[BUG] 使用SQL解析器指南中的示例与实际不符，版本1.2.24

[hkf520]

Database Type

MySQL

Database Version

MySQL5.7

Druid Version

1.2.24

JDK Version

JDK8

Error SQL

SELECT u.name, o.total FROM users u JOIN orders o ON u.id = o.user_id WHERE u.age > 18

Testcase Code

String sql = "SELECT u.name, o.total FROM users u "
+ "JOIN orders o ON u.id = o.user_id "
+ "WHERE u.age > 18";

    List<SQLStatement> stmts = SQLUtils.parseStatements(sql, DbType.mysql);
    SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(DbType.mysql);
    stmts.get(0).accept(visitor);

    System.out.println("Conditions: " + visitor.getConditions());

// 预期输出: [users.id = orders.user_id, users.age > 18]
// 实际输出: [users.id =, orders.user_id =, users.age > 18]

Stacktrace Info

No response

Error Info

No response