1 /*------------------------------------------------------------------------- 2 * 3 * extension.h 4 * Extension management commands (create/drop extension). 5 * 6 * 7 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group 8 * Portions Copyright (c) 1994, Regents of the University of California 9 * 10 * src/include/commands/extension.h 11 * 12 *------------------------------------------------------------------------- 13 */ 14 #ifndef EXTENSION_H 15 #define EXTENSION_H 16 17 #include "catalog/objectaddress.h" 18 #include "nodes/parsenodes.h" 19 20 21 /* 22 * creating_extension is only true while running a CREATE EXTENSION or ALTER 23 * EXTENSION UPDATE command. It instructs recordDependencyOnCurrentExtension() 24 * to register a dependency on the current pg_extension object for each SQL 25 * object created by an extension script. It also instructs performDeletion() 26 * to remove such dependencies without following them, so that extension 27 * scripts can drop member objects without having to explicitly dissociate 28 * them from the extension first. 29 */ 30 extern PGDLLIMPORT bool creating_extension; 31 extern PGDLLIMPORT Oid CurrentExtensionObject; 32 33 34 extern ObjectAddress CreateExtension(ParseState *pstate, CreateExtensionStmt *stmt); 35 36 extern void RemoveExtensionById(Oid extId); 37 38 extern ObjectAddress InsertExtensionTuple(const char *extName, Oid extOwner, 39 Oid schemaOid, bool relocatable, const char *extVersion, 40 Datum extConfig, Datum extCondition, 41 List *requiredExtensions); 42 43 extern ObjectAddress ExecAlterExtensionStmt(ParseState *pstate, AlterExtensionStmt *stmt); 44 45 extern ObjectAddress ExecAlterExtensionContentsStmt(AlterExtensionContentsStmt *stmt, 46 ObjectAddress *objAddress); 47 48 extern Oid get_extension_oid(const char *extname, bool missing_ok); 49 extern char *get_extension_name(Oid ext_oid); 50 51 extern ObjectAddress AlterExtensionNamespace(const char *extensionName, const char *newschema, 52 Oid *oldschema); 53 54 #endif /* EXTENSION_H */ 55