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- 增加 CodeFirst 实体类注释 -> 表备注，之前只能属性注释 -> 字段备注；

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This commit is contained in:
28810
2020-03-31 12:42:13 +08:00
parent efedc894bf
commit 72c3d91ca1
22 changed files with 253 additions and 182 deletions
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38
Providers/FreeSql.Provider.SqlServer/SqlServerCodeFirst.cs
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@ -70,6 +70,35 @@ namespace FreeSql.SqlServer
return null;
}
void AddOrUpdateMS_Description(StringBuilder sb, string schema, string table, string comment)
{
if (string.IsNullOrEmpty(comment))
{
sb.AppendFormat(@"
IF ((SELECT COUNT(1) from fn_listextendedproperty('MS_Description',
'SCHEMA', N'{0}',
'TABLE', N'{1}',
NULL, NULL)) > 0)
EXEC sp_dropextendedproperty @name = N'MS_Description'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
", schema.Replace("'", "''"), table.Replace("'", "''"));
return;
}
sb.AppendFormat(@"
IF ((SELECT COUNT(1) from fn_listextendedproperty('MS_Description',
'SCHEMA', N'{0}',
'TABLE', N'{1}',
NULL, NULL)) > 0)
EXEC sp_updateextendedproperty @name = N'MS_Description', @value = N'{2}'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
ELSE
EXEC sp_addextendedproperty @name = N'MS_Description', @value = N'{2}'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
", schema.Replace("'", "''"), table.Replace("'", "''"), comment?.Replace("'", "''") ?? "");
}
void AddOrUpdateMS_Description(StringBuilder sb, string schema, string table, string column, string comment)
{
if (string.IsNullOrEmpty(comment))
@ -215,6 +244,8 @@ ELSE
if (string.IsNullOrEmpty(tbcol.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], tbname[2], tbcol.Attribute.Name, tbcol.Comment);
}
if (string.IsNullOrEmpty(tb.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], tbname[2], tb.Comment);
continue;
}
//如果新表，旧表在一个数据库和模式下，直接修改表名
@ -326,6 +357,10 @@ use [" + database + "];", tboldname ?? tbname);
}
if (istmpatler == false)
{
var dbcomment = string.Concat(_orm.Ado.ExecuteScalar(CommandType.Text, $" SELECT value from fn_listextendedproperty('MS_Description', 'schema', N'{tbname[1].Replace("'", "''")}', 'table', N'{tbname[2].Replace("'", "''")}', NULL, NULL)"));
if (dbcomment != (tb.Comment ?? ""))
AddOrUpdateMS_Description(sb, tbname[1], tbname[2], tb.Comment);
if (sbalter.Length > 0)
sb.Append(sbalter).Append("\r\nuse " + database);
continue;
@ -372,6 +407,9 @@ use [" + database + "];", tboldname ?? tbname);
if (string.IsNullOrEmpty(tbcol.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], $"FreeSqlTmp_{tbname[2]}", tbcol.Attribute.Name, tbcol.Comment);
}
if (string.IsNullOrEmpty(tb.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], $"FreeSqlTmp_{tbname[2]}", tb.Comment);
if ((_commonUtils as SqlServerUtils).ServerVersion > 9) //SqlServer 2008+
sb.Append("ALTER TABLE ").Append(tmptablename).Append(" SET (LOCK_ESCALATION = TABLE);\r\n");
if (idents) sb.Append("SET IDENTITY_INSERT ").Append(tmptablename).Append(" ON;\r\n");