mirror of https://github.com/AMT-Cheif/drift.git
91 lines
2.7 KiB
Dart
91 lines
2.7 KiB
Dart
import 'package:sqlparser/sqlparser.dart';
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import 'package:test/test.dart';
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void main() {
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test('regression test for #917', () {
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// Test for https://github.com/simolus3/moor/issues/917
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final engine = SqlEngine()
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..registerTableFromSql('CREATE TABLE Shops (id INTEGER);')
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..registerTableFromSql(
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'CREATE TABLE Sales (shop_id INTEGER, date INTEGER, amount REAL);');
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final result = engine.analyze('''
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SELECT
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Shops.id,
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SalesYesterday.amount AS amount_yesterday,
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SalesToday.amount AS amount_today
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FROM Sales AS SalesYesterday,
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(
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SELECT SalesToday.amount AS amount, SalesToday.shop_id AS shop_id
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FROM Sales AS SalesToday
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LEFT JOIN Shops ON SalesToday.shop_id = Shops.id
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WHERE SalesToday.date = 8
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) AS SalesToday
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INNER JOIN Shops
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ON (SalesYesterday.shop_id = Shops.id)
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AND (SalesToday.shop_id = Shops.id)
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WHERE SalesYesterday.date = 9
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ORDER BY Shops.id;
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''');
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expect(result.errors, isEmpty);
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});
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test('regression test for #1188', () {
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// Test for https://github.com/simolus3/moor/issues/1188
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final engine = SqlEngine(EngineOptions(useMoorExtensions: true))
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..registerTableFromSql('''
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CREATE TABLE IF NOT EXISTS "employees" (
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"id" INTEGER NOT NULL PRIMARY KEY,
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"name" TEXT NOT NULL UNIQUE,
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"manager_id" INTEGER
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);
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''')
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..registerTableFromSql('''
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CREATE TABLE IF NOT EXISTS "employee_notes" (
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"employee_id" INTEGER NOT NULL PRIMARY KEY,
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"note" TEXT
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);
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''');
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final result = engine.analyze('''
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WITH RECURSIVE
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employeeHierarchy(id, name, manager_id) AS (
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SELECT id,
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name,
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manager_id
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FROM employees
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WHERE manager_id IS NULL
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UNION ALL
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SELECT e.id,
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e.name,
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e.manager_id
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FROM employees e
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JOIN employeeHierarchy ON e.manager_id = employeeHierarchy.id
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)
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SELECT e.id,
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e.name,
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e.manager_id,
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n.note
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FROM employeeHierarchy e
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LEFT OUTER JOIN
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employee_notes n ON e.id = n.employee_id
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ORDER BY e.id;
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''');
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final select = result.root as SelectStatement;
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final columns = select.resolvedColumns!;
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expect(columns.map((e) => e.name), ['id', 'name', 'manager_id', 'note']);
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expect(columns.map((e) => result.typeOf(e).nullable),
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[false, false, true, true]);
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});
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}
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extension on SqlEngine {
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void registerTableFromSql(String createTable) {
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final stmt = parse(createTable).rootNode as CreateTableStatement;
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registerTable(schemaReader.read(stmt));
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}
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}
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