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import { QueryPromise } from 'drizzle-orm/query-promise'
import { Param, SQL, type SQL as SQLType, sql as yql } from 'drizzle-orm/sql/sql'
import type { Subquery } from 'drizzle-orm/subquery'
import { Table } from 'drizzle-orm/table'
import { haveSameKeys } from 'drizzle-orm/utils'
import type { YdbPreparedQueryConfig, YdbSession } from '../session.js'
import type { YdbTable } from '../table.js'
import type { YdbColumn } from '../columns/common.js'
import { type YdbSelectedFieldsOrdered, orderSelectedFields } from '../result-mapping.js'
import { YdbDialect } from '../../ydb/dialect.js'
import {
getInsertColumnEntries,
getPrimaryColumnKeys,
getTableColumns,
resolveInsertValue,
validateTableColumnKeys,
} from './utils.js'
import { YdbQueryBuilder } from './query-builder.js'
type InsertValues = Record<string, unknown>
type OnDuplicateKeyUpdateConfig = { set: InsertValues }
type InsertCommand = 'insert' | 'upsert' | 'replace'
type InsertSelectQuery =
| SQLType
| {
getSQL(): SQLType
getSelectedFields(): Record<string, unknown> | undefined
}
function qualifyAlias(alias: string, columnName: string): SQLType {
return yql`${yql.identifier(alias)}.${yql.identifier(columnName)}`
}
function resolveOnDuplicateValue(column: YdbColumn, value: unknown): unknown {
return is(value, SQL) || is(value, Param) ? value : yql.param(value, column)
}
function capitalize(value: string): string {
return value.charAt(0).toUpperCase() + value.slice(1)
}
function getAllReturningFields(table: YdbTable): Record<string, unknown> {
return (table as any)[(Table as any).Symbol.Columns] ?? {}
}
function getProvidedColumnEntries(
table: YdbTable,
rows: InsertValues[],
command: InsertCommand
): Array<[string, YdbColumn]> {
let firstRow = rows[0] ?? {}
let firstKeys = Object.keys(firstRow)
Iif (firstKeys.length === 0) {
throw new Error(`YDB ${command} values must include at least one column`)
}
for (let row of rows) {
validateTableColumnKeys(table, row, command)
if (!haveSameKeys(firstRow, row)) {
throw new Error(`YDB ${command} values must provide the same columns for every row`)
}
}
let keys = new Set(firstKeys)
return getInsertColumnEntries(table).filter(([key]) => keys.has(key))
}
function hasRuntimeInsertValue(column: YdbColumn): boolean {
return (
column.defaultFn !== undefined ||
column.default !== undefined ||
column.onUpdateFn !== undefined
)
}
function getDefaultAwareInsertColumnEntries(
table: YdbTable,
rows: InsertValues[]
): Array<[string, YdbColumn]> {
let explicitKeys = new Set<string>()
for (let row of rows) {
validateTableColumnKeys(table, row, 'insert')
for (let key of Object.keys(row)) {
explicitKeys.add(key)
}
}
let entries = getInsertColumnEntries(table).filter(
([key, column]) => explicitKeys.has(key) || hasRuntimeInsertValue(column)
)
for (let row of rows) {
for (let [key, column] of entries) {
Iif (!(key in row) && !hasRuntimeInsertValue(column)) {
throw new Error(
'YDB insert values must provide the same non-default columns for every row'
)
}
}
}
return entries
}
function getSelectColumnEntries(
table: YdbTable,
fields: Record<string, unknown> | undefined,
command: InsertCommand
): Array<[string, YdbColumn]> {
let selectedKeys = Object.keys(fields ?? {})
Iif (selectedKeys.length === 0) {
throw new Error(
'Insert select error: selected fields must include at least one table column'
)
}
let columns = getTableColumns(table)
let insertableColumns = new Map(getInsertColumnEntries(table))
for (let key of selectedKeys) {
if (!(key in columns)) {
throw new Error(
`Insert select error: selected field "${key}" is not a column of the target table`
)
}
Iif (!insertableColumns.has(key)) {
throw new Error(
`Insert select error: selected field "${key}" is not insertable in ${command}()`
)
}
}
return selectedKeys.map((key) => [key, insertableColumns.get(key)!])
}
abstract class YdbInsertLikeBuilder<TResult = unknown> extends QueryPromise<TResult> {
protected valuesData: InsertValues | InsertValues[] | undefined
protected selectQuery: InsertSelectQuery | undefined
protected selectColumnEntries: Array<[string, YdbColumn]> | undefined
protected returningFields: YdbSelectedFieldsOrdered | undefined
protected readonly table: YdbTable
protected readonly session: YdbSession
protected readonly dialect: YdbDialect
protected readonly withList: Subquery[]
protected readonly command: InsertCommand
readonly #valuesColumnMode: 'all' | 'provided' | 'default-aware'
constructor(
table: YdbTable,
session: YdbSession,
dialect: YdbDialect,
withList: Subquery[],
command: InsertCommand,
valuesColumnMode: 'all' | 'provided' | 'default-aware'
) {
super()
this.table = table
this.session = session
this.dialect = dialect
this.withList = withList
this.command = command
this.#valuesColumnMode = valuesColumnMode
}
values(values: InsertValues | InsertValues[]): this {
this.valuesData = values
this.selectQuery = undefined
this.selectColumnEntries = undefined
return this
}
select(query: InsertSelectQuery | ((qb: YdbQueryBuilder) => InsertSelectQuery)): this {
let resolved =
typeof query === 'function' ? query(new YdbQueryBuilder(this.dialect)) : query
this.selectQuery = resolved
this.selectColumnEntries = is(resolved, SQL)
? undefined
: getSelectColumnEntries(this.table, resolved.getSelectedFields(), this.command)
this.valuesData = undefined
return this
}
protected setReturning(fields: Record<string, unknown>): this {
let orderedFields = orderSelectedFields(fields)
Iif (orderedFields.length === 0) {
throw new Error('YDB returning() requires at least one field')
}
this.returningFields = orderedFields
return this
}
protected getRows(): InsertValues[] {
if (!this.valuesData) {
throw new Error(`${capitalize(this.command)} values are missing`)
}
let rows = Array.isArray(this.valuesData) ? this.valuesData : [this.valuesData]
if (rows.length === 0) {
throw new Error(`${capitalize(this.command)} values are empty`)
}
for (let row of rows) {
validateTableColumnKeys(this.table, row, this.command)
}
return rows
}
protected buildStandardQuery(): SQLType {
if (this.selectQuery) {
return this.dialect.buildInsertQuery({
table: this.table,
values: this.selectQuery,
select: true,
withList: this.withList,
command: this.command,
columnEntries: this.selectColumnEntries,
returning: this.returningFields,
})
}
let rows = this.getRows()
let columnEntries =
this.#valuesColumnMode === 'all'
? getInsertColumnEntries(this.table)
: this.#valuesColumnMode === 'default-aware'
? getDefaultAwareInsertColumnEntries(this.table, rows)
: getProvidedColumnEntries(this.table, rows, this.command)
return this.dialect.buildInsertQuery({
table: this.table,
values: rows,
withList: this.withList,
command: this.command,
columnEntries,
returning: this.returningFields,
})
}
getSQL(): SQLType {
return this.buildStandardQuery()
}
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 YdbInsertBuilder<TResult = unknown> extends YdbInsertLikeBuilder<TResult> {
#onDuplicateSet: InsertValues | undefined
constructor(
table: YdbTable,
session: YdbSession,
dialect = new YdbDialect(),
withList: Subquery[] = []
) {
super(table, session, dialect, withList, 'insert', 'default-aware')
}
returning(fields: Record<string, unknown> = getAllReturningFields(this.table)): this {
return this.setReturning(fields)
}
onDuplicateKeyUpdate(config: OnDuplicateKeyUpdateConfig): this {
validateTableColumnKeys(this.table, config.set, 'update')
this.#onDuplicateSet = { ...config.set }
return this
}
#buildOnDuplicateKeyUpdateQuery(rows: InsertValues[]): SQLType {
if (this.selectQuery) {
throw new Error('YDB onDuplicateKeyUpdate() does not support insert().select(...)')
}
let columnEntries = getInsertColumnEntries(this.table)
Iif (columnEntries.length === 0) {
throw new Error('Insertable columns are missing')
}
let columnsByKey = new Map(columnEntries)
let primaryColumns = getPrimaryColumnKeys(this.table)
.map((key) => columnsByKey.get(key))
.filter((column): column is YdbColumn => column !== undefined)
let primaryColumnSet = new Set(primaryColumns)
Iif (primaryColumns.length === 0) {
throw new Error('YDB onDuplicateKeyUpdate() requires at least one primary key column')
}
let incomingAlias = '__ydb_incoming'
let incomingSql = yql.join(
rows.map(
(row) =>
yql`select ${yql.join(
columnEntries.map(
([key, column]) =>
yql`${resolveInsertValue(column, row[key])} as ${yql.identifier(column.name)}`
),
yql`, `
)}`
),
yql` union all `
)
let conflictDetectedSql = yql`${this.table}.${yql.identifier(primaryColumns[0]!.name)}`
let mergedSelections = yql.join(
columnEntries.map(([key, column]) => {
if (primaryColumnSet.has(column)) {
return yql`${qualifyAlias(incomingAlias, column.name)} as ${yql.identifier(column.name)}`
}
Eif (this.#onDuplicateSet && key in this.#onDuplicateSet) {
return yql`case when ${conflictDetectedSql} is null then ${qualifyAlias(
incomingAlias,
column.name
)} else ${resolveOnDuplicateValue(column, this.#onDuplicateSet[key])} end as ${yql.identifier(column.name)}`
}
return yql`case when ${conflictDetectedSql} is null then ${qualifyAlias(
incomingAlias,
column.name
)} else ${column} end as ${yql.identifier(column.name)}`
}),
yql`, `
)
let joinSql = yql.join(
primaryColumns.map(
(column) => yql`${column} = ${qualifyAlias(incomingAlias, column.name)}`
),
yql` and `
)
let columnList = yql.join(
columnEntries.map(([, column]) => yql.identifier(column.name)),
yql`, `
)
let withSql = this.dialect.buildWithCTE([
...this.withList,
{ _: { alias: incomingAlias, sql: incomingSql } } as any,
])
let returningSql = this.returningFields
? yql` returning ${this.dialect.buildReturningSelection(this.returningFields)}`
: undefined
return yql`${withSql}upsert into ${this.table} (${columnList}) select ${mergedSelections} from ${yql.raw(
`$${incomingAlias}`
)} as ${yql.identifier(incomingAlias)} left join ${this.table} on ${joinSql}${returningSql}`
}
override getSQL(): SQLType {
if (this.#onDuplicateSet) {
if (this.selectQuery) {
return this.#buildOnDuplicateKeyUpdateQuery([])
}
let rows = this.getRows()
return this.#buildOnDuplicateKeyUpdateQuery(rows)
}
return this.buildStandardQuery()
}
}
export class YdbUpsertBuilder<TResult = unknown> extends YdbInsertLikeBuilder<TResult> {
constructor(
table: YdbTable,
session: YdbSession,
dialect = new YdbDialect(),
withList: Subquery[] = []
) {
super(table, session, dialect, withList, 'upsert', 'provided')
}
returning(fields: Record<string, unknown> = getAllReturningFields(this.table)): this {
return this.setReturning(fields)
}
}
export class YdbReplaceBuilder<TResult = unknown> extends YdbInsertLikeBuilder<TResult> {
constructor(
table: YdbTable,
session: YdbSession,
dialect = new YdbDialect(),
withList: Subquery[] = []
) {
super(table, session, dialect, withList, 'replace', 'all')
}
returning(): never {
throw new Error('YDB replace().returning() is not documented or supported')
}
}
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