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-- ************************************************************
-- * Describe the backside of a patchfield slot
-- ************************************************************
create function pslot_backlink_view(bpchar)
returns text as '
<<outer>>
declare
rec record;
bltype char(2);
retval text;
begin
select into rec * from PSlot where slotname = $1;
if not found then
return '''';
end if;
if rec.backlink = '''' then
return ''-'';
end if;
bltype := substr(rec.backlink, 1, 2);
if bltype = ''PL'' then
declare
rec record;
begin
select into rec * from PLine where slotname = outer.rec.backlink;
retval := ''Phone line '' || trim(rec.phonenumber);
if rec.comment != '''' then
retval := retval || '' ('';
retval := retval || rec.comment;
retval := retval || '')'';
end if;
return retval;
end;
end if;
if bltype = ''WS'' then
select into rec * from WSlot where slotname = rec.backlink;
retval := trim(rec.slotname) || '' in room '';
retval := retval || trim(rec.roomno);
retval := retval || '' -> '';
return retval || wslot_slotlink_view(rec.slotname);
end if;
return rec.backlink;
end;
' language 'plpgsql';
-- ************************************************************
-- * Describe the front of a patchfield slot
-- ************************************************************
create function pslot_slotlink_view(bpchar)
returns text as '
declare
psrec record;
sltype char(2);
retval text;
begin
select into psrec * from PSlot where slotname = $1;
if not found then
return '''';
end if;
if psrec.slotlink = '''' then
return ''-'';
end if;
sltype := substr(psrec.slotlink, 1, 2);
if sltype = ''PS'' then
retval := trim(psrec.slotlink) || '' -> '';
return retval || pslot_backlink_view(psrec.slotlink);
end if;
if sltype = ''HS'' then
retval := comment from Hub H, HSlot HS
where HS.slotname = psrec.slotlink
and H.name = HS.hubname;
retval := retval || '' slot '';
retval := retval || slotno::text from HSlot
where slotname = psrec.slotlink;
return retval;
end if;
return psrec.slotlink;
end;
' language 'plpgsql';
-- ************************************************************
-- * Describe the front of a wall connector slot
-- ************************************************************
create function wslot_slotlink_view(bpchar)
returns text as '
declare
rec record;
sltype char(2);
retval text;
begin
select into rec * from WSlot where slotname = $1;
if not found then
return '''';
end if;
if rec.slotlink = '''' then
return ''-'';
end if;
sltype := substr(rec.slotlink, 1, 2);
if sltype = ''PH'' then
select into rec * from PHone where slotname = rec.slotlink;
retval := ''Phone '' || trim(rec.slotname);
if rec.comment != '''' then
retval := retval || '' ('';
retval := retval || rec.comment;
retval := retval || '')'';
end if;
return retval;
end if;
if sltype = ''IF'' then
declare
syrow System%RowType;
ifrow IFace%ROWTYPE;
begin
select into ifrow * from IFace where slotname = rec.slotlink;
select into syrow * from System where name = ifrow.sysname;
retval := syrow.name || '' IF '';
retval := retval || ifrow.ifname;
if syrow.comment != '''' then
retval := retval || '' ('';
retval := retval || syrow.comment;
retval := retval || '')'';
end if;
return retval;
end;
end if;
return rec.slotlink;
end;
' language 'plpgsql';
-- ************************************************************
-- * View of a patchfield describing backside and patches
-- ************************************************************
create view Pfield_v1 as select PF.pfname, PF.slotname,
pslot_backlink_view(PF.slotname) as backside,
pslot_slotlink_view(PF.slotname) as patch
from PSlot PF;
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