private void SqlReplace(string query, TextWriter builder)
{
SqlReplace(query, '@', builder, p =>
{
object value;
if (TryGetParamValue(p, out value))
{
Func <string, string> finalAction = s => s;
var inClause = false;
if (builder.ToString().EndsWith(" in "))
{
finalAction = s => "(" + s + ")";
inClause = true;
}
else if (builder.ToString().EndsWith(" in ("))
{
inClause = true;
}
IFormattable num;
if (value == null
#if DBDATA
|| value == DBNull.Value
#endif
)
{
return(finalAction("null"));
}
else if (ServerContext.TryCastNumber(value, out num))
{
return(finalAction(_sqlFormatter.Format(num)));
}
else if (value is string)
{
return(finalAction(SqlFormatter.Quote(ServerContext.RenderSqlEnum(value, false, o => _sqlFormatter.Format(o)))));
}
else if (inClause && value is IEnumerable)
{
return(finalAction(ServerContext.RenderSqlEnum(value, true, o => _sqlFormatter.Format(o))));
}
else if (value is DateTime || value is bool || value is Guid)
{
return(finalAction("'" + ServerContext.RenderSqlEnum(value, false, o => _sqlFormatter.Format(o)) + "'"));
}
else
{
return(finalAction(SqlFormatter.Quote(ServerContext.RenderSqlEnum(value, false, o => _sqlFormatter.Format(o)))));
}
}
else
{
return("@" + p);
}
});
}
internal static string RenderSqlEnum(object value, bool quoteStrings, Func <IFormattable, string> numberRenderer, Func <object, string> stringRenderer, Func <string> emptyEnumRenderer)
{
if (value is string)
{
return(stringRenderer(value));
}
var first = true;
var builder = new StringBuilder();
if (TryGetNumericEnumerable(value, out var enumerable))
{
foreach (var item in enumerable)
{
if (!first)
{
builder.Append(",");
}
builder.Append(numberRenderer((IFormattable)item));
first = false;
}
if (first)
{
return(emptyEnumRenderer?.Invoke());
}
}
else
{
enumerable = value as IEnumerable;
if (enumerable != null)
{
foreach (var item in enumerable)
{
if (!first)
{
builder.Append(",");
}
if (quoteStrings)
{
builder.Append(SqlFormatter.Quote(stringRenderer(item).Replace("'", "''")));
}
else
{
builder.Append(stringRenderer(item));
}
first = false;
}
// Nothing was written as there were not values in the IEnumerable
// Therefore, write a bogus value to match zero results
if (first)
{
var empty = emptyEnumRenderer?.Invoke();
if (empty == null)
{
return(null);
}
return(quoteStrings
? "N'" + emptyEnumRenderer?.Invoke() + "'"
: emptyEnumRenderer?.Invoke());
}
}
else
{
return(stringRenderer(value));
}
}
return(builder.ToString());
}
