public ExecutionPlan GetExecutionPlan(IEnumerable <IExecutable> executables, IEnumerable <Table> tables)
{
this.tables = tables;
var plan = new ExecutionPlan();
executables = ExecutionPlan.RemoveDataProvidersIfSchema(executables);
var sortedExecutables = DependencyGraph.TopologicalSort(executables);
var passes = DependencyGraph.CreatePasses(sortedExecutables);
int slot = 0;
foreach (var pass in passes)
{
//Add all schema executables to the current slot
foreach (var e in pass.Where(e => e.IsSchema() || e.IsSQLRule()))
{
ExecutionUnit unit = new ExecutionUnit(e);
plan.AddUnit(unit, slot);
}
var dataExes = pass.Where(e => e.IsData()).ToList();
foreach (var table in tables)
{
foreach (var dataE in dataExes)
{
if (((IDataExecutable)dataE).SkipTable(table) == false)
{
plan.AddUnit(new ExecutionUnit(dataE, table), slot);
}
}
slot++;
}
//Add finalizers
dataExes.ForEach(e => plan.AddUnit(new ExecutionUnit(e)
{
Finalize = true
}, slot));
if (plan[slot] != null)
{
slot++;
}
}
return(plan);
}
public ExecutionPlan GetExecutionPlan(IEnumerable <IExecutable> executables, IEnumerable <Table> tables)
{
var plan = new ExecutionPlan();
executables = ExecutionPlan.RemoveDataProvidersIfSchema(executables);
var executablesSorted = DependencyGraph.TopologicalSort(executables);
var passes = DependencyGraph.CreatePasses(executablesSorted);
int slot = 0;
foreach (Pass pass in passes)
{
foreach (var executable in pass)
{
if (executable.IsSchema())
{
plan.AddUnit(new ExecutionUnit(executable), slot);
}
else
{
foreach (var table in tables)
{
if (((IDataExecutable)executable).SkipTable(table))
{
continue;
}
var unit = new ExecutionUnit(executable, table);
plan.AddUnit(unit, slot);
}
}
}
slot++;
//Finalize all data executables in the previous slot
pass.Where(e => e.IsData()).ToList().ForEach(e => plan.AddUnit(new ExecutionUnit(e)
{
Finalize = true
}, slot));
slot++;
}
return(plan);
}
