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Latest round of fmgr updates. All functions with bool,char, or int2

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inputs have been converted to newstyle.  This should go a long way towards
fixing our portability problems with platforms where char and short
parameters are passed differently from int-width parameters.  Still
more to do for the Alpha port however.
This commit is contained in:
Tom Lane
2000-06-05 07:29:25 +00:00
parent c61db5ba2d
commit 48165ec226
47 changed files with 2201 additions and 2034 deletions
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21
src/backend/utils/adt/acl.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.45 2000/04/12 17:15:47 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.46 2000/06/05 07:28:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -21,6 +21,7 @@
#include "catalog/pg_type.h"
#include "lib/stringinfo.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/memutils.h"
#include "utils/syscache.h"
@@ -268,7 +269,6 @@ aclitemout(AclItem *aip)
static AclItem default_aclitem = {ACL_ID_WORLD,
ACL_IDTYPE_WORLD,
ACL_WORLD_DEFAULT};
extern char *int2out();
char *tmpname;
if (!aip)
@@ -287,20 +287,11 @@ aclitemout(AclItem *aip)
0, 0, 0);
if (!HeapTupleIsValid(htup))
{
char *tmp = int2out(aip->ai_id);
#ifdef NOT_USED
When this elog(NOTICE) goes to the libpq client,
it crashes the
client because the NOTICE protocol is coming right in the middle
of a request for a field value.We skip the NOTICE for now.
elog(NOTICE, "aclitemout: usesysid %d not found",
aip->ai_id);
#endif
/* Generate numeric UID if we don't find an entry */
char *tmp;
tmp = DatumGetCString(DirectFunctionCall1(int4out,
Int32GetDatum((int32) aip->ai_id)));
strcat(p, tmp);
pfree(tmp);
}

159
src/backend/utils/adt/bool.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/bool.c,v 1.22 2000/02/10 19:51:39 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/bool.c,v 1.23 2000/06/05 07:28:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -29,43 +29,45 @@
*
* In the switch statement, check the most-used possibilities first.
*/
bool
boolin(char *b)
Datum
boolin(PG_FUNCTION_ARGS)
{
char *b = PG_GETARG_CSTRING(0);
switch (*b)
{
case 't':
case 'T':
if (strncasecmp(b, "true", strlen(b)) == 0)
return TRUE;
PG_RETURN_BOOL(true);
break;
case 'f':
case 'F':
if (strncasecmp(b, "false", strlen(b)) == 0)
return FALSE;
PG_RETURN_BOOL(false);
break;
case 'y':
case 'Y':
if (strncasecmp(b, "yes", strlen(b)) == 0)
return TRUE;
PG_RETURN_BOOL(true);
break;
case '1':
if (strncasecmp(b, "1", strlen(b)) == 0)
return TRUE;
PG_RETURN_BOOL(true);
break;
case 'n':
case 'N':
if (strncasecmp(b, "no", strlen(b)) == 0)
return FALSE;
PG_RETURN_BOOL(false);
break;
case '0':
if (strncasecmp(b, "0", strlen(b)) == 0)
return FALSE;
PG_RETURN_BOOL(false);
break;
default:
@@ -73,72 +75,143 @@ boolin(char *b)
}
elog(ERROR, "Bad boolean external representation '%s'", b);
/* not reached */
return FALSE;
} /* boolin() */
PG_RETURN_BOOL(false);
}
/*
* boolout - converts 1 or 0 to "t" or "f"
*/
char *
boolout(bool b)
Datum
boolout(PG_FUNCTION_ARGS)
{
bool b = PG_GETARG_BOOL(0);
char *result = (char *) palloc(2);
*result = (b) ? 't' : 'f';
result[0] = (b) ? 't' : 'f';
result[1] = '\0';
return result;
} /* boolout() */
PG_RETURN_CSTRING(result);
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/
bool
booleq(bool arg1, bool arg2)
Datum
booleq(PG_FUNCTION_ARGS)
{
return arg1 == arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 == arg2);
}
bool
boolne(bool arg1, bool arg2)
Datum
boolne(PG_FUNCTION_ARGS)
{
return arg1 != arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 != arg2);
}
bool
boollt(bool arg1, bool arg2)
Datum
boollt(PG_FUNCTION_ARGS)
{
return arg1 < arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 < arg2);
}
bool
boolgt(bool arg1, bool arg2)
Datum
boolgt(PG_FUNCTION_ARGS)
{
return arg1 > arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 > arg2);
}
bool
boolle(bool arg1, bool arg2)
Datum
boolle(PG_FUNCTION_ARGS)
{
return arg1 <= arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 <= arg2);
}
bool
boolge(bool arg1, bool arg2)
Datum
boolge(PG_FUNCTION_ARGS)
{
return arg1 >= arg2;
bool arg1 = PG_GETARG_BOOL(0);
bool arg2 = PG_GETARG_BOOL(1);
PG_RETURN_BOOL(arg1 >= arg2);
}
bool
istrue(bool arg1)
{
return arg1 == TRUE;
} /* istrue() */
/*
* Per SQL92, istrue() and isfalse() should return false, not NULL,
* when presented a NULL input (since NULL is our implementation of
* UNKNOWN). Conversely isnottrue() and isnotfalse() should return true.
* Therefore, these routines are all declared not-strict in pg_proc
* and must do their own checking for null inputs.
*
* Note we don't need isunknown() and isnotunknown() functions, since
* nullvalue() and nonnullvalue() will serve.
*/
bool
isfalse(bool arg1)
Datum
istrue(PG_FUNCTION_ARGS)
{
return arg1 != TRUE;
} /* isfalse() */
bool b;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(false);
b = PG_GETARG_BOOL(0);
PG_RETURN_BOOL(b);
}
Datum
isfalse(PG_FUNCTION_ARGS)
{
bool b;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(false);
b = PG_GETARG_BOOL(0);
PG_RETURN_BOOL(! b);
}
Datum
isnottrue(PG_FUNCTION_ARGS)
{
bool b;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(true);
b = PG_GETARG_BOOL(0);
PG_RETURN_BOOL(! b);
}
Datum
isnotfalse(PG_FUNCTION_ARGS)
{
bool b;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(true);
b = PG_GETARG_BOOL(0);
PG_RETURN_BOOL(b);
}

76
src/backend/utils/adt/cash.c
View File

@@ -9,7 +9,7 @@
* workings can be found in the book "Software Solutions in C" by
* Dale Schumacher, Academic Press, ISBN: 0-12-632360-7.
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.36 2000/05/16 20:48:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.37 2000/06/05 07:28:51 tgl Exp $
*/
#include <limits.h>
@@ -35,6 +35,24 @@ static struct lconv *lconvert = NULL;
#endif
/*
* Cash is a pass-by-ref SQL type, so we must pass and return pointers.
* These macros and support routine hide the pass-by-refness.
*/
#define PG_GETARG_CASH(n) (* ((Cash *) DatumGetPointer(fcinfo->arg[n])))
#define PG_RETURN_CASH(x) return CashGetDatum(x)
static Datum
CashGetDatum(Cash value)
{
Cash *result = (Cash *) palloc(sizeof(Cash));
*result = value;
return PointerGetDatum(result);
}
/* cash_in()
* Convert a string to a cash data type.
* Format is [$]###[,]###[.##]
@@ -573,32 +591,30 @@ cash_div_int4(Cash *c, int4 i)
/* cash_mul_int2()
* Multiply cash by int2.
*/
Cash *
cash_mul_int2(Cash *c, int2 s)
Datum
cash_mul_int2(PG_FUNCTION_ARGS)
{
Cash *result;
if (!PointerIsValid(c))
return NULL;
if (!PointerIsValid(result = palloc(sizeof(Cash))))
elog(ERROR, "Memory allocation failed, can't multiply cash");
*result = ((s) * (*c));
return result;
} /* cash_mul_int2() */
Cash c = PG_GETARG_CASH(0);
int16 s = PG_GETARG_INT16(1);
Cash result;
result = c * s;
PG_RETURN_CASH(result);
}
/* int2_mul_cash()
* Multiply int2 by cash.
*/
Cash *
int2_mul_cash(int2 s, Cash *c)
Datum
int2_mul_cash(PG_FUNCTION_ARGS)
{
return cash_mul_int2(c, s);
} /* int2_mul_cash() */
int16 s = PG_GETARG_INT16(0);
Cash c = PG_GETARG_CASH(1);
Cash result;
result = s * c;
PG_RETURN_CASH(result);
}
/* cash_div_int2()
* Divide cash by int2.
@@ -606,25 +622,19 @@ int2_mul_cash(int2 s, Cash *c)
* XXX Don't know if rounding or truncating is correct behavior.
* Round for now. - tgl 97/04/15
*/
Cash *
cash_div_int2(Cash *c, int2 s)
Datum
cash_div_int2(PG_FUNCTION_ARGS)
{
Cash *result;
if (!PointerIsValid(c))
return NULL;
if (!PointerIsValid(result = palloc(sizeof(Cash))))
elog(ERROR, "Memory allocation failed, can't divide cash");
Cash c = PG_GETARG_CASH(0);
int16 s = PG_GETARG_INT16(1);
Cash result;
if (s == 0)
elog(ERROR, "cash_div: divide by 0 error");
*result = rint(*c / s);
return result;
} /* cash_div_int2() */
result = rint(c / s);
PG_RETURN_CASH(result);
}
/* cashlarger()
* Return larger of two cash values.

232
src/backend/utils/adt/char.c
View File

@@ -2,18 +2,19 @@
*
* char.c
* Functions for the built-in type "char".
* Functions for the built-in type "cid".
* Functions for the built-in type "cid" (what's that doing here?)
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.27 2000/01/26 05:57:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.28 2000/06/05 07:28:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "utils/builtins.h"
/*****************************************************************************
@@ -23,149 +24,194 @@
/*
* charin - converts "x" to 'x'
*/
int32
charin(char *ch)
Datum
charin(PG_FUNCTION_ARGS)
{
if (ch == NULL)
return (int32) '\0';
return (int32) *ch;
char *ch = PG_GETARG_CSTRING(0);
PG_RETURN_CHAR(ch[0]);
}
/*
* charout - converts 'x' to "x"
*/
char *
charout(int32 ch)
Datum
charout(PG_FUNCTION_ARGS)
{
char ch = PG_GETARG_CHAR(0);
char *result = (char *) palloc(2);
result[0] = (char) ch;
result[0] = ch;
result[1] = '\0';
return result;
PG_RETURN_CSTRING(result);
}
/*
* cidin - converts "..." to internal representation.
*
* NOTE: we must not use 'charin' because cid might be a non
* printable character...
*/
int32
cidin(char *s)
{
CommandId c;
if (s == NULL)
c = 0;
else
c = atoi(s);
return (int32) c;
}
/*
* cidout - converts a cid to "..."
*
* NOTE: we must no use 'charout' because cid might be a non
* printable character...
*/
char *
cidout(int32 c)
{
char *result;
CommandId c2;
result = palloc(12);
c2 = (CommandId) c;
sprintf(result, "%u", (unsigned) (c2));
return result;
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/
bool
chareq(int8 arg1, int8 arg2)
/*
* NOTE: comparisons are done as though char is unsigned (uint8).
* Arithmetic is done as though char is signed (int8).
*
* You wanted consistency?
*/
Datum
chareq(PG_FUNCTION_ARGS)
{
return arg1 == arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL(arg1 == arg2);
}
bool
charne(int8 arg1, int8 arg2)
Datum
charne(PG_FUNCTION_ARGS)
{
return arg1 != arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL(arg1 != arg2);
}
bool
charlt(int8 arg1, int8 arg2)
Datum
charlt(PG_FUNCTION_ARGS)
{
return (uint8) arg1 < (uint8) arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL((uint8) arg1 < (uint8) arg2);
}
bool
charle(int8 arg1, int8 arg2)
Datum
charle(PG_FUNCTION_ARGS)
{
return (uint8) arg1 <= (uint8) arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL((uint8) arg1 <= (uint8) arg2);
}
bool
chargt(int8 arg1, int8 arg2)
Datum
chargt(PG_FUNCTION_ARGS)
{
return (uint8) arg1 > (uint8) arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL((uint8) arg1 > (uint8) arg2);
}
bool
charge(int8 arg1, int8 arg2)
Datum
charge(PG_FUNCTION_ARGS)
{
return (uint8) arg1 >= (uint8) arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_BOOL((uint8) arg1 >= (uint8) arg2);
}
int8
charpl(int8 arg1, int8 arg2)
Datum
charpl(PG_FUNCTION_ARGS)
{
return arg1 + arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_CHAR((int8) arg1 + (int8) arg2);
}
int8
charmi(int8 arg1, int8 arg2)
Datum
charmi(PG_FUNCTION_ARGS)
{
return arg1 - arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_CHAR((int8) arg1 - (int8) arg2);
}
int8
charmul(int8 arg1, int8 arg2)
Datum
charmul(PG_FUNCTION_ARGS)
{
return arg1 * arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_CHAR((int8) arg1 * (int8) arg2);
}
int8
chardiv(int8 arg1, int8 arg2)
Datum
chardiv(PG_FUNCTION_ARGS)
{
return arg1 / arg2;
char arg1 = PG_GETARG_CHAR(0);
char arg2 = PG_GETARG_CHAR(1);
PG_RETURN_CHAR((int8) arg1 / (int8) arg2);
}
bool
cideq(int8 arg1, int8 arg2)
Datum
text_char(PG_FUNCTION_ARGS)
{
return arg1 == arg2;
text *arg1 = PG_GETARG_TEXT_P(0);
/* XXX what if arg1 has length zero? */
PG_RETURN_CHAR(*(VARDATA(arg1)));
}
int8
text_char(text *arg1)
Datum
char_text(PG_FUNCTION_ARGS)
{
return ((int8) *(VARDATA(arg1)));
}
char arg1 = PG_GETARG_CHAR(0);
text *result = palloc(VARHDRSZ + 1);
text *
char_text(int8 arg1)
{
text *result;
result = palloc(VARHDRSZ + 1);
VARSIZE(result) = VARHDRSZ + 1;
*(VARDATA(result)) = arg1;
return result;
PG_RETURN_TEXT_P(result);
}
/*****************************************************************************
* USER I/O ROUTINES *
*****************************************************************************/
/*
* cidin - converts CommandId to internal representation.
*/
Datum
cidin(PG_FUNCTION_ARGS)
{
char *s = PG_GETARG_CSTRING(0);
CommandId c;
c = atoi(s);
/* XXX assume that CommandId is 32 bits... */
PG_RETURN_INT32((int32) c);
}
/*
* cidout - converts a cid to external representation.
*/
Datum
cidout(PG_FUNCTION_ARGS)
{
/* XXX assume that CommandId is 32 bits... */
CommandId c = PG_GETARG_INT32(0);
char *result = (char *) palloc(16);
sprintf(result, "%u", (unsigned int) c);
PG_RETURN_CSTRING(result);
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/
Datum
cideq(PG_FUNCTION_ARGS)
{
/* XXX assume that CommandId is 32 bits... */
CommandId arg1 = PG_GETARG_INT32(0);
CommandId arg2 = PG_GETARG_INT32(1);
PG_RETURN_BOOL(arg1 == arg2);
}

79
src/backend/utils/adt/float.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.57 2000/04/12 17:15:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.58 2000/06/05 07:28:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -122,25 +122,6 @@ extern double rint(double x);
#define FLOAT8_MAX DBL_MAX
#define FLOAT8_MIN DBL_MIN
/*
* if FLOAT8_MIN and FLOAT8_MAX are the limits of the range a
* double can store, then how are we ever going to wind up
* with something stored in a double that is outside those
* limits? (and similarly for FLOAT4_{MIN,MAX}/float.)
* doesn't make sense to me, and it causes a
* floating point exception on linuxalpha, so UNSAFE_FLOATS
* it is.
* (maybe someone wanted to allow for values other than DBL_MIN/
* DBL_MAX for FLOAT8_MIN/FLOAT8_MAX?)
* --djm 12/12/96
* according to Richard Henderson this is a known bug in gcc on
* the Alpha. might as well leave the workaround in
* until the distributions are updated.
* --djm 12/16/96
*/
#if ( defined(linux) && defined(__alpha__) ) && !defined(UNSAFE_FLOATS)
#define UNSAFE_FLOATS
#endif
/*
check to see if a float4 val is outside of
@@ -844,19 +825,17 @@ dtoi4(float64 num)
/*
* dtoi2 - converts a float8 number to an int2 number
*/
int16
dtoi2(float64 num)
Datum
dtoi2(PG_FUNCTION_ARGS)
{
float8 num = PG_GETARG_FLOAT8(0);
int16 result;
if (!num)
return 0; /* fmgr will return NULL anyway */
if ((*num < SHRT_MIN) || (*num > SHRT_MAX))
if ((num < SHRT_MIN) || (num > SHRT_MAX))
elog(ERROR, "dtoi2: integer out of range");
result = rint(*num);
return result;
result = (int16) rint(num);
PG_RETURN_INT16(result);
}
@@ -878,15 +857,14 @@ i4tod(int32 num)
/*
* i2tod - converts an int2 number to a float8 number
*/
float64
i2tod(int16 num)
Datum
i2tod(PG_FUNCTION_ARGS)
{
float64 result;
int16 num = PG_GETARG_INT16(0);
float8 result;
result = (float64) palloc(sizeof(float64data));
*result = num;
return result;
result = num;
PG_RETURN_FLOAT8(result);
}
@@ -910,21 +888,19 @@ ftoi4(float32 num)
/*
* ftoi2 - converts a float8 number to an int2 number
* ftoi2 - converts a float4 number to an int2 number
*/
int16
ftoi2(float32 num)
Datum
ftoi2(PG_FUNCTION_ARGS)
{
float4 num = PG_GETARG_FLOAT4(0);
int16 result;
if (!num)
return 0; /* fmgr will return NULL anyway */
if ((*num < SHRT_MIN) || (*num > SHRT_MAX))
if ((num < SHRT_MIN) || (num > SHRT_MAX))
elog(ERROR, "ftoi2: integer out of range");
result = rint(*num);
return result;
result = (int16) rint(num);
PG_RETURN_INT16(result);
}
@@ -944,17 +920,16 @@ i4tof(int32 num)
/*
* i2tof - converts an int2 number to a float8 number
* i2tof - converts an int2 number to a float4 number
*/
float32
i2tof(int16 num)
Datum
i2tof(PG_FUNCTION_ARGS)
{
float32 result;
int16 num = PG_GETARG_INT16(0);
float4 result;
result = (float32) palloc(sizeof(float32data));
*result = num;
return result;
result = num;
PG_RETURN_FLOAT4(result);
}

10
src/backend/utils/adt/formatting.c
View File

@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
* formatting.c
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.8 2000/04/12 17:15:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.9 2000/06/05 07:28:51 tgl Exp $
*
*
* Portions Copyright (c) 1999-2000, PostgreSQL, Inc
@@ -4048,11 +4048,15 @@ int4_to_char(int32 value, text *fmt)
{
if (IS_MULTI(&Num))
{
orgnum = int4out(int4mul(value, (int32) pow((double) 10, (double) Num.multi)));
orgnum = DatumGetCString(DirectFunctionCall1(int4out,
Int32GetDatum(value * ((int32) pow((double) 10, (double) Num.multi)))));
Num.pre += Num.multi;
}
else
orgnum = int4out(value);
{
orgnum = DatumGetCString(DirectFunctionCall1(int4out,
Int32GetDatum(value)));
}
len = strlen(orgnum);
if (*orgnum == '-')

86
src/backend/utils/adt/geo_selfuncs.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_selfuncs.c,v 1.15 2000/05/13 06:04:46 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_selfuncs.c,v 1.16 2000/06/05 07:28:52 tgl Exp $
*
* XXX These are totally bogus. Perhaps someone will make them do
* something reasonable, someday.
@@ -44,32 +44,16 @@
* Selectivity for operators that depend on area, such as "overlap".
*/
float64
areasel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
areasel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.02;
return result;
PG_RETURN_FLOAT8(0.02);
}
float64
areajoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
areajoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.02;
return result;
PG_RETURN_FLOAT8(0.02);
}
/*
@@ -79,32 +63,16 @@ areajoinsel(Oid opid,
* a given box?
*/
float64
positionsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
positionsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.1;
return result;
PG_RETURN_FLOAT8(0.1);
}
float64
positionjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
positionjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.1;
return result;
PG_RETURN_FLOAT8(0.1);
}
/*
@@ -114,30 +82,14 @@ positionjoinsel(Oid opid,
* estimate than areasel does.
*/
float64
contsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
contsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.01;
return result;
PG_RETURN_FLOAT8(0.01);
}
float64
contjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
contjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = 0.01;
return result;
PG_RETURN_FLOAT8(0.01);
}

769
src/backend/utils/adt/int.c
View File

File diff suppressed because it is too large Load Diff

73
src/backend/utils/adt/misc.c
View File

@@ -8,44 +8,39 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/misc.c,v 1.18 2000/01/26 05:57:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/misc.c,v 1.19 2000/06/05 07:28:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include <sys/types.h>
#include <sys/file.h>
#include <time.h>
#include "postgres.h"
#include "utils/builtins.h"
/*-------------------------------------------------------------------------
/*
* Check if data is Null
*/
bool
nullvalue(Datum value, bool *isNull)
Datum
nullvalue(PG_FUNCTION_ARGS)
{
if (*isNull)
{
*isNull = false;
return true;
}
return false;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(true);
PG_RETURN_BOOL(false);
}
/*----------------------------------------------------------------------*
* check if data is not Null *
*--------------------------------------------------------------------- */
bool
nonnullvalue(Datum value, bool *isNull)
/*
* Check if data is not Null
*/
Datum
nonnullvalue(PG_FUNCTION_ARGS)
{
if (*isNull)
{
*isNull = false;
return false;
}
return true;
if (PG_ARGISNULL(0))
PG_RETURN_BOOL(false);
PG_RETURN_BOOL(true);
}
/*
@@ -63,13 +58,18 @@ nonnullvalue(Datum value, bool *isNull)
static bool random_initialized = false;
bool
oidrand(Oid o, int32 X)
Datum
oidrand(PG_FUNCTION_ARGS)
{
/* XXX seems like we ought to be using the oid for something? */
#ifdef NOT_USED
Oid o = PG_GETARG_OID(0);
#endif
int32 X = PG_GETARG_INT32(1);
bool result;
if (X == 0)
return true;
PG_RETURN_BOOL(true);
/*
* We do this because the cancel key is actually a random, so we don't
@@ -83,26 +83,29 @@ oidrand(Oid o, int32 X)
}
result = (random() % X == 0);
return result;
PG_RETURN_BOOL(result);
}
/*
oidsrand(int32 X) -
seeds the random number generator
always return true
always returns true
*/
bool
oidsrand(int32 X)
Datum
oidsrand(PG_FUNCTION_ARGS)
{
int32 X = PG_GETARG_INT32(0);
srand(X);
random_initialized = true;
return true;
PG_RETURN_BOOL(true);
}
int32
userfntest(int i)
Datum
userfntest(PG_FUNCTION_ARGS)
{
return i;
int32 i = PG_GETARG_INT32(0);
PG_RETURN_INT32(i);
}

34
src/backend/utils/adt/numeric.c
View File

@@ -5,7 +5,7 @@
*
* 1998 Jan Wieck
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.27 2000/04/12 17:15:50 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.28 2000/06/05 07:28:52 tgl Exp $
*
* ----------
*/
@@ -33,6 +33,9 @@
* Local definitions
* ----------
*/
#define PG_GETARG_NUMERIC(n) ((Numeric) DatumGetPointer(fcinfo->arg[n]))
#define PG_RETURN_NUMERIC(x) return PointerGetDatum(x)
#ifndef MIN
#define MIN(a,b) (((a)<(b)) ? (a) : (b))
#endif
@@ -1714,7 +1717,8 @@ int4_numeric(int32 val)
init_var(&result);
tmp = int4out(val);
tmp = DatumGetCString(DirectFunctionCall1(int4out,
Int32GetDatum(val)));
set_var_from_str(tmp, &result);
res = make_result(&result);
@@ -1730,7 +1734,7 @@ numeric_int4(Numeric num)
{
NumericVar x;
char *str;
int32 result;
Datum result;
if (num == NULL)
return 0;
@@ -1749,7 +1753,7 @@ numeric_int4(Numeric num)
free_var(&x);
result = int4in(str);
result = DirectFunctionCall1(int4in, CStringGetDatum(str));
pfree(str);
return result;
@@ -1807,35 +1811,35 @@ numeric_int8(Numeric num)
}
Numeric
int2_numeric(int16 val)
Datum
int2_numeric(PG_FUNCTION_ARGS)
{
int16 val = PG_GETARG_INT16(0);
Numeric res;
NumericVar result;
char *tmp;
init_var(&result);
tmp = int2out(val);
tmp = DatumGetCString(DirectFunctionCall1(int2out,
Int16GetDatum(val)));
set_var_from_str(tmp, &result);
res = make_result(&result);
free_var(&result);
pfree(tmp);
return res;
PG_RETURN_NUMERIC(res);
}
int16
numeric_int2(Numeric num)
Datum
numeric_int2(PG_FUNCTION_ARGS)
{
Numeric num = PG_GETARG_NUMERIC(0);
NumericVar x;
char *str;
int16 result;
if (num == NULL)
return 0;
Datum result;
if (NUMERIC_IS_NAN(num))
elog(ERROR, "Cannot convert NaN to int2");
@@ -1851,7 +1855,7 @@ numeric_int2(Numeric num)
free_var(&x);
result = int2in(str);
result = DirectFunctionCall1(int2in, CStringGetDatum(str));
pfree(str);
return result;

193
src/backend/utils/adt/oid.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.34 2000/04/12 17:15:51 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.35 2000/06/05 07:28:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -26,17 +26,15 @@
* oidvectorin - converts "num num ..." to internal form
*
* Note:
* Fills any nonexistent digits with NULL oids.
* Fills any unsupplied positions with InvalidOid.
*/
Oid *
oidvectorin(char *oidString)
Datum
oidvectorin(PG_FUNCTION_ARGS)
{
char *oidString = PG_GETARG_CSTRING(0);
Oid *result;
int slot;
if (oidString == NULL)
return NULL;
result = (Oid *) palloc(sizeof(Oid[INDEX_MAX_KEYS]));
for (slot = 0; *oidString && slot < INDEX_MAX_KEYS; slot++)
@@ -53,30 +51,23 @@ oidvectorin(char *oidString)
if (*oidString)
elog(ERROR, "oidvector value has too many values");
while (slot < INDEX_MAX_KEYS)
result[slot++] = 0;
result[slot++] = InvalidOid;
return result;
PG_RETURN_POINTER(result);
}
/*
* oidvectorout - converts internal form to "num num ..."
*/
char *
oidvectorout(Oid *oidArray)
Datum
oidvectorout(PG_FUNCTION_ARGS)
{
Oid *oidArray = (Oid *) PG_GETARG_POINTER(0);
int num,
maxnum;
char *rp;
char *result;
if (oidArray == NULL)
{
result = (char *) palloc(2);
result[0] = '-';
result[1] = '\0';
return result;
}
/* find last non-zero value in vector */
for (maxnum = INDEX_MAX_KEYS - 1; maxnum >= 0; maxnum--)
if (oidArray[maxnum] != 0)
@@ -93,147 +84,177 @@ oidvectorout(Oid *oidArray)
;
}
*rp = '\0';
return result;
PG_RETURN_CSTRING(result);
}
Oid
oidin(char *s)
Datum
oidin(PG_FUNCTION_ARGS)
{
return int4in(s);
char *s = PG_GETARG_CSTRING(0);
/* XXX should use an unsigned-int conversion here */
return DirectFunctionCall1(int4in, CStringGetDatum(s));
}
char *
oidout(Oid o)
Datum
oidout(PG_FUNCTION_ARGS)
{
return int4out(o);
Oid o = PG_GETARG_OID(0);
/* XXX should use an unsigned-int conversion here */
return DirectFunctionCall1(int4out, ObjectIdGetDatum(o));
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/
/*
* If you change this function, change heap_keytest()
* because we have hardcoded this in there as an optimization
*/
bool
oideq(Oid arg1, Oid arg2)
Datum
oideq(PG_FUNCTION_ARGS)
{
return arg1 == arg2;
Oid arg1 = PG_GETARG_OID(0);
Oid arg2 = PG_GETARG_OID(1);
PG_RETURN_BOOL(arg1 == arg2);
}
bool
oidne(Oid arg1, Oid arg2)
Datum
oidne(PG_FUNCTION_ARGS)
{
return arg1 != arg2;
Oid arg1 = PG_GETARG_OID(0);
Oid arg2 = PG_GETARG_OID(1);
PG_RETURN_BOOL(arg1 != arg2);
}
bool
oidvectoreq(Oid *arg1, Oid *arg2)
Datum
oidvectoreq(PG_FUNCTION_ARGS)
{
return (bool) (memcmp(arg1, arg2, INDEX_MAX_KEYS * sizeof(Oid)) == 0);
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
PG_RETURN_BOOL(memcmp(arg1, arg2, INDEX_MAX_KEYS * sizeof(Oid)) == 0);
}
bool
oidvectorne(Oid *arg1, Oid *arg2)
Datum
oidvectorne(PG_FUNCTION_ARGS)
{
return (bool) (memcmp(arg1, arg2, INDEX_MAX_KEYS * sizeof(Oid)) != 0);
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
PG_RETURN_BOOL(memcmp(arg1, arg2, INDEX_MAX_KEYS * sizeof(Oid)) != 0);
}
bool
oidvectorlt(Oid *arg1, Oid *arg2)
Datum
oidvectorlt(PG_FUNCTION_ARGS)
{
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
int i;
for (i = 0; i < INDEX_MAX_KEYS; i++)
if (!int4eq(arg1[i], arg2[i]))
return int4lt(arg1[i], arg2[i]);
return false;
if (arg1[i] != arg2[i])
PG_RETURN_BOOL(arg1[i] < arg2[i]);
PG_RETURN_BOOL(false);
}
bool
oidvectorle(Oid *arg1, Oid *arg2)
Datum
oidvectorle(PG_FUNCTION_ARGS)
{
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
int i;
for (i = 0; i < INDEX_MAX_KEYS; i++)
if (!int4eq(arg1[i], arg2[i]))
return int4le(arg1[i], arg2[i]);
return true;
if (arg1[i] != arg2[i])
PG_RETURN_BOOL(arg1[i] <= arg2[i]);
PG_RETURN_BOOL(true);
}
bool
oidvectorge(Oid *arg1, Oid *arg2)
Datum
oidvectorge(PG_FUNCTION_ARGS)
{
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
int i;
for (i = 0; i < INDEX_MAX_KEYS; i++)
if (!int4eq(arg1[i], arg2[i]))
return int4ge(arg1[i], arg2[i]);
return true;
if (arg1[i] != arg2[i])
PG_RETURN_BOOL(arg1[i] >= arg2[i]);
PG_RETURN_BOOL(true);
}
bool
oidvectorgt(Oid *arg1, Oid *arg2)
Datum
oidvectorgt(PG_FUNCTION_ARGS)
{
Oid *arg1 = (Oid *) PG_GETARG_POINTER(0);
Oid *arg2 = (Oid *) PG_GETARG_POINTER(1);
int i;
for (i = 0; i < INDEX_MAX_KEYS; i++)
if (!int4eq(arg1[i], arg2[i]))
return int4gt(arg1[i], arg2[i]);
return false;
if (arg1[i] != arg2[i])
PG_RETURN_BOOL(arg1[i] > arg2[i]);
PG_RETURN_BOOL(false);
}
bool
oideqint4(Oid arg1, int32 arg2)
Datum
oideqint4(PG_FUNCTION_ARGS)
{
/* oid is unsigned, but int4 is signed */
return arg2 >= 0 && arg1 == arg2;
Oid arg1 = PG_GETARG_OID(0);
int32 arg2 = PG_GETARG_INT32(1);
/* oid is unsigned, but int4 is signed */
PG_RETURN_BOOL(arg2 >= 0 && arg1 == arg2);
}
bool
int4eqoid(int32 arg1, Oid arg2)
Datum
int4eqoid(PG_FUNCTION_ARGS)
{
/* oid is unsigned, but int4 is signed */
return arg1 >= 0 && arg1 == arg2;
int32 arg1 = PG_GETARG_INT32(0);
Oid arg2 = PG_GETARG_OID(1);
/* oid is unsigned, but int4 is signed */
PG_RETURN_BOOL(arg1 >= 0 && arg1 == arg2);
}
text *
oid_text(Oid oid)
Datum
oid_text(PG_FUNCTION_ARGS)
{
Oid oid = PG_GETARG_OID(0);
text *result;
int len;
char *str;
str = oidout(oid);
len = (strlen(str) + VARHDRSZ);
str = DatumGetCString(DirectFunctionCall1(oidout,
ObjectIdGetDatum(oid)));
len = strlen(str) + VARHDRSZ;
result = palloc(len);
result = (text *) palloc(len);
VARSIZE(result) = len;
memmove(VARDATA(result), str, (len - VARHDRSZ));
memcpy(VARDATA(result), str, (len - VARHDRSZ));
pfree(str);
return result;
} /* oid_text() */
PG_RETURN_TEXT_P(result);
}
Oid
text_oid(text *string)
Datum
text_oid(PG_FUNCTION_ARGS)
{
text *string = PG_GETARG_TEXT_P(0);
Oid result;
int len;
char *str;
len = (VARSIZE(string) - VARHDRSZ);
str = palloc(len + 1);
memmove(str, VARDATA(string), len);
memcpy(str, VARDATA(string), len);
*(str + len) = '\0';
result = oidin(str);
result = DatumGetObjectId(DirectFunctionCall1(oidin,
CStringGetDatum(str)));
pfree(str);
return result;
} /* oid_text() */
PG_RETURN_OID(result);
}

64
src/backend/utils/adt/regproc.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.55 2000/05/28 17:56:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.56 2000/06/05 07:28:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -34,17 +34,16 @@
*
* proid of '-' signifies unknown, for consistency with regprocout
*/
int32
regprocin(char *pro_name_or_oid)
Datum
regprocin(PG_FUNCTION_ARGS)
{
HeapTuple proctup = NULL;
char *pro_name_or_oid = PG_GETARG_CSTRING(0);
HeapTuple proctup;
HeapTupleData tuple;
RegProcedure result = InvalidOid;
if (pro_name_or_oid == NULL)
return InvalidOid;
if (pro_name_or_oid[0] == '-' && pro_name_or_oid[1] == '\0')
return InvalidOid;
PG_RETURN_OID(InvalidOid);
if (!IsIgnoringSystemIndexes())
{
@@ -57,7 +56,8 @@ regprocin(char *pro_name_or_oid)
pro_name_or_oid[0] <= '9')
{
proctup = SearchSysCacheTuple(PROCOID,
ObjectIdGetDatum(oidin(pro_name_or_oid)),
DirectFunctionCall1(oidin,
CStringGetDatum(pro_name_or_oid)),
0, 0, 0);
if (HeapTupleIsValid(proctup))
result = (RegProcedure) proctup->t_data->t_oid;
@@ -78,7 +78,7 @@ regprocin(char *pro_name_or_oid)
(bits16) 0x0,
(AttrNumber) 1,
(RegProcedure) F_NAMEEQ,
PointerGetDatum(pro_name_or_oid));
CStringGetDatum(pro_name_or_oid));
hdesc = heap_openr(ProcedureRelationName, AccessShareLock);
idesc = index_openr(ProcedureNameIndex);
@@ -125,7 +125,7 @@ regprocin(char *pro_name_or_oid)
(bits16) 0,
(AttrNumber) 1,
(RegProcedure) F_NAMEEQ,
(Datum) pro_name_or_oid);
CStringGetDatum(pro_name_or_oid));
procscan = heap_beginscan(proc, 0, SnapshotNow, 1, &key);
if (!HeapScanIsValid(procscan))
@@ -133,7 +133,7 @@ regprocin(char *pro_name_or_oid)
heap_close(proc, AccessShareLock);
elog(ERROR, "regprocin: could not begin scan of %s",
ProcedureRelationName);
return 0;
PG_RETURN_OID(InvalidOid);
}
proctup = heap_getnext(procscan, 0);
if (HeapTupleIsValid(proctup))
@@ -143,24 +143,25 @@ regprocin(char *pro_name_or_oid)
RelationGetDescr(proc),
&isnull);
if (isnull)
elog(FATAL, "regprocin: null procedure %s", pro_name_or_oid);
elog(ERROR, "regprocin: null procedure %s", pro_name_or_oid);
}
else
result = (RegProcedure) 0;
elog(ERROR, "No procedure with name %s", pro_name_or_oid);
heap_endscan(procscan);
heap_close(proc, AccessShareLock);
}
return (int32) result;
PG_RETURN_OID(result);
}
/*
* regprocout - converts proid to "pro_name"
*/
char *
regprocout(RegProcedure proid)
Datum
regprocout(PG_FUNCTION_ARGS)
{
RegProcedure proid = PG_GETARG_OID(0);
HeapTuple proctup;
char *result;
@@ -170,7 +171,7 @@ regprocout(RegProcedure proid)
{
result[0] = '-';
result[1] = '\0';
return result;
PG_RETURN_CSTRING(result);
}
if (!IsBootstrapProcessingMode())
@@ -203,7 +204,7 @@ regprocout(RegProcedure proid)
(bits16) 0,
(AttrNumber) ObjectIdAttributeNumber,
(RegProcedure) F_INT4EQ,
(Datum) proid);
ObjectIdGetDatum(proid));
procscan = heap_beginscan(proc, 0, SnapshotNow, 1, &key);
if (!HeapScanIsValid(procscan))
@@ -211,7 +212,6 @@ regprocout(RegProcedure proid)
heap_close(proc, AccessShareLock);
elog(ERROR, "regprocout: could not begin scan of %s",
ProcedureRelationName);
return 0;
}
proctup = heap_getnext(procscan, 0);
if (HeapTupleIsValid(proctup))
@@ -224,7 +224,7 @@ regprocout(RegProcedure proid)
if (!isnull)
StrNCpy(result, s, NAMEDATALEN);
else
elog(FATAL, "regprocout: null procedure %u", proid);
elog(ERROR, "regprocout: null procedure %u", proid);
}
else
{
@@ -235,7 +235,7 @@ regprocout(RegProcedure proid)
heap_close(proc, AccessShareLock);
}
return result;
PG_RETURN_CSTRING(result);
}
/*
@@ -245,21 +245,15 @@ regprocout(RegProcedure proid)
* OIDs are significant in the input vector, so that trailing InvalidOid
* argument types can be recognized.
*/
text *
oidvectortypes(Oid *oidArray)
Datum
oidvectortypes(PG_FUNCTION_ARGS)
{
Oid *oidArray = (Oid *) PG_GETARG_POINTER(0);
HeapTuple typetup;
text *result;
int numargs,
num;
if (oidArray == NULL)
{
result = (text *) palloc(VARHDRSZ);
VARSIZE(result) = 0;
return result;
}
/* Try to guess how many args there are :-( */
numargs = 0;
for (num = 0; num < FUNC_MAX_ARGS; num++)
@@ -289,7 +283,7 @@ oidvectortypes(Oid *oidArray)
strcat(VARDATA(result), "- ");
}
VARSIZE(result) = strlen(VARDATA(result)) + VARHDRSZ;
return result;
PG_RETURN_TEXT_P(result);
}
@@ -302,10 +296,12 @@ oidvectortypes(Oid *oidArray)
* Define RegprocToOid() as a macro in builtins.h.
* Referenced in pg_proc.h. - tgl 97/04/26
*/
Oid
regproctooid(RegProcedure rp)
Datum
regproctooid(PG_FUNCTION_ARGS)
{
return (Oid) rp;
RegProcedure rp = PG_GETARG_OID(0);
PG_RETURN_OID((Oid) rp);
}
/* (see int.c for comparison/operation routines) */

441
src/backend/utils/adt/selfuncs.c
View File

@@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.68 2000/05/30 04:24:51 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.69 2000/06/05 07:28:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -44,9 +44,6 @@
/* N is not a valid var/constant or relation id */
#define NONVALUE(N) ((N) == 0)
/* are we looking at a functional index selectivity request? */
#define FunctionalSelectivity(nIndKeys,attNum) ((attNum)==InvalidAttrNumber)
/* default selectivity estimate for equalities such as "A = b" */
#define DEFAULT_EQ_SEL 0.01
@@ -106,18 +103,18 @@ static Datum string_to_datum(const char *str, Oid datatype);
* of the given constant "value" may be different from the type of the
* attribute.
*/
float64
eqsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
eqsel(PG_FUNCTION_ARGS)
{
float64 result;
Oid opid = PG_GETARG_OID(0);
Oid relid = PG_GETARG_OID(1);
AttrNumber attno = PG_GETARG_INT16(2);
Datum value = PG_GETARG_DATUM(3);
int32 flag = PG_GETARG_INT32(4);
float8 result;
result = (float64) palloc(sizeof(float64data));
if (NONVALUE(attno) || NONVALUE(relid))
*result = DEFAULT_EQ_SEL;
result = DEFAULT_EQ_SEL;
else
{
Oid typid;
@@ -239,9 +236,9 @@ eqsel(Oid opid,
selec = get_attdisbursion(relid, attno, 0.01);
}
*result = (float64data) selec;
result = (float8) selec;
}
return result;
PG_RETURN_FLOAT8(result);
}
/*
@@ -251,18 +248,14 @@ eqsel(Oid opid,
* but have comparable selectivity behavior. See above comments
* for eqsel().
*/
float64
neqsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
neqsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = eqsel(opid, relid, attno, value, flag);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(eqsel(fcinfo));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
@@ -272,18 +265,18 @@ neqsel(Oid opid,
* convert_to_scalar(). If it is applied to some other datatype,
* it will return a default estimate.
*/
float64
scalarltsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
scalarltsel(PG_FUNCTION_ARGS)
{
float64 result;
Oid opid = PG_GETARG_OID(0);
Oid relid = PG_GETARG_OID(1);
AttrNumber attno = PG_GETARG_INT16(2);
Datum value = PG_GETARG_DATUM(3);
int32 flag = PG_GETARG_INT32(4);
float8 result;
result = (float64) palloc(sizeof(float64data));
if (!(flag & SEL_CONSTANT) || NONVALUE(attno) || NONVALUE(relid))
*result = DEFAULT_INEQ_SEL;
result = DEFAULT_INEQ_SEL;
else
{
HeapTuple oprtuple;
@@ -322,8 +315,7 @@ scalarltsel(Oid opid,
&loval, &hival))
{
/* no stats available, so default result */
*result = DEFAULT_INEQ_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_INEQ_SEL);
}
/* Convert the values to a uniform comparison scale. */
@@ -344,8 +336,7 @@ scalarltsel(Oid opid,
pfree(DatumGetPointer(hival));
pfree(DatumGetPointer(loval));
}
*result = DEFAULT_INEQ_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_INEQ_SEL);
}
/* release temp storage if needed */
@@ -364,7 +355,7 @@ scalarltsel(Oid opid,
* point the constant is on. But it seems better to assume
* that the stats are wrong and return a default...
*/
*result = DEFAULT_INEQ_SEL;
result = DEFAULT_INEQ_SEL;
}
else if (val < low || val > high)
{
@@ -375,9 +366,9 @@ scalarltsel(Oid opid,
* chance the stats are out of date.
*/
if (flag & SEL_RIGHT)
*result = (val < low) ? 0.001 : 0.999;
result = (val < low) ? 0.001 : 0.999;
else
*result = (val < low) ? 0.999 : 0.001;
result = (val < low) ? 0.999 : 0.001;
}
else
{
@@ -386,10 +377,10 @@ scalarltsel(Oid opid,
numerator = val - low;
else
numerator = high - val;
*result = numerator / denominator;
result = numerator / denominator;
}
}
return result;
PG_RETURN_FLOAT8(result);
}
/*
@@ -397,42 +388,37 @@ scalarltsel(Oid opid,
*
* See above comments for scalarltsel.
*/
float64
scalargtsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
scalargtsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
/*
* Compute selectivity of "<", then invert --- but only if we were
* able to produce a non-default estimate.
*/
result = scalarltsel(opid, relid, attno, value, flag);
if (*result != DEFAULT_INEQ_SEL)
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(scalarltsel(fcinfo));
if (result != DEFAULT_INEQ_SEL)
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* patternsel - Generic code for pattern-match selectivity.
*/
static float64
patternsel(Oid opid,
Pattern_Type ptype,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
static Datum
patternsel(PG_FUNCTION_ARGS, Pattern_Type ptype)
{
float64 result;
Oid opid = PG_GETARG_OID(0);
Oid relid = PG_GETARG_OID(1);
AttrNumber attno = PG_GETARG_INT16(2);
Datum value = PG_GETARG_DATUM(3);
int32 flag = PG_GETARG_INT32(4);
float8 result;
result = (float64) palloc(sizeof(float64data));
/* Must have a constant for the pattern, or cannot learn anything */
if ((flag & (SEL_CONSTANT | SEL_RIGHT)) != (SEL_CONSTANT | SEL_RIGHT))
*result = DEFAULT_MATCH_SEL;
result = DEFAULT_MATCH_SEL;
else
{
HeapTuple oprtuple;
@@ -469,7 +455,12 @@ patternsel(Oid opid,
if (eqopr == InvalidOid)
elog(ERROR, "patternsel: no = operator for type %u", ltype);
eqcon = string_to_datum(prefix, ltype);
result = eqsel(eqopr, relid, attno, eqcon, SEL_CONSTANT|SEL_RIGHT);
result = DatumGetFloat8(DirectFunctionCall5(eqsel,
ObjectIdGetDatum(eqopr),
ObjectIdGetDatum(relid),
Int16GetDatum(attno),
eqcon,
Int32GetDatum(SEL_CONSTANT|SEL_RIGHT)));
pfree(DatumGetPointer(eqcon));
}
else
@@ -494,125 +485,103 @@ patternsel(Oid opid,
selec = 0.0;
else if (selec > 1.0)
selec = 1.0;
*result = (float64data) selec;
result = (float8) selec;
}
if (prefix)
pfree(prefix);
pfree(patt);
}
return result;
PG_RETURN_FLOAT8(result);
}
/*
* regexeqsel - Selectivity of regular-expression pattern match.
*/
float64
regexeqsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
regexeqsel(PG_FUNCTION_ARGS)
{
return patternsel(opid, Pattern_Type_Regex, relid, attno, value, flag);
return patternsel(fcinfo, Pattern_Type_Regex);
}
/*
* icregexeqsel - Selectivity of case-insensitive regex match.
*/
float64
icregexeqsel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
icregexeqsel(PG_FUNCTION_ARGS)
{
return patternsel(opid, Pattern_Type_Regex_IC, relid, attno, value, flag);
return patternsel(fcinfo, Pattern_Type_Regex_IC);
}
/*
* likesel - Selectivity of LIKE pattern match.
*/
float64
likesel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
likesel(PG_FUNCTION_ARGS)
{
return patternsel(opid, Pattern_Type_Like, relid, attno, value, flag);
return patternsel(fcinfo, Pattern_Type_Like);
}
/*
* regexnesel - Selectivity of regular-expression pattern non-match.
*/
float64
regexnesel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
regexnesel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = patternsel(opid, Pattern_Type_Regex, relid, attno, value, flag);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(patternsel(fcinfo, Pattern_Type_Regex));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* icregexnesel - Selectivity of case-insensitive regex non-match.
*/
float64
icregexnesel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
icregexnesel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = patternsel(opid, Pattern_Type_Regex_IC, relid, attno, value, flag);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(patternsel(fcinfo, Pattern_Type_Regex_IC));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* nlikesel - Selectivity of LIKE pattern non-match.
*/
float64
nlikesel(Oid opid,
Oid relid,
AttrNumber attno,
Datum value,
int32 flag)
Datum
nlikesel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = patternsel(opid, Pattern_Type_Like, relid, attno, value, flag);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(patternsel(fcinfo, Pattern_Type_Like));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* eqjoinsel - Join selectivity of "="
*/
float64
eqjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
eqjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
float64data num1,
#ifdef NOT_USED
Oid opid = PG_GETARG_OID(0);
#endif
Oid relid1 = PG_GETARG_OID(1);
AttrNumber attno1 = PG_GETARG_INT16(2);
Oid relid2 = PG_GETARG_OID(3);
AttrNumber attno2 = PG_GETARG_INT16(4);
float8 result;
float8 num1,
num2,
min;
bool unknown1 = NONVALUE(relid1) || NONVALUE(attno1);
bool unknown2 = NONVALUE(relid2) || NONVALUE(attno2);
result = (float64) palloc(sizeof(float64data));
if (unknown1 && unknown2)
*result = DEFAULT_EQ_SEL;
result = DEFAULT_EQ_SEL;
else
{
num1 = unknown1 ? 1.0 : get_attdisbursion(relid1, attno1, 0.01);
@@ -637,162 +606,106 @@ eqjoinsel(Oid opid,
* about applying the operator to the most common values?
*/
min = (num1 < num2) ? num1 : num2;
*result = min;
result = min;
}
return result;
PG_RETURN_FLOAT8(result);
}
/*
* neqjoinsel - Join selectivity of "!="
*/
float64
neqjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
neqjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = eqjoinsel(opid, relid1, attno1, relid2, attno2);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(eqjoinsel(fcinfo));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* scalarltjoinsel - Join selectivity of "<" and "<=" for scalars
*/
float64
scalarltjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
scalarltjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = DEFAULT_INEQ_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_INEQ_SEL);
}
/*
* scalargtjoinsel - Join selectivity of ">" and ">=" for scalars
*/
float64
scalargtjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
scalargtjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = DEFAULT_INEQ_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_INEQ_SEL);
}
/*
* regexeqjoinsel - Join selectivity of regular-expression pattern match.
*/
float64
regexeqjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
regexeqjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = DEFAULT_MATCH_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_MATCH_SEL);
}
/*
* icregexeqjoinsel - Join selectivity of case-insensitive regex match.
*/
float64
icregexeqjoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
icregexeqjoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = DEFAULT_MATCH_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_MATCH_SEL);
}
/*
* likejoinsel - Join selectivity of LIKE pattern match.
*/
float64
likejoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
likejoinsel(PG_FUNCTION_ARGS)
{
float64 result;
result = (float64) palloc(sizeof(float64data));
*result = DEFAULT_MATCH_SEL;
return result;
PG_RETURN_FLOAT8(DEFAULT_MATCH_SEL);
}
/*
* regexnejoinsel - Join selectivity of regex non-match.
*/
float64
regexnejoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
regexnejoinsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = regexeqjoinsel(opid, relid1, attno1, relid2, attno2);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(regexeqjoinsel(fcinfo));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* icregexnejoinsel - Join selectivity of case-insensitive regex non-match.
*/
float64
icregexnejoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
icregexnejoinsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = icregexeqjoinsel(opid, relid1, attno1, relid2, attno2);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(icregexeqjoinsel(fcinfo));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
/*
* nlikejoinsel - Join selectivity of LIKE pattern non-match.
*/
float64
nlikejoinsel(Oid opid,
Oid relid1,
AttrNumber attno1,
Oid relid2,
AttrNumber attno2)
Datum
nlikejoinsel(PG_FUNCTION_ARGS)
{
float64 result;
float8 result;
result = likejoinsel(opid, relid1, attno1, relid2, attno2);
*result = 1.0 - *result;
return result;
result = DatumGetFloat8(likejoinsel(fcinfo));
result = 1.0 - result;
PG_RETURN_FLOAT8(result);
}
@@ -1563,8 +1476,12 @@ prefix_selectivity(char *prefix,
datatype);
prefixcon = string_to_datum(prefix, datatype);
/* Assume scalargtsel is appropriate for all supported types */
prefixsel = * scalargtsel(cmpopr, relid, attno,
prefixcon, SEL_CONSTANT|SEL_RIGHT);
prefixsel = DatumGetFloat8(DirectFunctionCall5(scalargtsel,
ObjectIdGetDatum(cmpopr),
ObjectIdGetDatum(relid),
Int16GetDatum(attno),
prefixcon,
Int32GetDatum(SEL_CONSTANT|SEL_RIGHT)));
pfree(DatumGetPointer(prefixcon));
/*
@@ -1582,8 +1499,12 @@ prefix_selectivity(char *prefix,
datatype);
prefixcon = string_to_datum(greaterstr, datatype);
/* Assume scalarltsel is appropriate for all supported types */
topsel = * scalarltsel(cmpopr, relid, attno,
prefixcon, SEL_CONSTANT|SEL_RIGHT);
topsel = DatumGetFloat8(DirectFunctionCall5(scalarltsel,
ObjectIdGetDatum(cmpopr),
ObjectIdGetDatum(relid),
Int16GetDatum(attno),
prefixcon,
Int32GetDatum(SEL_CONSTANT|SEL_RIGHT)));
pfree(DatumGetPointer(prefixcon));
pfree(greaterstr);
@@ -1966,13 +1887,16 @@ string_to_datum(const char *str, Oid datatype)
*-------------------------------------------------------------------------
*/
static void
genericcostestimate(Query *root, RelOptInfo *rel,
IndexOptInfo *index, List *indexQuals,
Cost *indexStartupCost,
Cost *indexTotalCost,
Selectivity *indexSelectivity)
static Datum
genericcostestimate(PG_FUNCTION_ARGS)
{
Query *root = (Query *) PG_GETARG_POINTER(0);
RelOptInfo *rel = (RelOptInfo *) PG_GETARG_POINTER(1);
IndexOptInfo *index = (IndexOptInfo *) PG_GETARG_POINTER(2);
List *indexQuals = (List *) PG_GETARG_POINTER(3);
Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(4);
Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(5);
Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(6);
double numIndexTuples;
double numIndexPages;
@@ -2007,52 +1931,35 @@ genericcostestimate(Query *root, RelOptInfo *rel,
*indexStartupCost = 0;
*indexTotalCost = numIndexPages +
(cpu_index_tuple_cost + cost_qual_eval(indexQuals)) * numIndexTuples;
/* No real return value ... */
PG_RETURN_POINTER(NULL);
}
/*
* For first cut, just use generic function for all index types.
*/
void
btcostestimate(Query *root, RelOptInfo *rel,
IndexOptInfo *index, List *indexQuals,
Cost *indexStartupCost,
Cost *indexTotalCost,
Selectivity *indexSelectivity)
Datum
btcostestimate(PG_FUNCTION_ARGS)
{
genericcostestimate(root, rel, index, indexQuals,
indexStartupCost, indexTotalCost, indexSelectivity);
return genericcostestimate(fcinfo);
}
void
rtcostestimate(Query *root, RelOptInfo *rel,
IndexOptInfo *index, List *indexQuals,
Cost *indexStartupCost,
Cost *indexTotalCost,
Selectivity *indexSelectivity)
Datum
rtcostestimate(PG_FUNCTION_ARGS)
{
genericcostestimate(root, rel, index, indexQuals,
indexStartupCost, indexTotalCost, indexSelectivity);
return genericcostestimate(fcinfo);
}
void
hashcostestimate(Query *root, RelOptInfo *rel,
IndexOptInfo *index, List *indexQuals,
Cost *indexStartupCost,
Cost *indexTotalCost,
Selectivity *indexSelectivity)
Datum
hashcostestimate(PG_FUNCTION_ARGS)
{
genericcostestimate(root, rel, index, indexQuals,
indexStartupCost, indexTotalCost, indexSelectivity);
return genericcostestimate(fcinfo);
}
void
gistcostestimate(Query *root, RelOptInfo *rel,
IndexOptInfo *index, List *indexQuals,
Cost *indexStartupCost,
Cost *indexTotalCost,
Selectivity *indexSelectivity)
Datum
gistcostestimate(PG_FUNCTION_ARGS)
{
genericcostestimate(root, rel, index, indexQuals,
indexStartupCost, indexTotalCost, indexSelectivity);
return genericcostestimate(fcinfo);
}

44
src/backend/utils/adt/varchar.c
View File

@@ -1,19 +1,20 @@
/*-------------------------------------------------------------------------
*
* varchar.c
* Functions for the built-in type char() and varchar().
* Functions for the built-in types char(n) and varchar(n).
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.62 2000/05/30 00:49:53 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.63 2000/06/05 07:28:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "catalog/pg_type.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
@@ -22,9 +23,10 @@
#include "mb/pg_wchar.h"
#endif
#ifdef CYR_RECODE
char *convertstr(char *, int, int);
#ifdef CYR_RECODE
/* XXX no points for style --- this is actually in utils/init/miscinit.c */
extern char *convertstr(char *, int, int);
#endif
@@ -34,7 +36,7 @@ char *convertstr(char *, int, int);
* VARCHAR is for storing string whose length is at most the length specified
* at CREATE TABLE time.
*
* It's hard to implement these types because we cannot figure out what
* It's hard to implement these types because we cannot figure out
* the length of the type from the type itself. I change (hopefully all) the
* fmgr calls that invoke input functions of a data type to supply the
* length also. (eg. in INSERTs, we have the tupleDescriptor which contains
@@ -44,8 +46,9 @@ char *convertstr(char *, int, int);
* must be null-terminated.
*
* We actually implement this as a varlena so that we don't have to pass in
* the length for the comparison functions. (The difference between "text"
* is that we truncate and possibly blank-pad the string at insertion time.)
* the length for the comparison functions. (The difference between these
* types and "text" is that we truncate and possibly blank-pad the string
* at insertion time.)
*
* - ay 6/95
*/
@@ -231,28 +234,33 @@ _bpchar(ArrayType *v, int32 len)
/* bpchar_char()
* Convert bpchar(1) to char.
*
* If input is multiple chars, only the first is returned.
*/
int32
bpchar_char(char *s)
Datum
bpchar_char(PG_FUNCTION_ARGS)
{
return (int32) *VARDATA(s);
} /* bpchar_char() */
struct varlena *s = PG_GETARG_BPCHAR_P(0);
PG_RETURN_CHAR(*VARDATA(s));
}
/* char_bpchar()
* Convert char to bpchar(1).
*/
char *
char_bpchar(int32 c)
Datum
char_bpchar(PG_FUNCTION_ARGS)
{
char *result;
char c = PG_GETARG_CHAR(0);
struct varlena *result;
result = palloc(VARHDRSZ + 1);
result = (struct varlena *) palloc(VARHDRSZ + 1);
VARSIZE(result) = VARHDRSZ + 1;
*(VARDATA(result)) = (char) c;
*(VARDATA(result)) = c;
return result;
} /* char_bpchar() */
PG_RETURN_BPCHAR_P(result);
}
/* bpchar_name()