@uwdata/mosaic-sql/dist/src/functions/window-frame.d.ts

SQL query construction and analysis.

import type { FrameExclude, FrameExtent, FrameValue } from '../ast/window-frame.js';
import { WindowFrameExprNode, WindowFrameNode } from '../ast/window-frame.js';
/**
 * Return an updated window definition with the given rows frame.
 * @param extent The row-based window frame extent.
 * @param exclude The window frame exclusion criteria.
 * @returns A window frame node.
 */
export declare function frameRows(extent: FrameExtent, exclude?: FrameExclude): WindowFrameNode;
/**
 * Return an updated window definition with the given range frame.
 * @param extent The range-based window frame extent.
 * @param exclude The window frame exclusion criteria.
 * @returns A window frame node.
 */
export declare function frameRange(extent: FrameExtent, exclude?: FrameExclude): WindowFrameNode;
/**
 * Return an updated window definition with the given groups frame.
 * @param extent The group-based window frame extent.
 * @param exclude The window frame exclusion criteria.
 * @returns A window frame node.
 */
export declare function frameGroups(extent: FrameExtent, exclude?: FrameExclude): WindowFrameNode;
/**
 * A `PRECEDING` frame value expression.
 * @param value The frame value.
 * @returns A preceding value.
 */
export declare function preceding(value: FrameValue): WindowFrameExprNode;
/**
 * A `FOLLOWING` frame value expression.
 * @param value  The frame value.
 * @returns A following value.
 */
export declare function following(value: FrameValue): WindowFrameExprNode;
/**
 * A `CURRENT ROW` frame value expression.
 * @returns A current row value.
 */
export declare function currentRow(): WindowFrameExprNode;
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