90 lines
2.4 KiB
Plaintext
90 lines
2.4 KiB
Plaintext
import { entityKind, is } from "../../entity.js";
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import { GelDialect } from "../dialect.js";
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import { SelectionProxyHandler } from "../../selection-proxy.js";
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import { WithSubquery } from "../../subquery.js";
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import { GelSelectBuilder } from "./select.js";
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class QueryBuilder {
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static [entityKind] = "GelQueryBuilder";
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dialect;
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dialectConfig;
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constructor(dialect) {
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this.dialect = is(dialect, GelDialect) ? dialect : void 0;
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this.dialectConfig = is(dialect, GelDialect) ? void 0 : dialect;
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}
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$with(alias) {
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const queryBuilder = this;
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return {
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as(qb) {
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if (typeof qb === "function") {
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qb = qb(queryBuilder);
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}
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return new Proxy(
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new WithSubquery(qb.getSQL(), qb.getSelectedFields(), alias, true),
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new SelectionProxyHandler({ alias, sqlAliasedBehavior: "alias", sqlBehavior: "error" })
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);
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}
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};
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}
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with(...queries) {
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const self = this;
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function select(fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: self.getDialect(),
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withList: queries
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});
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}
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function selectDistinct(fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: self.getDialect(),
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distinct: true
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});
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}
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function selectDistinctOn(on, fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: self.getDialect(),
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distinct: { on }
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});
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}
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return { select, selectDistinct, selectDistinctOn };
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}
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select(fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: this.getDialect()
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});
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}
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selectDistinct(fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: this.getDialect(),
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distinct: true
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});
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}
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selectDistinctOn(on, fields) {
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return new GelSelectBuilder({
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fields: fields ?? void 0,
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session: void 0,
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dialect: this.getDialect(),
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distinct: { on }
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});
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}
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// Lazy load dialect to avoid circular dependency
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getDialect() {
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if (!this.dialect) {
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this.dialect = new GelDialect(this.dialectConfig);
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}
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return this.dialect;
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}
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}
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export {
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QueryBuilder
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};
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//# sourceMappingURL=query-builder.js.map |