first commit

2026-02-06 14:44:08 +08:00
commit 3b3e190726
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+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE zen_read_schema (
+  IN p_tablename VARCHAR(100)
+)
+/*
+  功能：讀取資料表結構資訊
+  範例：CALL zen_read_schema('pmsproject_class');
+*/
+BEGIN
+  SELECT 
+    t.TABLE_NAME AS '表格名稱',
+    c.COLUMN_NAME AS '欄位名稱',
+    c.ORDINAL_POSITION AS '序號',
+    c.DATA_TYPE AS '資料型別',
+    IFNULL(c.CHARACTER_MAXIMUM_LENGTH, '') AS '長度',
+    '' AS '預設值',
+    CASE WHEN c.IS_NULLABLE = 'YES' THEN 'N' ELSE 'Y' END AS '是否允許空值',
+    IFNULL(
+      (SELECT COLUMN_COMMENT 
+       FROM INFORMATION_SCHEMA.COLUMNS 
+       WHERE TABLE_SCHEMA = t.TABLE_SCHEMA 
+       AND TABLE_NAME = t.TABLE_NAME 
+       AND COLUMN_NAME = c.COLUMN_NAME),
+      ''
+    ) AS '欄位描述'
+  FROM 
+    INFORMATION_SCHEMA.TABLES t
+    LEFT JOIN INFORMATION_SCHEMA.COLUMNS c ON t.TABLE_NAME = c.TABLE_NAME AND t.TABLE_SCHEMA = c.TABLE_SCHEMA
+  WHERE 
+    t.TABLE_TYPE = 'BASE TABLE' 
+    AND t.TABLE_NAME = p_tablename
+  ORDER BY 
+    t.TABLE_NAME, 
+    c.ORDINAL_POSITION;
+END//
+
+DELIMITER ;