public IConfigInit AddPhysicTable <TEntity>(string physicTableName, string groupName = "BaseDbGroup")
{
var absEntityType = typeof(TEntity);
_lock.EnterReadLock();
bool exists = _physicTables.Any(x =>
x.AbsTableName == absEntityType.Name &&
x.GroupName == groupName &&
x.PhysicTableName == physicTableName);
_lock.ExitReadLock();
if (exists)
{
return(this);
}
_lock.EnterWriteLock();
_physicTables.Add(new PhysicTable
{
AbsTableName = absEntityType.Name,
GroupName = groupName,
PhysicTableName = physicTableName
});
_lock.ExitWriteLock();
var physicEntityType = ShardingHelper.MapTable(absEntityType, physicTableName);
DbModelFactory.AddEntityType(physicTableName, physicEntityType);
return(this);
}
public List <(string tableName, string conString, DatabaseType dbType)> GetReadTables(string absTableName, string absDbName, IQueryable source)
{
var rule = GetShardingRule(absDbName, absTableName);
var allTables = GetTargetTables(absTableName, ReadWriteType.Read, absDbName);
var allTableNames = allTables.Select(x => x.tableName).ToList();
var findTables = ShardingHelper.FilterTable(source, allTableNames, rule);
allTables = allTables.Where(x => findTables.Contains(x.tableName)).ToList();
#if DEBUG
Console.WriteLine($"查询分表:{string.Join(",", findTables)}");
#endif
return(allTables);
}
