@tanstack/db/dist/esm/utils/index-optimization.d.ts

A reactive client store for building super fast apps on sync

import { BaseIndex } from '../indexes/base-index.js';
import { BasicExpression } from '../query/ir.js';
/**
 * Result of index-based query optimization
 */
export interface OptimizationResult<TKey> {
    canOptimize: boolean;
    matchingKeys: Set<TKey>;
}
/**
 * Finds an index that matches a given field path
 */
export declare function findIndexForField<TKey extends string | number>(indexes: Map<number, BaseIndex<TKey>>, fieldPath: Array<string>): BaseIndex<TKey> | undefined;
/**
 * Intersects multiple sets (AND logic)
 */
export declare function intersectSets<T>(sets: Array<Set<T>>): Set<T>;
/**
 * Unions multiple sets (OR logic)
 */
export declare function unionSets<T>(sets: Array<Set<T>>): Set<T>;
/**
 * Optimizes a query expression using available indexes to find matching keys
 */
export declare function optimizeExpressionWithIndexes<TKey extends string | number>(expression: BasicExpression, indexes: Map<number, BaseIndex<TKey>>): OptimizationResult<TKey>;
/**
 * Checks if an expression can be optimized
 */
export declare function canOptimizeExpression<TKey extends string | number>(expression: BasicExpression, indexes: Map<number, BaseIndex<TKey>>): boolean;