1 /*------------------------------------------------------------------------- 2 * 3 * tablespace.h 4 * Tablespace management commands (create/drop tablespace). 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/tablespace.h 11 * 12 *------------------------------------------------------------------------- 13 */ 14 #ifndef TABLESPACE_H 15 #define TABLESPACE_H 16 17 #include "access/xlogreader.h" 18 #include "catalog/objectaddress.h" 19 #include "lib/stringinfo.h" 20 #include "nodes/parsenodes.h" 21 22 /* XLOG stuff */ 23 #define XLOG_TBLSPC_CREATE 0x00 24 #define XLOG_TBLSPC_DROP 0x10 25 26 typedef struct xl_tblspc_create_rec 27 { 28 Oid ts_id; 29 char ts_path[FLEXIBLE_ARRAY_MEMBER]; /* null-terminated string */ 30 } xl_tblspc_create_rec; 31 32 typedef struct xl_tblspc_drop_rec 33 { 34 Oid ts_id; 35 } xl_tblspc_drop_rec; 36 37 typedef struct TableSpaceOpts 38 { 39 int32 vl_len_; /* varlena header (do not touch directly!) */ 40 float8 random_page_cost; 41 float8 seq_page_cost; 42 int effective_io_concurrency; 43 } TableSpaceOpts; 44 45 extern Oid CreateTableSpace(CreateTableSpaceStmt *stmt); 46 extern void DropTableSpace(DropTableSpaceStmt *stmt); 47 extern ObjectAddress RenameTableSpace(const char *oldname, const char *newname); 48 extern Oid AlterTableSpaceOptions(AlterTableSpaceOptionsStmt *stmt); 49 50 extern void TablespaceCreateDbspace(Oid spcNode, Oid dbNode, bool isRedo); 51 52 extern Oid GetDefaultTablespace(char relpersistence, bool partitioned); 53 54 extern void PrepareTempTablespaces(void); 55 56 extern Oid get_tablespace_oid(const char *tablespacename, bool missing_ok); 57 extern char *get_tablespace_name(Oid spc_oid); 58 59 extern bool directory_is_empty(const char *path); 60 extern void remove_tablespace_symlink(const char *linkloc); 61 62 extern void tblspc_redo(XLogReaderState *rptr); 63 extern void tblspc_desc(StringInfo buf, XLogReaderState *rptr); 64 extern const char *tblspc_identify(uint8 info); 65 66 #endif /* TABLESPACE_H */ 67