public void Execute(ICollection <DatabaseStoredProcedure> baseProcedures, ICollection <DatabaseStoredProcedure> compareProcedures)
{
bool first = false;
//find new sprocs (in compare, but not in base)
foreach (var procedure in compareProcedures)
{
var name = procedure.Name;
var schema = procedure.SchemaOwner;
var match = baseProcedures.FirstOrDefault(t => t.Name == name && t.SchemaOwner == schema);
if (match != null)
{
continue;
}
var script = string.Empty;
if (!first)
{
first = true;
//CREATE PROCEDURE cannot be combined with other statements in a batch,
//so be preceeded by and terminate with a "GO" (sqlServer) or "/" (Oracle)
if (_results.Count > 0)
{
script += _writer.RunStatements() + Environment.NewLine;
}
}
script += "-- NEW STORED PROCEDURE " + procedure.Name + Environment.NewLine +
_writer.AddProcedure(procedure);
CreateResult(ResultType.Add, procedure, script);
}
//find dropped and existing sprocs
foreach (var procedure in baseProcedures)
{
var name = procedure.Name;
var schema = procedure.SchemaOwner;
var match = compareProcedures.FirstOrDefault(t => t.Name == name && t.SchemaOwner == schema);
if (match == null)
{
CreateResult(ResultType.Delete, procedure,
"-- DROP STORED PROCEDURE " + procedure.Name + Environment.NewLine +
_writer.DropProcedure(procedure));
continue;
}
//sproc may or may not have been changed
if (procedure.Sql == match.Sql)
{
continue; //the same
}
//a sanitized comparison
if (_writer.CompareProcedure(procedure.Sql, match.Sql))
{
continue;
}
//in Oracle could be a CREATE OR REPLACE
CreateResult(ResultType.Change, procedure,
"-- ALTER STORED PROCEDURE " + procedure.Name + Environment.NewLine +
_writer.DropProcedure(procedure) + Environment.NewLine +
_writer.AddProcedure(match));
}
}