kysely
Version:
Type safe SQL query builder
369 lines (368 loc) • 14.4 kB
JavaScript
/// <reference types="./select-query-builder.d.ts" />
import { AliasNode } from '../operation-node/alias-node.js';
import { SelectModifierNode } from '../operation-node/select-modifier-node.js';
import { parseJoin, } from '../parser/join-parser.js';
import { parseTable } from '../parser/table-parser.js';
import { parseSelectArg, parseSelectAll, } from '../parser/select-parser.js';
import { parseReferenceExpressionOrList, } from '../parser/reference-parser.js';
import { SelectQueryNode } from '../operation-node/select-query-node.js';
import { QueryNode } from '../operation-node/query-node.js';
import { parseOrderBy, } from '../parser/order-by-parser.js';
import { preventAwait } from '../util/prevent-await.js';
import { LimitNode } from '../operation-node/limit-node.js';
import { OffsetNode } from '../operation-node/offset-node.js';
import { asArray, freeze } from '../util/object-utils.js';
import { parseGroupBy } from '../parser/group-by-parser.js';
import { isNoResultErrorConstructor, NoResultError, } from './no-result-error.js';
import { IdentifierNode } from '../operation-node/identifier-node.js';
import { parseSetOperations, } from '../parser/set-operation-parser.js';
import { parseValueBinaryOperationOrExpression, parseReferentialBinaryOperation, } from '../parser/binary-operation-parser.js';
import { ExpressionWrapper } from '../expression/expression-wrapper.js';
import { parseValueExpression, } from '../parser/value-parser.js';
import { parseFetch } from '../parser/fetch-parser.js';
import { parseTop } from '../parser/top-parser.js';
class SelectQueryBuilderImpl {
#props;
constructor(props) {
this.#props = freeze(props);
}
get expressionType() {
return undefined;
}
get isSelectQueryBuilder() {
return true;
}
where(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithWhere(this.#props.queryNode, parseValueBinaryOperationOrExpression(args)),
});
}
whereRef(lhs, op, rhs) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithWhere(this.#props.queryNode, parseReferentialBinaryOperation(lhs, op, rhs)),
});
}
having(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithHaving(this.#props.queryNode, parseValueBinaryOperationOrExpression(args)),
});
}
havingRef(lhs, op, rhs) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithHaving(this.#props.queryNode, parseReferentialBinaryOperation(lhs, op, rhs)),
});
}
select(selection) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSelections(this.#props.queryNode, parseSelectArg(selection)),
});
}
distinctOn(selection) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithDistinctOn(this.#props.queryNode, parseReferenceExpressionOrList(selection)),
});
}
modifyFront(modifier) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithFrontModifier(this.#props.queryNode, SelectModifierNode.createWithExpression(modifier.toOperationNode())),
});
}
modifyEnd(modifier) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.createWithExpression(modifier.toOperationNode())),
});
}
distinct() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithFrontModifier(this.#props.queryNode, SelectModifierNode.create('Distinct')),
});
}
forUpdate(of) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('ForUpdate', of ? asArray(of).map(parseTable) : undefined)),
});
}
forShare(of) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('ForShare', of ? asArray(of).map(parseTable) : undefined)),
});
}
forKeyShare(of) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('ForKeyShare', of ? asArray(of).map(parseTable) : undefined)),
});
}
forNoKeyUpdate(of) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('ForNoKeyUpdate', of ? asArray(of).map(parseTable) : undefined)),
});
}
skipLocked() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('SkipLocked')),
});
}
noWait() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithEndModifier(this.#props.queryNode, SelectModifierNode.create('NoWait')),
});
}
selectAll(table) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSelections(this.#props.queryNode, parseSelectAll(table)),
});
}
innerJoin(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('InnerJoin', args)),
});
}
leftJoin(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('LeftJoin', args)),
});
}
rightJoin(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('RightJoin', args)),
});
}
fullJoin(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('FullJoin', args)),
});
}
innerJoinLateral(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('LateralInnerJoin', args)),
});
}
leftJoinLateral(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithJoin(this.#props.queryNode, parseJoin('LateralLeftJoin', args)),
});
}
orderBy(...args) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithOrderByItems(this.#props.queryNode, parseOrderBy(args)),
});
}
groupBy(groupBy) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithGroupByItems(this.#props.queryNode, parseGroupBy(groupBy)),
});
}
limit(limit) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithLimit(this.#props.queryNode, LimitNode.create(parseValueExpression(limit))),
});
}
offset(offset) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithOffset(this.#props.queryNode, OffsetNode.create(parseValueExpression(offset))),
});
}
fetch(rowCount, modifier = 'only') {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithFetch(this.#props.queryNode, parseFetch(rowCount, modifier)),
});
}
top(expression, modifiers) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithTop(this.#props.queryNode, parseTop(expression, modifiers)),
});
}
union(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('union', expression, false)),
});
}
unionAll(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('union', expression, true)),
});
}
intersect(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('intersect', expression, false)),
});
}
intersectAll(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('intersect', expression, true)),
});
}
except(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('except', expression, false)),
});
}
exceptAll(expression) {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithSetOperations(this.#props.queryNode, parseSetOperations('except', expression, true)),
});
}
as(alias) {
return new AliasedSelectQueryBuilderImpl(this, alias);
}
clearSelect() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithoutSelections(this.#props.queryNode),
});
}
clearWhere() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithoutWhere(this.#props.queryNode),
});
}
clearLimit() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithoutLimit(this.#props.queryNode),
});
}
clearOffset() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithoutOffset(this.#props.queryNode),
});
}
clearOrderBy() {
return new SelectQueryBuilderImpl({
...this.#props,
queryNode: SelectQueryNode.cloneWithoutOrderBy(this.#props.queryNode),
});
}
$call(func) {
return func(this);
}
$if(condition, func) {
if (condition) {
return func(this);
}
return new SelectQueryBuilderImpl({
...this.#props,
});
}
$castTo() {
return new SelectQueryBuilderImpl(this.#props);
}
$narrowType() {
return new SelectQueryBuilderImpl(this.#props);
}
$assertType() {
return new SelectQueryBuilderImpl(this.#props);
}
$asTuple() {
return new ExpressionWrapper(this.toOperationNode());
}
withPlugin(plugin) {
return new SelectQueryBuilderImpl({
...this.#props,
executor: this.#props.executor.withPlugin(plugin),
});
}
toOperationNode() {
return this.#props.executor.transformQuery(this.#props.queryNode, this.#props.queryId);
}
compile() {
return this.#props.executor.compileQuery(this.toOperationNode(), this.#props.queryId);
}
async execute() {
const compiledQuery = this.compile();
const result = await this.#props.executor.executeQuery(compiledQuery, this.#props.queryId);
return result.rows;
}
async executeTakeFirst() {
const [result] = await this.execute();
return result;
}
async executeTakeFirstOrThrow(errorConstructor = NoResultError) {
const result = await this.executeTakeFirst();
if (result === undefined) {
const error = isNoResultErrorConstructor(errorConstructor)
? new errorConstructor(this.toOperationNode())
: errorConstructor(this.toOperationNode());
throw error;
}
return result;
}
async *stream(chunkSize = 100) {
const compiledQuery = this.compile();
const stream = this.#props.executor.stream(compiledQuery, chunkSize, this.#props.queryId);
for await (const item of stream) {
yield* item.rows;
}
}
async explain(format, options) {
const builder = new SelectQueryBuilderImpl({
...this.#props,
queryNode: QueryNode.cloneWithExplain(this.#props.queryNode, format, options),
});
return await builder.execute();
}
}
preventAwait(SelectQueryBuilderImpl, "don't await SelectQueryBuilder instances directly. To execute the query you need to call `execute` or `executeTakeFirst`.");
export function createSelectQueryBuilder(props) {
return new SelectQueryBuilderImpl(props);
}
/**
* {@link SelectQueryBuilder} with an alias. The result of calling {@link SelectQueryBuilder.as}.
*/
class AliasedSelectQueryBuilderImpl {
#queryBuilder;
#alias;
constructor(queryBuilder, alias) {
this.#queryBuilder = queryBuilder;
this.#alias = alias;
}
get expression() {
return this.#queryBuilder;
}
get alias() {
return this.#alias;
}
get isAliasedSelectQueryBuilder() {
return true;
}
toOperationNode() {
return AliasNode.create(this.#queryBuilder.toOperationNode(), IdentifierNode.create(this.#alias));
}
}
preventAwait(AliasedSelectQueryBuilderImpl, "don't await AliasedSelectQueryBuilder instances directly. AliasedSelectQueryBuilder should never be executed directly since it's always a part of another query.");