kysely-mapper/dist/esm/queries/subsetting-update-query.js

Flexible Kysely-based utility for mapping between tables and objects

import { MappingUpdateQuery } from './update-query.js';
import { CompilingMappingUpdateQuery } from './compiling-update-query.js';
import { restrictValues } from '../lib/restrict-values.js';
/**
 * Mapping query for updating rows into a database table,
 * updating a specified subset of the updateable columns.
 */
export class SubsettingMappingUpdateQuery extends MappingUpdateQuery {
    constructor(db, qb, columnsToUpdate, transforms, returnColumns) {
        super(db, qb, transforms, returnColumns);
        this.columnsToUpdate = columnsToUpdate;
    }
    /**
     * 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() {
        return new CompilingMappingUpdateQuery(this.db, this.qb, this.columnsToUpdate, this.transforms, this.returnColumns);
    }
    getUpdateColumns() {
        return this.columnsToUpdate;
    }
    setColumnValues(qb, obj) {
        return qb.set(restrictValues(obj, this.columnsToUpdate));
    }
}
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