private static string GetWhereClauseItem(InterpolationArgs args)
{
if (args.TemplateName == "SELECT" || args.TemplateName == "COUNT")
{
string conjunction = GetConjunction(args, string.Empty, new string(' ', 4), "AND ");
return string.Format(
"{1}{2}({3} IS NULL OR {3} = {4}){0}",
args.ColumnIndex == args.Columns.Count - 1 ? string.Empty : Environment.NewLine,
args.ColumnIndex == 0 ? string.Empty : args.IndentString,
conjunction,
GetParameter(args),
GetColumnWithTableAlias(args)
);
}
else if (args.TemplateName == "UPDATE")
{
string conjunction = GetConjunction(args, string.Empty, new string(' ', 4), "AND ");
return string.Format(
"{1}{2}({3} = {4}){0}",
args.ColumnIndex == args.Columns.Count - 1 ? string.Empty : Environment.NewLine,
args.ColumnIndex == 0 ? string.Empty : args.IndentString,
conjunction,
GetParameter(args),
GetColumn(args)
);
}
else if (args.TemplateName == "DELETE")
{
string column = GetColumn(args);
string conjunction = GetConjunction(
args,
dr => args.IsPrimaryKey(dr["COLUMN_NAME"].ToString()),
string.Empty,
new string(' ', 4),
"AND "
);
string endLine = args.IsLastPrimaryKey(column) ? string.Empty : Environment.NewLine;
string item = string.Format(
"{1}{2}({3} = {4}){0}",
endLine,
args.ColumnIndex == 0 ? string.Empty : args.IndentString,
conjunction,
GetParameter(args),
GetColumn(args)
);
return args.IsPrimaryKey(column) ? item : string.Empty;
}
else
{
return "??WhereClauseItem??";
}
}
private static void GetParameterListItemPunc(InterpolationArgs args, string column, out string conjunction, out string indent, out string endLine)
{
if (args.TemplateName == "DELETE")
{
conjunction = GetConjunction(args, dr => args.IsPrimaryKey(dr["COLUMN_NAME"].ToString()), string.Empty, " ", ",");
indent = args.IsFirstPrimaryKey(column) ? string.Empty : args.IndentString;
endLine = args.IsLastPrimaryKey(column) ? string.Empty : Environment.NewLine;
}
else if (args.TemplateName == "INSERT")
{
conjunction = GetConjunction(args, dr => !args.IsIdentity(dr["COLUMN_NAME"].ToString()), string.Empty, " ", ",");
indent = args.IsFirstNonIdentity(column) ? string.Empty : args.IndentString;
endLine = args.IsLastNonIdentity(column) ? string.Empty : Environment.NewLine;
}
else
{
conjunction = GetConjunction(args, string.Empty, " ", ",");
indent = args.ColumnIndex == 0 ? string.Empty : args.IndentString;
endLine = args.ColumnIndex == args.Columns.Count - 1 ? string.Empty : Environment.NewLine;
}
}