public List <IMigration> Compare(DatabaseDefinition originalDd, DatabaseDefinition newDd)
{
// TODO needs to be ordered
var changes = new List <IMigration>();
// Compare tables
// handle renamed tables - needs parameter / external info
foreach (var tableOriginal in originalDd.GetTables())
{
if (!newDd.Contains(tableOriginal.SchemaAndTableName))
{
var tableDelete = new TableDelete
{
SchemaAndTableName = tableOriginal.SchemaAndTableName
};
changes.Add(tableDelete);
}
}
foreach (var tableNewDd in newDd.GetTables())
{
if (!originalDd.Contains(tableNewDd.SchemaAndTableName))
{
var tableNew = new TableNew(tableNewDd);
changes.Add(tableNew);
}
}
foreach (var tableOriginal in originalDd.GetTables())
{
// not deleted
if (newDd.Contains(tableOriginal.SchemaAndTableName))
{
var tableNew = newDd.Tables[tableOriginal.SchemaAndTableName];
changes.AddRange(CompareColumns(tableOriginal, tableNew));
changes.AddRange(ComparerPrimaryKey.ComparePrimaryKeys(tableOriginal, tableNew));
changes.AddRange(ComparerForeignKey.CompareForeignKeys(tableOriginal, tableNew));
changes.AddRange(ComparerIndex.CompareIndexes(tableOriginal, tableNew));
changes.AddRange(ComparerUniqueConstraint.CompareUniqueConstraints(tableOriginal, tableNew));
}
}
return(changes);
}