protected override DataObject EvaluateBinary(DataObject ob1, DataObject ob2, IEvaluateContext context)
{
if (ob1.IsNull)
{
return(ob1);
}
if (ob2.IsNull)
{
return(ob2);
}
char cEscape = '\\';
if (Escape is ConstantExpression)
{
// TODO: some more checks...
var escapeValue = ((ConstantExpression)Escape).Value;
cEscape = escapeValue.ToString()[0];
}
string val = ob1.CastTo(PrimitiveTypes.String()).ToStringValue();
string pattern = ob2.CastTo(PrimitiveTypes.String()).ToStringValue();
return(DataObject.Boolean(PatternSearch.FullPatternMatch(pattern, val, cEscape)));
}
protected override DataObject EvaluateBinary(DataObject ob1, DataObject ob2, IEvaluateContext context)
{
if (ob1.IsNull)
return ob1;
if (ob2.IsNull)
return ob2;
char cEscape = '\\';
if (Escape is ConstantExpression) {
// TODO: some more checks...
var escapeValue = ((ConstantExpression) Escape).Value;
cEscape = escapeValue.ToString()[0];
}
string val = ob1.CastTo(PrimitiveTypes.String()).ToStringValue();
string pattern = ob2.CastTo(PrimitiveTypes.String()).ToStringValue();
return DataObject.Boolean(PatternSearch.FullPatternMatch(pattern, val, cEscape));
}
public void SetValue(DataObject value)
{
if (IsConstant)
{
throw new InvalidOperationException();
}
if (!IsNotNull && value.IsNull)
{
throw new ArgumentException();
}
if (!Type.Equals(value.Type))
{
if (!value.Type.CanCastTo(Type))
{
throw new ArgumentException();
}
value = value.CastTo(Type);
}
Value = value;
}
public static DataObject Cast(DataObject value, DataType destType)
{
return value.CastTo(destType);
}
public static DataObject ToTimeStamp(DataObject obj)
{
return obj.CastTo(PrimitiveTypes.TimeStamp());
}
public static DataObject ToString(DataObject value)
{
return value.CastTo(PrimitiveTypes.String());
}
public static DataObject ToNumber(DataObject value)
{
return value.CastTo(PrimitiveTypes.Numeric());
}
public static DataObject ToBinary(DataObject value)
{
return(value.CastTo(PrimitiveTypes.Binary()));
}
public static DataObject ToNumber(DataObject value)
{
return(value.CastTo(PrimitiveTypes.Numeric()));
}
public static DataObject Cast(DataObject value, SqlType destType)
{
return(value.CastTo(destType));
}
public static DataObject ToTimeStamp(DataObject obj)
{
return(obj.CastTo(PrimitiveTypes.TimeStamp()));
}
public static DataObject ToDateTime(DataObject obj)
{
return(obj.CastTo(PrimitiveTypes.DateTime()));
}
public override DataObject Evaluate(DataObject ob1, DataObject ob2,
IGroupResolver group, IVariableResolver resolver,
IQueryContext context)
{
if (ob1.IsNull)
return ob1;
if (ob2.IsNull)
return ob2;
string val = ob1.CastTo(PrimitiveTypes.String()).ToStringValue();
string pattern = ob2.CastTo(PrimitiveTypes.String()).ToStringValue();
// TODO: return DataObject.Boolean(PatternSearch.RegexMatch(context.Context, pattern, val));
throw new NotImplementedException();
}
public override DataObject Evaluate(DataObject ob1, DataObject ob2,
IGroupResolver group, IVariableResolver resolver,
IQueryContext context)
{
if (ob1.IsNull) {
return ob1;
}
if (ob2.IsNull) {
return ob2;
}
String val = ob1.CastTo(PrimitiveTypes.String()).ToStringValue();
String pattern = ob2.CastTo(PrimitiveTypes.String()).ToStringValue();
return DataObject.Boolean(PatternSearch.FullPatternMatch(pattern, val, '\\'));
}
public static DataObject ToBinary(DataObject value)
{
return value.CastTo(PrimitiveTypes.Binary());
}
public static DataObject ToDateTime(DataObject obj)
{
return obj.CastTo(PrimitiveTypes.DateTime());
}
public static DataObject ToString(DataObject value)
{
return(value.CastTo(PrimitiveTypes.String()));
}