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Define routines and catalog entries for string min()/max() functions. 

Extend new type coersion techniques to aggregates.
This commit is contained in:
Thomas G. Lockhart 1998-12-08 06:18:34 +00:00
parent 84107b419e
commit 9470ab03c9
4 changed files with 36 additions and 26 deletions
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4
src/include/catalog/pg_aggregate.h
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@ -7,7 +7,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_aggregate.h,v 1.17 1998/09/01 04:34:45 momjian Exp $
* $Id: pg_aggregate.h,v 1.18 1998/12/08 06:18:11 thomas Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
@ -115,6 +115,7 @@ DATA(insert OID = 0 ( max PGUID float8larger - - 1084 1084 0 1084 _null_ _null_
DATA(insert OID = 0 ( max PGUID cashlarger - - 790 790 0 790 _null_ _null_ ));
DATA(insert OID = 0 ( max PGUID datetime_larger - - 1184 1184 0 1184 _null_ _null_ ));
DATA(insert OID = 0 ( max PGUID timespan_larger - - 1186 1186 0 1186 _null_ _null_ ));
DATA(insert OID = 0 ( max PGUID text_larger - - 25 25 0 25 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID int8smaller - - 20 20 0 20 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID int4smaller - - 23 23 0 23 _null_ _null_ ));
@ -127,6 +128,7 @@ DATA(insert OID = 0 ( min PGUID float8smaller - - 1084 1084 0 1084 _null_ _null
DATA(insert OID = 0 ( min PGUID cashsmaller - - 790 790 0 790 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID datetime_smaller - - 1184 1184 0 1184 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID timespan_smaller - - 1186 1186 0 1186 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID text_smaller - - 25 25 0 25 _null_ _null_ ));
DATA(insert OID = 0 ( count PGUID - int4inc - 0 0 23 23 _null_ 0 ));

42
src/include/catalog/pg_proc.h
View File

@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_proc.h,v 1.84 1998/11/17 14:36:51 thomas Exp $
* $Id: pg_proc.h,v 1.85 1998/12/08 06:18:11 thomas Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -435,11 +435,11 @@ DESCR("subtract");
DATA(insert OID = 207 ( float4abs PGUID 11 f t f 1 f 700 "700 700" 100 0 0 100 foo bar ));
DESCR("absolute value");
DATA(insert OID = 208 ( float4inc PGUID 11 f t f 1 f 700 "700" 100 0 0 100 foo bar ));
DESCR("");
DESCR("increment");
DATA(insert OID = 209 ( float4larger PGUID 11 f t f 2 f 700 "700 700" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 211 ( float4smaller PGUID 11 f t f 2 f 700 "700 700" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 212 ( int4um PGUID 11 f t f 1 f 23 "23" 100 0 0 100 foo bar ));
DESCR("subtract");
@ -463,11 +463,11 @@ DESCR("subtract");
DATA(insert OID = 221 ( float8abs PGUID 11 f t f 1 f 701 "701" 100 0 0 100 foo bar ));
DESCR("absolute value");
DATA(insert OID = 222 ( float8inc PGUID 11 f t f 1 f 701 "701" 100 0 0 100 foo bar ));
DESCR("");
DESCR("increment");
DATA(insert OID = 223 ( float8larger PGUID 11 f t f 2 f 701 "701 701" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 224 ( float8smaller PGUID 11 f t f 2 f 701 "701 701" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 225 ( lseg_center PGUID 11 f t f 1 f 600 "601" 100 0 0 100 foo bar ));
DESCR("center of");
@ -827,14 +827,18 @@ DATA(insert OID = 452 ( hashfloat8 PGUID 11 f t f 2 f 23 "701 701" 100 0 0
DESCR("hash");
DATA(insert OID = 453 ( hashoid PGUID 11 f t f 2 f 23 "26 26" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 457 ( hashoid8 PGUID 11 f t f 2 f 23 "30 30" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 454 ( hashchar PGUID 11 f t f 2 f 23 "18 18" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 455 ( hashname PGUID 11 f t f 2 f 23 "19 19" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 456 ( hashtext PGUID 11 f t f 2 f 23 "25 25" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 457 ( hashoid8 PGUID 11 f t f 2 f 23 "30 30" 100 0 0 100 foo bar ));
DESCR("hash");
DATA(insert OID = 458 ( text_larger PGUID 11 f t f 2 f 25 "25 25" 100 0 0 100 foo bar ));
DESCR("larger of two");
DATA(insert OID = 459 ( text_smaller PGUID 11 f t f 2 f 25 "25 25" 100 0 0 100 foo bar ));
DESCR("smaller of two");
DATA(insert OID = 460 ( int8in PGUID 11 f t f 1 f 20 "0" 100 0 0 100 foo bar ));
DESCR("(internal)");
@ -1011,9 +1015,9 @@ DATA(insert OID = 765 ( lo_export PGUID 11 f t f 2 f 23 "26 25" 100 0 0 100
DESCR("large object export");
DATA(insert OID = 766 ( int4inc PGUID 11 f t f 1 f 23 "23" 100 0 0 100 foo bar ));
DESCR("");
DESCR("increment");
DATA(insert OID = 767 ( int2inc PGUID 11 f t f 1 f 21 "21" 100 0 0 100 foo bar ));
DESCR("");
DESCR("increment");
DATA(insert OID = 768 ( int4larger PGUID 11 f t f 2 f 23 "23 23" 100 0 0 100 foo bar ));
DESCR("larger of two");
DATA(insert OID = 769 ( int4smaller PGUID 11 f t f 2 f 23 "23 23" 100 0 0 100 foo bar ));
@ -1153,9 +1157,9 @@ DESCR("multiply");
DATA(insert OID = 897 ( cash_div_flt8 PGUID 11 f t f 2 f 790 "790 701" 100 0 0 100 foo bar ));
DESCR("divide");
DATA(insert OID = 898 ( cashlarger PGUID 11 f t f 2 f 790 "790 790" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 899 ( cashsmaller PGUID 11 f t f 2 f 790 "790 790" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 919 ( flt8_mul_cash PGUID 11 f t f 2 f 790 "701 790" 100 0 0 100 foo bar ));
DESCR("multiply");
@ -1352,9 +1356,9 @@ DESCR("not equal");
DATA(insert OID = 1107 ( time_cmp PGUID 11 f t f 2 f 23 "1083 1083" 100 0 0 100 foo bar ));
DESCR("less-equal-greater");
DATA(insert OID = 1138 ( date_larger PGUID 11 f t f 2 f 1082 "1082 1082" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 1139 ( date_smaller PGUID 11 f t f 2 f 1082 "1082 1082" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 1140 ( date_mi PGUID 11 f t f 2 f 23 "1082 1082" 100 0 0 100 foo bar ));
DESCR("subtract");
DATA(insert OID = 1141 ( date_pli PGUID 11 f t f 2 f 1082 "1082 23" 100 0 0 100 foo bar ));
@ -1457,13 +1461,13 @@ DESCR("convert");
DATA(insert OID = 1194 ( timespan_reltime PGUID 11 f t f 1 f 703 "1186" 100 0 0 100 foo bar ));
DESCR("convert");
DATA(insert OID = 1195 ( datetime_smaller PGUID 11 f t f 2 f 1184 "1184 1184" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 1196 ( datetime_larger PGUID 11 f t f 2 f 1184 "1184 1184" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 1197 ( timespan_smaller PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 foo bar ));
DESCR("");
DESCR("smaller of two");
DATA(insert OID = 1198 ( timespan_larger PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 foo bar ));
DESCR("");
DESCR("larger of two");
DATA(insert OID = 1199 ( datetime_age PGUID 11 f t f 2 f 1186 "1184 1184" 100 0 0 100 foo bar ));
DESCR("date difference preserving months and years");

12
src/include/parser/parse_func.h
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@ -1,12 +1,12 @@
/*-------------------------------------------------------------------------
*
* catalog_utils.h--
* parse_func.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_func.h,v 1.12 1998/10/08 18:30:38 momjian Exp $
* $Id: parse_func.h,v 1.13 1998/12/08 06:18:27 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -42,12 +42,14 @@ typedef struct _CandidateList
struct _CandidateList *next;
} *CandidateList;
extern Node *ParseNestedFuncOrColumn(ParseState *pstate, Attr *attr,
extern Node *
ParseNestedFuncOrColumn(ParseState *pstate, Attr *attr,
int *curr_resno, int precedence);
extern Node *ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
extern Node *
ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
int *curr_resno, int precedence);
extern void
func_error(char *caller, char *funcname, int nargs, Oid *argtypes, char *msg);
func_error(char *caller, char *funcname, int nargs, Oid *argtypes, char *msg);
#endif /* PARSE_FUNC_H */

4
src/include/utils/builtins.h
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@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: builtins.h,v 1.70 1998/11/17 14:36:37 thomas Exp $
* $Id: builtins.h,v 1.71 1998/12/08 06:18:34 thomas Exp $
*
* NOTES
* This should normally only be included by fmgr.h.
@ -447,6 +447,8 @@ extern bool text_lt(text *arg1, text *arg2);
extern bool text_le(text *arg1, text *arg2);
extern bool text_gt(text *arg1, text *arg2);
extern bool text_ge(text *arg1, text *arg2);
extern text *text_larger(text *arg1, text *arg2);
extern text *text_smaller(text *arg1, text *arg2);
extern int32 textlen(text *arg);
extern int32 textoctetlen(text *arg);
extern int32 textpos(text *arg1, text *arg2);