lib/connection/result/chunk.js
function getColumnValueAsString(columnIdentifier)
  {
    // resolve the column identifier to the correct column if possible
    var column = resolveColumnIdentifierToColumn(
        columns, columnIdentifier, mapColumnNameToIndices);

    return column ? column.getRowValueAsString(this) : undefined;
  }
function getColumnValueAsString(columnIdentifier)
  {
    // resolve the column identifier to the correct column if possible
    var column = resolveColumnIdentifierToColumn(
        columns, columnIdentifier, mapColumnNameToIndices);

    return column ? column.getRowValueAsString(this) : undefined;
  }
function getColumnValueAsString ( columnIdentifier ) { // resolve the column identifier to the correct column if possible var column = resolveColumnIdentifierToColumn ( columns , columnIdentifier , mapColumnNameToIndices ) ; return column ? column . getRowValueAsString ( this ) : undefined ; }
Returns the value of a column as a String.

@param {String | Number} columnIdentifier this can be either the column
name or the column index.

@returns {*}
Returns the value of a column as a String .