kysely
Version:
Type safe SQL query builder
65 lines (64 loc) • 2.36 kB
TypeScript
import { DynamicReferenceBuilder } from '../dynamic/dynamic-reference-builder.js';
import { OperationNodeSource } from '../operation-node/operation-node-source.js';
import { OverNode } from '../operation-node/over-node.js';
import { OrderByDirectionExpression } from '../parser/order-by-parser.js';
import { PartitionByExpression } from '../parser/partition-by-parser.js';
import { StringReference } from '../parser/reference-parser.js';
export declare class OverBuilder<DB, TB extends keyof DB> implements OperationNodeSource {
#private;
constructor(props: OverBuilderProps);
/**
* Adds an order by clause item inside the over function.
*
* ```ts
* const result = await db
* .selectFrom('person')
* .select(
* (eb) => eb.fn.avg<number>('age').over(
* ob => ob.orderBy('first_name', 'asc').orderBy('last_name', 'asc')
* ).as('average_age')
* )
* .execute()
* ```
*
* The generated SQL (PostgreSQL):
*
* ```sql
* select avg("age") over(order by "first_name" asc, "last_name" asc) as "average_age"
* from "person"
* ```
*/
orderBy<OE extends StringReference<DB, TB> | DynamicReferenceBuilder<any>>(orderBy: OE, direction?: OrderByDirectionExpression): OverBuilder<DB, TB>;
/**
* Adds partition by clause item/s inside the over function.
*
* ```ts
* const result = await db
* .selectFrom('person')
* .select(
* (eb) => eb.fn.avg<number>('age').over(
* ob => ob.partitionBy(['last_name', 'first_name'])
* ).as('average_age')
* )
* .execute()
* ```
*
* The generated SQL (PostgreSQL):
*
* ```sql
* select avg("age") over(partition by "last_name", "first_name") as "average_age"
* from "person"
* ```
*/
partitionBy(partitionBy: ReadonlyArray<PartitionByExpression<DB, TB>>): OverBuilder<DB, TB>;
partitionBy<PE extends PartitionByExpression<DB, TB>>(partitionBy: PE): OverBuilder<DB, TB>;
/**
* Simply calls the provided function passing `this` as the only argument. `$call` returns
* what the provided function returns.
*/
$call<T>(func: (qb: this) => T): T;
toOperationNode(): OverNode;
}
export interface OverBuilderProps {
readonly overNode: OverNode;
}