import type { NewQuery, NewQueryJoin } from "./QueryBuilder";
import { type SelectItemValidated } from "./QueryBuilder";
import type { ViewHandler } from "../ViewHandler/ViewHandler";
import { type PGIdentifier } from "../DboBuilder";
type Args = {
    q1: NewQuery;
    q2: NewQueryJoin;
    selectParamsGroupBy: boolean;
};
/**
 * Rename all join columns to prevent name clash
 */
export declare const getJoinCol: (colName: string) => {
    alias: string;
    rootSelect: string;
};
export declare const JSON_AGG_FIELD_NAME = "prostgles_json_agg_result_field";
/**
 * Used for LIMIT and for sorting
 */
export declare const NESTED_ROWID_FIELD_NAME = "prostgles_rowid_field";
type GetJoinQueryResult = {
    resultAlias: PGIdentifier;
    firstJoinTableJoinFields: string[];
    isOrJoin: boolean;
    type: "cte";
    joinLines: string[];
    cteLines: string[];
};
/**
  Returns join query. All inner join tables will be prefixed with path index unless it's the final target table which is aliased using the q2 tableAlias

  LEFT JOIN (
    SELECT [target table select + join fields]
    FROM first_join/target_table
    JOIN ..next_joins ON ...
    JOIN target_table
  ) target_table
  ON ...condition
 */
export declare const getJoinQuery: (viewHandler: ViewHandler, { q1, q2 }: Args) => GetJoinQueryResult;
export type SelectItemNested = SelectItemValidated & {
    query: string;
    isJoinCol: boolean;
};
export {};
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