| 1 | /*------------------------------------------------------------------------- |
|---|---|
| 2 | * |
| 3 | * relmapdesc.c |
| 4 | * rmgr descriptor routines for utils/cache/relmapper.c |
| 5 | * |
| 6 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 7 | * Portions Copyright (c) 1994, Regents of the University of California |
| 8 | * |
| 9 | * |
| 10 | * IDENTIFICATION |
| 11 | * src/backend/access/rmgrdesc/relmapdesc.c |
| 12 | * |
| 13 | *------------------------------------------------------------------------- |
| 14 | */ |
| 15 | #include "postgres.h" |
| 16 | |
| 17 | #include "utils/relmapper.h" |
| 18 | |
| 19 | void |
| 20 | relmap_desc(StringInfo buf, XLogReaderState *record) |
| 21 | { |
| 22 | char *rec = XLogRecGetData(record); |
| 23 | uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK; |
| 24 | |
| 25 | if (info == XLOG_RELMAP_UPDATE) |
| 26 | { |
| 27 | xl_relmap_update *xlrec = (xl_relmap_update *) rec; |
| 28 | |
| 29 | appendStringInfo(buf, "database %u tablespace %u size %u", |
| 30 | xlrec->dbid, xlrec->tsid, xlrec->nbytes); |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | const char * |
| 35 | relmap_identify(uint8 info) |
| 36 | { |
| 37 | const char *id = NULL; |
| 38 | |
| 39 | switch (info & ~XLR_INFO_MASK) |
| 40 | { |
| 41 | case XLOG_RELMAP_UPDATE: |
| 42 | id = "UPDATE"; |
| 43 | break; |
| 44 | } |
| 45 | |
| 46 | return id; |
| 47 | } |
| 48 |