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- 增加 IndexAttribute 特性，自动迁移索引，以及对应的 FluentApi 方法；

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- 移除 ColumnAttribute.Unique 属性设置，改为 IndexAttribute 特性设置唯一键；
This commit is contained in:
28810
2019-10-03 04:31:04 +08:00
parent cb18b74830
commit 78fded3f8e
43 changed files with 1010 additions and 607 deletions
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54
Providers/FreeSql.Provider.MySql/MySqlDbFirst.cs
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@ -252,21 +252,21 @@ where a.table_schema in ({1}) and a.table_name in ({0})
sql = string.Format(@"
select
concat(a.constraint_schema, '.', a.table_name) 'table_id',
concat(a.table_schema, '.', a.table_name) 'table_id',
a.column_name,
a.constraint_name 'index_id',
1 'IsUnique',
case when a.constraint_name = 'PRIMARY' then 1 else 0 end 'IsPrimaryKey',
a.index_name 'index_id',
case when a.non_unique = 0 then 1 else 0 end 'IsUnique',
case when a.index_name = 'PRIMARY' then 1 else 0 end 'IsPrimaryKey',
0 'IsClustered',
0 'IsDesc'
from information_schema.key_column_usage a
where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position_in_unique_constraint)
from information_schema.statistics a
where a.table_schema in ({1}) and a.table_name in ({0}) and a.index_name <> 'PRIMARY'
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var indexColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
var uniqueColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
var indexColumns = new Dictionary<string, Dictionary<string, DbIndexInfo>>();
var uniqueColumns = new Dictionary<string, Dictionary<string, DbIndexInfo>>();
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
@ -275,29 +275,27 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position
bool is_unique = string.Concat(row[3]) == "1";
bool is_primary_key = string.Concat(row[4]) == "1";
bool is_clustered = string.Concat(row[5]) == "1";
int is_desc = int.Parse(string.Concat(row[6]));
bool is_desc = string.Concat(row[6]) == "1";
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
}
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
var loc9 = loc3[table_id][column];
if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
Dictionary<string, List<DbColumnInfo>> loc10 = null;
List<DbColumnInfo> loc11 = null;
Dictionary<string, DbIndexInfo> loc10 = null;
DbIndexInfo loc11 = null;
if (!indexColumns.TryGetValue(table_id, out loc10))
indexColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
indexColumns.Add(table_id, loc10 = new Dictionary<string, DbIndexInfo>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
loc10.Add(index_id, loc11 = new DbIndexInfo());
loc11.Columns.Add(new DbIndexColumnInfo { Column = loc9, IsDesc = is_desc });
if (is_unique && !is_primary_key)
{
if (!uniqueColumns.TryGetValue(table_id, out loc10))
uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
uniqueColumns.Add(table_id, loc10 = new Dictionary<string, DbIndexInfo>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
loc10.Add(index_id, loc11 = new DbIndexInfo());
loc11.Columns.Add(new DbIndexColumnInfo { Column = loc9, IsDesc = is_desc });
}
}
foreach (string table_id in indexColumns.Keys)
@ -309,7 +307,7 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position
{
foreach (var column in uniqueColumns[table_id])
{
column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
column.Value.Columns.Sort((c1, c2) => c1.Column.Name.CompareTo(c2.Column.Name));
loc2[table_id].UniquesDict.Add(column.Key, column.Value);
}
}
@ -372,14 +370,14 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(posi
}
foreach (var loc4 in loc2.Values)
{
if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
{
foreach (var loc5 in loc4.UniquesDict.First().Value)
{
loc5.IsPrimary = true;
loc4.Primarys.Add(loc5);
}
}
//if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
//{
// foreach (var loc5 in loc4.UniquesDict.First().Value.Columns)
// {
// loc5.Column.IsPrimary = true;
// loc4.Primarys.Add(loc5.Column);
// }
//}
loc4.Primarys.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc4.Columns.Sort((c1, c2) =>
{