rawsql-ts/dist/esm/transformers/ExistsPredicateInjector.d.ts

High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.

import { SelectQuery } from "../models/SelectQuery";
import { SqlParameterValue } from "../models/ValueComponent";
/**
 * Represents an EXISTS / NOT EXISTS instruction derived from filter metadata.
 */
export interface ExistsInstruction {
    mode: "exists" | "notExists";
    anchorColumns: string[];
    sql: string;
    params?: Record<string, SqlParameterValue>;
}
/**
 * Configuration that controls how EXISTS predicates are injected.
 */
export interface ExistsPredicateOptions {
    tableColumnResolver?: (tableName: string) => string[];
    strict?: boolean;
}
/**
 * Describes a correlated subquery that renders an EXISTS/NOT EXISTS predicate.
 */
export interface ExistsSubqueryDefinition {
    /** SQL that references the `$c#` placeholders for the anchor columns. */
    sql: string;
    /** Optional named parameters that the subquery requires. */
    params?: Record<string, SqlParameterValue>;
}
/**
 * Injects EXISTS/NOT EXISTS predicates into the provided SelectQuery.
 * Each instruction is evaluated independently so failures can be skipped
 * when `strict` is false.
 */
export declare function injectExistsPredicates(query: SelectQuery, instructions: ExistsInstruction[], options?: ExistsPredicateOptions): SelectQuery;