private void compareFieldExistence()
{
TableFieldDifferences = new ObservableCollection <a7DbTableFieldDifferences>();
_log("Checking columns of Db " + DbAName);
var alreadyWrittenTableFieldDifferences = new Dictionary <string, a7DbTableFieldDifferences>();
foreach (var tb in DbA.Tables)
{
var table = tb as Table;
var tableOnB = DbB.Tables[table.Name];
if (tableOnB == null)
{
continue;
}
var tableFieldDiffOnlyInA = new a7DbTableFieldDifferences(table.Name, this);
var someFieldDifferent = false;
var pos = 0;
foreach (var fld in table.Columns)
{
var col = fld as Column;
_log(string.Format("Field in '{2}' in Table '{0}' in db '{1}'", table.Name, DbA.Name, col.Name));
var colOnB = tableOnB.Columns[col.Name];
if (colOnB == null)
{
someFieldDifferent = true;
var copyToItem =
new a7DbTableFieldCopyTo(_dbName, col, pos, table, tableOnB, DbA, DbB, this, tableFieldDiffOnlyInA);
tableFieldDiffOnlyInA.TableFieldsOnlyInA.Add(copyToItem);
}
else
{
if (col.DataType.MaximumLength != colOnB.DataType.MaximumLength ||
col.DataType.SqlDataType != colOnB.DataType.SqlDataType)
{
someFieldDifferent = true;
tableFieldDiffOnlyInA.TableFieldsDifferentType.Add(new a7DbTableFieldDifferent(col, colOnB, table, tableOnB, DbA, DbB, this, tableFieldDiffOnlyInA));
//a7DbTableFieldDifferences tableFieldDifferent;
//if (alreadyWrittenTableFieldDifferences.ContainsKey(table.Name))
//{
// tableFieldDifferent = alreadyWrittenTableFieldDifferences[table.Name];
//}
//else
//{
// tableFieldDifferent = new a7DbTableFieldDifferences(table.Name, this);
// alreadyWrittenTableFieldDifferences[table.Name] = tableFieldDifferent;
//}
//tableFieldDifferent.TableFieldsOnlyInA.Add(new a7DbTableFieldDifferent(col, colOnB, table, tableOnB, DbA, DbB, this));
}
}
pos++;
}
if (someFieldDifferent)
{
TableFieldDifferences.Add(tableFieldDiffOnlyInA);
}
}
//foreach (var tableDifferent in alreadyWrittenTableFieldDifferences.Values)
// this.TableFieldDifferences.Add(tableDifferent);
_log("Checking columns of Db " + DbBName);
foreach (var tb in DbB.Tables)
{
var table = tb as Table;
var tableOnA = DbA.Tables[table.Name];
if (tableOnA == null)
{
continue;
}
var tableFieldDiffOnlyInA = TableFieldDifferences.FirstOrDefault((s) => s.TableName == table.Name);
var addA = false;
if (tableFieldDiffOnlyInA == null)
{
addA = true;
tableFieldDiffOnlyInA = new a7DbTableFieldDifferences(table.Name, this);
}
var someFieldDifferent = false;
var pos = 0;
foreach (var fld in table.Columns)
{
var col = fld as Column;
_log(string.Format("Field in '{2}' in Table '{0}' in db '{1}'", table.Name, DbB.Name, col.Name));
var colOnA = tableOnA.Columns[col.Name];
if (colOnA == null)
{
someFieldDifferent = true;
var copyTo =
new a7DbTableFieldCopyTo(_dbName, col, pos, table, tableOnA, DbB, DbA, this, tableFieldDiffOnlyInA);
tableFieldDiffOnlyInA.TableFieldsOnlyInB.Add(copyTo);
}
pos++;
}
if (someFieldDifferent && addA)
{
TableFieldDifferences.Add(tableFieldDiffOnlyInA);
}
}
}
public a7DbTableFieldDifferent(Column colA, Column colB, Table tableA, Table tableB, Database dbA, Database dbB, a7DbStructureComparer comparer, a7DbTableFieldDifferences differences)
{
DbAName = comparer.DbAName;
DbBName = comparer.DbBName;
TypeInA = colA.DataType.ToString();
if (colA.DataType.SqlDataType == SqlDataType.VarChar || colA.DataType.SqlDataType == SqlDataType.NVarChar ||
colA.DataType.SqlDataType == SqlDataType.Char || colA.DataType.SqlDataType == SqlDataType.NChar)
{
TypeInA += "(" + colA.DataType.MaximumLength + ")";
}
TypeInB = colB.DataType.ToString();
if (colB.DataType.SqlDataType == SqlDataType.VarChar || colB.DataType.SqlDataType == SqlDataType.NVarChar ||
colB.DataType.SqlDataType == SqlDataType.Char || colB.DataType.SqlDataType == SqlDataType.NChar)
{
TypeInB += "(" + colB.DataType.MaximumLength + ")";
}
Text = colA.Name;
CopyTypeToA = new a7LambdaCommand((o) =>
{
comparer.IsBusy = true;
Task.Factory.StartNew(() =>
{
if ((colA.DataType.SqlDataType == SqlDataType.VarChar &&
colB.DataType.SqlDataType == SqlDataType.VarChar) ||
(colA.DataType.SqlDataType == SqlDataType.NVarChar &&
colB.DataType.SqlDataType == SqlDataType.NVarChar))
{
colA.DataType.MaximumLength = colB.DataType.MaximumLength;
tableA.Alter();
Application.Current.Dispatcher.Invoke(() =>
{
differences.TableFieldsDifferentType.Remove(this);
});
}
else
{
Application.Current.Dispatcher.Invoke(() =>
{
MessageBox.Show("Not supported for non-varchar types");
});
}
Application.Current.Dispatcher.Invoke(() =>
{
comparer.IsBusy = false;
});
}).ContinueWith((t) =>
{
if (t.Exception != null)
{
throw t.Exception;
}
});
}
);
CopyTypeToB = new a7LambdaCommand((o) =>
{
comparer.IsBusy = true;
if ((colA.DataType.SqlDataType == SqlDataType.VarChar &&
colB.DataType.SqlDataType == SqlDataType.VarChar) ||
(colA.DataType.SqlDataType == SqlDataType.NVarChar &&
colB.DataType.SqlDataType == SqlDataType.NVarChar))
{
colB.DataType.MaximumLength = colA.DataType.MaximumLength;
tableB.Alter();
Application.Current.Dispatcher.Invoke(() =>
{
differences.TableFieldsDifferentType.Remove(this);
});
}
else
{
Application.Current.Dispatcher.Invoke(() =>
{
MessageBox.Show("Not supported for non-varchar types");
});
}
Application.Current.Dispatcher.Invoke(() =>
{
comparer.IsBusy = false;
});
}
);
}
public a7DbTableFieldCopyTo(string dbName, Column column, int colPos, Table tableExists, Table tableNotExists, Database isInDb, Database isNotIntDb, a7DbStructureComparer comparer, a7DbTableFieldDifferences tableFieldDifferencesExists)
{
Text = column.Name;
AddToOtherDbName = isNotIntDb.Name;
AddToOtherCommand = new a7LambdaCommand((o) =>
{
comparer.IsBusy = true;
Task.Factory.StartNew(() =>
{
a7DbTableUtils.CopyColumn(column, tableExists, tableNotExists, new Server(dbName), colPos);
tableNotExists.Alter();
Application.Current.Dispatcher.Invoke(() =>
{
tableFieldDifferencesExists.TableFieldsOnlyInA.Remove(this);
tableFieldDifferencesExists.TableFieldsOnlyInB.Remove(this);
comparer.IsBusy = false;
});
}).ContinueWith((t) =>
{
if (t.Exception != null)
{
throw t.Exception;
}
});
}
);
RemoveFromThisDbName = isInDb.Name;
RemoveFromThisCommand = new a7LambdaCommand((o) =>
{
comparer.IsBusy = true;
Task.Factory.StartNew(() =>
{
column.Drop();
Application.Current.Dispatcher.Invoke(() =>
{
tableFieldDifferencesExists.TableFieldsOnlyInA.Remove(this);
tableFieldDifferencesExists.TableFieldsOnlyInB.Remove(this);
comparer.IsBusy = false;
});
});
}
);
}
