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@wbce-d9/schema

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Utility for extracting information about existing DB schema

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import type { Knex } from 'knex'; import type { SchemaOverview } from '../types/overview.js'; import type { SchemaInspector } from '../types/schema-inspector.js'; import type { Table } from '../types/table.js'; import type { Column } from '../types/column.js'; /** * Converts Postgres default value to JS * Eg `'example'::character varying` => `example` */ export declare function parseDefaultValue(value: string | null): string | null; export default class Postgres implements SchemaInspector { knex: Knex; schema: string; explodedSchema: string[]; constructor(knex: Knex); /** * Set the schema to be used in other methods */ withSchema(schema: string): this; overview(): Promise<SchemaOverview>; /** * List all existing tables in the current schema/database */ tables(): Promise<any>; /** * Get the table info for a given table. If table parameter is undefined, it will return all tables * in the current schema/database */ tableInfo(): Promise<Table[]>; tableInfo(table: string): Promise<Table>; /** * Check if a table exists in the current schema/database */ hasTable(table: string): Promise<boolean>; /** * Get all the available columns in the current schema/database. Can be filtered to a specific table */ columns(table?: string): Promise<any>; /** * Get the column info for all columns, columns in a given table, or a specific column. */ columnInfo(): Promise<Column[]>; columnInfo(table: string): Promise<Column[]>; columnInfo(table: string, column: string): Promise<Column>; /** * Check if the given table contains the given column */ hasColumn(table: string, column: string): Promise<any>; /** * Get the primary key column for the given table */ primary(table: string): Promise<string | null>; foreignKeys(table?: string): Promise<any>; }