@hotmeshio/hotmesh/build/services/stream/providers/postgres/stats.d.ts

Permanent-Memory Workflows & AI Agents

import { ILogger } from '../../../logger';
import { PostgresClientType } from '../../../../types/postgres';
import { StreamConfig, StreamStats } from '../../../../types/stream';
import { ProviderClient } from '../../../../types/provider';
/**
 * Get statistics for a specific stream.
 * Returns message count and other metrics.
 */
export declare function getStreamStats(client: PostgresClientType & ProviderClient, tableName: string, streamName: string, logger: ILogger): Promise<StreamStats>;
/**
 * Get the depth (message count) for a specific stream.
 */
export declare function getStreamDepth(client: PostgresClientType & ProviderClient, tableName: string, streamName: string, logger: ILogger): Promise<number>;
/**
 * Get depths for multiple streams in a single query.
 * More efficient than calling getStreamDepth multiple times.
 */
export declare function getStreamDepths(client: PostgresClientType & ProviderClient, tableName: string, streamNames: {
    stream: string;
}[], logger: ILogger): Promise<{
    stream: string;
    depth: number;
}[]>;
/**
 * Trim (soft delete) messages from a stream based on age or count.
 * Returns the number of messages expired.
 */
export declare function trimStream(client: PostgresClientType & ProviderClient, tableName: string, streamName: string, options: {
    maxLen?: number;
    maxAge?: number;
    exactLimit?: boolean;
}, logger: ILogger): Promise<number>;
/**
 * Check if notifications are enabled for the provider.
 */
export declare function isNotificationsEnabled(config?: StreamConfig): boolean;
/**
 * Get provider-specific feature flags and capabilities.
 */
export declare function getProviderSpecificFeatures(config?: StreamConfig): {
    supportsBatching: boolean;
    supportsDeadLetterQueue: boolean;
    supportsOrdering: boolean;
    supportsTrimming: boolean;
    supportsRetry: boolean;
    supportsNotifications: boolean;
    maxMessageSize: number;
    maxBatchSize: number;
};