private void Init(IRepository repository, string outFile)
{
_outFile = outFile;
_repository = repository;
_sbScript = new StringBuilder(10485760);
_tableNames = _repository.GetAllTableNames();
_allColumns = _repository.GetAllColumns();
_allForeignKeys = repository.GetAllForeignKeys();
_allPrimaryKeys = repository.GetAllPrimaryKeys();
if (!repository.IsServer())
_allIndexes = repository.GetAllIndexes();
string scriptEngineBuild = AssemblyFileVersion;
if (_repository.IsServer())
{
// Check if datatypes are supported when exporting from server
// Either they can be converted, are supported, or an exception is thrown (if not supported)
// Currently only sql_variant is not supported
foreach (Column col in _allColumns)
{
col.CharacterMaxLength = Helper.CheckDateColumnLength(col.DataType, col);
col.DateFormat = Helper.CheckDateFormat(col.DataType);
// Check if the current column points to a unique identity column,
// as the two columns' datatypes must match
bool refToIdentity = false;
Dictionary<string, Constraint> columnForeignKeys = new Dictionary<string, Constraint>();
// Fix for multiple constraints with same columns
var _tableKeys = _allForeignKeys.Where(c => c.ConstraintTableName == col.TableName);
foreach (var constraint in _tableKeys)
{
if (!columnForeignKeys.ContainsKey(constraint.Columns.ToString()))
{
columnForeignKeys.Add(constraint.Columns.ToString(), constraint);
}
}
if (columnForeignKeys.ContainsKey(string.Format("[{0}]", col.ColumnName)))
{
var refCol = _allColumns.Where(c => c.TableName == columnForeignKeys[string.Format("[{0}]", col.ColumnName)].UniqueConstraintTableName
&& string.Format("[{0}]", c.ColumnName) == columnForeignKeys[string.Format("[{0}]", col.ColumnName)].UniqueColumnName).FirstOrDefault();
if (refCol != null && refCol.AutoIncrementBy > 0)
{
refToIdentity = true;
}
}
col.ServerDataType = col.DataType;
// This modifies the datatype to be SQL Compact compatible
col.DataType = Helper.CheckDataType(col.DataType, col, refToIdentity, _preserveDateAndDateTime2);
}
}
_sbScript.AppendFormat("-- Script Date: {0} {1} - ErikEJ.SqlCeScripting version {2}", DateTime.Now.ToShortDateString(), DateTime.Now.ToShortTimeString(), scriptEngineBuild);
_sbScript.AppendLine();
if (!string.IsNullOrEmpty(_outFile) && !_repository.IsServer())
{
GenerateDatabaseInfo();
}
//if (!string.IsNullOrEmpty(_outFile) && _sqlite)
//{
// _sbScript.AppendLine("SELECT 1;");
// _sbScript.AppendLine("PRAGMA foreign_keys=OFF;");
// _sbScript.AppendLine("BEGIN TRANSACTION;");
//}
}