diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/access/transam.h | 16 | ||||
| -rw-r--r-- | src/include/commands/user.h | 13 | ||||
| -rw-r--r-- | src/include/utils/flatfiles.h | 33 |
3 files changed, 47 insertions, 15 deletions
diff --git a/src/include/access/transam.h b/src/include/access/transam.h index bf52484cc43..e623c5d0006 100644 --- a/src/include/access/transam.h +++ b/src/include/access/transam.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/transam.h,v 1.51 2004/12/31 22:03:21 pgsql Exp $ + * $PostgreSQL: pgsql/src/include/access/transam.h,v 1.52 2005/02/20 02:22:03 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -75,13 +75,21 @@ /* * VariableCache is placed in shmem and used by - * backends to get next available XID & OID. + * backends to get next available OID & XID. + * + * Note: xidWrapLimit and limit_datname are not "active" values, but are + * used just to generate useful messages when xidWarnLimit or xidStopLimit + * are exceeded. */ typedef struct VariableCacheData { - TransactionId nextXid; /* next XID to assign */ Oid nextOid; /* next OID to assign */ uint32 oidCount; /* OIDs available before must do XLOG work */ + TransactionId nextXid; /* next XID to assign */ + TransactionId xidWarnLimit; /* start complaining here */ + TransactionId xidStopLimit; /* refuse to advance nextXid beyond here */ + TransactionId xidWrapLimit; /* where the world ends */ + NameData limit_datname; /* database that needs vacuumed first */ } VariableCacheData; typedef VariableCacheData *VariableCache; @@ -118,6 +126,8 @@ extern bool TransactionIdFollowsOrEquals(TransactionId id1, TransactionId id2); /* in transam/varsup.c */ extern TransactionId GetNewTransactionId(bool isSubXact); extern TransactionId ReadNewTransactionId(void); +extern void SetTransactionIdLimit(TransactionId oldest_datfrozenxid, + Name oldest_datname); extern Oid GetNewObjectId(void); extern void CheckMaxObjectId(Oid assigned_oid); diff --git a/src/include/commands/user.h b/src/include/commands/user.h index 882b0efc219..a37f94940a9 100644 --- a/src/include/commands/user.h +++ b/src/include/commands/user.h @@ -4,20 +4,16 @@ * Commands for manipulating users and groups. * * - * $PostgreSQL: pgsql/src/include/commands/user.h,v 1.25 2004/09/16 16:58:39 tgl Exp $ + * $PostgreSQL: pgsql/src/include/commands/user.h,v 1.26 2005/02/20 02:22:05 tgl Exp $ * *------------------------------------------------------------------------- */ #ifndef USER_H #define USER_H -#include "fmgr.h" #include "nodes/parsenodes.h" -extern char *group_getfilename(void); -extern char *user_getfilename(void); - extern void CreateUser(CreateUserStmt *stmt); extern void AlterUser(AlterUserStmt *stmt); extern void AlterUserSet(AlterUserSetStmt *stmt); @@ -29,11 +25,4 @@ extern void AlterGroup(AlterGroupStmt *stmt, const char *tag); extern void DropGroup(DropGroupStmt *stmt); extern void RenameGroup(const char *oldname, const char *newname); -extern Datum update_pg_pwd_and_pg_group(PG_FUNCTION_ARGS); - -extern void AtEOXact_UpdatePasswordFile(bool isCommit); -extern void AtEOSubXact_UpdatePasswordFile(bool isCommit, - SubTransactionId mySubid, - SubTransactionId parentSubid); - #endif /* USER_H */ diff --git a/src/include/utils/flatfiles.h b/src/include/utils/flatfiles.h new file mode 100644 index 00000000000..02e51759254 --- /dev/null +++ b/src/include/utils/flatfiles.h @@ -0,0 +1,33 @@ +/*------------------------------------------------------------------------- + * + * flatfiles.h + * Routines for maintaining "flat file" images of the shared catalogs. + * + * + * $PostgreSQL: pgsql/src/include/utils/flatfiles.h,v 1.1 2005/02/20 02:22:07 tgl Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef FLATFILES_H +#define FLATFILES_H + +#include "fmgr.h" + +extern void database_file_update_needed(void); +extern void group_file_update_needed(void); +extern void user_file_update_needed(void); + +extern char *database_getflatfilename(void); +extern char *group_getflatfilename(void); +extern char *user_getflatfilename(void); + +extern void BuildFlatFiles(bool database_only); + +extern void AtEOXact_UpdateFlatFiles(bool isCommit); +extern void AtEOSubXact_UpdateFlatFiles(bool isCommit, + SubTransactionId mySubid, + SubTransactionId parentSubid); + +extern Datum flatfile_update_trigger(PG_FUNCTION_ARGS); + +#endif /* FLATFILES_H */ |