public static DbType?GetDbTypeFromLiteralType(LiteralValueType literalExpressionType)
{
switch (literalExpressionType)
{
case LiteralValueType.Binary: return(DbType.Binary);
case LiteralValueType.Identifier: return(DbType.Int32);
case LiteralValueType.Integer: return(DbType.Int32);
case LiteralValueType.Image: return(DbType.Binary);
case LiteralValueType.Money: return(DbType.Decimal);
case LiteralValueType.Null: return(DbType.Object);
case LiteralValueType.Numeric: return(DbType.Decimal);
case LiteralValueType.Real: return(DbType.Single);
case LiteralValueType.Default:
case LiteralValueType.String:
case LiteralValueType.UnicodeString:
default:
return(DbType.String);
}
}
public static Type GetTypeFromLiteralType(LiteralValueType literalExpressionType)
{
switch (literalExpressionType)
{
case LiteralValueType.Binary: return(typeof(byte[]));
case LiteralValueType.Identifier: return(typeof(int));
case LiteralValueType.Integer: return(typeof(int));
case LiteralValueType.Image: return(typeof(byte[]));
case LiteralValueType.Money: return(typeof(decimal));
case LiteralValueType.Null: return(typeof(Object));
case LiteralValueType.Numeric: return(typeof(double));
case LiteralValueType.Real: return(typeof(float));
case LiteralValueType.Default:
case LiteralValueType.String:
case LiteralValueType.UnicodeString:
default:
return(typeof(string));
}
}
public static MemoryDbDataReader.ReaderFieldData BuildFieldFromLiteral(LiteralValueType literalType, string name, int fieldsCount)
{
var readerField = new MemoryDbDataReader.ReaderFieldData
{
Name = name,
DbType = GetDbTypeFromLiteralType(literalType).Value.ToString(),
NetType = GetTypeFromLiteralType(literalType),
FieldIndex = fieldsCount
};
return(readerField);
}
public LiteralValue(ISourceInfo sourceInfo, LiteralValueType type, string value)
: base(NodeType.Literal, sourceInfo)
{
this.Value = value;
this.ValueType = type;
}
protected LiteralValue(LiteralValueType type)
{
Type = type;
}
public LiteralValue(LiteralValueType type)
{
Type = type;
}
