public TableKeySchema(DatabaseSchema database, string name, string[] foreignKeyMemberColumns, string foreignKeyTableOwner, string foreignKeyTable, string[] primaryKeyMemberColumns, string primaryKeyTableOwner, string primaryKeyTable)
{
this.database = database;
this.name = name;
if (foreignKeyTableOwner.Length > 0)
{
this.foreignKeyTable = this.Database.Tables.Where(p => p.Owner == foreignKeyTableOwner && p.Name == foreignKeyTable).FirstOrDefault();
}
else
{
this.foreignKeyTable = this.Database.Tables.Where(p => p.Name == foreignKeyTable).FirstOrDefault();
}
this.foreignKeyMemberColumns = new List<MemberColumnSchema>();
for (int i = 0; i < foreignKeyMemberColumns.Length; i++)
{
string name2 = foreignKeyMemberColumns[i];
this.foreignKeyMemberColumns.Add(new MemberColumnSchema(this.foreignKeyTable.Columns.Where(p => p.Name == name2).FirstOrDefault()));
}
if (primaryKeyTableOwner.Length > 0)
{
this.primaryKeyTable = this.Database.Tables.Where(p => p.Owner == foreignKeyTableOwner && p.Name == foreignKeyTable).FirstOrDefault();
}
else
{
this.primaryKeyTable = this.Database.Tables.Where(p => p.Name == foreignKeyTable).FirstOrDefault();
}
this.frimaryKeyMemberColumns = new List<MemberColumnSchema>();
for (int j = 0; j < primaryKeyMemberColumns.Length; j++)
{
string name3 = primaryKeyMemberColumns[j];
this.frimaryKeyMemberColumns.Add(new MemberColumnSchema(this.primaryKeyTable.Columns.Where(p => p.Name == name3).FirstOrDefault()));
}
this.extendedProperties = new List<ExtendedProperty>();
}
public ViewSchema(DatabaseSchema database, string name, string owner, DateTime dateCreated)
{
this.database = database;
this.name = name;
this.owner = owner;
this.dateCreated = dateCreated;
}
public ViewSchema(DatabaseSchema database, string name, string owner, DateTime dateCreated, ExtendedProperty[] extendedProperties)
: this(database, name, owner, dateCreated)
{
this.extendedProperties = new List<ExtendedProperty>();
this.extendedProperties.AddRange(extendedProperties);
}
public TableKeySchema(DatabaseSchema database, string name, string[] foreignKeyMemberColumns, string foreignKeyTableOwner, string foreignKeyTable, string[] primaryKeyMemberColumns, string primaryKeyTableOwner, string primaryKeyTable, ExtendedProperty[] extendedProperties)
: this(database, name, foreignKeyMemberColumns, foreignKeyTableOwner, foreignKeyTable, primaryKeyMemberColumns, primaryKeyTableOwner, primaryKeyTable)
{
this.extendedProperties = new List<ExtendedProperty>();
this.extendedProperties.AddRange(extendedProperties);
}
public TableKeySchema(DatabaseSchema database, string name, string[] foreignKeyMemberColumns, string foreignKeyTable, string[] primaryKeyMemberColumns, string primaryKeyTable)
: this(database, name, foreignKeyMemberColumns, string.Empty, foreignKeyTable, primaryKeyMemberColumns, string.Empty, primaryKeyTable)
{
}
public CommandSchema[] GetCommands(string connectionString, DatabaseSchema database)
{
string commandText = string.Format("SELECT ROUTINE_NAME, '' OWNER, CREATED FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_CATALOG = '{0}' AND ROUTINE_TYPE = 'PROCEDURE' ORDER BY 1", database.Name);
List<CommandSchema> list = new List<CommandSchema>();
using (DbConnection dbConnection = MsSqlSchemaProvider.CreateConnection(connectionString))
{
dbConnection.Open();
DbCommand dbCommand = dbConnection.CreateCommand();
dbCommand.CommandText = commandText;
dbCommand.Connection = dbConnection;
using (IDataReader dataReader = dbCommand.ExecuteReader(CommandBehavior.CloseConnection))
{
while (dataReader.Read())
{
list.Add(new CommandSchema(database, dataReader.GetString(0), dataReader.GetString(1), dataReader.GetDateTime(2)));
}
if (!dataReader.IsClosed)
{
dataReader.Close();
}
}
if (dbConnection.State != ConnectionState.Closed)
{
dbConnection.Close();
}
}
return list.ToArray();
}
public ViewSchema[] GetViews(string connectionString, DatabaseSchema database)
{
string commandText = string.Format("SELECT TABLE_NAME, '' OWNER, NULL as CREATE_TIME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_CATALOG = '{0}' AND TABLE_TYPE = 'VIEW' ORDER BY 1", database.Name);
List<ViewSchema> list = new List<ViewSchema>();
using (DbConnection dbConnection = MsSqlSchemaProvider.CreateConnection(connectionString))
{
dbConnection.Open();
DbCommand dbCommand = dbConnection.CreateCommand();
dbCommand.CommandText = commandText;
dbCommand.Connection = dbConnection;
using (IDataReader dataReader = dbCommand.ExecuteReader(CommandBehavior.CloseConnection))
{
while (dataReader.Read())
{
DateTime dateCreated = (!dataReader.IsDBNull(2)) ? dataReader.GetDateTime(2) : DateTime.Parse("2011-01-01");
list.Add(new ViewSchema(database, dataReader.GetString(0), dataReader.GetString(1), dateCreated));
}
if (!dataReader.IsClosed)
{
dataReader.Close();
}
}
if (dbConnection.State != ConnectionState.Closed)
{
dbConnection.Close();
}
}
return list.ToArray();
}
/// <summary>
/// 获取当前数据库架构信息
/// </summary>
/// <returns></returns>
protected virtual DatabaseSchema GetDatabase()
{
DatabaseSchema db = null;
switch (DMContext.ProviderType)
{
case EnumProviderType.Access:
break;
case EnumProviderType.MsSql:
db = new DatabaseSchema(new MsSqlSchemaProvider(), DMContext.DefaultConnectionString);
break;
case EnumProviderType.MySql:
db = new DatabaseSchema(new MySqlSchemaProvider(), DMContext.DefaultConnectionString);
break;
default:
break;
}
if (db == null)
{
throw new NotSupportedException("不支持的数据库类型!");
}
return db;
}
