How to use the alloy/underscore._.keys function in alloy

// see if it already has the ALLOY_ID_DEFAULT
      if (cName === ALLOY_ID_DEFAULT && !config.adapter.idAttribute) {
        config.adapter.idAttribute = ALLOY_ID_DEFAULT;
      } else if (k === config.adapter.idAttribute) {
        cType += " UNIQUE";
      }
      columns[cName] = cType;
    }
  }
  config.columns = columns;

  // make sure we have a unique id field
  if (config.adapter.idAttribute) {
    if (!_.contains(_.keys(config.columns), config.adapter.idAttribute)) {
      throw 'config.adapter.idAttribute "' + config.adapter.idAttribute + '" not found in list of columns for table "' + table + '"\n' + 'columns: [' + _.keys(config.columns).join(',') + ']';
    }
  } else {
    Ti.API.info('No config.adapter.idAttribute specified for table "' + table + '"');
    Ti.API.info('Adding "' + ALLOY_ID_DEFAULT + '" to uniquely identify rows');

    var fullStrings = [],
      colStrings = [];
    _.each(config.columns, function(type, name) {
      colStrings.push(name);
      fullStrings.push(name + ' ' + type);
    });
    var colsString = colStrings.join(',');
    db.execute('ALTER TABLE ' + table + ' RENAME TO ' + table + '_temp;');
    db.execute('CREATE TABLE ' + table + '(' + fullStrings.join(',') + ',' + ALLOY_ID_DEFAULT + ' TEXT UNIQUE);');
    db.execute('INSERT INTO ' + table + '(' + colsString + ',' + ALLOY_ID_DEFAULT + ') SELECT ' + colsString + ',CAST(_ROWID_ AS TEXT) FROM ' + table + '_temp;');
    db.execute('DROP TABLE ' + table + '_temp;');

attrObj[model.idAttribute] = attrObj.id;
			} else {
				// idAttribute not assigned by alloy. Leave it empty and
				// allow sqlite to process as null, which is the
				// expected value for an AUTOINCREMENT field.
				attrObj[model.idAttribute] = null;
			}
		}

		//validate the item
		if (params.useStrictValidation) {
			for (var c in columns) {
				if (c == model.idAttribute) {
					continue;
				}
				if (!_.contains(_.keys(attrObj), c)) {
					Ti.API.error("[SQL REST API] ITEM NOT VALID - REASON: " + c + " is not present");
					return;
				}
			}
		}

		// Create arrays for insert query
		var names = [],
		    values = [],
		    q = [];
		for (var k in columns) {
			names.push(k);
			if (_.isObject(attrObj[k])) {
				values.push(JSON.stringify(attrObj[k]));
			} else {
				values.push(attrObj[k]);

this.deleteRow = function(columns) {
        var sql = "DELETE FROM " + this.table;
        var keys = _.keys(columns);
        var len = keys.length;
        var conditions = [];
        var values = [];
        len && (sql += " WHERE ");
        for (var i = 0; len > i; i++) {
            conditions.push(keys[i] + " = ?");
            values.push(columns[keys[i]]);
        }
        sql += conditions.join(" AND ");
        this.db.execute(sql, values);
    };
}

cName !== ALLOY_ID_DEFAULT || config.adapter.idAttribute || (config.adapter.idAttribute = ALLOY_ID_DEFAULT);
            rs.next();
        }
        rs.close();
    } else {
        config.adapter.idAttribute ? config.adapter.idAttribute : ALLOY_ID_DEFAULT;
        for (var k in config.columns) {
            cName = k;
            cType = config.columns[k];
            cName !== ALLOY_ID_DEFAULT || config.adapter.idAttribute ? k === config.adapter.idAttribute && (cType += " UNIQUE") : config.adapter.idAttribute = ALLOY_ID_DEFAULT;
            columns[cName] = cType;
        }
    }
    config.columns = columns;
    if (config.adapter.idAttribute) {
        if (!_.contains(_.keys(config.columns), config.adapter.idAttribute)) throw 'config.adapter.idAttribute "' + config.adapter.idAttribute + '" not found in list of columns for table "' + table + '"\n' + "columns: [" + _.keys(config.columns).join(",") + "]";
    } else {
        Ti.API.info('No config.adapter.idAttribute specified for table "' + table + '"');
        Ti.API.info('Adding "' + ALLOY_ID_DEFAULT + '" to uniquely identify rows');
        var fullStrings = [], colStrings = [];
        _.each(config.columns, function(type, name) {
            colStrings.push(name);
            fullStrings.push(name + " " + type);
        });
        var colsString = colStrings.join(",");
        db.execute("ALTER TABLE " + table + " RENAME TO " + table + "_temp;");
        db.execute("CREATE TABLE " + table + "(" + fullStrings.join(",") + "," + ALLOY_ID_DEFAULT + " TEXT UNIQUE);");
        db.execute("INSERT INTO " + table + "(" + colsString + "," + ALLOY_ID_DEFAULT + ") SELECT " + colsString + ",CAST(_ROWID_ AS TEXT) FROM " + table + "_temp;");
        db.execute("DROP TABLE " + table + "_temp;");
        config.columns[ALLOY_ID_DEFAULT] = "TEXT UNIQUE";
        config.adapter.idAttribute = ALLOY_ID_DEFAULT;
    }

this.deleteRow = function(columns) {
        var sql = "DELETE FROM " + this.table;
        var keys = _.keys(columns);
        var len = keys.length;
        var conditions = [];
        var values = [];
        len && (sql += " WHERE ");
        for (var i = 0; len > i; i++) {
            conditions.push(keys[i] + " = ?");
            values.push(columns[keys[i]]);
        }
        sql += conditions.join(" AND ");
        this.db.execute(sql, values);
    };
}

var dbName = config.adapter.db_name = match[2];
    Ti.API.debug('Installing sql database "' + dbFile + '" with name "' + dbName + '"');
    var db = Ti.Database.install(dbFile, dbName);
    var rs = db.execute('pragma table_info("' + table + '");');
    var columns = {};
    while (rs.isValidRow()) {
        var cName = rs.fieldByName("name");
        var cType = rs.fieldByName("type");
        columns[cName] = cType;
        cName !== ALLOY_ID_DEFAULT || config.adapter.idAttribute || (config.adapter.idAttribute = ALLOY_ID_DEFAULT);
        rs.next();
    }
    config.columns = columns;
    rs.close();
    if (config.adapter.idAttribute) {
        if (!_.contains(_.keys(config.columns), config.adapter.idAttribute)) throw 'config.adapter.idAttribute "' + config.adapter.idAttribute + '" not found in list of columns for table "' + table + '"\n' + "columns: [" + _.keys(config.columns).join(",") + "]";
    } else {
        Ti.API.info('No config.adapter.idAttribute specified for table "' + table + '"');
        Ti.API.info('Adding "' + ALLOY_ID_DEFAULT + '" to uniquely identify rows');
        var fullStrings = [], colStrings = [];
        _.each(config.columns, function(type, name) {
            colStrings.push(name);
            fullStrings.push(name + " " + type);
        });
        var colsString = colStrings.join(",");
        db.execute("ALTER TABLE " + table + " RENAME TO " + table + "_temp;");
        db.execute("CREATE TABLE " + table + "(" + fullStrings.join(",") + "," + ALLOY_ID_DEFAULT + " TEXT UNIQUE);");
        db.execute("INSERT INTO " + table + "(" + colsString + "," + ALLOY_ID_DEFAULT + ") SELECT " + colsString + ",CAST(_ROWID_ AS TEXT) FROM " + table + "_temp;");
        db.execute("DROP TABLE " + table + "_temp;");
        config.columns[ALLOY_ID_DEFAULT] = "TEXT UNIQUE";
        config.adapter.idAttribute = ALLOY_ID_DEFAULT;
    }

this.deleteRow = function(columns) {
        var sql = "DELETE FROM " + this.table;
        var keys = _.keys(columns);
        var len = keys.length;
        var conditions = [];
        var values = [];
        len && (sql += " WHERE ");
        for (var i = 0; len > i; i++) {
            conditions.push(keys[i] + " = ?");
            values.push(columns[keys[i]]);
        }
        sql += conditions.join(" AND ");
        this.db.execute(sql, values);
    };
}

}
        rs.close();
    } else {
        {
            config.adapter.idAttribute ? config.adapter.idAttribute : ALLOY_ID_DEFAULT;
        }
        for (var k in config.columns) {
            cName = k;
            cType = config.columns[k];
            cName !== ALLOY_ID_DEFAULT || config.adapter.idAttribute ? k === config.adapter.idAttribute && (cType += " UNIQUE") : config.adapter.idAttribute = ALLOY_ID_DEFAULT;
            columns[cName] = cType;
        }
    }
    config.columns = columns;
    if (config.adapter.idAttribute) {
        if (!_.contains(_.keys(config.columns), config.adapter.idAttribute)) throw 'config.adapter.idAttribute "' + config.adapter.idAttribute + '" not found in list of columns for table "' + table + '"\ncolumns: [' + _.keys(config.columns).join(",") + "]";
    } else {
        Ti.API.info('No config.adapter.idAttribute specified for table "' + table + '"');
        Ti.API.info('Adding "' + ALLOY_ID_DEFAULT + '" to uniquely identify rows');
        var fullStrings = [], colStrings = [];
        _.each(config.columns, function(type, name) {
            colStrings.push(name);
            fullStrings.push(name + " " + type);
        });
        var colsString = colStrings.join(",");
        db.execute("ALTER TABLE " + table + " RENAME TO " + table + "_temp;");
        db.execute("CREATE TABLE " + table + "(" + fullStrings.join(",") + "," + ALLOY_ID_DEFAULT + " TEXT UNIQUE);");
        db.execute("INSERT INTO " + table + "(" + colsString + "," + ALLOY_ID_DEFAULT + ") SELECT " + colsString + ",CAST(_ROWID_ AS TEXT) FROM " + table + "_temp;");
        db.execute("DROP TABLE " + table + "_temp;");
        config.columns[ALLOY_ID_DEFAULT] = "TEXT UNIQUE";
        config.adapter.idAttribute = ALLOY_ID_DEFAULT;
    }