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import { QueryPromise } from 'drizzle-orm/query-promise'
import { SQL, type SQL as SQLType, type SQLWrapper } from 'drizzle-orm/sql/sql'
import type { Subquery } from 'drizzle-orm/subquery'
import { Table } from 'drizzle-orm/table'
import type { YdbPreparedQueryConfig, YdbSession } from '../session.js'
import type { YdbTable } from '../table.js'
import { type YdbSelectedFieldsOrdered, orderSelectedFields } from '../result-mapping.js'
import { YdbDialect } from '../../ydb/dialect.js'
import { validateSetBasedMutationSelection } from './utils.js'
import { YdbQueryBuilder } from './query-builder.js'
type DeleteOnQuery =
| SQLType
| {
getSQL(): SQLType
getSelectedFields(): Record<string, unknown> | undefined
}
function getAllReturningFields(table: YdbTable): Record<string, unknown> {
return (table as any)[(Table as any).Symbol.Columns] ?? {}
}
export class YdbDeleteBuilder<TResult = unknown> extends QueryPromise<TResult> {
#whereClause: SQLType | undefined
#usingTables: SQLWrapper[] = []
#onQuery: DeleteOnQuery | undefined
#returningFields: YdbSelectedFieldsOrdered | undefined
readonly #table: YdbTable
readonly #session: YdbSession
readonly #dialect: YdbDialect
readonly #withList: Subquery[]
constructor(
table: YdbTable,
session: YdbSession,
dialect = new YdbDialect(),
withList: Subquery[] = []
) {
super()
this.#table = table
this.#session = session
this.#dialect = dialect
this.#withList = withList
}
where(where: SQLType | undefined): this {
if (this.#onQuery) {
throw new Error('YDB delete().on() does not support where()')
}
this.#whereClause = where ?? undefined
return this
}
using(...tables: SQLWrapper[]): this {
if (this.#onQuery) {
throw new Error('YDB delete().on() does not support using()')
}
this.#usingTables = [...tables]
return this
}
on(query: DeleteOnQuery | ((qb: YdbQueryBuilder) => DeleteOnQuery)): this {
let resolved =
typeof query === 'function' ? query(new YdbQueryBuilder(this.#dialect)) : query
Eif (!is(resolved, SQL)) {
validateSetBasedMutationSelection(this.#table, resolved.getSelectedFields(), 'delete')
}
this.#onQuery = resolved
this.#whereClause = undefined
this.#usingTables = []
return this
}
returning(fields: Record<string, unknown> = getAllReturningFields(this.#table)): this {
let orderedFields = orderSelectedFields(fields)
Iif (orderedFields.length === 0) {
throw new Error('YDB returning() requires at least one field')
}
this.#returningFields = orderedFields
return this
}
getSQL(): SQLType {
if (this.#onQuery) {
let onSql = is(this.#onQuery, SQL) ? this.#onQuery : this.#onQuery.getSQL()
return this.#dialect.buildDeleteQuery({
table: this.#table,
on: onSql,
withList: this.#withList,
returning: this.#returningFields,
})
}
return this.#dialect.buildDeleteQuery({
table: this.#table,
where: this.#whereClause,
using: this.#usingTables.length > 0 ? [...this.#usingTables] : undefined,
withList: this.#withList,
returning: this.#returningFields,
})
}
toSQL() {
let { typings: _typings, ...query } = this.#dialect.sqlToQuery(this.getSQL())
return query
}
prepare(name?: string) {
return this.#session.prepareQuery<YdbPreparedQueryConfig & { execute: TResult }>(
this.getSQL(),
this.#returningFields,
name,
this.#returningFields !== undefined
)
}
override execute(): Promise<TResult> {
return this.prepare().execute() as Promise<TResult>
}
}
export class YdbBatchDeleteBuilder<TResult = unknown> extends QueryPromise<TResult> {
#whereClause: SQLType | undefined
readonly #table: YdbTable
readonly #session: YdbSession
readonly #dialect: YdbDialect
constructor(table: YdbTable, session: YdbSession, dialect = new YdbDialect()) {
super()
this.#table = table
this.#session = session
this.#dialect = dialect
}
where(where: SQLType | undefined): this {
this.#whereClause = where ?? undefined
return this
}
using(): never {
throw new Error('YDB batchDelete().using() is not supported')
}
on(): never {
throw new Error('YDB batchDelete().on() is not supported')
}
returning(): never {
throw new Error('YDB batchDelete().returning() is not supported')
}
getSQL(): SQLType {
return this.#dialect.buildDeleteQuery({
table: this.#table,
where: this.#whereClause,
batch: true,
})
}
toSQL() {
let { typings: _typings, ...query } = this.#dialect.sqlToQuery(this.getSQL())
return query
}
prepare(name?: string) {
return this.#session.prepareQuery<YdbPreparedQueryConfig & { execute: TResult }>(
this.getSQL(),
undefined,
name,
false
)
}
override execute(): Promise<TResult> {
return this.prepare().execute() as Promise<TResult>
}
}
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