bool TDBTBL::InitTableList(PGLOBAL g)
{
int n;
uint sln;
char *scs;
PTABLE tp, tabp;
PCOL colp;
PTBLDEF tdp = (PTBLDEF)To_Def;
PCATLG cat = To_Def->GetCat();
PHC hc = ((MYCAT*)cat)->GetHandler();
scs = hc->get_table()->s->connect_string.str;
sln = hc->get_table()->s->connect_string.length;
// PlugSetPath(filename, Tdbp->GetFile(g), Tdbp->GetPath());
for (n = 0, tp = tdp->Tablep; tp; tp = tp->GetNext()) {
if (TestFil(g, To_CondFil, tp)) {
tabp = new(g) XTAB(tp);
if (tabp->GetSrc()) {
// Table list is a list of connections
hc->get_table()->s->connect_string.str = (char*)tabp->GetName();
hc->get_table()->s->connect_string.length = strlen(tabp->GetName());
} // endif Src
// Get the table description block of this table
if (!(Tdbp = GetSubTable(g, tabp))) {
if (++Nbc > Maxerr)
return TRUE; // Error return
else
continue; // Skip this table
} else
RemoveNext(tabp); // To avoid looping
// We must allocate subtable columns before GetMaxSize is called
// because some (PLG, ODBC?) need to have their columns attached.
// Real initialization will be done later.
for (colp = Columns; colp; colp = colp->GetNext())
if (!colp->IsSpecial())
if (((PPRXCOL)colp)->Init(g, NULL) && !Accept)
return TRUE;
if (Tablist)
Tablist->Link(tabp);
else
Tablist = tabp;
n++;
} // endif filp
} // endfor tp
hc->get_table()->s->connect_string.str = scs;
hc->get_table()->s->connect_string.length = sln;
//NumTables = n;
To_CondFil = NULL; // To avoid doing it several times
return FALSE;
} // end of InitTableList
int TDBOCCUR::GetMaxSize(PGLOBAL g)
{
if (MaxSize < 0) {
if (!(Tdbp = GetSubTable(g, ((POCCURDEF)To_Def)->Tablep, TRUE)))
return 0;
MaxSize = Mult * Tdbp->GetMaxSize(g);
} // endif MaxSize
return MaxSize;
} // end of GetMaxSize
bool TDBPRX::InitTable(PGLOBAL g)
{
if (!Tdbp) {
// Get the table description block of this table
if (!(Tdbp = GetSubTable(g, ((PPRXDEF)To_Def)->Tablep)))
return TRUE;
} // endif Tdbp
return FALSE;
} // end of InitTable
bool TDBPRX::InitTable(PGLOBAL g)
{
if (!Tdbp) {
// Get the table description block of this table
if (!(Tdbp = GetSubTable(g, ((PPRXDEF)To_Def)->Tablep)))
return true;
// Tdbp->SetMode(Mode);
} // endif Tdbp
return false;
} // end of InitTable
bool TDBOCCUR::InitTable(PGLOBAL g)
{
if (!Tdbp)
// Get the table description block of this table
if (!(Tdbp = GetSubTable(g, ((POCCURDEF)To_Def)->Tablep, TRUE)))
return TRUE;
if (!Tdbp->IsView())
if (MakeColumnList(g))
return TRUE;
return FALSE;
} // end of InitTable
bool TDBPIVOT::GetSourceTable(PGLOBAL g)
{
if (Tdbp)
return false; // Already done
if (!Tabsrc && Tabname) {
// Get the table description block of this table
if (!(Tdbp = GetSubTable(g, ((PPIVOTDEF)To_Def)->Tablep, true)))
return true;
if (!GBdone) {
char *colist;
PCOLDEF cdp;
if (FindDefaultColumns(g))
return true;
// Locate the suballocated colist (size is not known yet)
*(colist = (char*)PlugSubAlloc(g, NULL, 0)) = 0;
// Make the column list
for (cdp = To_Def->GetCols(); cdp; cdp = cdp->GetNext())
if (!cdp->GetOffset())
strcat(strcat(colist, cdp->GetName()), ", ");
// Add the Pivot column at the end of the list
strcat(colist, Picol);
// Now we know how much was suballocated
PlugSubAlloc(g, NULL, strlen(colist) + 1);
// Locate the source string (size is not known yet)
Tabsrc = (char*)PlugSubAlloc(g, NULL, 0);
// Start making the definition
strcat(strcat(strcpy(Tabsrc, "SELECT "), colist), ", ");
// Make it suitable for Pivot by doing the group by
strcat(strcat(Tabsrc, Function), "(");
strcat(strcat(strcat(Tabsrc, Fncol), ") "), Fncol);
strcat(strcat(Tabsrc, " FROM "), Tabname);
strcat(strcat(Tabsrc, " GROUP BY "), colist);
if (Tdbp->IsView()) // Until MariaDB bug is fixed
strcat(strcat(Tabsrc, " ORDER BY "), colist);
// Now we know how much was suballocated
PlugSubAlloc(g, NULL, strlen(Tabsrc) + 1);
} // endif !GBdone
} else if (!Tabsrc) {
strcpy(g->Message, MSG(SRC_TABLE_UNDEF));
return true;
} // endif
if (Tabsrc) {
// Get the new table description block of this source table
PTABLE tablep = new(g) XTAB("whatever", Tabsrc);
tablep->SetQualifier(Database);
if (!(Tdbp = GetSubTable(g, tablep, true)))
return true;
} // endif Tabsrc
return false;
} // end of GetSourceTable