insert(data, columns, table) {
            return method.insert(data, columns, table, capSQL());
        }
@namespace helpers
@description
Namespace for query-formatting generators, available as {@link module:pg-promise~helpers pgp.helpers}, after initializing the library.

It unifies the approach to generating multi-row `INSERT` / `UPDATE` queries with the single-row ones.

See also: $[Performance Boost].

@property {function} TableName
{@link helpers.TableName TableName} class constructor.

@property {function} _TN
{@link helpers._TN _TN} Table-Name conversion function.

@property {function} ColumnSet
{@link helpers.ColumnSet ColumnSet} class constructor.

@property {function} Column
{@link helpers.Column Column} class constructor.

@property {function} insert
{@link helpers.insert insert} static method.

@property {function} update
{@link helpers.update update} static method.

@property {function} values
{@link helpers.values values} static method.

@property {function} sets
{@link helpers.sets sets} static method.

@property {function} concat
{@link helpers.concat concat} static method.