// ReSharper disable once FunctionComplexityOverflow
internal static ErrorOrNoticeMessage Load(NpgsqlReadBuffer buf, bool includeDetail)
{
(string?severity, string?invariantSeverity, string?code, string?message, string?detail, string?hint) = (null, null, null, null, null, null);
var(position, internalPosition) = (0, 0);
(string?internalQuery, string?where) = (null, null);
(string?schemaName, string?tableName, string?columnName, string?dataTypeName, string?constraintName) =
(null, null, null, null, null);
(string?file, string?line, string?routine) = (null, null, null);
while (true)
{
var fieldCode = (ErrorFieldTypeCode)buf.ReadByte();
switch (fieldCode)
{
case ErrorFieldTypeCode.Done:
// Null terminator; error message fully consumed.
goto End;
case ErrorFieldTypeCode.Severity:
severity = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.InvariantSeverity:
invariantSeverity = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Code:
code = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Message:
message = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Detail:
detail = buf.ReadNullTerminatedStringRelaxed();
if (!includeDetail && !string.IsNullOrEmpty(detail))
{
detail = $"Detail redacted as it may contain sensitive data. Specify '{NpgsqlConnectionStringBuilder.IncludeExceptionDetailDisplayName}' in the connection string to include this information.";
}
break;
case ErrorFieldTypeCode.Hint:
hint = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Position:
var positionStr = buf.ReadNullTerminatedStringRelaxed();
if (!int.TryParse(positionStr, out var tmpPosition))
{
Logger.LogWarning("Non-numeric position in ErrorResponse: " + positionStr);
continue;
}
position = tmpPosition;
break;
case ErrorFieldTypeCode.InternalPosition:
var internalPositionStr = buf.ReadNullTerminatedStringRelaxed();
if (!int.TryParse(internalPositionStr, out var internalPositionTmp))
{
Logger.LogWarning("Non-numeric position in ErrorResponse: " + internalPositionStr);
continue;
}
internalPosition = internalPositionTmp;
break;
case ErrorFieldTypeCode.InternalQuery:
internalQuery = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Where:
where = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.File:
file = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Line:
line = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.Routine:
routine = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.SchemaName:
schemaName = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.TableName:
tableName = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.ColumnName:
columnName = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.DataTypeName:
dataTypeName = buf.ReadNullTerminatedStringRelaxed();
break;
case ErrorFieldTypeCode.ConstraintName:
constraintName = buf.ReadNullTerminatedStringRelaxed();
break;
default:
// Unknown error field; consume and discard.
buf.ReadNullTerminatedStringRelaxed();
break;
}
}
End:
if (severity == null)
{
throw new NpgsqlException("Severity not received in server error message");
}
if (code == null)
{
throw new NpgsqlException("Code not received in server error message");
}
if (message == null)
{
throw new NpgsqlException("Message not received in server error message");
}
return(new ErrorOrNoticeMessage(
severity, invariantSeverity ?? severity, code, message,
detail, hint, position, internalPosition, internalQuery, where,
schemaName, tableName, columnName, dataTypeName, constraintName,
file, line, routine));
}
