private static string _Get_val_from_usqlarray <T>(USQLINTERFACES.IRow row, USQLINTERFACES.IColumn col, string val)
{
var arr = row.Get <USQLTYPES.SqlArray <T> >(col.Name);
if (arr != null)
{
var sb = new System.Text.StringBuilder();
sb.Append("SqlArray<");
sb.Append(get_usql_type_name(typeof(T)));
sb.Append(">{ ");
for (int j = 0; j < arr.Count; j++)
{
if (j > 0)
{
sb.Append(", ");
}
sb.Append("\"");
sb.Append(arr[j].ToString());
sb.Append("\"");
}
sb.Append(" }");
val = sb.ToString();
}
else
{
val = "NULL";
}
return(val);
}
public static string GetValueFromUsqlMap <K, V>(Microsoft.Analytics.Interfaces.IRow row, Microsoft.Analytics.Interfaces.IColumn col, TypeDisplayNameOptions opts)
{
string val = null;
var map = row.Get <Microsoft.Analytics.Types.Sql.SqlMap <K, V> >(col.Name);
if (map != null)
{
var sb = new System.Text.StringBuilder();
sb.Append("SqlMap");
if (opts.ShowGenericParameters)
{
sb.Append(_LESSTHAN);
sb.Append(UdoUtils.GetUsqlTypeDisplayName(typeof(K)));
sb.Append(_COMMA);
sb.Append(_SPACE);
sb.Append(UdoUtils.GetUsqlTypeDisplayName(typeof(V)));
sb.Append(_GREATERTHAN);
}
sb.Append(_LEFTCURLYBRACE);
sb.Append(_SPACE);
int kn = 0;
foreach (var key in map.Keys)
{
if (kn > 0)
{
sb.Append(_SEMICOLON);
sb.Append(_SPACE);
}
V xval = map[key];
string val_str = "NULL";
if (xval != null)
{
val_str = xval.ToString();
}
var key_str = key.ToString();
sb.AppendFormat("{0}={1}", key_str, val_str);
kn++;
}
sb.Append(_SPACE);
sb.Append(_RIGHTCURLYBRACE);
val = sb.ToString();
}
else
{
val = "NULL";
}
return(val);
}
private static string _Get_val_from_usqlmap <K, V>(USQLINTERFACES.IRow row, USQLINTERFACES.IColumn col, string val)
{
var map = row.Get <USQLTYPES.SqlMap <K, V> >(col.Name);
if (map != null)
{
var sb = new System.Text.StringBuilder();
sb.Append("SqlMap<");
sb.Append(get_usql_type_name(typeof(K)));
sb.Append(", ");
sb.Append(get_usql_type_name(typeof(V)));
sb.Append(">{ ");
int kn = 0;
foreach (var key in map.Keys)
{
if (kn > 0)
{
sb.Append("; ");
}
V xval = map[key];
string val_str = "NULL";
if (xval != null)
{
val_str = xval.ToString();
}
var key_str = key.ToString();
sb.AppendFormat("{0}={1}", key_str, val_str);
kn++;
}
sb.Append(" }");
val = sb.ToString();
}
else
{
val = "NULL";
}
return(val);
}
public static string GetValueFromUsqlArray <T>(Microsoft.Analytics.Interfaces.IRow row, Microsoft.Analytics.Interfaces.IColumn col, string val, TypeDisplayNameOptions opts)
{
var arr = row.Get <Microsoft.Analytics.Types.Sql.SqlArray <T> >(col.Name);
if (arr != null)
{
var sb = new System.Text.StringBuilder();
sb.Append("SqlArray");
if (opts.ShowGenericParameters)
{
sb.Append(_LESSTHAN);
sb.Append(UdoUtils.GetUsqlTypeDisplayName(typeof(T)));
sb.Append(_GREATERTHAN);
}
sb.Append(_LEFTCURLYBRACE);
sb.Append(_SPACE);
for (int j = 0; j < arr.Count; j++)
{
if (j > 0)
{
sb.Append(_COMMA);
sb.Append(_SPACE);
}
sb.Append(_DOUBLEQUOTE);
sb.Append(arr[j].ToString());
sb.Append(_DOUBLEQUOTE);
}
sb.Append(_SPACE);
sb.Append(_RIGHTCURLYBRACE);
val = sb.ToString();
}
else
{
val = "NULL";
}
return(val);
}
public static string GetValueDisplayString(Microsoft.Analytics.Interfaces.IRow row, Type type, string val, Microsoft.Analytics.Interfaces.IColumn col, TypeDisplayNameOptions opts)
{
if (type == typeof(string))
{
val = row.Get <string>(col.Name) ?? _NULL;
}
else if (type == typeof(bool))
{
val = row.Get <bool>(col.Name).ToString();
}
else if (type == typeof(char))
{
val = row.Get <char>(col.Name).ToString();
}
else if (type == typeof(float))
{
val = row.Get <float>(col.Name).ToString(System.Globalization.CultureInfo.InvariantCulture);
}
else if (type == typeof(double))
{
val = row.Get <double>(col.Name).ToString(System.Globalization.CultureInfo.InvariantCulture);
}
else if (type == typeof(int))
{
val = row.Get <int>(col.Name).ToString();
}
else if (type == typeof(long))
{
val = row.Get <long>(col.Name).ToString();
}
else if (type == typeof(System.Guid))
{
val = row.Get <System.Guid>(col.Name).ToString();
}
else if (type == typeof(int?))
{
val = row.Get <int?>(col.Name).ToString();
}
else if (type == typeof(long?))
{
val = row.Get <long?>(col.Name).ToString();
}
else if (type == typeof(float?))
{
val = row.Get <float?>(col.Name).ToString();
}
else if (type == typeof(double?))
{
val = row.Get <double?>(col.Name).ToString();
}
else if (type.IsGenericType)
{
val = GetValueFromUsqlArray_(row, type, col, opts);
if (val == null)
{
val = GetValueFromUsqlMap_(row, type, col, opts);
}
if (val == null)
{
val = UdoUtils.GetUsqlTypeDisplayName(type);
}
}
else
{
val = UdoUtils.GetUsqlTypeDisplayName(type);
}
return(val);
}
public override void Output(USQLINTERFACES.IRow row, USQLINTERFACES.IUnstructuredWriter output)
{
var streamWriter = new System.IO.StreamWriter(output.BaseStream);
// Metadata schema initialization to enumerate column names
var schema = row.Schema;
if (this.row_count == 0)
{
if (this.OutputHeader)
{
streamWriter.Write("|");
for (int i = 0; i < schema.Count(); i++)
{
var col = schema[i];
streamWriter.Write(" ");
streamWriter.Write(col.Name);
streamWriter.Write(" ");
if (this.OutputHeaderType)
{
streamWriter.Write(get_usql_type_name(col.Type));
streamWriter.Write(" ");
}
streamWriter.Write("|");
}
streamWriter.Write("\r\n");
streamWriter.Flush();
streamWriter.Write("|");
for (int i = 0; i < schema.Count(); i++)
{
var col = schema[i];
streamWriter.Write(" ");
streamWriter.Write("---");
streamWriter.Write(" ");
streamWriter.Write("|");
}
streamWriter.Write("\r\n");
streamWriter.Flush();
}
}
// Data row output
streamWriter.Write("|");
for (int i = 0; i < schema.Count(); i++)
{
var col = schema[i];
string val = "";
try
{
var coltype = col.Type;
if (coltype == typeof(string))
{
val = row.Get <string>(col.Name);
val = val ?? "NULL";
}
else if (coltype == typeof(bool))
{
val = row.Get <bool>(col.Name).ToString();
}
else if (coltype == typeof(char))
{
val = row.Get <char>(col.Name).ToString();
}
else if (coltype == typeof(float))
{
val = row.Get <float>(col.Name).ToString();
}
else if (coltype == typeof(double))
{
val = row.Get <double>(col.Name).ToString();
}
else if (coltype == typeof(int))
{
val = row.Get <int>(col.Name).ToString();
}
else if (coltype == typeof(long))
{
val = row.Get <long>(col.Name).ToString();
}
else if (coltype == typeof(System.Guid))
{
val = row.Get <System.Guid>(col.Name).ToString();
}
else if (coltype == typeof(int?))
{
val = row.Get <int?>(col.Name).ToString();
val = val ?? "NULL";
}
else if (coltype == typeof(long?))
{
val = row.Get <long?>(col.Name).ToString();
val = val ?? "NULL";
}
else if (coltype == typeof(float?))
{
val = row.Get <float?>(col.Name).ToString();
val = val ?? "NULL";
}
else if (coltype == typeof(double?))
{
val = row.Get <double?>(col.Name).ToString();
val = val ?? "NULL";
}
else if (coltype == typeof(USQLTYPES.SqlArray <string>))
{
val = _Get_val_from_usqlarray <string>(row, col, val);
}
else if (coltype == typeof(USQLTYPES.SqlArray <int>))
{
val = _Get_val_from_usqlarray <int>(row, col, val);
}
else if (coltype == typeof(USQLTYPES.SqlArray <long>))
{
val = _Get_val_from_usqlarray <long>(row, col, val);
}
else if (coltype == typeof(USQLTYPES.SqlMap <string, string>))
{
val = _Get_val_from_usqlmap <string, string>(row, col, val);
}
else if (coltype == typeof(USQLTYPES.SqlMap <string, int?>))
{
val = _Get_val_from_usqlmap <string, int?>(row, col, val);
}
else
{
val = "UNKNOWNTYPE:" + get_usql_type_name(coltype);
}
}
catch (System.NullReferenceException exc)
{
// Handling NULL values--keeping them empty
val = "NullReferenceException";
}
streamWriter.Write(" ");
streamWriter.Write(val);
streamWriter.Write(" ");
streamWriter.Write("|");
}
streamWriter.Write("\n");
streamWriter.Flush();
this.row_count++;
}