/*============================================================================== * *Filename:GetTableInfor.sql *Description:获取指定数据库指定表的字段以及字段长度，字段说明等相关数据信息，便于后期 开发代码生成器做准备。tbname可以换成自己需
/*==============================================================================
/*==============================================================================
*
* Filename: GetTableInfor.sql
* Description: 获取指定数据库指定表的字段以及字段长度，字段说明等相关数据信息，便于后期
开发代码生成器做准备。tbname可以换成自己需要查询的表名称 即可
* Version: 1.0
* Created: 2012.08.02
* Author: Your name
* Company: Copyright (C) Create Family Wealth Power By Peter
*
==============================================================================*/
SELECT
colorder = C.column_id ,
ColumnName = C.name ,
TypeName = T.name ,
Length = CASE WHEN T.name = 'nchar' THEN C.max_length / 2
WHEN T.name = 'nvarchar' THEN C.max_length / 2
ELSE C.max_length
END ,
Preci = C.precision ,
Scale = C.scale ,
IsIdentity = CASE WHEN C.is_identity = 1 THEN N'1'
ELSE N''
END ,
isPK = ISNULL(IDX.PrimaryKey, N'') ,
Computed = CASE WHEN C.is_computed = 1 THEN N'1'
ELSE N''
END ,
IndexName = ISNULL(IDX.IndexName, N'') ,
IndexSort = ISNULL(IDX.Sort, N'') ,
Create_Date = O.Create_Date ,
Modify_Date = O.Modify_date ,
cisNull = CASE WHEN C.is_nullable = 1 THEN N'1'
ELSE N''
END ,
defaultVal = ISNULL(D.definition, N'') ,
deText = ISNULL(PFD.[value], N'')
FROM
sys.columns C
INNER JOIN sys.objects O ON C.[object_id] = O.[object_id]
AND ( O.type = 'U'
OR O.type = 'V'
)
AND O.is_ms_shipped = 0
INNER JOIN sys.types T ON C.user_type_id = T.user_type_id
LEFT JOIN sys.default_constraints D ON C.[object_id] = D.parent_object_id
AND C.column_id = D.parent_column_id
AND C.default_object_id = D.[object_id]
LEFT JOIN sys.extended_properties PFD ON PFD.class = 1
AND C.[object_id] = PFD.major_id
AND C.column_id = PFD.minor_id
LEFT JOIN sys.extended_properties PTB ON PTB.class = 1
AND PTB.minor_id = 0
AND C.[object_id] = PTB.major_id
LEFT JOIN -- 索引及主键信息
( SELECT
IDXC.[object_id] ,
IDXC.column_id ,
Sort = CASE INDEXKEY_PROPERTY(IDXC.[object_id], IDXC.index_id,
IDXC.index_column_id, 'IsDescending')
WHEN 1 THEN 'DESC'
WHEN 0 THEN 'ASC'
ELSE ''
END ,
PrimaryKey = CASE WHEN IDX.is_primary_key = 1 THEN N'1'
ELSE N''
END ,
IndexName = IDX.Name
FROM
sys.indexes IDX
INNER JOIN sys.index_columns IDXC ON IDX.[object_id] = IDXC.[object_id]
AND IDX.index_id = IDXC.index_id
LEFT JOIN sys.key_constraints KC ON IDX.[object_id] = KC.[parent_object_id]
AND IDX.index_id = KC.unique_index_id
INNER JOIN -- 对于一个列包含多个索引的情况,只显示第1个索引信息
( SELECT
[object_id] ,
Column_id ,
index_id = MIN(index_id)
FROM
sys.index_columns
GROUP BY
[object_id] ,
Column_id
) IDXCUQ ON IDXC.[object_id] = IDXCUQ.[object_id]
AND IDXC.Column_id = IDXCUQ.Column_id
AND IDXC.index_id = IDXCUQ.index_id
) IDX ON C.[object_id] = IDX.[object_id]
AND C.column_id = IDX.column_id
WHERE
O.name = N'tbname' --数据库中表的名称tbname可以替换成自己需要查询的表
ORDER BY
O.name ,
C.column_id 
