_default_collation_hook_type define_type_default_collation_hook;
 
 #endif							/* TYPECMDS_H */

src/include/commands/view.h

@@ -23,8 +23,8 @@ extern ObjectAddress DefineView(ViewStmt *stmt, const char *queryString,
 extern void StoreViewQuery(Oid viewOid, Query *viewParse, bool replace);
 
 typedef void (*store_view_definition_hook_type) (const char *queryString, ObjectAddress address);
-extern PGDLLIMPORT store_view_definition_hook_type	store_view_definition_hook;
+extern PGDLLEXPORT store_view_definition_hook_type	store_view_definition_hook;
 
 typedef void (*inherit_view_constraints_from_table_hook_type) (ColumnDef  *col, Oid tableOid, AttrNumber colId);
-extern PGDLLIMPORT inherit_view_constraints_from_table_hook_type inherit_view_constraints_from_table_hook;
+extern PGDLLEXPORT inherit_view_constraints_from_table_hook_type inherit_view_constraints_from_table_hook;
 #endif							/* VIEW_H */

src/include/executor/executor.h

@@ -63,35 +63,35 @@
 
 /* Hook for plugins to get control in ExecutorStart() */
 typedef void (*ExecutorStart_hook_type) (QueryDesc *queryDesc, int eflags);
-extern PGDLLIMPORT ExecutorStart_hook_type ExecutorStart_hook;
+extern PGDLLEXPORT ExecutorStart_hook_type ExecutorStart_hook;
 
 /* Hook for plugins to get control in ExecutorRun() */
 typedef void (*ExecutorRun_hook_type) (QueryDesc *queryDesc,
 									   ScanDirection direction,
 									   uint64 count,
 									   bool execute_once);
-extern PGDLLIMPORT ExecutorRun_hook_type ExecutorRun_hook;
+extern PGDLLEXPORT ExecutorRun_hook_type ExecutorRun_hook;
 
 /* Hook for plugins to get control in ExecutorFinish() */
 typedef void (*ExecutorFinish_hook_type) (QueryDesc *queryDesc);
-extern PGDLLIMPORT ExecutorFinish_hook_type ExecutorFinish_hook;
+extern PGDLLEXPORT ExecutorFinish_hook_type ExecutorFinish_hook;
 
 /* Hook for plugins to get control in ExecutorEnd() */
 typedef void (*ExecutorEnd_hook_type) (QueryDesc *queryDesc);
-extern PGDLLIMPORT ExecutorEnd_hook_type ExecutorEnd_hook;
+extern PGDLLEXPORT ExecutorEnd_hook_type ExecutorEnd_hook;
 
 /* Hook for plugins to get control in ExecCheckRTPerms() */
 typedef bool (*ExecutorCheckPerms_hook_type) (List *, bool);
 extern PGDLLIMPORT ExecutorCheckPerms_hook_type ExecutorCheckPerms_hook;
 
 typedef bool (*TriggerRecuresiveCheck_hook_type) (ResultRelInfo *resultRelInfo);
-extern PGDLLIMPORT TriggerRecuresiveCheck_hook_type TriggerRecuresiveCheck_hook;
+extern PGDLLEXPORT TriggerRecuresiveCheck_hook_type TriggerRecuresiveCheck_hook;
 
 typedef bool (*bbfViewHasInsteadofTrigger_hook_type) (Relation view, CmdType event);
-extern PGDLLIMPORT bbfViewHasInsteadofTrigger_hook_type bbfViewHasInsteadofTrigger_hook;
+extern PGDLLEXPORT bbfViewHasInsteadofTrigger_hook_type bbfViewHasInsteadofTrigger_hook;
 
 typedef bool (*check_rowcount_hook_type) (int es_processed);
-extern PGDLLIMPORT check_rowcount_hook_type check_rowcount_hook;
+extern PGDLLEXPORT check_rowcount_hook_type check_rowcount_hook;
 
 /*
  * prototypes from functions in execAmi.c

src/include/executor/spi.h

@@ -194,7 +194,7 @@ extern void SPI_cursor_fetch(Portal portal, bool forward, long count);
 extern void SPI_cursor_move(Portal portal, bool forward, long count);
 extern void SPI_scroll_cursor_fetch(Portal, FetchDirection direction, long count);
 extern void SPI_scroll_cursor_move(Portal, FetchDirection direction, long count);
-extern void SPI_scroll_cursor_fetch_dest(Portal portal, FetchDirection direction,
+extern PGDLLEXPORT void SPI_scroll_cursor_fetch_dest(Portal portal, FetchDirection direction,
 										 long count, DestReceiver *receiver);
 extern void SPI_cursor_close(Portal portal);
 
@@ -212,5 +212,5 @@ extern void AtEOXact_SPI(bool isCommit);
 extern void AtEOSubXact_SPI(bool isCommit, SubTransactionId mySubid);
 extern bool SPI_inside_nonatomic_context(void);
 
-extern void SPI_setCurrentInternalTxnMode(bool mode);
+extern PGDLLEXPORT void SPI_setCurrentInternalTxnMode(bool mode);
 #endif							/* SPI_H */

src/include/fmgr.h

@@ -794,8 +794,8 @@ extern set_local_schema_for_func_hook_type set_local_schema_for_func_hook;
 
 extern PGDLLIMPORT needs_fmgr_hook_type needs_fmgr_hook;
 extern PGDLLIMPORT fmgr_hook_type fmgr_hook;
-extern PGDLLIMPORT non_tsql_proc_entry_hook_type non_tsql_proc_entry_hook;
-extern PGDLLIMPORT get_func_language_oids_hook_type get_func_language_oids_hook;
+extern PGDLLEXPORT non_tsql_proc_entry_hook_type non_tsql_proc_entry_hook;
+extern PGDLLEXPORT get_func_language_oids_hook_type get_func_language_oids_hook;
 
 #define FmgrHookIsNeeded(fn_oid)							\
 	(!needs_fmgr_hook ? false : (*needs_fmgr_hook)(fn_oid))

src/include/funcapi.h

@@ -353,7 +353,7 @@ extern int	extract_variadic_args(FunctionCallInfo fcinfo, int variadic_start,
 
 typedef void (*modify_RangeTblFunction_tupdesc_hook_type) (
 	char *funcname, Node *expr, TupleDesc *tupdesc);
-extern PGDLLIMPORT modify_RangeTblFunction_tupdesc_hook_type
+extern PGDLLEXPORT modify_RangeTblFunction_tupdesc_hook_type
 	modify_RangeTblFunction_tupdesc_hook;
 
 #endif							/* FUNCAPI_H */

src/include/miscadmin.h

@@ -470,15 +470,15 @@ extern void TouchSocketLockFiles(void);
 extern void AddToDataDirLockFile(int target_line, const char *str);
 extern bool RecheckDataDirLockFile(void);
 extern void ValidatePgVersion(const char *path);
-extern void load_libraries(const char *libraries, const char *gucname, bool restricted);
+extern PGDLLEXPORT void load_libraries(const char *libraries, const char *gucname, bool restricted);
 extern void process_shared_preload_libraries(void);
 extern void process_session_preload_libraries(void);
 extern void process_shmem_requests(void);
 extern void pg_bindtextdomain(const char *domain);
 extern bool has_rolreplication(Oid roleid);
 
 typedef void (*shmem_request_hook_type) (void);
-extern PGDLLIMPORT shmem_request_hook_type shmem_request_hook;
+extern PGDLLEXPORT shmem_request_hook_type shmem_request_hook;
 
 /* in executor/nodeHash.c */
 extern size_t get_hash_memory_limit(void);

src/include/nodes/nodeFuncs.h

@@ -160,6 +160,6 @@ extern bool planstate_tree_walker(struct PlanState *planstate, bool (*walker) ()
 								  void *context);
 
 typedef int32 (*coalesce_typmod_hook_type) (const CoalesceExpr *cexpr);
-extern PGDLLIMPORT coalesce_typmod_hook_type coalesce_typmod_hook;
+extern PGDLLEXPORT coalesce_typmod_hook_type coalesce_typmod_hook;
 
 #endif							/* NODEFUNCS_H */