• 【转】SQL SERVER获取索引脚本


    关于如何获取索引脚本的语句很多,上次在项目中需要去查询并获取索引脚本,所以写了一个简单的查询语句来进行获取。

    WITH    idxcol
              AS ( SELECT
                    i.object_id ,
                    i.index_id ,
                    OBJECT_NAME(i.object_id) AS objname ,
                    i.name AS idxname ,
                    ocol.name AS colname ,
                    i.type AS idxtype ,
                    i.type_desc AS idxtypedesc ,
                    i.is_unique ,
                    i.is_primary_key ,
                    i.is_unique_constraint ,
                    i.fill_factor ,
                    icol.key_ordinal AS idxcoloder ,
                    icol.is_descending_key ,
                    icol.is_included_column ,
                    pt.row_count ,
                    pt.used_page_count * 8 *1024.0 / POWER(1024, 2) AS [usedrowpage_mb] ,
                    pt.reserved_page_count * 8 *1024.0 / POWER(1024, 2) AS [allrowpage_MB]--,  
      --* 
                   FROM
                    sys.indexes i ,
                    sys.index_columns icol ,
                    sys.columns ocol ,
                    sys.dm_db_partition_stats pt
                   WHERE
                    i.object_id = icol.object_id
                    AND i.index_id = icol.index_id
                    AND icol.object_id = ocol.object_id
                    AND icol.column_id = ocol.column_id
                    AND i.object_id = pt.object_id
                    AND i.index_id = pt.index_id
                    AND EXISTS ( SELECT
                                    1
                                 FROM
                                    sys.objects o
                                 WHERE
                                    o.object_id = i.object_id
        
                                 AND o.type = 'U' ))

      SELECT
        * ,
        N'CREATE ' + t.idxtypedesc COLLATE Latin1_General_CI_AS_KS_WS + 
     N' INDEX ' + t.idxname COLLATE Latin1_General_CI_AS_KS_WS + 
     N' ON ' + t.objname COLLATE Latin1_General_CI_AS_KS_WS +
     N'(' + CASE WHEN t.colsinc IS NULL THEN 
      t.cols COLLATE Latin1_General_CI_AS_KS_WS 
     ELSE 
     --REPLACE(cols,t.colsinc,'') COLLATE Latin1_General_CI_AS_KS_WS 
     SUBSTRING(cols,LEN(colsinc)+2,LEN(cols)-LEN(colsinc)) 
     END 
     + N')'+CASE WHEN t.colsinc IS NOT NULL THEN ' INCLUDE('+t.colsinc+')' ELSE ' ' END 
      FROM
        ( SELECT 
      DISTINCT
            object_id ,
            index_id ,
            objname ,
            idxname ,
            idxtypedesc ,
            CASE WHEN is_primary_key = 1 THEN 'prmiary key'
                 ELSE CASE WHEN is_unique_constraint = 1 THEN 'unique constraint'
                           ELSE CASE WHEN is_unique = 1 THEN 'Unique '
                                     ELSE ''
                                END + idxtypedesc
                      END
            END AS typedesc ,
            STUFF(( SELECT
                        ',' + colname + CASE WHEN is_descending_key = 1 THEN ' desc'
                                             ELSE ''
                                        END
                    FROM
                        idxcol
                    WHERE
                        object_id = c.object_id
                        AND index_id = c.index_id
                    ORDER BY
                        idxcoloder
                  FOR
                    XML PATH('') ), 1, 1, '') AS cols ,
            STUFF(( SELECT
                        ',' + colname
                    FROM
                        idxcol
                    WHERE
                        object_id = c.object_id
                        AND index_id = c.index_id
                        AND is_included_column = 1
                    ORDER BY
                        idxcoloder
                  FOR
                    XML PATH('') ), 1, 1, '') AS colsinc ,
            row_count ,
            [allrowpage_MB] ,
            [usedrowpage_mb] ,
            [allrowpage_MB] - [usedrowpage_mb] AS unusedrowpage_mb
          FROM
            idxcol c ) AS t

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  • 原文地址:https://www.cnblogs.com/059212315/p/7198560.html
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