文字列とデータベースから取得した特定の値を出力しようとしています。たとえば、Microsoft Server 2008 では、次のように実行されました。
SELECT
'SELECT c.name COLLATE SQL_Latin1_General_CP1_CI_AS colName, o.name COLLATE SQL_Latin1_General_CP1_CI_AS tableName, '''
+ NAME + ''' db FROM ' + NAME
+ '.sys.all_columns as c INNER JOIN ' + NAME
+
'.sys.all_objects o ON c.object_id = o.object_id WHERE c.name like ''%password%'' AND type = ''U'' UNION'
FROM SYS.DATABASES
以下を返します。
SELECT c.NAME COLLATE SQL_LATIN1_GENERAL_CP1_CI_AS colName,
o.NAME COLLATE SQL_LATIN1_GENERAL_CP1_CI_AS tableName,
'master' db
FROM MASTER.SYS.ALL_COLUMNS AS c
INNER JOIN MASTER.SYS.ALL_OBJECTS o
ON c.OBJECT_ID = o.OBJECT_ID
WHERE c.NAME LIKE '%password%'
AND TYPE = 'U'
UNION
SELECT c.NAME COLLATE SQL_LATIN1_GENERAL_CP1_CI_AS colName,
o.NAME COLLATE SQL_LATIN1_GENERAL_CP1_CI_AS tableName,
'tempdb' db
FROM TEMPDB.SYS.ALL_COLUMNS AS c
INNER JOIN TEMPDB.SYS.ALL_OBJECTS o
ON c.OBJECT_ID = o.OBJECT_ID
WHERE c.NAME LIKE '%password%'
AND TYPE = 'U'
UNION
しかし、MySQL で同様のことを試すと、次のようになります。
SELECT
'SELECT c.name COLLATE SQL_Latin1_General_CP1_CI_AS colName, o.name COLLATE SQL_Latin1_General_CP1_CI_AS tableName, '''
+ DB + ''' db FROM ' + DB
+ '.sys.all_columns as c INNER JOIN ' + DB
+
'.sys.all_objects o ON c.object_id = o.object_id WHERE c.name like ''%password%'' AND type = ''U'' UNION'
FROM DB
必要なレコードの空白行のみを返します。誰でも助けることができますか?