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