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85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
import pg from 'pg';
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import assert from 'node:assert';
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const omit = (object, ...keys) => Object.fromEntries(Object.entries(object).filter(([key]) => !keys.includes(key)));
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const omitArray = (arrayOfObjects, ...keys) => arrayOfObjects.map((value) => omit(value, ...keys));
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const schema = 'public';
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const queryDatabaseManifest = async (database) => {
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const pool = new pg.Pool({ database, user: 'postgres', password: 'postgres' });
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const { rows: tables } = await pool.query(/* sql */`
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select *
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from information_schema.tables
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where table_schema = '${schema}'
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order by table_name asc;
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`);
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const { rows: columns } = await pool.query(/* sql */`
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select *
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from information_schema.columns
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where table_schema = '${schema}'
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order by table_name, column_name asc;
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`);
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const { rows: enums } = await pool.query(/* sql */`
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select pg_type.typname, pg_enum.enumlabel
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from pg_type
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join pg_enum
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on pg_enum.enumtypid = pg_type.oid
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order by pg_type.typname, pg_enum.enumlabel asc;
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`);
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const { rows: constraints } = await pool.query(/* sql */`
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select conrelid::regclass AS table, con.*, pg_get_constraintdef(con.oid)
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from pg_catalog.pg_constraint con
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inner join pg_catalog.pg_class rel
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on rel.oid = con.conrelid
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inner join pg_catalog.pg_namespace nsp
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on nsp.oid = connamespace
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where nsp.nspname = 'public'
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order by conname asc;
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`);
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const { rows: indexes } = await pool.query(/* sql */`
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select *
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from pg_indexes
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where schemaname='${schema}'
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order by tablename, indexname asc;
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`);
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// Omit generated ids and values
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return {
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tables: omitArray(tables, 'table_catalog'),
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columns: omitArray(columns, 'table_catalog', 'udt_catalog', 'ordinal_position', 'dtd_identifier'),
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enums,
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constraints: omitArray(
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constraints,
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'oid',
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'connamespace',
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'conrelid',
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'contypid',
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'conindid',
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'conparentid',
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'confrelid',
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'conkey',
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'confkey',
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'conpfeqop',
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'conppeqop',
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'conffeqop',
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'confdelsetcols',
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'conexclop',
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),
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indexes,
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};
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};
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const [,, database1, database2] = process.argv;
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console.log('Compare database manifest between', database1, 'and', database2)
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assert.deepStrictEqual(
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await queryDatabaseManifest(database1),
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await queryDatabaseManifest(database2),
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);
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