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已修复，多行输入后按Tab键可进行补全

-- 清理旧对象
DROP TABLE IF EXISTS test1 CASCADE;
DROP TABLE IF EXISTS test2 CASCADE;

-- 创建主测表 test1
CREATE TABLE test1 (
id INT PRIMARY KEY,
name VARCHAR(50)
);

-- 创建辅助表 test2（用于验证 FROM 后表名候选是否完整）
CREATE TABLE test2 (
id INT PRIMARY KEY,
value VARCHAR(50)
);

-- 插入数据（可选）
INSERT INTO test1 VALUES (1, 'Alice');
INSERT INTO test1 VALUES (2, 'Bob');
INSERT INTO test2 VALUES (1, 'X');
COMMIT;

SQL> select
2 *
3 from
4 <这里按一次 Tab>

SQL> select
*
from
test1
where
2 na<按Tab>
3 is null;

对于截断问题在文档中进行了介绍

回归版本：oGRAC Release 7.0.0-RC3 18ce0a2 build 2026-08-26 09:48:01
回归环境：oGRAC 双节点（20.20.20.104 / 20.20.20.106），db=ONLINE，节点 20.20.20.104 执行
结论：通过（多行 continuation 下 FROM/WHERE 补全上下文未丢失）

回归步骤（ogsql / as sysdba，Linux TTY）

SQL> select
  2 *
  3 from
  4 te<Tab>                 -- 补为 test1
SQL> select
  2 *
  3 from test1
  4 where na<Tab>           -- 补为 name

实际输出
te → test1；where na → where name。
说明：FROM 后空前缀 Tab 仍会列出系统视图（32 条截断），带前缀即可命中业务表，原「continuation 丢语境」已修复。