| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * dbasedesc.c |
| 4 | * rmgr descriptor routines for commands/dbcommands.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/dbasedesc.c |
| 12 | * |
| 13 | *------------------------------------------------------------------------- |
| 14 | */ |
| 15 | #include "postgres.h" |
| 16 | |
| 17 | #include "commands/dbcommands_xlog.h" |
| 18 | #include "lib/stringinfo.h" |
| 19 | |
| 20 | |
| 21 | void |
| 22 | dbase_desc(StringInfo buf, XLogReaderState *record) |
| 23 | { |
| 24 | char *rec = XLogRecGetData(record); |
| 25 | uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK; |
| 26 | |
| 27 | if (info == XLOG_DBASE_CREATE) |
| 28 | { |
| 29 | xl_dbase_create_rec *xlrec = (xl_dbase_create_rec *) rec; |
| 30 | |
| 31 | appendStringInfo(buf, "copy dir %u/%u to %u/%u" , |
| 32 | xlrec->src_tablespace_id, xlrec->src_db_id, |
| 33 | xlrec->tablespace_id, xlrec->db_id); |
| 34 | } |
| 35 | else if (info == XLOG_DBASE_DROP) |
| 36 | { |
| 37 | xl_dbase_drop_rec *xlrec = (xl_dbase_drop_rec *) rec; |
| 38 | |
| 39 | appendStringInfo(buf, "dir %u/%u" , |
| 40 | xlrec->tablespace_id, xlrec->db_id); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | const char * |
| 45 | dbase_identify(uint8 info) |
| 46 | { |
| 47 | const char *id = NULL; |
| 48 | |
| 49 | switch (info & ~XLR_INFO_MASK) |
| 50 | { |
| 51 | case XLOG_DBASE_CREATE: |
| 52 | id = "CREATE" ; |
| 53 | break; |
| 54 | case XLOG_DBASE_DROP: |
| 55 | id = "DROP" ; |
| 56 | break; |
| 57 | } |
| 58 | |
| 59 | return id; |
| 60 | } |
| 61 | |