Class DuckDBHandler

new DuckDBHandler(
    db: AsyncDuckDBConnection,
    mod?: dist/esm/perspective.browser.d.ts,
): DuckDBHandler

getFeatures(): {
    aggregates: {
        boolean: string[];
        date: string[];
        datetime: string[];
        float: string[];
        integer: string[];
        string: string[];
    };
    expressions: boolean;
    filter_ops: {
        boolean: string[];
        date: string[];
        datetime: string[];
        float: string[];
        integer: string[];
        string: string[];
    };
    group_by: boolean;
    group_rollup_mode: string[];
    sort: boolean;
    split_by: boolean;
}

getHostedTables(): Promise<string[]>

tableMakeView(
    tableId: string,
    viewId: string,
    config: ViewConfig,
): Promise<void>

tableSchema(
    tableId: string,
    config?: ViewConfig,
): Promise<Record<string, ColumnType>>

tableSize(tableId: string): Promise<number>

tableValidateExpression(
    tableId: string,
    expression: string,
): Promise<ColumnType>

viewColumnSize(viewId: string, config: ViewConfig): Promise<number>

viewDelete(viewId: string): Promise<void>

viewGetData(
    viewId: string,
    config: ViewConfig,
    schema: Record<string, ColumnType>,
    viewport: ViewWindow,
    dataSlice: VirtualDataSlice,
): Promise<void>