private static OperandType getOperandType(String opd)
{
Regex stringTypeRgx = new Regex(@"^'[^']*'$");
int num_tmp = 0;
int dot_index = opd.IndexOf('.');
if (dot_index != -1 && dot_index != 0 && dot_index != opd.Length - 1) //attr with Table
{
return(OperandType.attr);
}
//
if (stringTypeRgx.IsMatch(opd))
{
return(OperandType.str);
}
else if (Int32.TryParse(opd, out num_tmp))
{
return(OperandType.num);
}
else if (SqlGrammar.checkVariableNameValidOrThrowException(opd))
{
return(OperandType.attr);
}
else
{
throw new DbException.InvalidKeyword("Wrong condition clause.");
}
}
/// <summary>
/// Initializes a new instance of a SqlResponder.
/// </summary>
/// <param name="grammar">The grammar to use.</param>
protected SqlGenerator(SqlGrammar grammar)
{
if (grammar == null)
{
grammar = SqlGrammar.Default;
}
this.grammar = grammar;
}
/// <summary>
/// Initializes a new instance of a SqlResponder.
/// </summary>
/// <param name="grammar">The grammar to use.</param>
protected SqlGenerator(SqlGrammar grammar)
{
if (grammar == null)
{
grammar = SqlGrammar.Default;
}
this.grammar = grammar;
}
/// <summary>
/// Initializes a new instance of a SimpleFormatter.
/// </summary>
/// <param name="grammar">The grammar to use.</param>
public CommandBuilder(SqlGrammar grammar = null)
: base(grammar)
{
}