Files
workspace/code/fms/fms-api/config/migrations/tools/ApplySimpleModuleRestore.java
T
2026-08-04 22:31:52 +08:00

91 lines
4.0 KiB
Java

import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Properties;
public final class ApplySimpleModuleRestore {
public static void main(String[] args) throws Exception {
Path apiRoot = Path.of("").toAbsolutePath().normalize();
Path configPath = apiRoot.resolve("config/dbconfigs/g3hd.properties").normalize();
Path migrationPath = apiRoot.resolve("config/migrations/035_restore_simple_module_tree.sql").normalize();
Properties properties = new Properties();
try (InputStream input = Files.newInputStream(configPath)) {
properties.load(input);
}
try (Connection connection = DriverManager.getConnection(
required(properties, "url"),
required(properties, "username"),
required(properties, "password"))) {
if (!"FMS".equalsIgnoreCase(connection.getCatalog())) {
throw new IllegalStateException("Refusing to restore database: " + connection.getCatalog());
}
if (args.length == 1 && "--verify-only".equals(args[0])) {
verify(connection);
return;
}
connection.setAutoCommit(false);
try {
String migration = Files.readString(migrationPath, StandardCharsets.UTF_8);
int batches = executeBatches(connection, migration);
verify(connection);
connection.commit();
System.out.println("APPLIED|035_restore_simple_module_tree.sql|batches=" + batches);
} catch (Exception exception) {
connection.rollback();
throw exception;
}
}
}
private static int executeBatches(Connection connection, String migration) throws Exception {
String[] batches = migration.split("(?im)^\\s*GO\\s*(?:--.*)?$");
int count = 0;
for (String batch : batches) {
if (batch.isBlank()) continue;
try (Statement statement = connection.createStatement()) {
statement.execute(batch);
}
count++;
}
return count;
}
private static void verify(Connection connection) throws Exception {
String sql = """
SELECT
CASE WHEN COL_LENGTH(N'dbo.s_module', N'b_parent_id') IS NULL THEN 0 ELSE 1 END,
CASE WHEN OBJECT_ID(N'dbo.s_module_page', N'U') IS NULL THEN 0 ELSE 1 END,
(SELECT COUNT(*) FROM dbo.s_module WHERE b_module_type = 'data_category'),
(SELECT COUNT(*)
FROM dbo.s_module child
LEFT JOIN dbo.s_module parent ON parent.b_id = child.b_parent_id
WHERE (child.b_module_type IN ('directory', 'page')
AND child.b_parent_id IS NOT NULL
AND ISNULL(parent.b_module_type, '') <> 'directory')
OR (child.b_module_type IN ('data_category', 'data')
AND ISNULL(parent.b_module_type, '') NOT IN ('page', 'data_category')))
""";
try (Statement statement = connection.createStatement(); ResultSet rows = statement.executeQuery(sql)) {
rows.next();
if (rows.getInt(1) != 1 || rows.getInt(2) != 0 || rows.getInt(4) != 0) {
throw new IllegalStateException("Simple module tree verification failed");
}
System.out.println(
"PASS|simple_module_tree|data_categories=" + rows.getInt(3) + "|invalid_parents=0");
}
}
private static String required(Properties properties, String key) {
String value = properties.getProperty(key);
if (value == null || value.isBlank()) throw new IllegalStateException("Missing property: " + key);
return value;
}
}