public override void ExplicitVisit(IntegerLiteral node)
{
var sys_int_name = this.GetSqlNameSys().ChildWellkown("int");
var t = new ModelSematicScalarType()
{
Name = sys_int_name,
SystemDataType = ModelSystemDataType.Int
};
var v = new ModelSematicValueScalar()
{
Type = t,
Value = node.Value,
IsConst = true
};
node.Analyse.ResultType = new SqlCodeType(t);
node.Analyse.ResultValue = new SqlCodeResultConst(v);
/*
* no need for base.ExplicitVisit(node);
*/
}
public override void ExplicitVisit(SqlDataTypeReference node)
{
var name = node.Name;
var parameters = node.Parameters;
SqlName typename = SqlName.From(node.Name);
var sqlDataTypeOption = node.SqlDataTypeOption;
short length = 0;
bool isMax = false;
byte precision = 0;
byte scale = 0;
string collationName = null;
foreach (var parameter in parameters)
{
{
if (parameter is MaxLiteral)
{
isMax = true;
continue;
}
}
{
if (parameter is IntegerLiteral lengthLiteral)
{
short.TryParse(lengthLiteral.Value, out length);
continue;
}
}
// TODO: float(1,2)
// TODO: collationName
}
if (sqlDataTypeOption != ModelSystemDataType.None)
{
// happyness
var scalarType = new ModelSematicScalarType();
scalarType.Name = typename;
scalarType.MaxLength = (isMax) ? ((short)-1) : length;
scalarType.Precision = precision;
scalarType.Scale = scale;
scalarType.SystemDataType = sqlDataTypeOption;
scalarType.CollationName = collationName;
node.Analyse.ResultType = new SqlCodeType(scalarType);
}
else
{
if (System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Break();
}
var resolved = this.scope.ResolveObject(typename, null);
if (resolved != null)
{
if (resolved is ModelSematicType modelType)
{
node.Analyse.ResultType = new SqlCodeType(modelType);
}
}
/*
* var sqlName = SqlName.Parse(name.BaseIdentifier.Value, ObjectLevel.Object);
* var sqlSysName = SqlName.Root.Child("sys", ObjectLevel.Schema).Child(sqlName.Name, ObjectLevel.Object);
* var sqlCodeType = this.currentScopeRef.Current.ResolveObject(sqlSysName, null) as ISqlCodeType;
* SetAnalyseSqlCodeType(node.Analyse, sqlCodeType);
*/
}
}
