first commit

execute_multiple_sql.txt

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+DELIMITER //
+CREATE OR REPLACE PROCEDURE execute_multiple_sql(IN v_sql TEXT)
+BEGIN
+  DECLARE EXIT HANDLER FOR SQLEXCEPTION
+  BEGIN
+    GET DIAGNOSTICS CONDITION 1
+    @sqlstate = RETURNED_SQLSTATE, 
+    @errno = MYSQL_ERRNO, 
+    @text = MESSAGE_TEXT;
+    
+    SELECT 1 AS code, CONCAT('Error: ', @errno, ' (', @sqlstate, '): ', @text) AS msg;
+  END;
+  
+  -- 按分号分割并执行多条语句
+  SET @sql = v_sql;
+  WHILE LENGTH(@sql) > 0 DO
+    SET @statement = SUBSTRING_INDEX(@sql, ';', 1);
+    SET @sql = SUBSTRING(@sql, LENGTH(@statement) + 2);
+    
+    IF LENGTH(TRIM(@statement)) > 0 THEN
+      PREPARE stmt FROM @statement;
+      EXECUTE stmt;
+      DEALLOCATE PREPARE stmt;
+    END IF;
+  END WHILE;
+  
+  SELECT 0 AS code, 'ok' AS msg;
+END//
+DELIMITER ;