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kysely-mapper

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Flexible Kysely-based utility for mapping between tables and objects

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import { Kysely, UpdateQueryBuilder, UpdateResult, Updateable } from 'kysely'; import { ParametersObject } from 'kysely-params'; import { SelectionColumn } from '../lib/type-utils.js'; import { MappingUpdateQuery } from './update-query.js'; import { ParameterizableMappingQuery } from './parameterizable-query.js'; import { CompilingMappingUpdateQuery } from './compiling-update-query.js'; import { CountTransform, UpdateTransforms } from '../mappers/table-mapper-transforms.js'; /** * Mapping query for updating rows into a database table, * updating a specified subset of the updateable columns. */ export declare class SubsettingMappingUpdateQuery<DB, TB extends keyof DB & string, QB extends UpdateQueryBuilder<DB, TB, TB, UpdateResult>, UpdatingObject, UpdateReturnColumns extends Readonly<SelectionColumn<DB, TB>[]> | ['*'], ReturnCount, UpdateReturn> extends MappingUpdateQuery<DB, TB, QB, UpdatingObject, UpdateReturnColumns, ReturnCount, UpdateReturn> implements ParameterizableMappingQuery { protected readonly columnsToUpdate: Readonly<(keyof Updateable<DB[TB]> & string)[]>; constructor(db: Kysely<DB>, qb: QB, columnsToUpdate: Readonly<(keyof Updateable<DB[TB]> & string)[]>, transforms: Readonly<CountTransform<ReturnCount> & UpdateTransforms<DB, TB, UpdatingObject, UpdateReturnColumns, UpdateReturn>>, returnColumns: Readonly<UpdateReturnColumns>); /** * Returns a compiling query that can be executed multiple times with * different parameters (if any parameters were provided), but which only * compiles the underlying Kysely query builder on the first execution. * Frees the query builder on the first execution to reduce memory usage. * @typeParam Parameters Record characterizing the parameter names and * types that were previously embedded in the query, if any. * @returns A compiling update query. */ compile<Parameters extends ParametersObject<Parameters> = {}>(): CompilingMappingUpdateQuery<DB, TB, QB, UpdatingObject, UpdateReturnColumns, ReturnCount, UpdateReturn, Parameters>; protected getUpdateColumns(): Readonly<(keyof Updateable<DB[TB]> & string)[]> | ['*']; protected setColumnValues(qb: UpdateQueryBuilder<DB, TB, TB, UpdateResult>, obj: Updateable<DB[TB]>): UpdateQueryBuilder<DB, TB, TB, UpdateResult>; } //# sourceMappingURL=subsetting-update-query.d.ts.map