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MOdifiche alla set_body_key

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git-svn-id: svn://10.65.10.50/trunk@4540 c028cbd2-c16b-5b4b-a496-9718f37d4682
This commit is contained in:
alex 1997-06-06 10:32:05 +00:00
parent e5ed2843ef
commit a57c5678f1
2 changed files with 33 additions and 7 deletions
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36
include/multirec.cpp
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@ -1,5 +1,20 @@
#include <multirec.h>
void TMultiple_rectype::set_body_key(TRectype & rowrec)
{
const RecDes* recd = rowrec.rec_des(); // Descrizione del record della testata
const KeyDes& kd = recd->Ky[0]; // Elenco dei campi della chiave 1
// Copia tutti i campi chiave, tranne l'ultimo, in tutti i records
for (int i = kd.NkFields-2; i >= 0; i--)
{
const int nf = kd.FieldSeq[i] % MaxFields;
const RecFieldDes& rf = recd->Fd[nf];
const TString& val = get(rf.Name);
rowrec.renum_key(rf.Name, val);
}
}
void TMultiple_rectype::load_rows_file(int logicnum)
{
const int index = log2ind(logicnum);
@ -72,7 +87,9 @@ int TMultiple_rectype::write_rewrite(TBaseisamfile & f, bool re) const
do
{
err = TRectype::write(f);
} while (err == _isreinsert && ((TMultiple_rectype *)this)->renum());
if (err == _isreinsert && ((TMultiple_rectype *)this)->renum())
((TMultiple_rectype *)this)->renum_key();
} while (err == _isreinsert);
((TMultiple_rectype *)this)->_nuovo = (err != NOERR);
}
else
@ -119,11 +136,20 @@ TRecord_array & TMultiple_rectype::body(int logicnum) const
return (TRecord_array &) _files[index];
}
void TMultiple_rectype::renum_key(const char * kfield,const char * val)
void TMultiple_rectype::renum_key()
{
TRectype::renum_key(kfield, val); // Aggiorna testata
for (int i = _nfiles - 1; i >= 0 ; i--)
body(_logicnums[i]).renum_key(kfield, val); // Aggiorna righe
for (int i = _nfiles - 1; i >= 0 ; i--)
{
const int logicnum = _logicnums[i];
TRecord_array * b = (TRecord_array *) _files.objptr(i);
if (b)
{
TRectype * rec = new TRectype(b->key());
set_body_key(*rec);
b->set_key(rec); // Aggiorna righe
}
}
}

4
include/multirec.h
View File

@ -36,7 +36,7 @@ class TMultiple_rectype : public TAuto_variable_rectype
protected:
const TArray & files() const { return _files;}
// @ cmember funzione per costruire la chiave delle righe
virtual void set_body_key(TRectype & rowrec) pure;
virtual void set_body_key(TRectype & rowrec);
// @ cmember renumber la chiave del corpo
virtual bool renum() { return FALSE; }
virtual TRectype & get_body_record(int logicnum = 0) { return *(new TRectype(logicnum ? logicnum : _logicnums[0])); }
@ -75,7 +75,7 @@ public:
virtual void set_fields(TAuto_variable_rectype & rec) {}
virtual void reset_fields(TAuto_variable_rectype & rec) { rec.remove_field(); }
virtual void renum_key(const char * kfield,const char * val);
virtual void renum_key();
virtual TRectype & operator =(const TRectype & r);
virtual TRectype & operator =(const char * r);
virtual void zero(char c = '\0');