Strange Usage: Take the column name to a string

xiaoxiao2021-03-06  72

if exists (select * from sysobjects where type = 'P' and name = 'sys_ysl_getColumnNameToArrayByTableName') drop procedure sys_ysl_getColumnNameToArrayByTableNamegocreate procedure sys_ysl_getColumnNameToArrayByTableName @tablename varchar (100), @colnameArrayList varchar (1000) output

With Encryptionas declare @sql nvarchar (1000) declare @colnameArray varchar (1000) declare @colname varchar (50) SET @sql = N'DECLARE CUR_COLNAME CURSOR FOR select a.name from syscolumns a inner join sysobjects b on a.id = b .id where b.name='' '@tablename n' '' ORDER BY A.COLORDER '

Execute sp_executesql @SQL

Open cur_colname while (0 = 0) Begin Fetch next from cur_colname @colname

IF (@@ fetch_status <> 0) BREAK

If @colnameArray <> 'set @ colnameArray = @ colnameArray ', ' @ colname else set @ colnamerray = @ colname end

Close Cur_colname deallocate cur_colname set @ colnameArrayList = @ colnameArray

/ * Print @colnameArrayList - Test Code Declare @@ aa varchar (100) EXEC SYS_YSL_GETCOLUMNNAMETOARRAYBYTABLENAME 'SPBLA', @@ aa - end

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