import type { FieldContext } from '@vinejs/vine/types';
import type { Database } from '../database/main.js';
import type { DatabaseQueryBuilderContract } from './querybuilder.js';
/**
 * Options for the unique and the exists validations
 */
export type VineDbSearchOptions<ValueType> = {
    /**
     * Database table for the query
     */
    table: string;
    /**
     * The column against which to search the value
     */
    column?: string;
    /**
     * Specify a custom connection for the query
     */
    connection?: string;
    /**
     * Enable to perform a case insensitive search on the column. The
     * current value and the existing value in the database will be
     * lowercased using the "lower" function
     *
     * https://www.sqlite.org/lang_corefunc.html#lower
     * https://docs.aws.amazon.com/redshift/latest/dg/r_LOWER.html
     * https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_lower
     * https://www.postgresql.org/docs/9.1/functions-string.html
     * https://docs.microsoft.com/en-us/sql/t-sql/functions/lower-transact-sql?view=sql-server-ver15
     * https://coderwall.com/p/6yhsuq/improve-case-insensitive-queries-in-postgres-using-smarter-indexes
     */
    caseInsensitive?: boolean;
    /**
     * Apply a custom filter to the query builder
     */
    filter?: (db: DatabaseQueryBuilderContract, value: ValueType, field: FieldContext) => void | Promise<void>;
};
/**
 * Callback to self execute the query for the unique and the
 * exists validations
 */
export type VineDbSearchCallback<ValueType> = (db: Database, value: ValueType, field: FieldContext) => Promise<boolean>;