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