欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  数据库

SQLServer存储过程Print

程序员文章站 2022-06-03 19:21:51
...

SQLServer 存储过程,打印其他存储过程或函数对象的创建语句 代码来源于系统自带的存储过程 无 Create PROCEDURE [dbo].[sp_PrintProc] @objname NVARCHAR(776) , @columnname SYSNAME = NULLAS --打印对象 SET nocount ON DECLARE @dbname SYSNAME , @objid

SQLServer 存储过程,打印其他存储过程或函数对象的创建语句
代码来源于系统自带的存储过程

SQLServer存储过程Print
Create PROCEDURE [dbo].[sp_PrintProc]
    @objname NVARCHAR(776) ,
    @columnname SYSNAME = NULL
AS 
--打印对象
    SET nocount ON  
  
    DECLARE @dbname SYSNAME ,
        @objid INT ,
        @BlankSpaceAdded INT ,
        @BasePos INT ,
        @CurrentPos INT ,
        @TextLength INT ,
        @LineId INT ,
        @AddOnLen INT ,
        @LFCR INT --lengths of line feed carriage return  
        ,
        @DefinedLength INT  
  
/* NOTE: Length of @SyscomText is 4000 to replace the length of  
** text column in syscomments.  
** lengths on @Line, #CommentText Text column and  
** value for @DefinedLength are all 2550. These need to all have  
** the same values. 2550 was selected in order for the max length  
** display using down level clients  
*/ ,
        @SyscomText NVARCHAR(4000) ,
        @Line NVARCHAR(2550)  
  
    SELECT  @DefinedLength = 2550  
    SELECT  @BlankSpaceAdded = 0 /*Keeps track of blank spaces at end of lines. Note Len function ignores  
                             trailing blank spaces*/  
    CREATE TABLE #CommentText
        (
          LineId INT ,
          Text NVARCHAR(2550) COLLATE database_default
        )  
  
/*  
**  Make sure the @objname is local to the current database.  
*/  
    SELECT  @dbname = PARSENAME(@objname, 3)  
    IF @dbname IS NULL 
        SELECT  @dbname = DB_NAME()  
    ELSE 
        IF @dbname  DB_NAME() 
            BEGIN  
                RAISERROR(15250,-1,-1)  
                RETURN (1)  
            END  
  
/*  
**  See if @objname exists.  
*/  
    SELECT  @objid = OBJECT_ID(@objname)  
    IF ( @objid IS NULL ) 
        BEGIN  
            RAISERROR(15009,-1,-1,@objname,@dbname)  
            RETURN (1)  
        END  
  
-- If second parameter was given.  
    IF ( @columnname IS NOT NULL ) 
        BEGIN  
        -- Check if it is a table  
            IF ( SELECT COUNT(*)
                 FROM   sys.objects
                 WHERE  object_id = @objid
                        AND type IN ( 'S ', 'U ', 'TF' )
               ) = 0 
                BEGIN  
                    RAISERROR(15218,-1,-1,@objname)  
                    RETURN(1)  
                END  
        -- check if it is a correct column name  
            IF ( ( SELECT   'count' = COUNT(*)
                   FROM     sys.columns
                   WHERE    name = @columnname
                            AND object_id = @objid
                 ) = 0 ) 
                BEGIN  
                    RAISERROR(15645,-1,-1,@columnname)  
                    RETURN(1)  
                END  
            IF ( COLUMNPROPERTY(@objid, @columnname, 'IsComputed') = 0 ) 
                BEGIN  
                    RAISERROR(15646,-1,-1,@columnname)  
                    RETURN(1)  
                END  
  
            DECLARE ms_crs_syscom  CURSOR LOCAL  
            FOR SELECT text FROM syscomments WHERE id = @objid AND encrypted = 0 AND number =  
            (SELECT column_id FROM sys.columns WHERE name = @columnname AND object_id = @objid)  
            ORDER BY number,colid  
            FOR READ ONLY  
  
        END  
    ELSE 
        IF @objid = 0 
        BEGIN  
  
            SELECT  @BasePos = 1  
            SELECT  @CurrentPos = 1  
            SELECT  @TextLength = LEN(@SyscomText)  
  
            WHILE @CurrentPos != 0 
                BEGIN  
        --Looking for end of line followed by carriage return  
                    SELECT  @CurrentPos = CHARINDEX(CHAR(13) + CHAR(10),
                                                    @SyscomText, @BasePos)  
  
        --If carriage return found  
                    IF @CurrentPos != 0 
                        BEGIN  
            /*If new value for @Lines length will be > then the  
            **set length then insert current contents of @line  
            **and proceed.  
            */  
                            WHILE ( ISNULL(LEN(@Line), 0) + @BlankSpaceAdded
                                    + @CurrentPos - @BasePos + @LFCR ) > @DefinedLength 
                                BEGIN  
                                    SELECT  @AddOnLen = @DefinedLength
                                            - ( ISNULL(LEN(@Line), 0)
                                                + @BlankSpaceAdded )  
                                    INSERT  #CommentText
                                    VALUES  ( @LineId,
                                              ISNULL(@Line, N'')
                                              + ISNULL(SUBSTRING(@SyscomText,
                                                              @BasePos,
                                                              @AddOnLen), N'') )  
                                    SELECT  @Line = NULL ,
                                            @LineId = @LineId + 1 ,
                                            @BasePos = @BasePos + @AddOnLen ,
                                            @BlankSpaceAdded = 0  
                                END  
                            SELECT  @Line = ISNULL(@Line, N'')
                                    + ISNULL(SUBSTRING(@SyscomText, @BasePos,
                                                       @CurrentPos - @BasePos
                                                       + @LFCR), N'')  
                            SELECT  @BasePos = @CurrentPos + 2  
                            INSERT  #CommentText
                            VALUES  ( @LineId, @Line )  
                            SELECT  @LineId = @LineId + 1  
                            SELECT  @Line = NULL  
                        END  
                    ELSE  
        --else carriage return not found  
                        BEGIN  
                            IF @BasePos  then the  
                **defined length  
                */  
                                    WHILE ( ISNULL(LEN(@Line), 0)
                                            + @BlankSpaceAdded + @TextLength
                                            - @BasePos + 1 ) > @DefinedLength 
                                        BEGIN  
                                            SELECT  @AddOnLen = @DefinedLength
                                                    - ( ISNULL(LEN(@Line), 0)
                                                        + @BlankSpaceAdded )  
                                            INSERT  #CommentText
                                            VALUES  ( @LineId,
                                                      ISNULL(@Line, N'')
                                                      + ISNULL(SUBSTRING(@SyscomText,
                                                              @BasePos,
                                                              @AddOnLen), N'') )  
                                            SELECT  @Line = NULL ,
                                                    @LineId = @LineId + 1 ,
                                                    @BasePos = @BasePos
                                                    + @AddOnLen ,
                                                    @BlankSpaceAdded = 0  
                                        END  
                                    SELECT  @Line = ISNULL(@Line, N'')
                                            + ISNULL(SUBSTRING(@SyscomText,
                                                              @BasePos,
                                                              @TextLength
                                                              - @BasePos + 1),
                                                     N'')  
                                    IF LEN(@Line)  0 
                                        BEGIN  
                                            SELECT  @Line = @Line + ' ' ,
                                                    @BlankSpaceAdded = 1  
                                        END  
                                END  
                        END  
                END  
  
            FETCH NEXT FROM ms_crs_syscom INTO @SyscomText  
        END  
  
    IF @Line IS NOT NULL 
        INSERT  #CommentText
        VALUES  ( @LineId, @Line )  
    DECLARE @printLine NVARCHAR(2550)
    DECLARE PostCur CURSOR FOR   
    SELECT Text FROM #CommentText ORDER BY LineId  
    OPEN PostCur  
    FETCH NEXT FROM PostCur INTO @printLine  
    WHILE @@fetch_status = 0 
        BEGIN  	
            PRINT @printLine
            FETCH NEXT FROM PostCur INTO @printLine    
        END  
    CLOSE PostCur  
    DEALLOCATE PostCur   
    CLOSE  ms_crs_syscom  
    DEALLOCATE  ms_crs_syscom  
  
    DROP TABLE  #CommentText  
  
    RETURN (0) -- sp_PrintProc  
--存储过程查询
declare @StrSql varchar(max)
set @StrSql=(
Select 'exec('+char(39)+'sp_PrintProc '+name+char(39)+');' as [data()] From sys.objects where Type='P' and name like 'softManage_%' for xml path('')
)
exec(@StrSql)