database-mcp/dist/src/types/database.d.ts

Model Context Protocol server for multi-database access (PostgreSQL, MySQL, SQLite, Snowflake) with comprehensive introspection and analysis tools

/**
 * Database Type Definitions
 */
export interface DatabaseConnectionInfo {
    serverTime?: string;
    version?: string;
    filePath?: string;
}
export interface DatabaseQueryResult {
    rows: any[];
    rowCount: number;
    command: string;
    fields?: any[];
}
export interface DatabaseField {
    name: string;
    dataTypeID?: number;
    tableID?: number;
    columnID?: number;
    dataTypeSize?: number;
    dataTypeModifier?: number;
    format?: string;
}
export type DatabaseType = 'postgresql' | 'mysql' | 'sqlite' | 'snowflake';
export interface DatabaseConfig {
    connectionString: string;
    connectionTimeoutMillis?: number;
    idleTimeoutMillis?: number;
    max?: number;
    ssl?: SSLConfig | boolean;
}
export interface SSLConfig {
    rejectUnauthorized: boolean;
    checkServerIdentity?: (servername: string, cert: any) => undefined;
    requestCert?: boolean;
    agent?: boolean;
    servername?: string;
}
export interface SchemaQueries {
    listTables: string;
    listSchemas: string;
    describeTable: string;
    listIndexes: string;
}
export interface InfoQueries {
    version: string;
    size: string;
    settings: string;
    activity: string;
}
export interface DataTypeMap {
    [key: string]: string;
}
export interface ValidationResult {
    isValid: boolean;
    errors: string[];
    type?: DatabaseType | null;
}
export interface ConnectionStringExamples {
    postgresql: string[];
    mysql: string[];
    sqlite: string[];
    snowflake: string[];
}
export interface ColumnInfo {
    column_name: string;
    data_type: string;
    is_nullable: string;
    column_default: string | null;
    character_maximum_length?: number | null;
    numeric_precision?: number | null;
    numeric_scale?: number | null;
}
export interface TableInfo {
    schemaname?: string;
    table_name: string;
    table_type: string;
}
export interface IndexInfo {
    schemaname?: string;
    tablename: string;
    indexname: string;
    indexdef: string;
    index_type: string;
}
export interface ForeignKeyInfo {
    table_schema?: string;
    table_name: string;
    column_name: string;
    foreign_table_schema?: string;
    foreign_table_name: string;
    foreign_column_name: string;
    constraint_name: string;
}
export interface FunctionInfo {
    schema_name: string;
    function_name: string;
    function_type: string;
    return_type?: string;
    arguments?: string;
    routine_definition?: string;
}
export interface TableStats {
    table_name: string;
    size: string;
    size_bytes: number;
    estimated_rows: number;
}
export interface ColumnStats {
    schemaname: string;
    tablename: string;
    attname: string;
    n_distinct: number | null;
    most_common_vals: string[] | null;
    most_common_freqs: number[] | null;
    histogram_bounds: string[] | null;
    correlation: number | null;
}
export interface ColumnAnalysis {
    total_rows: number;
    non_null_count: number;
    null_count: number;
    distinct_count: number;
    min_value: string | null;
    max_value: string | null;
}
export interface MostCommonValue {
    value: any;
    frequency: number;
}
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