public HqlField(HqlFieldType type, HqlScalar scalar) // for SCALAR
{
if (type != HqlFieldType.SCALAR)
{
throw new Exception("Instance is for SCALAR only");
}
Init(type);
_scalar = scalar;
}
private bool MoveNextTokenCheckScalar()
{
if (_token.WordType == HqlWordType.KEYWORD && _token.Keyword == HqlKeyword.SCALAR && MatchNext("("))
{
HqlScalar scalar = new HqlScalar();
scalar.Parse(this);
_token = new HqlToken(HqlWordType.SCALAR, new HqlField(HqlFieldType.SCALAR, scalar));
return(true);
}
return(false);
}
private void VerifyFieldsPresent(HqlScalar scalar)
{
if (scalar.HasMultipleFields)
{
for (int i = 0; i < scalar.Fields.Length; ++i)
{
VerifyFieldsPresent(scalar.Fields[i]);
}
}
else
{
VerifyFieldsPresent(scalar.Field);
}
}
private void LoadField(HqlField field)
{
if (field == null)
{
return;
}
if (!field.ContainsTableReference(TableReference))
{
return;
}
if (!FieldsImpacted.ContainsField(field))
{
FieldsImpacted.AddField(field);
}
if (field.FieldType == HqlFieldType.FUNCTION)
{
LoadField(field.Func.Field);
}
else if (field.FieldType == HqlFieldType.SCALAR)
{
HqlScalar scalar = field.Scalar;
if (scalar.HasMultipleFields)
{
for (int i = 0; i < scalar.Fields.Length; ++i)
{
LoadField(scalar.Fields[i]);
}
}
else
{
LoadField(scalar.Field);
}
}
}
