void PgSQLTypeWidget::setAttributes(PgSQLType type, DatabaseModel *model, unsigned usr_type_conf, bool oid_types, bool pseudo_types)
{
try
{
int idx;
type_cmb->blockSignals(true);
listPgSQLTypes(type_cmb, model, usr_type_conf, oid_types, pseudo_types);
type_cmb->blockSignals(false);
//Get the passed type index
idx=type_cmb->findText(~type);
//Select the type on the combo
type_cmb->setCurrentIndex(idx);
length_sb->setValue(type.getLength());
precision_sb->setValue(type.getPrecision());
dimension_sb->setValue(type.getDimension());
idx=interval_cmb->findText(~(type.getIntervalType()));
interval_cmb->setCurrentIndex(idx);
timezone_chk->setChecked(type.isWithTimezone());
this->type=type;
updateTypeFormat();
}
catch(Exception &e)
{
throw Exception(e.getErrorMessage(),e.getErrorType(),__PRETTY_FUNCTION__,__FILE__,__LINE__, &e);
}
}
bool PgSQLType::canCastTo(PgSQLType type)
{
// If the types are the same of belongs to the same category they naturally can be casted
if(this->type_idx==type.type_idx ||
(isCharacterType() && type.isCharacterType()) ||
(isDateTimeType() && type.isDateTimeType()) ||
(isNumericType() && type.isNumericType()) ||
(isNetworkType() && type.isNetworkType()) ||
//Polymorphics anyarray, anyrange, anynoarray, anyenum to anyelement
((isPolymorphicType() && type==QString("anyelement")) ||
((*this)==QString("anyelement") && type.isPolymorphicType())) ||
//Character to network address
((isCharacterType() || isNetworkType()) &&
(type.isCharacterType() || type.isNetworkType())) ||
//Integer to OID
((isIntegerType() || isOIDType()) &&
(type.isIntegerType() || type.isOIDType())) ||
//abstime to integer
((((*this)==QString("integer") || (*this)==QString("int4")) && type==QString("abstime")) ||
(((*this)==QString("abstime") && (type==QString("integer") || type==QString("int4"))))))
return(true);
return(false);
}
void Type::setElement(PgSQLType elem)
{
if(PgSQLType::getUserTypeIndex(this->getName(true), this) == !elem)
throw Exception(Exception::getErrorMessage(ERR_USER_TYPE_SELF_REFERENCE).arg(this->getName(true)),
ERR_USER_TYPE_SELF_REFERENCE,__PRETTY_FUNCTION__,__FILE__,__LINE__);
else if(elem!=QString("\"any\"") &&
(elem.isOIDType() || elem.isPseudoType() ||
elem.isUserType() || elem.isArrayType()))
throw Exception(Exception::getErrorMessage(ERR_ASG_INV_ELEMENT_TYPE).arg(this->getName(true)),
ERR_ASG_INV_ELEMENT_TYPE,__PRETTY_FUNCTION__,__FILE__,__LINE__);
setCodeInvalidated(element != elem);
this->element=elem;
}
bool PgSQLType::isEquivalentTo(PgSQLType type)
{
unsigned this_idx=0, type_idx=0;
static vector<QStringList> types={ {QString("int2"),QString("smallint")},
{QString("int4"),QString("integer")},
{QString("int8"),QString("bigint")},
{QString("decimal"),QString("numeric")},
{QString("character varying"),QString("varchar")},
{QString("character"), QString("char")},
{QString("bit varying"),QString("varbit")} };
//If the types are equal there is no need to perform further operations
if(*this==type)
return(true);
//Getting the index which the this type is in
for(QStringList list : types)
{
if(list.contains(~(*this))) break;
this_idx++;
}
//Getting the index which 'type' is in
for(QStringList list : types)
{
if(list.contains(~type)) break;
type_idx++;
}
return(this_idx < types.size() && type_idx < types.size() &&
this_idx==type_idx &&
this->isArrayType()==type.isArrayType());
}
void Parameter::setType(PgSQLType type)
{
if(!type.isArrayType() && is_variadic)
throw Exception(ERR_INV_USE_VARIADIC_PARAM_MODE ,__PRETTY_FUNCTION__,__FILE__,__LINE__);
this->type=type;
}
void Column::setType(PgSQLType type)
{
//An error is raised if the column receive a pseudo-type as data type.
if(type.isPseudoType())
throw Exception(ERR_ASG_PSDTYPE_COLUMN,__PRETTY_FUNCTION__,__FILE__,__LINE__);
else
this->type=type;
}
PgSQLType PgSQLType::parseString(const QString &str)
{
QString type_str=str.toLower().simplified(), sptype, interv;
bool with_tz=false;
unsigned len=0, dim=0, srid=0;
int prec=-1;
int start=-1, end=-1;
QStringList value, intervals;
PgSQLType type;
//Checking if the string contains one of interval types
IntervalType::getTypes(intervals);
while(!intervals.isEmpty())
{
interv=intervals.back();
intervals.pop_back();
start=type_str.indexOf(QRegExp(QString("( )") + interv.toLower()));
if(start>=0)
{
type_str.remove(start, interv.size()+1);
break;
}
else
interv.clear();
}
//Check if the type contains "with time zone" descriptor
with_tz=QRegExp(QString("(.)*(with time zone)(.)*")).exactMatch(type_str);
//Removes the timezone descriptor
type_str.remove(QRegExp(QString("(with)(out)*( time zone)")));
//Count the dimension of the type and removes the array descriptor
dim=type_str.count(QString("[]"));
type_str.remove(QString("[]"));
//Check if the type is a variable length type, e.g varchar(200)
if(QRegExp(QString("(.)+\\(( )*[0-9]+( )*\\)")).indexIn(type_str) >=0)
{
start=type_str.indexOf('(');
end=type_str.indexOf(')', start);
len=type_str.mid(start+1, end-start-1).toUInt();
}
//Check if the type is a numeric type, e.g, numeric(10,2)
else if(QRegExp(QString("(.)+\\(( )*[0-9]+( )*(,)( )*[0-9]+( )*\\)")).indexIn(type_str) >=0)
{
start=type_str.indexOf('(');
end=type_str.indexOf(')', start);
value=type_str.mid(start+1, end-start-1).split(',');
len=value[0].toUInt();
prec=value[1].toUInt();
}
//Check if the type is a spatial type (PostGiS), e.g, geography(POINTZ, 4296)
else if(QRegExp(QString("(.)+\\(( )*[a-z]+(( )*(,)( )*[0-9]+( )*)?\\)"), Qt::CaseInsensitive).indexIn(type_str) >=0)
{
start=type_str.indexOf('(');
end=type_str.indexOf(')', start);
value=type_str.mid(start+1, end-start-1).split(',');
sptype=value[0].toUpper();
if(value.size() > 1)
srid=value[1].toUInt();
}
//If the string matches one of the regexp above remove the analyzed parts
if(start >=0 && end>=0)
type_str.remove(start, end-start+1);
/* The resultant string must be only the name of the type without [] and ().
NOTE: Since the string was converted to lower case at start it's necessary to get
it's original form from the input string in order to correctly create the type. */
type_str=str.mid(str.indexOf(type_str, 0, Qt::CaseInsensitive),type_str.length()).trimmed();
try
{
try
{
//Creates the type based on the extracted values
type=PgSQLType(type_str);
}
catch(Exception &)
{
/* In case of error (specially with PostGiS types) split the string to remove
the schema name and try to create the type once more */
QStringList typname=type_str.split('.');
if(typname.size()==2)
type=PgSQLType(typname[1]);
else
{
/* One last try it to check if the type has an entry on user defined types
as pg_catalog.[type name] */
type=PgSQLType(QString("pg_catalog.") + type_str);
}
}
type.setWithTimezone(with_tz);
type.setDimension(dim);
if(type.isNumericType() && len > 0 && prec >=0)
{
type.setLength(len);
type.setPrecision(prec);
}
else if(type.isDateTimeType() && len > 0)
type.setPrecision(len);
else if(type.hasVariableLength() && len > 0)
type.setLength(len);
if(!interv.isEmpty())
type.setIntervalType(IntervalType(interv));
else if(!sptype.isEmpty())
type.setSpatialType(SpatialType(sptype, srid));
return(type);
}
catch(Exception &e)
{
throw Exception(e.getErrorMessage(), e.getErrorType(),__PRETTY_FUNCTION__,__FILE__,__LINE__, &e, str);
}
}
