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import type { ConnectionInfo } from '@prisma/driver-adapter-utils';
import type { IsolationLevel } from '@prisma/driver-adapter-utils';
import pg from 'pg';
import type { SqlDriverAdapter } from '@prisma/driver-adapter-utils';
import type { SqlMigrationAwareDriverAdapterFactory } from '@prisma/driver-adapter-utils';
import type { SqlQuery } from '@prisma/driver-adapter-utils';
import type { SqlQueryable } from '@prisma/driver-adapter-utils';
import type { SqlResultSet } from '@prisma/driver-adapter-utils';
import type { Transaction } from '@prisma/driver-adapter-utils';
declare class PgQueryable<ClientT extends StdClient | TransactionClient> implements SqlQueryable {
protected readonly client: ClientT;
protected readonly pgOptions?: PrismaPgOptions | undefined;
readonly provider = "postgres";
readonly adapterName: string;
constructor(client: ClientT, pgOptions?: PrismaPgOptions | undefined);
/**
* Execute a query given as SQL, interpolating the given parameters.
*/
queryRaw(query: SqlQuery): Promise<SqlResultSet>;
/**
* Execute a query given as SQL, interpolating the given parameters and
* returning the number of affected rows.
* Note: Queryable expects a u64, but napi.rs only supports u32.
*/
executeRaw(query: SqlQuery): Promise<number>;
/**
* Run a query against the database, returning the result set.
* Should the query fail due to a connection error, the connection is
* marked as unhealthy.
*/
private performIO;
protected onError(error: unknown): never;
}
export declare class PrismaPg implements SqlMigrationAwareDriverAdapterFactory {
private readonly options?;
readonly provider = "postgres";
readonly adapterName: string;
private readonly config;
private externalPool;
constructor(poolOrConfig: pg.Pool | pg.PoolConfig | string, options?: PrismaPgOptions | undefined);
connect(): Promise<PrismaPgAdapter>;
connectToShadowDb(): Promise<PrismaPgAdapter>;
}
declare class PrismaPgAdapter extends PgQueryable<StdClient> implements SqlDriverAdapter {
protected readonly pgOptions?: PrismaPgOptions | undefined;
private readonly release?;
constructor(client: StdClient, pgOptions?: PrismaPgOptions | undefined, release?: (() => Promise<void>) | undefined);
startTransaction(isolationLevel?: IsolationLevel): Promise<Transaction>;
executeScript(script: string): Promise<void>;
getConnectionInfo(): ConnectionInfo;
dispose(): Promise<void>;
underlyingDriver(): pg.Pool;
}
declare type PrismaPgOptions = {
/** The name of the schema to use in generated queries */
schema?: string;
/**
* Whether to call `pool.end()` on an externally provided pool when the adapter is disposed.
* Defaults to `false`.
*/
disposeExternalPool?: boolean;
/** Callback attached to the pool's 'error' events. */
onPoolError?: (err: Error) => void;
/** Callback attached to connection's 'error' events. */
onConnectionError?: (err: Error) => void;
/**
* Optional parser for user-defined types. Called with the type's OID, the value to parse, and
* a queryable for performing additional queries if necessary.
*/
userDefinedTypeParser?: UserDefinedTypeParser;
/**
* Optional function to generate names for prepared statements. The generated strings are passed
* as the `name` property in the query to `pg.Client#query()`, which uses them to cache the
* underlying statements. If not provided, prepared statements are not cached.
*/
statementNameGenerator?: StatementNameGenerator;
};
declare type StatementNameGenerator = (query: SqlQuery) => string;
declare type StdClient = pg.Pool;
declare type TransactionClient = pg.PoolClient;
declare type UserDefinedTypeParser = (oid: number, value: unknown, adapter: SqlQueryable) => Promise<unknown>;
export { }