public void Test_GetRAWStageTypeWhenPreLoadDiscardedDilution()
{
TableInfo parent = new TableInfo(CatalogueRepository, "Rokkits");
ColumnInfo column = new ColumnInfo(CatalogueRepository, "MyCol", "varchar(4)", parent);
var discard = new PreLoadDiscardedColumn(CatalogueRepository, parent, "MyCol");
discard.SqlDataType = "varchar(10)";
discard.Destination = DiscardedColumnDestination.Dilute;
discard.SaveToDatabase();
Assert.AreEqual("varchar(4)", column.GetRuntimeDataType(LoadStage.PostLoad));
Assert.AreEqual("varchar(4)", column.GetRuntimeDataType(LoadStage.AdjustStaging));
Assert.AreEqual("varchar(10)", column.GetRuntimeDataType(LoadStage.AdjustRaw));
discard.DeleteInDatabase();
parent.DeleteInDatabase();
}
private void GeneratePreviews()
{
if (preview == null)
{
preview = new DataTable();
preview.Columns.Add(_columnInfo.GetRuntimeName(LoadStage.PostLoad));
preview.Columns.Add(ANOTable.ANOPrefix + _columnInfo.GetRuntimeName(LoadStage.PostLoad));
var server = DataAccessPortal.GetInstance().ExpectServer(ColumnInfo.TableInfo, DataAccessContext.DataLoad);
using (var con = server.GetConnection())
{
con.Open();
lblPreviewDataIsFictional.Visible = false;
var qb = new QueryBuilder(null, null, new[] { ColumnInfo.TableInfo });
qb.AddColumn(new ColumnInfoToIColumn(new MemoryRepository(), _columnInfo));
qb.TopX = 10;
bool rowsRead = false;
using (DbCommand cmd = server.GetCommand(qb.SQL, con))
{
cmd.CommandTimeout = Convert.ToInt32(ntimeout.Value);
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
preview.Rows.Add(r[_columnInfo.GetRuntimeName(LoadStage.PostLoad)], DBNull.Value);
rowsRead = true;
}
}
}
if (!rowsRead)
{
lblPreviewDataIsFictional.Visible = true;
if (_columnInfo.GetRuntimeDataType(LoadStage.AdjustRaw).ToLower().Contains("char"))
{
preview.Rows.Add("?", DBNull.Value);
preview.Rows.Add("?", DBNull.Value);
preview.Rows.Add("?", DBNull.Value);
preview.Rows.Add("?", DBNull.Value);
}
else if (_columnInfo.GetRuntimeDataType(LoadStage.AdjustRaw).ToLower().Contains("date"))
{
preview.Rows.Add("1977-08-16", DBNull.Value);
preview.Rows.Add("1977-08-16", DBNull.Value);
preview.Rows.Add("1977-08-16", DBNull.Value);
preview.Rows.Add("1977-08-16", DBNull.Value);
}
else
{
preview.Rows.Add("-1", DBNull.Value);
preview.Rows.Add("-1", DBNull.Value);
preview.Rows.Add("-1", DBNull.Value);
preview.Rows.Add("-1", DBNull.Value);
}
}
con.Close();
}
}
if (ANOTable != null)
{
try
{
if (preview.Rows.Count != 0)
{
checksUI1.Clear();
ANOTransformer transformer = new ANOTransformer(ANOTable, new FromCheckNotifierToDataLoadEventListener(checksUI1));
transformer.Transform(preview, preview.Columns[0], preview.Columns[1], true);
}
}
catch (Exception e)
{
checksUI1.OnCheckPerformed(new CheckEventArgs(e.Message, CheckResult.Fail, e));
}
}
dgPreview.DataSource = preview;
}
public void Synchronize(ICheckNotifier notifier)
{
//no need to check dump because it probably doesn't even have one
if (!_parent.HasAtLeastOneColumnToStoreInDump)
{
return;
}
//dump database is required so check connection to it
var server = DataAccessPortal.GetInstance().ExpectServer(_dump, DataAccessContext.DataLoad);
var tables = server.GetCurrentDatabase().DiscoverTables(false);
using (var con = server.GetConnection())
{
try
{
con.Open();
}
catch (SqlException e)
{
throw new ANOConfigurationException("Anonymisation database is not accessible", e);
}
string identifiersTable = _parent.GetRuntimeName();//gets the dump table runtime name
//find primary keys
var primaryKeyColumnInfos = _parent.TableInfo.ColumnInfos.Where(col => col.IsPrimaryKey).ToArray();
//make sure it has a primary key
if (!primaryKeyColumnInfos.Any())
{
throw new ANOConfigurationException("No primary keys are defined on TableInfo called " + _parent.TableInfo.GetRuntimeName() + " (ID=" + _parent.TableInfo.ID + ")");
}
//make sure there is an _Identifiers table for the dataset
if (!tables.Any(t => t.GetRuntimeName().Equals(identifiersTable)))
{
if (notifier.OnCheckPerformed(new CheckEventArgs("Table " + identifiersTable + " was not found in IdentifierDump " + _dump, CheckResult.Fail, null,
"Create new identifier dump called " + identifiersTable +
" using the current primary key ColumnInfos (" + string.Join(",", primaryKeyColumnInfos.Select(c => c.GetRuntimeName())) + ") and currently configured dump columns")))
{
_parent.CreateIdentifierDumpTable(primaryKeyColumnInfos);
}
else
{
throw new ANOConfigurationException("User rejected change to fix Identifier dump " + identifiersTable + " not being found on server");
}
}
DiscoveredColumn[] columnsInTheIdentifiersDumpTable = server.ExpectDatabase(_dump.Database).ExpectTable(identifiersTable).DiscoverColumns();
#region Pk Mismatches between dump and live
//Are all origin primary keys in the dump and also primary keys in the dump?
foreach (var originPk in primaryKeyColumnInfos)
{
var expectedColName = originPk.GetRuntimeName(LoadStage.AdjustRaw);
var match = columnsInTheIdentifiersDumpTable.SingleOrDefault(c => c.GetRuntimeName().Equals(expectedColName));
if (match == null)
{
throw new ANOConfigurationException("Column " + originPk + " is a primary key column but is not in Identifier dump table " + identifiersTable);
}
if (!match.IsPrimaryKey)
{
throw new ANOConfigurationException("Column " + originPk + " is a primary key column but in Identifier dump " + identifiersTable + " it is not part of the primary key");
}
}
foreach (var dumpPk in columnsInTheIdentifiersDumpTable.Where(c => c.IsPrimaryKey))
{
if (!primaryKeyColumnInfos.Any(p => p.GetRuntimeName(LoadStage.AdjustRaw).Equals(dumpPk.GetRuntimeName())))
{
throw new ANOConfigurationException("Column " + dumpPk.GetFullyQualifiedName() + " in Identifier dump " + identifiersTable + " is part of the primary key but the LIVE table primary key columns does not include it");
}
}
#endregion
#region missing columns
//fetch all the columns in the _Identifiers table - so we can make sure the correct columns exist for all PreLoadDiscardedColumns
var missingColumns = new List <string>();
//extra columns
foreach (string columnNameInDump in columnsInTheIdentifiersDumpTable.Select(c => c.GetRuntimeName()))
{
if (primaryKeyColumnInfos.Any(pk => pk.GetRuntimeName(LoadStage.AdjustRaw).Equals(columnNameInDump)))//its a primary key so expected
{
continue;
}
if (_parent.ColumnsToRouteToSomewhereElse.Any(d => d.GetRuntimeName().Equals(columnNameInDump)))//it's something we were expecting to dump
{
continue;
}
//these are also expected don't warn user about them
if (columnNameInDump == SpecialFieldNames.ValidFrom || columnNameInDump == SpecialFieldNames.DataLoadRunID)
{
continue;
}
notifier.OnCheckPerformed(
new CheckEventArgs(
"Column " + columnNameInDump + " was found in the IdentifierDump table " + identifiersTable +
" but was not one of the primary keys or a PreLoadDiscardedColumn", CheckResult.Warning));
}
//for each column that we are supposed to dump, make sure it is actually in the dump table
foreach (PreLoadDiscardedColumn column in _parent.ColumnsToRouteToSomewhereElse.Where(c => c.GoesIntoIdentifierDump()))
{
var colInIdentifierDumpDatabase = columnsInTheIdentifiersDumpTable.SingleOrDefault(c => c.GetRuntimeName().Equals(column.RuntimeColumnName));
//if there are not any columns in the dump that have the same runtime name as the current preloaddiscarded column
if (colInIdentifierDumpDatabase == null)
{
//get the user to agree to add it to the table?
if (notifier.OnCheckPerformed(new CheckEventArgs(
"Missing column " + column.RuntimeColumnName + " in table " + identifiersTable,
CheckResult.Fail, null, "Add missing column")))
{
AddColumnToDump(column, con); //add it because user agreed
}
else
{
missingColumns.Add(column.RuntimeColumnName); //user disagreed, record it as a failure
}
}
else
{
//column is there, make sure the type is correct
if (string.IsNullOrWhiteSpace(column.Data_type))
{
notifier.OnCheckPerformed(
new CheckEventArgs("PreLoadDiscardedColumn " + column + " does not have a data type recorded in the Catalogue!", CheckResult.Fail));
}
else if (!column.Data_type.Equals(colInIdentifierDumpDatabase.DataType.SQLType))
{
notifier.OnCheckPerformed(
new CheckEventArgs("PreLoadDiscardedColumn" + column + " has data type " +
column.Data_type + " in the Catalogue but appears as " +
colInIdentifierDumpDatabase.DataType.SQLType +
" in the actual IdentifierDump", CheckResult.Fail));
}
}
}
//for each primary key, make sure it is also in the dump
foreach (string primaryKeyName in primaryKeyColumnInfos.Select(pk => pk.GetRuntimeName(LoadStage.AdjustRaw)))
{
if (
//if there are not any columns in the dump with the same name as the current primary key
!columnsInTheIdentifiersDumpTable.Any(
c => c.GetRuntimeName().Equals(primaryKeyName)))
{
missingColumns.Add(primaryKeyName);
}
}
if (missingColumns.Any())
{
throw new ANOConfigurationException("Fields missing from table " + identifiersTable + " :" + missingColumns.Aggregate(Environment.NewLine, (s, v) => s + "," + v));
}
#endregion
#region mismatch of Type
//fetch all the columns in the _Identifiers table - so we can make sure the correct columns exist for all PreLoadDiscardedColumns
ColumnInfo[] allColumnsInLiveDatabase = _parent.TableInfo.ColumnInfos.ToArray();
List <string> typeMismatchesMessages = new List <string>();
foreach (DiscoveredColumn columnInIdentifierDump in columnsInTheIdentifiersDumpTable)
{
//try to find a ColumnInfo in the catalogue that has the same name as the identifier dump column we found when interrogating the database
ColumnInfo columnThatShouldHaveTheSameType
= allColumnsInLiveDatabase.FirstOrDefault(
col => col.GetRuntimeName().Equals(columnInIdentifierDump.GetRuntimeName()));
//we straight up found a column in the dump that doesn't exist in the metadata, thats fine (presumably the user nuked the column at some point and left the archival dumped stuff still in the dump)
if (columnThatShouldHaveTheSameType == null)
{
continue;
}
var rawType = columnThatShouldHaveTheSameType.GetRuntimeDataType(LoadStage.AdjustRaw);
if (!rawType.Equals(columnInIdentifierDump.DataType.SQLType))
{
typeMismatchesMessages.Add("Column " + columnInIdentifierDump + " in Identifier Dump " + identifiersTable + " mismatch " +
columnInIdentifierDump.DataType.SQLType +
" vs " +
rawType + " (in catalogue - using GetRuntimeDataType(LoadStage.AdjustRaw))");
}
}
if (typeMismatchesMessages.Any())
{
throw new ANOConfigurationException("Fields have unexpected types in table " + identifiersTable + " :" + typeMismatchesMessages.Aggregate(Environment.NewLine, (s, v) => s + Environment.NewLine + v));
}
#endregion
}
}
