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- 增加 DbFirst 获取字段的默认值信息；

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This commit is contained in:
28810
2020-04-13 19:00:22 +08:00
parent 44638a1e97
commit 5e336a0173
13 changed files with 110 additions and 26 deletions
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14
Providers/FreeSql.Provider.SqlServer/SqlServerDbFirst.cs
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@@ -246,13 +246,16 @@ isnull(e.name,'') + '.' + isnull(d.name,'')
{0} a
inner join sys.types b on b.user_type_id = a.user_type_id
left join sys.tables d on d.object_id = a.object_id
left join sys.schemas e on e.schema_id = d.schema_id
left join sys.schemas e on e.schema_id = d.schema_id{2}
where {1}
";
sql = string.Format(tsql_place, @"
,a.is_nullable 'IsNullable'
,a.is_identity 'IsIdentity'
from sys.columns", loc8.ToString().Replace("a.table_name", "a.object_id"));
,f.text as 'DefaultValue'
from sys.columns", loc8.ToString().Replace("a.table_name", "a.object_id"), @"
left join syscomments f on f.id = a.default_object_id
");
if (loc88.Length > 0)
{
sql += "union all" +
@@ -261,7 +264,8 @@ from sys.columns", loc8.ToString().Replace("a.table_name", "a.object_id"));
" select value from sys.extended_properties where major_id = a.object_id AND minor_id = a.parameter_id"), @"
,cast(0 as bit) 'IsNullable'
,a.is_output 'IsIdentity'
from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"));
,'' as 'DefaultValue'
from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"), "");
}
sql = $"use [{db}];{sql};use [{olddatabase}]; ";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
@@ -278,6 +282,7 @@ from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"));
var comment = string.Concat(row[6]);
var is_nullable = bool.Parse(string.Concat(row[7]));
var is_identity = bool.Parse(string.Concat(row[8]));
var defaultValue = string.Concat(row[9]);
if (max_length == 0) max_length = -1;
loc3[object_id].Add(column, new DbColumnInfo
@@ -290,7 +295,8 @@ from sys.parameters", loc88.ToString().Replace("a.table_name", "a.object_id"));
DbTypeText = type,
DbTypeTextFull = sqlType,
Table = loc2[object_id],
Coment = comment
Coment = comment,
DefaultValue = defaultValue
});
loc3[object_id][column].DbType = this.GetDbType(loc3[object_id][column]);
loc3[object_id][column].CsType = this.GetCsTypeInfo(loc3[object_id][column]);