/// <inheritdoc/>
protected override Expression BindSubstring(MethodCallExpression expression)
{
LinqStringBuilder.Append("MID(");
this.Visit(expression.Object);
LinqStringBuilder.Append(", ");
this.Visit(expression.Arguments[0]);
LinqStringBuilder.Append(" + 1, ");
if (expression.Arguments.Count == 2)
{
this.Visit(expression.Arguments[1]);
}
else
{
LinqStringBuilder.Append(LinqParameters.GetNextParamName());
LinqParameters.AddParameter(8000);
}
LinqStringBuilder.Append(")");
return(expression);
}
/// <summary>
/// Adds new parameter to the SQL with specified <paramref name="value"/>.
/// </summary>
/// <param name="value">The value of the SQL parameter.</param>
protected void AddParameterWithValue(object value)
{
LinqStringBuilder.Append(LinqParameters.GetNextParamName());
LinqParameters.AddParameter(value);
}