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Teach convert_to_scalar about datatypes timetz, inet, cidr, macaddr.

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This commit is contained in:
Tom Lane
2001-06-09 22:16:18 +00:00
parent e8637ec9de
commit 202548d6cc
3 changed files with 76 additions and 3 deletions
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24
src/backend/utils/adt/selfuncs.c
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@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.92 2001/06/05 05:26:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.93 2001/06/09 22:16:18 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1326,6 +1326,9 @@ icnlikejoinsel(PG_FUNCTION_ARGS)
* scale needed by scalarltsel()/scalargtsel().
* Returns "true" if successful.
*
* XXX this routine is a hack: ideally we should look up the conversion
* subroutines in pg_type.
*
* All numeric datatypes are simply converted to their equivalent
* "double" values. XXX what about NUMERIC values that are outside
* the range of "double"?
@ -1398,10 +1401,22 @@ convert_to_scalar(Datum value, Oid valuetypid, double *scaledvalue,
case RELTIMEOID:
case TINTERVALOID:
case TIMEOID:
case TIMETZOID:
*scaledvalue = convert_timevalue_to_scalar(value, valuetypid);
*scaledlobound = convert_timevalue_to_scalar(lobound, boundstypid);
*scaledhibound = convert_timevalue_to_scalar(hibound, boundstypid);
return true;
/*
* Built-in network types
*/
case INETOID:
case CIDROID:
case MACADDROID:
*scaledvalue = convert_network_to_scalar(value, valuetypid);
*scaledlobound = convert_network_to_scalar(lobound, boundstypid);
*scaledhibound = convert_network_to_scalar(hibound, boundstypid);
return true;
}
/* Don't know how to convert */
return false;
@ -1694,6 +1709,13 @@ convert_timevalue_to_scalar(Datum value, Oid typid)
}
case TIMEOID:
return DatumGetTimeADT(value);
case TIMETZOID:
{
TimeTzADT *timetz = DatumGetTimeTzADTP(value);
/* use GMT-equivalent time */
return (double) (timetz->time + timetz->zone);
}
}
/*