100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
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* rmgrdesc.c
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*
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* pg_waldump resource managers definition
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*
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* src/bin/pg_waldump/rmgrdesc.c
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*/
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#define FRONTEND 1
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#include "postgres.h"
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#include "access/brin_xlog.h"
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#include "access/clog.h"
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#include "access/commit_ts.h"
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#include "access/generic_xlog.h"
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#include "access/ginxlog.h"
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#include "access/gistxlog.h"
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#include "access/hash_xlog.h"
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#include "access/heapam_xlog.h"
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#include "access/multixact.h"
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#include "access/nbtxlog.h"
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#include "access/rmgr.h"
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#include "access/spgxlog.h"
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#include "access/xact.h"
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#include "access/xlog_internal.h"
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#include "catalog/storage_xlog.h"
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#include "commands/dbcommands_xlog.h"
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#include "commands/sequence.h"
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#include "commands/tablespace.h"
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#include "replication/message.h"
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#include "replication/origin.h"
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#include "rmgrdesc.h"
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#include "storage/standbydefs.h"
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#include "utils/relmapper.h"
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#define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
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{ name, desc, identify},
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static const RmgrDescData RmgrDescTable[RM_N_BUILTIN_IDS] = {
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#include "access/rmgrlist.h"
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};
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#define CUSTOM_NUMERIC_NAME_LEN sizeof("custom###")
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static char CustomNumericNames[RM_N_CUSTOM_IDS][CUSTOM_NUMERIC_NAME_LEN] = {{0}};
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static RmgrDescData CustomRmgrDesc[RM_N_CUSTOM_IDS] = {{0}};
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static bool CustomRmgrDescInitialized = false;
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/*
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* No information on custom resource managers; just print the ID.
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*/
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static void
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default_desc(StringInfo buf, XLogReaderState *record)
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{
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appendStringInfo(buf, "rmid: %d", XLogRecGetRmid(record));
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}
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/*
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* No information on custom resource managers; just return NULL and let the
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* caller handle it.
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*/
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static const char *
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default_identify(uint8 info)
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{
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return NULL;
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}
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/*
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* We are unable to get the real name of a custom rmgr because the module is
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* not loaded. Generate a table of rmgrs with numeric names of the form
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* "custom###", where "###" is the 3-digit resource manager ID.
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*/
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static void
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initialize_custom_rmgrs(void)
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{
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for (int i = 0; i < RM_N_CUSTOM_IDS; i++)
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{
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snprintf(CustomNumericNames[i], CUSTOM_NUMERIC_NAME_LEN,
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"custom%03d", i + RM_MIN_CUSTOM_ID);
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CustomRmgrDesc[i].rm_name = CustomNumericNames[i];
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CustomRmgrDesc[i].rm_desc = default_desc;
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CustomRmgrDesc[i].rm_identify = default_identify;
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}
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CustomRmgrDescInitialized = true;
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}
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const RmgrDescData *
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GetRmgrDesc(RmgrId rmid)
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{
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Assert(RmgrIdIsValid(rmid));
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if (RmgrIdIsBuiltin(rmid))
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return &RmgrDescTable[rmid];
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else
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{
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if (!CustomRmgrDescInitialized)
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initialize_custom_rmgrs();
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return &CustomRmgrDesc[rmid - RM_MIN_CUSTOM_ID];
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}
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}
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