std::pair<int, std::string> KNRebuild::Run() throw(DatabaseRCException)
{
pair<int, string> res;
if(table_test->IsEmptyRCTable()) {
res.first = 0;
res.second = string("RC Table could not be read.");
return res;
}
RCTable& rct = table_test->GetRCTable();
RCAttr* rca = rct.GetAttr(column_number);
char s[1024];
try {
IBFile ib_f;
if (rca->PackType() == PackN) {
sprintf(s, "%s.%d.%d.rsi", (knfolder_path + DIR_SEPARATOR_STRING + string("HIST")).c_str(), rct.GetID(), column_number);
RSIndex_Hist kn;
if(DoesFileExist(string(s)))
ib_f.OpenReadOnly(string(s));
else {
res.first = 0;
res.second = string("Histogram for column " + boost::lexical_cast<string>(column_number) + string(" not found."));
return res;
}
kn.Load(&ib_f, rca->GetCurReadLocation());
if(kn.NoObj()!=0 && (kn.GetFixed() != ATI::IsFixedNumericType(rca->TypeName()))) {
res.first = 2;
res.second = string("Value of RCAttr::fixed parameter in histogram is inconsistent with column type.");
return res;
} else {
res.first = 1;
res.second = string("");
return res;
}
} else if(rca->PackType() == PackS) {
res.first = 0;
res.second = string("");
return res;
} else {
res.first = 0;
res.second = string("No KNs for column ") + string(rct.AttrName(column_number)) + string(" found.");
return res;
}
} catch(DatabaseRCException& e) {
res.first = 2;
res.second = string("Error") + e.what();
return res;
}
return res;
}
std::pair<int, std::string> TestOfKNsConsistencyLight::Run() throw(DatabaseRCException)
{
pair<int, string> res;
if(table_test->IsEmptyRCTable()) {
res.first = 0;
res.second = string("RC Table could not be read.");
return res;
}
RCTable& rct = table_test->GetRCTable();
RCAttr* rca = rct.GetAttr(column_number);
string kn_type, kn_name;
if (rca->PackType() == PackN){
kn_type = string("HIST");
kn_name = string("Histogram");
} else {
kn_type = string("CMAP");
kn_name = string("CMap");
}
char s[1024];
try {
IBFile ib_f;
sprintf(s, (knfolder_path + DIR_SEPARATOR_CHAR + string("%s.%d.%d.rsi")).c_str(), kn_type.c_str(), rca->table_number, column_number);
if(DoesFileExist(string(s))) {
ib_f.OpenReadOnly(string(s));
if(ib_f.Seek(0,SEEK_END)==0){
res.first = 2;
res.second = string(kn_name + string(" file is zero-length for this column."));
return res;
}
}
else {
bool should_exist = false;
if(rca->PackType() == PackN) {
for(int p = 0; !should_exist && p < rca->NoPack(); p++)
if (rca->GetNoNulls(p) < rca->GetNoValues(p) && rca->GetMinInt64(p) != rca->GetMaxInt64(p))
should_exist = true;
} else if (rca->PackType() == PackS && !RequiresUTFConversions(rca->Type().GetCollation())) {
for(int p = 0; !should_exist && p < rca->NoPack(); p++)
if (rca->GetNoNulls(p) < rca->GetNoValues(p))
should_exist = true;
}
if (should_exist) {
res.first = 0;
res.second = kn_name + string(" for column " + boost::lexical_cast<string>(column_number) + string(" not found."));
return res;
} else {
res.first = 1;
res.second = string("");
return res;
}
}
if(rca->PackType() == PackN){
RSIndex_Hist kn;
kn.Load(&ib_f, rca->GetCurReadLocation());
// check consistency of number of objects in dpn vs kn
// deprecated
//if((kn->NoObj()!=0) && (rca->NoObj() < kn->NoObj())) {
// res.first = 3;
// res.second = string("Number of objects in ") + kn_name + string(" exceed number of objects in DPN.");
// return res;
//}
if(kn.NoObj()!=0 &&
( (!rct.IsLookup(column_number) && (ATI::IsFixedNumericType(rca->TypeName()) || ATI::IsDateTimeType(rca->TypeName())) != kn.GetFixed()) ||
(rct.IsLookup(column_number) && kn.GetFixed() != 1) )) {
res.first = 2;
res.second = string("Value of RCAttr::fixed parameter in histogram is inconsistent with column type.");
return res;
}
} else if (rca->PackType() == PackS) {
RSIndex_CMap kn;
kn.Load(&ib_f, rca->GetCurReadLocation());
// check consistency of number of objects in dpn vs kn
// deprecated
//if((kn->NoObj()!=0) && (rca->NoObj() < kn->NoObj())) {
// res.first = 3;
// res.second = string("Number of objects in ") + kn_name + string(" exceed number of objects in DPN.");
// return res;
//}
} else {
res.first = 0;
res.second = string("No KNs for column ") + string(rct.AttrName(column_number)) + string(" found.");
return res;
}
res.first = 1;
res.second = string("");
return res;
} catch(DatabaseRCException&) {
res.first = 2;
res.second = kn_name + string(" file for column ") + string(rct.AttrName(column_number)) + string(" could not be read.");
return res;
}
return res;
}