§ Oracle兼容-存储过程-匿名块
§ 1. 语法
SET sql_mode = ORACLE;
1. DECLARE
...
BEGIN
...
END;
2. [DECLARE] BEGIN
...
END;
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§ 2. 定义和用法
在GreatSQL中支持类似Oracle风格的匿名块用法。
§ 3. 示例
greatsql> SET sql_mode = ORACLE;
greatsql> DELIMITER //
greatsql> BEGIN
SELECT 'Hi GreatSQL';
END; //
+-------------+
| Hi GreatSQL |
+-------------+
| Hi GreatSQL |
+-------------+
1 row in set (0.00 sec)
greatsql> DECLARE
a INT;
b INT;
BEGIN
a := 3306;
SELECT CONCAT('GreatSQL default port is:' , a);
END; //
+-----------------------------------------+
| CONCAT('GreatSQL default port is:' , a) |
+-----------------------------------------+
| GreatSQL default port is:3306 |
+-----------------------------------------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
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