| 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 | |