/// <reference path="querybuilder.d.ts" />
/// <reference types="@adonisjs/events/build/adonis-typings" />
/// <reference types="@adonisjs/profiler/build/adonis-typings/profiler" />
/// <reference types="node" />
/// <reference types="@adonisjs/logger/build/adonis-typings/logger" />
declare module '@ioc:Adonis/Lucid/Database' {
    import { Knex } from 'knex';
    import { Pool } from 'tarn';
    import { EventEmitter } from 'events';
    import { ConnectionOptions } from 'tls';
    import { EmitterContract } from '@ioc:Adonis/Core/Event';
    import { MacroableConstructorContract } from 'macroable';
    import { LoggerContract } from '@ioc:Adonis/Core/Logger';
    import { HealthReportEntry } from '@ioc:Adonis/Core/HealthCheck';
    import { LucidModel, ModelQueryBuilderContract } from '@ioc:Adonis/Lucid/Orm';
    import { ProfilerRowContract, ProfilerContract } from '@ioc:Adonis/Core/Profiler';
    /**
     * Same as knex. Need to redefine, as knex doesn't export this
     * type
     */
    export type IsolationLevels = 'read uncommitted' | 'read committed' | 'snapshot' | 'repeatable read' | 'serializable';
    /**
     * Migration node returned by the migration source
     * implementation
     */
    export type FileNode<T> = {
        filename?: string;
        absPath: string;
        name: string;
        getSource: () => T;
    };
    /**
     * Dialect specfic methods
     */
    export interface DialectContract {
        readonly name: 'mssql' | 'mysql' | 'oracledb' | 'postgres' | 'redshift' | 'sqlite3';
        readonly version?: string;
        readonly supportsAdvisoryLocks: boolean;
        readonly dateTimeFormat: string;
        getAllTables(schemas?: string[]): Promise<string[]>;
        dropAllTables(schemas?: string[]): Promise<void>;
        truncate(table: string, cascade?: boolean): Promise<void>;
        getAdvisoryLock(key: string | number, timeout?: number): Promise<boolean>;
        releaseAdvisoryLock(key: string | number): Promise<boolean>;
    }
    /**
     * Shape of the transaction function to create a new transaction
     */
    export interface TransactionFn {
        <T>(callback: (trx: TransactionClientContract) => Promise<T>, options?: {
            isolationLevel?: IsolationLevels;
        }): Promise<T>;
        (options?: {
            isolationLevel?: IsolationLevels;
        }): Promise<TransactionClientContract>;
    }
    /**
     * Shape of the query client, that is used to retrive instances
     * of query builder
     */
    export interface QueryClientContract {
        emitter: EmitterContract;
        /**
         * Custom profiler to time queries
         */
        profiler?: ProfilerRowContract | ProfilerContract;
        /**
         * Tells if client is a transaction client or not
         */
        readonly isTransaction: boolean;
        /**
         * The database dialect in use
         */
        readonly dialect: DialectContract;
        /**
         * The client mode in which it is execute queries
         */
        readonly mode: 'dual' | 'write' | 'read';
        /**
         * The name of the connnection from which the client
         * was originated
         */
        readonly connectionName: string;
        /**
         * Is debug enabled on the connnection or not. Also opens up the API to
         * disable debug for a given client
         */
        debug: boolean;
        /**
         * Returns schema instance for the write client
         */
        schema: Knex.SchemaBuilder;
        /**
         * Returns the read and write clients
         */
        getReadClient(): Knex<any, any>;
        getWriteClient(): Knex<any, any>;
        /**
         * Returns the query builder for a given model
         */
        modelQuery<T extends LucidModel, Result = T>(model: T): ModelQueryBuilderContract<T, Result>;
        /**
         * Returns the knex query builder instance
         */
        knexQuery(): Knex.QueryBuilder;
        /**
         * Returns the knex raw query builder instance
         */
        knexRawQuery(sql: string, bindings?: RawQueryBindings): Knex.Raw;
        /**
         * Get new query builder instance for select, update and
         * delete calls
         */
        query<Result = any>(): DatabaseQueryBuilderContract<Result>;
        /**
         * Get new query builder instance inserts
         */
        insertQuery<ReturnColumns = any>(): InsertQueryBuilderContract<ReturnColumns[]>;
        /**
         * Get raw query builder instance
         */
        rawQuery<Result = any>(sql: string, bindings?: RawQueryBindings): RawQueryBuilderContract<Result>;
        /**
         * Returns instance of reference builder
         */
        ref(reference: string): ReferenceBuilderContract;
        /**
         * Returns instance of raw builder
         */
        raw(sql: string, bindings?: RawQueryBindings): RawBuilderContract;
        /**
         * Truncate a given table
         */
        truncate(table: string, cascade?: boolean): Promise<void>;
        /**
         * Returns columns info for a given table
         */
        columnsInfo(table: string): Promise<{
            [column: string]: Knex.ColumnInfo;
        }>;
        columnsInfo(table: string, column: string): Promise<Knex.ColumnInfo>;
        /**
         * Get all tables of the database
         */
        getAllTables(schemas?: string[]): Promise<string[]>;
        /**
         * Same as `query()`, but also selects the table for the query. The `from` method
         * doesn't allow defining the return type and one must use `query` to define
         * that.
         */
        from: FromTable<DatabaseQueryBuilderContract<any>>;
        /**
         * Same as `insertQuery()`, but also selects the table for the query.
         * The `table` method doesn't allow defining the return type and
         * one must use `insertQuery` to define that.
         */
        table: (table: string) => InsertQueryBuilderContract<any>;
        /**
         * Get instance of transaction client
         */
        transaction: TransactionFn;
        /**
         * Work with advisory locks
         */
        getAdvisoryLock(key: string | number, timeout?: number): Promise<boolean>;
        releaseAdvisoryLock(key: string | number): Promise<boolean>;
    }
    /**
     * The shape of transaction client to run queries under a given
     * transaction on a single connection
     */
    export interface TransactionClientContract extends QueryClientContract, EventEmitter {
        knexClient: Knex.Transaction;
        /**
         * Custom profiler to time queries
         */
        profiler?: ProfilerRowContract;
        /**
         * Is transaction completed or not
         */
        isCompleted: boolean;
        /**
         * Commit transaction
         */
        commit(): Promise<void>;
        /**
         * Rollback transaction
         */
        rollback(): Promise<void>;
        /**
         * Returns the read and write transaction clients
         */
        getReadClient(): Knex.Transaction<any, any>;
        getWriteClient(): Knex.Transaction<any, any>;
        /**
         * Transaction named events
         */
        on(event: 'commit', handler: (client: this) => void): this;
        on(event: 'rollback', handler: (client: this) => void): this;
        once(event: 'commit', handler: (client: this) => void): this;
        once(event: 'rollback', handler: (client: this) => void): this;
        after(event: 'rollback' | 'commit', handler: () => void | Promise<void>): this;
    }
    /**
     * Connection node used by majority of database
     * clients
     */
    type SharedConnectionNode = {
        host?: string;
        user?: string;
        password?: string;
        database?: string;
        port?: number;
    };
    /**
     * Shape of the report node for the database connection report
     */
    export type ReportNode = {
        connection: string;
        message: string;
        error: any;
    };
    /**
     * Migrations config
     */
    export type MigratorConfig = {
        disableTransactions?: boolean;
        paths?: string[];
        tableName?: string;
        disableRollbacksInProduction?: boolean;
        naturalSort?: boolean;
    };
    /**
     * Seeders config
     */
    export type SeedersConfig = {
        paths: string[];
    };
    /**
     * Shared config options for all clients
     */
    type SharedConfigNode = {
        useNullAsDefault?: boolean;
        debug?: boolean;
        asyncStackTraces?: boolean;
        revision?: number;
        healthCheck?: boolean;
        migrations?: MigratorConfig;
        seeders?: SeedersConfig;
        pool?: {
            afterCreate?: (conn: any, done: any) => void;
            min?: number;
            max?: number;
            acquireTimeoutMillis?: number;
            createTimeoutMillis?: number;
            idleTimeoutMillis?: number;
            createRetryIntervalMillis?: number;
            reapIntervalMillis?: number;
            log?: (msg: string) => any;
            validate?: (resource: any) => boolean;
            propagateCreateError?: boolean;
        };
    };
    /**
     * The Sqlite specific config options are taken directly from the
     * driver. https://github.com/mapbox/node-sqlite3/wiki/API#new-sqlite3databasefilename-mode-callback
     *
     * Knex forwards all config options to the driver directly. So feel
     * free to define them (let us know, in case any options are missing)
     */
    export type SqliteConfig = SharedConfigNode & {
        client: 'sqlite' | 'sqlite3';
        connection: {
            filename: string;
            flags?: string[];
            debug?: boolean;
            mode?: any;
        };
        replicas?: never;
    };
    /**
     * The MYSQL specific config options are taken directly from the
     * driver. https://www.npmjs.com/package/mysql#connection-options
     *
     * Knex forwards all config options to the driver directly. So feel
     * free to define them (let us know, in case any options are missing)
     */
    type MysqlConnectionNode = {
        socketPath?: string;
        localAddress?: string;
        charset?: string;
        timezone?: string;
        stringifyObjects?: boolean;
        insecureAuth?: boolean;
        typeCast?: boolean;
        supportBigNumbers?: boolean;
        bigNumberStrings?: boolean;
        dateStrings?: boolean | string[];
        flags?: string;
        ssl?: any;
    };
    export type MysqlConfig = SharedConfigNode & {
        client: 'mysql' | 'mysql2';
        version?: string;
        connection?: SharedConnectionNode & MysqlConnectionNode;
        replicas?: {
            write: {
                connection: MysqlConfig['connection'];
                pool?: MysqlConfig['pool'];
            };
            read: {
                connection: MysqlConfig['connection'][];
                pool?: MysqlConfig['pool'];
            };
        };
    };
    /**
     * Config is picked from PostgreSQL driver, just refer their docs
     * https://node-postgres.com/features/connecting#programmatic.
     *
     * - `returning` is added by knex and not driver.
     * - `searchPath` is also added by Knex.
     *
     * Knex forwards all config options to the driver directly. So feel
     * free to define them (let us know, in case any options are missing)
     */
    type PostgresConnectionNode = {
        ssl?: boolean | ConnectionOptions;
    };
    export type PostgreConfig = SharedConfigNode & {
        client: 'pg' | 'postgres' | 'postgresql';
        version?: string;
        returning?: string;
        connection?: string | (SharedConnectionNode & PostgresConnectionNode);
        replicas?: {
            write: {
                connection: PostgreConfig['connection'];
                pool?: PostgreConfig['pool'];
            };
            read: {
                connection: PostgreConfig['connection'][];
                pool?: PostgreConfig['pool'];
            };
        };
        searchPath?: string[];
    };
    /**
     * Redshift uses `pg` driver. So config options are same as Postgres.
     * https://node-postgres.com/features/connecting#programmatic.
     *
     * Knex forwards all config options to the driver directly. So feel
     * free to define them (let us know, in case any options are missing)
     */
    export type RedshiftConfig = PostgreConfig & {
        client: 'redshift';
    };
    /**
     * Please install `oracledb` driver and not the `oracle`. The later is
     * deprecated. Config is only allowed for `oracledb`.
     *
     * Please refer to the driver configuration docs to learn more about the
     * config values.
     * https://oracle.github.io/node-oracledb/doc/api.html#oracledbproperties
     */
    type OracleConnectionNode = {
        autoCommit?: boolean;
        connectionClass?: string;
        edition?: string;
        externalAuth?: boolean;
        fetchArraySize?: number;
        fetchAsBuffer?: any[];
        lobPrefetchSize?: number;
        maxRows?: number;
        oracleClientVersion?: number;
    };
    export type OracleConfig = SharedConfigNode & {
        client: 'oracledb';
        connection?: SharedConnectionNode & OracleConnectionNode;
        replicas?: {
            write: {
                connection: OracleConfig['connection'];
                pool?: OracleConfig['pool'];
            };
            read: {
                connection: OracleConfig['connection'][];
                pool?: OracleConfig['pool'];
            };
        };
        fetchAsString?: any[];
    };
    /**
     * Config values are taken directly from the driver config.
     * https://www.npmjs.com/package/mssql#config.
     *
     * Knex forwards all config options to the driver directly. So feel
     * free to define them (let us know, in case any options are missing)
     */
    type MssqlConnectionNode = {
        server: string;
        domain?: string;
        connectionTimeout?: number;
        requestTimeout?: number;
        parseJSON?: boolean;
        options?: {
            encrypt?: boolean;
            useUTC?: boolean;
            tdsVersion?: string;
            appName?: string;
            abortTransactionOnError?: boolean;
            trustedConnection?: boolean;
            enableArithAbort?: boolean;
            isolationLevel?: 'READ_UNCOMMITTED' | 'READ_COMMITTED' | 'REPEATABLE_READ' | 'SERIALIZABLE' | 'SNAPSHOT';
            maxRetriesOnTransientErrors?: number;
            multiSubnetFailover?: boolean;
            packetSize?: number;
            trustServerCertificate?: boolean;
        };
    };
    export type MssqlConfig = SharedConfigNode & {
        client: 'mssql';
        version?: string;
        connection?: SharedConnectionNode & MssqlConnectionNode;
        replicas?: {
            write: {
                connection: MssqlConfig['connection'];
                pool?: MssqlConfig['pool'];
            };
            read: {
                connection: MssqlConfig['connection'][];
                pool?: MssqlConfig['pool'];
            };
        };
    };
    /**
     * Connection config must be the config from one of the
     * available dialects
     */
    export type ConnectionConfig = SqliteConfig | MysqlConfig | PostgreConfig | OracleConfig | RedshiftConfig | MssqlConfig;
    /**
     * Shape of config inside the database config file
     */
    export type DatabaseConfig = {
        connection: string;
        connections: {
            [key: string]: ConnectionConfig;
        };
    };
    /**
     * The shape of a connection within the connection manager
     */
    export type ConnectionNode = {
        name: string;
        config: ConnectionConfig;
        connection?: ConnectionContract;
        state: 'registered' | 'migrating' | 'open' | 'closing' | 'closed';
    };
    /**
     * Connection manager to manage one or more database
     * connections.
     */
    export interface ConnectionManagerContract {
        /**
         * List of registered connection. You must check the connection state
         * to understand, if it is connected or not
         */
        connections: Map<string, ConnectionNode>;
        /**
         * Add a new connection to the list of managed connection. You must call
         * connect seperately to instantiate a connection instance
         */
        add(connectionName: string, config: ConnectionConfig): void;
        /**
         * Instantiate a connection. It is a noop, when connection for the given
         * name is already instantiated
         */
        connect(connectionName: string): void;
        /**
         * Get connection node
         */
        get(connectionName: string): ConnectionNode | undefined;
        /**
         * Find if a connection name is managed by the manager or not
         */
        has(connectionName: string): boolean;
        /**
         * Patch the existing connection config. This triggers the disconnect on the
         * old connection
         */
        patch(connectionName: string, config: ConnectionConfig): void;
        /**
         * Find if a managed connection is instantiated or not
         */
        isConnected(connectionName: string): boolean;
        /**
         * Close a given connection. This is also kill the underlying knex connection
         * pool
         */
        close(connectionName: string, release?: boolean): Promise<void>;
        /**
         * Close all managed connections
         */
        closeAll(release?: boolean): Promise<void>;
        /**
         * Release a given connection. Releasing a connection means, you will have to
         * re-add it using the `add` method
         */
        release(connectionName: string): Promise<void>;
        /**
         * Returns the health check report for registered connections
         */
        report(): Promise<HealthReportEntry & {
            meta: ReportNode[];
        }>;
    }
    /**
     * Connection represents a single knex instance with inbuilt
     * pooling capabilities.
     */
    export interface ConnectionContract extends EventEmitter {
        client?: Knex;
        readClient?: Knex;
        readonly dialectName: 'mssql' | 'mysql' | 'mysql2' | 'oracledb' | 'postgres' | 'redshift' | 'sqlite3';
        /**
         * Property to find if explicit read/write is enabled
         */
        readonly hasReadWriteReplicas: boolean;
        /**
         * Read/write connection pools
         */
        pool: null | Pool<any>;
        readPool: null | Pool<any>;
        /**
         * Name of the connection
         */
        readonly name: string;
        /**
         * Find if connection is ready or not
         */
        readonly ready: boolean;
        /**
         * Untouched config
         */
        config: ConnectionConfig;
        /**
         * List of emitted events
         */
        on(event: 'connect', callback: (connection: ConnectionContract) => void): this;
        on(event: 'error', callback: (error: Error, connection: ConnectionContract) => void): this;
        on(event: 'disconnect', callback: (connection: ConnectionContract) => void): this;
        on(event: 'disconnect:error', callback: (error: Error, connection: ConnectionContract) => void): this;
        /**
         * Make knex connection
         */
        connect(): void;
        /**
         * Disconnect knex
         */
        disconnect(): Promise<void>;
        /**
         * Returns the connection report
         */
        getReport(): Promise<ReportNode>;
    }
    /**
     * Options when retrieving new query client from the database
     * query builder
     */
    export type DatabaseClientOptions = Partial<{
        mode: 'read' | 'write';
        profiler: ProfilerRowContract | ProfilerContract;
    }>;
    /**
     * Shape of the data emitted by the `db:query event`
     */
    export type DbQueryEventNode = {
        connection: string;
        model?: string;
        ddl?: boolean;
        duration?: [number, number];
        method: string;
        sql: string;
        bindings?: any[];
        inTransaction?: boolean;
    };
    /**
     * Database contract serves as the main API to interact with multiple
     * database connections
     */
    export interface DatabaseContract {
        Database: MacroableConstructorContract<DatabaseContract> & {
            new (config: DatabaseConfig, logger: LoggerContract, profiler: ProfilerContract, emitter: EmitterContract): DatabaseContract;
        };
        DatabaseQueryBuilder: MacroableConstructorContract<DatabaseQueryBuilderContract>;
        InsertQueryBuilder: MacroableConstructorContract<InsertQueryBuilderContract>;
        ModelQueryBuilder: MacroableConstructorContract<ModelQueryBuilderContract<any, any>>;
        SimplePaginator: {
            namingStrategy: {
                paginationMetaKeys(): SimplePaginatorMetaKeys;
            };
            new <Row>(total: number, perPage: number, currentPage: number, ...rows: Row[]): SimplePaginatorContract<Row>;
        };
        hasHealthChecksEnabled: boolean;
        /**
         * Pretty print query logs
         */
        prettyPrint: (queryLog: DbQueryEventNode) => void;
        /**
         * Name of the primary connection defined inside `config/database.ts`
         * file
         */
        primaryConnectionName: string;
        /**
         * Reference to the connection manager
         */
        manager: ConnectionManagerContract;
        /**
         * Returns the raw connection instance
         */
        getRawConnection: ConnectionManagerContract['get'];
        /**
         * Get query client for a given connection. Optionally one can also define
         * the mode of the connection and profiler row
         */
        connection(connectionName?: string, options?: DatabaseClientOptions): QueryClientContract;
        /**
         * Returns the knex query builder instance
         */
        knexQuery(): Knex.QueryBuilder;
        /**
         * Returns the knex raw query builder instance
         */
        knexRawQuery(sql: string, bindings?: RawQueryBindings): Knex.Raw;
        /**
         * Returns the query builder for a given model
         */
        modelQuery<T extends LucidModel, Result = T>(model: T, options?: DatabaseClientOptions): ModelQueryBuilderContract<T, Result>;
        /**
         * Get query builder instance for a given connection.
         */
        query<Result = any>(options?: DatabaseClientOptions): DatabaseQueryBuilderContract<Result>;
        /**
         * Get insert query builder instance for a given connection.
         */
        insertQuery<ReturnColumns = any>(options?: DatabaseClientOptions): InsertQueryBuilderContract<ReturnColumns[]>;
        /**
         * Get raw query builder instance
         */
        rawQuery<Result = any>(sql: string, bindings?: RawQueryBindings, options?: DatabaseClientOptions): RawQueryBuilderContract<Result>;
        /**
         * Returns instance of reference builder
         */
        ref(reference: string): ReferenceBuilderContract;
        /**
         * Returns instance of raw builder
         */
        raw(sql: string, bindings?: RawQueryBindings): RawBuilderContract;
        /**
         * Selects a table on the default connection by instantiating a new query
         * builder instance. This method provides no control over the client
         * mode and one must use `query` for that
         */
        from: QueryClientContract['from'];
        /**
         * Selects a table on the default connection by instantiating a new query
         * builder instance. This method provides no control over the client
         * mode and one must use `insertQuery` for that
         */
        table: QueryClientContract['table'];
        /**
         * Start a new transaction
         */
        transaction: TransactionFn;
        /**
         * Returns the health check report for registered connections
         */
        report(): Promise<HealthReportEntry & {
            meta: ReportNode[];
        }>;
        /**
         * Begin a new global transaction. Multiple calls to this
         * method is a noop
         */
        beginGlobalTransaction(connectionName?: string, options?: Exclude<DatabaseClientOptions, 'mode'>): Promise<TransactionClientContract>;
        /**
         * Commit an existing global transaction
         */
        commitGlobalTransaction(connectionName?: string): Promise<void>;
        /**
         * Rollback an existing global transaction
         */
        rollbackGlobalTransaction(connectionName?: string): Promise<void>;
    }
    const Database: DatabaseContract;
    export default Database;
}