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@tanstack/db

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A reactive client store for building super fast apps on sync

tanstack.com/db

TanStack/db

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import { BasicExpression } from '../ir.js'; /** * Functions supported by the collection index system. * These are the only functions that can be used in WHERE clauses * that are pushed down to collection subscriptions for index optimization. */ export declare const SUPPORTED_COLLECTION_FUNCS: Set<string>; /** * Determines if a WHERE clause can be converted to collection-compatible BasicExpression format. * This checks if the expression only uses functions supported by the collection index system. * * @param whereClause - The WHERE clause to check * @returns True if the clause can be converted for collection index optimization */ export declare function isConvertibleToCollectionFilter(whereClause: BasicExpression<boolean>): boolean; /** * Converts a WHERE clause to BasicExpression format compatible with collection indexes. * This function creates proper BasicExpression class instances that the collection * index system can understand. * * @param whereClause - The WHERE clause to convert * @param collectionAlias - The alias of the collection being filtered * @returns The converted BasicExpression or null if conversion fails */ export declare function convertToBasicExpression(whereClause: BasicExpression<boolean>, collectionAlias: string): BasicExpression<boolean> | null;