diff options
Diffstat (limited to 'doc/man/catalogs.3')
-rw-r--r-- | doc/man/catalogs.3 | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/doc/man/catalogs.3 b/doc/man/catalogs.3 deleted file mode 100644 index b46a2cb8f41..00000000000 --- a/doc/man/catalogs.3 +++ /dev/null @@ -1,446 +0,0 @@ -.\" This is -*-nroff-*- -.\" XXX standard disclaimer belongs here.... -.\" $Header: /cvsroot/pgsql/doc/man/Attic/catalogs.3,v 1.1.1.1 1996/08/18 22:14:20 scrappy Exp $ -.TH "SYSTEM CATALOGS" INTRO 03/13/94 Postgres95 Postgres95 -.SH "Section 7 \(em System Catalogs" -.de LS -.PP -.if n .ta 5 +13 +13 -.if t .ta 0.5i +1.3i +1.3i -.in 0 -.nf -.. -.de LE -.fi -.in -.. -.SH "DESCRIPTION" -In this -section we list each of the attributes of the system catalogs and -define their meanings. -.SH "CLASS/TYPE SYSTEM CATALOGS" -These catalogs form the core of the extensibility system: -.LS - \fBname\fP \fBshared/local\fP \fBdescription\fP - pg_aggregate local aggregate functions - pg_am local access methods - pg_amop local operators usable with specific access methods - pg_amproc local procedures used with specific access methods - pg_attribute local class attributes - pg_class local classes - pg_index local secondary indices - pg_inherits local class inheritance hierarchy - pg_language local procedure implementation languages - pg_opclass local operator classes - pg_operator local query language operators - pg_proc local procedures (functions) - pg_type local data types -.LE -.SH "ENTITIES" -These catalogs deal with identification of entities known throughout -the site: -.LS - \fBname\fP \fBshared/local\fP \fBdescription\fP - pg_database shared current databases - pg_group shared user groups - pg_user shared valid users -.LE -.SH "RULE SYSTEM CATALOGS" -.LS - \fBname\fP \fBshared/local\fP \fBdescription\fP - pg_listener local processes waiting on alerters - pg_prs2plans local instance system procedures - pg_prs2rule local instance system rules - pg_prs2stub local instance system ``stubs'' - pg_rewrite local rewrite system information -.LE -.SH "LARGE OBJECT CATALOGS" -.PP -These catalogs are specific to the Inversion file system and large -objects in general: -.LS - \fBname\fP \fBshared/local\fP \fBdescription\fP - pg_lobj local description of a large object - pg_naming local Inversion name space mapping - pg_platter local jukebox platter inventory - pg_plmap local jukebox platter extent map -.LE -.SH "INTERNAL CATALOGS" -.PP -These catalogs are internal classes that are not stored as normal -heaps and cannot be accessed through normal means (attempting to do so -causes an error). -.LS - \fBname\fP \fBshared/local\fP \fBdescription\fP - pg_log shared transaction commit/abort log - pg_magic shared magic constant - pg_time shared commit/abort times - pg_variable shared special variable values -.LE -.PP -There are several other classes defined with \*(lqpg_\*(rq names. -Aside from those that end in \*(lqind\*(rq (secondary indices), these -are all obsolete or otherwise deprecated. -.SH "CLASS/TYPE SYSTEM CATALOGS" -.PP -The following catalogs relate to the class/type system. -.nf M -/* - * aggregates - * - * see DEFINE AGGREGATE for an explanation of transition functions - */ -pg_aggregate - NameData aggname /* aggregate name (e.g., "count") */ - oid aggowner /* usesysid of creator */ - regproc aggtransfn1 /* first transition function */ - regproc aggtransfn2 /* second transition function */ - regproc aggfinalfn /* final function */ - oid aggbasetype /* type of data on which aggregate - operates */ - oid aggtranstype1 /* type returned by aggtransfn1 */ - oid aggtranstype2 /* type returned by aggtransfn2 */ - oid aggfinaltype /* type returned by aggfinalfn */ - text agginitval1 /* external format of initial - (starting) value of aggtransfn1 */ - text agginitval2 /* external format of initial - (starting) value of aggtransfn2 */ -.fi -.nf M -pg_am - NameData amname /* access method name */ - oid amowner /* usesysid of creator */ - char amkind /* - deprecated */ - /* originally: - h=hashed - o=ordered - s=special */ - int2 amstrategies /* total NUMBER of strategies by which - we can traverse/search this AM */ - int2 amsupport /* total NUMBER of support functions - that this AM uses */ - regproc amgettuple /* "next valid tuple" function */ - regproc aminsert /* "insert this tuple" function */ - regproc amdelete /* "delete this tuple" function */ - regproc amgetattr /* - deprecated */ - regproc amsetlock /* - deprecated */ - regproc amsettid /* - deprecated */ - regproc amfreetuple /* - deprecated */ - regproc ambeginscan /* "start new scan" function */ - regproc amrescan /* "restart this scan" function */ - regproc amendscan /* "end this scan" function */ - regproc ammarkpos /* "mark current scan position" - function */ - regproc amrestrpos /* "restore marked scan position" - function */ - regproc amopen /* - deprecated */ - regproc amclose /* - deprecated */ - regproc ambuild /* "build new index" function */ - regproc amcreate /* - deprecated */ - regproc amdestroy /* - deprecated */ -.fi -.nf M -pg_amop - oid amopid /* access method with which this - operator be used */ - oid amopclaid /* operator class with which this - operator can be used */ - oid amopopr /* the operator */ - int2 amopstrategy /* traversal/search strategy number - to which this operator applies */ - regproc amopselect /* function to calculate the operator - selectivity */ - regproc amopnpages /* function to calculate the number of - pages that will be examined */ -.fi -.nf M -pg_amproc - oid amid /* access method with which this - procedure is associated */ - oid amopclaid /* operator class with which this - operator can be used */ - oid amproc /* the procedure */ - int2 amprocnum /* support function number to which - this operator applies */ -.fi -.nf M -pg_class - NameData relname /* class name */ - oid relowner /* usesysid of owner */ - oid relam /* access method */ - int4 relpages /* # of 8KB pages */ - int4 reltuples /* # of instances */ - abstime relexpires /* time after which instances are - deleted from non-archival storage */ - reltime relpreserved /* timespan after which instances are - deleted from non-archival storage */ - bool relhasindex /* does the class have a secondary - index? */ - bool relisshared /* is the class shared or local? */ - char relkind /* type of relation: - i=index - r=relation (heap) - s=special - u=uncatalogued (temporary) */ - char relarch /* archive mode: - h=heavy - l=light - n=none */ - int2 relnatts /* current # of non-system - attributes */ - int2 relsmgr /* storage manager: - 0=magnetic disk - 1=sony WORM jukebox - 2=main memory */ - int28 relkey /* - unused */ - oid8 relkeyop /* - unused */ - aclitem relacl[1] /* access control lists */ -.fi -.nf M -pg_attribute - oid attrelid /* class containing this attribute */ - NameData attname /* attribute name */ - oid atttypid /* attribute type */ - oid attdefrel /* - deprecated */ - int4 attnvals /* - deprecated */ - oid atttyparg /* - deprecated */ - int2 attlen /* attribute length, in bytes - -1=variable */ - int2 attnum /* attribute number - >0=user attribute - <0=system attribute */ - int2 attbound /* - deprecated */ - bool attbyval /* type passed by value? */ - bool attcanindex /* - deprecated */ - oid attproc /* - deprecated */ - int4 attnelems /* # of array dimensions */ - int4 attcacheoff /* cached offset into tuple */ - bool attisset /* is attribute set-valued? */ -.fi -.nf M -pg_inherits - oid inhrel /* child class */ - oid inhparent /* parent class */ - int4 inhseqno /* - deprecated */ -.fi -.nf M - oid indexrelid /* oid of secondary index class */ - oid indrelid /* oid of indexed heap class */ - oid indproc /* function to compute index key from - attribute(s) in heap - 0=not a functional index */ - int28 indkey /* attribute numbers of key - attribute(s) */ - oid8 indclass /* opclass of each key */ - bool indisclustered /* is the index clustered? - - unused */ - bool indisarchived /* is the index archival? - - unused */ - text indpred /* query plan for partial index - predicate */ -.fi -.nf M -pg_type - NameData typname /* type name */ - oid typowner /* usesysid of owner */ - int2 typlen /* length in internal form - -1=variable-length */ - int2 typprtlen /* length in external form */ - bool typbyval /* type passed by value? */ - char typtype /* kind of type: - c=catalog (composite) - b=base */ - bool typisdefined /* defined or still a shell? */ - char typdelim /* delimiter for array external form */ - oid typrelid /* class (if composite) */ - oid typelem /* type of each array element */ - regproc typinput /* external-internal conversion - function */ - regproc typoutput /* internal-external conversion - function */ - regproc typreceive /* client-server conversion function */ - regproc typsend /* server-client conversion function */ - text typdefault /* default value */ -.fi -.nf M -pg_operator - NameData oprname /* operator name */ - oid oprowner /* usesysid of owner */ - int2 oprprec /* - deprecated */ - char oprkind /* kind of operator: - b=binary - l=left unary - r=right unary */ - bool oprisleft /* is operator left/right associative? */ - bool oprcanhash /* is operator usable for hashjoin? */ - oid oprleft /* left operand type */ - oid oprright /* right operand type */ - oid oprresult /* result type */ - oid oprcom /* commutator operator */ - oid oprnegate /* negator operator */ - oid oprlsortop /* sort operator for left operand */ - oid oprrsortop /* sort operator for right operand */ - regproc oprcode /* function implementing this operator */ - regproc oprrest /* function to calculate operator - restriction selectivity */ - regproc oprjoin /* function to calculate operator - join selectivity */ -.fi -.nf M -pg_opclass - NameData opcname /* operator class name */ -.fi -.nf M -pg_proc - NameData proname /* function name */ - oid proowner /* usesysid of owner */ - oid prolang /* function implementation language */ - bool proisinh /* - deprecated */ - bool proistrusted /* run in server or untrusted function - process? */ - bool proiscachable /* can the function return values be - cached? */ - int2 pronargs /* # of arguments */ - bool proretset /* does the function return a set? - - unused */ - oid prorettype /* return type */ - oid8 proargtypes /* argument types */ - int4 probyte_pct /* % of argument size (in bytes) that - needs to be examined in order to - compute the function */ - int4 properbyte_cpu /* sensitivity of the function's - running time to the size of its - inputs */ - int4 propercall_cpu /* overhead of the function's - invocation (regardless of input - size) */ - int4 prooutin_ratio /* size of the function's output as a - percentage of the size of the input */ - text prosrc /* function definition (postquel only) */ - bytea probin /* path to object file (C only) */ -.fi -.nf M -pg_language - NameData lanname /* language name */ - text lancompiler /* - deprecated */ -.fi -.SH "ENTITIES" -.nf M -pg_database - NameData datname /* database name */ - oid datdba /* usesysid of database administrator */ - text datpath /* directory of database under - $PGDATA */ -.fi -.nf M -pg_group - NameData groname /* group name */ - int2 grosysid /* group's UNIX group id */ - int2 grolist[1] /* list of usesysids of group members */ -.fi -.nf M -pg_user - NameData usename /* user's name */ - int2 usesysid /* user's UNIX user id */ - bool usecreatedb /* can user create databases? */ - bool usetrace /* can user set trace flags? */ - bool usesuper /* can user be POSTGRES superuser? */ - bool usecatupd /* can user update catalogs? */ -.fi -.SH "RULE SYSTEM CATALOGS" -.nf M -pg_listener - NameData relname /* class for which asynchronous - notification is desired */ - int4 listenerpid /* process id of server corresponding - to a frontend program waiting for - asynchronous notification */ - int4 notification /* whether an event notification for - this process id still pending */ - -.fi -.nf M -pg_prs2rule - NameData prs2name /* rule name */ - char prs2eventtype /* rule event type: - R=retrieve - U=update (replace) - A=append - D=delete */ - oid prs2eventrel /* class to which event applies */ - int2 prs2eventattr /* attribute to which event applies */ - float8 necessary /* - deprecated */ - float8 sufficient /* - deprecated */ - text prs2text /* text of original rule definition */ -.fi -.nf M -pg_prs2plans - oid prs2ruleid /* prs2rule instance for which this - plan is used */ - int2 prs2planno /* plan number (one rule may invoke - multiple plans) */ - text prs2code /* external representation of the plan */ -.fi -.nf M -pg_prs2stub - oid prs2relid /* class to which this rule applies */ - bool prs2islast /* is this the last stub fragment? */ - int4 prs2no /* stub fragment number */ - stub prs2stub /* stub fragment */ -.fi -.nf M -pg_rewrite - NameData rulename /* rule name */ - char ev_type /* event type: - RETRIEVE, REPLACE, APPEND, DELETE - codes are parser-dependent (!?) */ - oid ev_class /* class to which this rule applies */ - int2 ev_attr /* attribute to which this rule applies */ - bool is_instead /* is this an "instead" rule? */ - text ev_qual /* qualification with which to modify - (rewrite) the plan that triggered this - rule */ - text action /* parse tree of action */ -.fi -.SH "LARGE OBJECT CATALOGS" -.nf M -pg_lobj - oid ourid /* 'ourid' from pg_naming that - identifies this object in the - Inversion file system namespace */ - int4 objtype /* storage type code: - 0=Inversion - 1=Unix - 2=External - 3=Jaquith */ - bytea object_descripto/* opaque object-handle structure */ -.fi -.nf M -pg_naming - NameData filename /* filename component */ - oid ourid /* random oid used to identify this - instance in other instances (can't - use the actual oid for obscure - reasons */ - oid parentid /* pg_naming instance of parent - Inversion file system directory */ -.fi -.nf M -pg_platter - NameData plname /* platter name */ - int4 plstart /* the highest OCCUPIED extent */ -.fi -.nf M -pg_plmap - oid plid /* platter (in pg_platter) on which - this extent (of blocks) resides */ - oid pldbid /* database of the class to which this - extent (of blocks) belongs */ - oid plrelid /* class to which this extend (of - blocks) belongs */ - int4 plblkno /* starting block number within the - class */ - int4 ploffset /* offset within the platter at which - this extent begins */ - int4 plextentsz /* length of this extent */ -.fi |