kysely
Version:
Type safe SQL query builder
98 lines (97 loc) • 3.29 kB
JavaScript
/// <reference types="./create-view-builder.d.ts" />
import { preventAwait } from '../util/prevent-await.js';
import { freeze } from '../util/object-utils.js';
import { CreateViewNode } from '../operation-node/create-view-node.js';
import { parseColumnName } from '../parser/reference-parser.js';
import { ImmediateValuePlugin } from '../plugin/immediate-value/immediate-value-plugin.js';
export class CreateViewBuilder {
#props;
constructor(props) {
this.#props = freeze(props);
}
/**
* Adds the "temporary" modifier.
*
* Use this to create a temporary view.
*/
temporary() {
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
temporary: true,
}),
});
}
materialized() {
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
materialized: true,
}),
});
}
/**
* Only implemented on some dialects like SQLite. On most dialects, use {@link orReplace}.
*/
ifNotExists() {
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
ifNotExists: true,
}),
});
}
orReplace() {
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
orReplace: true,
}),
});
}
columns(columns) {
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
columns: columns.map(parseColumnName),
}),
});
}
/**
* Sets the select query or a `values` statement that creates the view.
*
* WARNING!
* Some dialects don't support parameterized queries in DDL statements and therefore
* the query or raw {@link sql } expression passed here is interpolated into a single
* string opening an SQL injection vulnerability. DO NOT pass unchecked user input
* into the query or raw expression passed to this method!
*/
as(query) {
const queryNode = query
.withPlugin(new ImmediateValuePlugin())
.toOperationNode();
return new CreateViewBuilder({
...this.#props,
node: CreateViewNode.cloneWith(this.#props.node, {
as: queryNode,
}),
});
}
/**
* Simply calls the provided function passing `this` as the only argument. `$call` returns
* what the provided function returns.
*/
$call(func) {
return func(this);
}
toOperationNode() {
return this.#props.executor.transformQuery(this.#props.node, this.#props.queryId);
}
compile() {
return this.#props.executor.compileQuery(this.toOperationNode(), this.#props.queryId);
}
async execute() {
await this.#props.executor.executeQuery(this.compile(), this.#props.queryId);
}
}
preventAwait(CreateViewBuilder, "don't await CreateViewBuilder instances directly. To execute the query you need to call `execute`");