public override IList <DatabaseColumn> IdentityColumns(string tableName)
{
var dt = _schemaReader.IdentityColumns(tableName);
return(SchemaConstraintConverter.ConvertIdentity(dt));
}
public IList <DatabaseTable> Load(CancellationToken ct)
{
if (ct.IsCancellationRequested)
{
return(EmptyList());
}
RaiseReadingProgress(SchemaObjectType.Tables);
//get full datatables for all tables, to minimize database calls
var tabs = _schemaReader.Tables();
//we either use the converters directly (DataTable to our db model)
//or loaders, which wrap the schema loader calls and converters
//loaders hide the switch between calling for all tables, or a specific table
if (ct.IsCancellationRequested)
{
return(EmptyList());
}
RaiseReadingProgress(SchemaObjectType.Columns);
var columnLoader = new ColumnLoader(_schemaReader);
if (ct.IsCancellationRequested)
{
return(EmptyList());
}
RaiseReadingProgress(SchemaObjectType.Constraints);
var constraintLoader = new SchemaConstraintLoader(_schemaReader);
var indexLoader = new IndexLoader(_schemaReader);
var ids = _schemaReader.IdentityColumns(null);
var computeds = _schemaReader.ComputedColumns(null);
if (ct.IsCancellationRequested)
{
return(EmptyList());
}
RaiseReadingProgress(SchemaObjectType.Descriptions);
var tableDescriptions = new TableDescriptionConverter(_schemaReader.TableDescription(null));
var columnDescriptions = new ColumnDescriptionConverter(_schemaReader.ColumnDescription(null));
DataTable triggers = _schemaReader.Triggers(null);
var triggerConverter = new TriggerConverter(triggers);
if (ct.IsCancellationRequested)
{
return(EmptyList());
}
ReaderEventArgs.RaiseEvent(ReaderProgress, this, ProgressType.Processing, SchemaObjectType.Tables);
var tables = SchemaConverter.Tables(tabs);
var tableFilter = _exclusions.TableFilter;
if (tableFilter != null)
{
tables.RemoveAll(t => tableFilter.Exclude(t.Name));
}
tables.Sort(delegate(DatabaseTable t1, DatabaseTable t2)
{
//doesn't account for mixed schemas
return(string.Compare(t1.Name, t2.Name, StringComparison.OrdinalIgnoreCase));
});
int tablesCount = tables.Count;
for (var i = 0; i < tablesCount; i++)
{
var table = tables[i];
var tableName = table.Name;
var schemaName = table.SchemaOwner;
if (ct.IsCancellationRequested)
{
return(tables);
}
ReaderEventArgs.RaiseEvent(ReaderProgress, this, ProgressType.Processing, SchemaObjectType.Tables, tableName, i, tablesCount);
table.Description = tableDescriptions.FindDescription(table.SchemaOwner, tableName);
var databaseColumns = columnLoader.Load(tableName, schemaName);
table.Columns.AddRange(databaseColumns);
columnDescriptions.AddDescriptions(table);
var pkConstraints = constraintLoader.Load(tableName, schemaName, ConstraintType.PrimaryKey);
PrimaryKeyLogic.AddPrimaryKey(table, pkConstraints);
var fks = constraintLoader.Load(tableName, schemaName, ConstraintType.ForeignKey);
table.AddConstraints(fks);
table.AddConstraints(constraintLoader.Load(tableName, schemaName, ConstraintType.UniqueKey));
table.AddConstraints(constraintLoader.Load(tableName, schemaName, ConstraintType.Check));
table.AddConstraints(constraintLoader.Load(tableName, schemaName, ConstraintType.Default));
indexLoader.AddIndexes(table);
SchemaConstraintConverter.AddIdentity(ids, table);
SchemaConstraintConverter.AddComputed(computeds, table);
table.Triggers.Clear();
table.Triggers.AddRange(triggerConverter.Triggers(tableName));
_schemaReader.PostProcessing(table);
}
return(tables);
}