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145 lines
5.9 KiB
C
145 lines
5.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* pg_aggregate.h--
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* definition of the system "aggregate" relation (pg_aggregate)
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* along with the relation's initial contents.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_aggregate.h,v 1.13 1998/01/24 22:48:31 momjian Exp $
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*
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* NOTES
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* the genbki.sh script reads this file and generates .bki
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* information from the DATA() statements.
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_AGGREGATE_H
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#define PG_AGGREGATE_H
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/* ----------------
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* postgres.h contains the system type definitions and the
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* CATALOG(), BOOTSTRAP and DATA() sugar words so this file
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* can be read by both genbki.sh and the C compiler.
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* ----------------
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*/
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/* ----------------------------------------------------------------
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* pg_aggregate definition.
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*
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* cpp turns this into typedef struct FormData_pg_aggregate
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*
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* aggname name of the aggregate
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* aggtransfn1 transition function 1
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* aggtransfn2 transition function 2
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* aggfinalfn final function
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* aggbasetype type of data on which aggregate operates
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* aggtranstype1 output types for transition func 1
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* aggtranstype2 output types for transition func 2
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* aggfinaltype output type for final function
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* agginitval1 initial aggregate value
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* agginitval2 initial value for transition state 2
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* ----------------------------------------------------------------
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*/
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CATALOG(pg_aggregate)
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{
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NameData aggname;
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Oid aggowner;
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regproc aggtransfn1;
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regproc aggtransfn2;
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regproc aggfinalfn;
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Oid aggbasetype;
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Oid aggtranstype1;
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Oid aggtranstype2;
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Oid aggfinaltype;
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text agginitval1; /* VARIABLE LENGTH FIELD */
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text agginitval2; /* VARIABLE LENGTH FIELD */
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} FormData_pg_aggregate;
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/* ----------------
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* Form_pg_aggregate corresponds to a pointer to a tuple with
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* the format of pg_aggregate relation.
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* ----------------
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*/
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typedef FormData_pg_aggregate *Form_pg_aggregate;
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/* ----------------
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* compiler constants for pg_aggregate
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* ----------------
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*/
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#define Natts_pg_aggregate 11
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#define Anum_pg_aggregate_aggname 1
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#define Anum_pg_aggregate_aggowner 2
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#define Anum_pg_aggregate_aggtransfn1 3
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#define Anum_pg_aggregate_aggtransfn2 4
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#define Anum_pg_aggregate_aggfinalfn 5
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#define Anum_pg_aggregate_aggbasetype 6
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#define Anum_pg_aggregate_aggtranstype1 7
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#define Anum_pg_aggregate_aggtranstype2 8
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#define Anum_pg_aggregate_aggfinaltype 9
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#define Anum_pg_aggregate_agginitval1 10
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#define Anum_pg_aggregate_agginitval2 11
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/* ----------------
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* initial contents of pg_aggregate
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* ---------------
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*/
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DATA(insert OID = 0 ( avg PGUID int4pl int4inc int4div 23 23 23 23 _null_ 0 ));
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DATA(insert OID = 0 ( avg PGUID int2pl int2inc int2div 21 21 21 21 _null_ 0 ));
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DATA(insert OID = 0 ( avg PGUID float4pl float4inc float4div 700 700 700 700 _null_ 0.0 ));
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DATA(insert OID = 0 ( avg PGUID float8pl float8inc float8div 701 701 701 701 _null_ 0.0 ));
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DATA(insert OID = 0 ( avg PGUID cash_pl float8inc cash_div_flt8 790 790 701 790 _null_ 0.0 ));
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DATA(insert OID = 0 ( avg PGUID timespan_pl float8inc timespan_div 1186 1186 701 1186 _null_ 0.0 ));
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DATA(insert OID = 0 ( sum PGUID int4pl - - 23 23 0 23 _null_ _null_ ));
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DATA(insert OID = 0 ( sum PGUID int2pl - - 21 21 0 21 _null_ _null_ ));
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DATA(insert OID = 0 ( sum PGUID float4pl - - 700 700 0 700 _null_ _null_ ));
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DATA(insert OID = 0 ( sum PGUID float8pl - - 701 701 0 701 _null_ _null_ ));
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DATA(insert OID = 0 ( sum PGUID cash_pl - - 790 790 0 790 _null_ _null_ ));
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DATA(insert OID = 0 ( sum PGUID timespan_pl - - 1186 1186 0 1186 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID int4larger - - 23 23 0 23 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID int2larger - - 21 21 0 21 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID float4larger - - 700 700 0 700 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID float8larger - - 701 701 0 701 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID int4larger - - 702 702 0 702 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID date_larger - - 1082 1082 0 1082 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID float8larger - - 1084 1084 0 1084 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID cashlarger - - 790 790 0 790 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID datetime_larger - - 1184 1184 0 1184 _null_ _null_ ));
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DATA(insert OID = 0 ( max PGUID timespan_larger - - 1186 1186 0 1186 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID int4smaller - - 23 23 0 23 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID int2smaller - - 21 21 0 21 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID float4smaller - - 700 700 0 700 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID float8smaller - - 701 701 0 701 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID int4smaller - - 702 702 0 702 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID date_smaller - - 1082 1082 0 1082 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID float8smaller - - 1084 1084 0 1084 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID cashsmaller - - 790 790 0 790 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID datetime_smaller - - 1184 1184 0 1184 _null_ _null_ ));
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DATA(insert OID = 0 ( min PGUID timespan_smaller - - 1186 1186 0 1186 _null_ _null_ ));
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DATA(insert OID = 0 ( count PGUID - int4inc - 0 0 23 23 _null_ 0 ));
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/*
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* prototypes for functions in pg_aggregate.c
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*/
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extern void AggregateCreate(char *aggName,
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char *aggtransfn1Name,
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char *aggtransfn2Name,
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char *aggfinalfnName,
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char *aggbasetypeName,
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char *aggtransfn1typeName,
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char *aggtransfn2typeName,
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char *agginitval1,
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char *agginitval2);
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extern char * AggNameGetInitVal(char *aggName, Oid basetype,
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int xfuncno, bool *isNull);
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#endif /* PG_AGGREGATE_H */
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