public TableDiff Compare(Table t)
{
var diff = new TableDiff();
diff.Owner = t.Owner;
diff.Name = t.Name;
//get additions and compare mutual columns
foreach (Column c in Columns.Items)
{
Column c2 = t.Columns.Find(c.Name);
if (c2 == null)
{
diff.ColumnsAdded.Add(c);
}
else
{
//compare mutual columns
ColumnDiff cDiff = c.Compare(c2);
if (cDiff.IsDiff)
{
diff.ColumnsDiff.Add(cDiff);
}
}
}
//get deletions
foreach (Column c in t.Columns.Items.Where(c => Columns.Find(c.Name) == null))
{
diff.ColumnsDropped.Add(c);
}
//get added and compare mutual constraints
foreach (Constraint c in Constraints)
{
Constraint c2 = t.FindConstraint(c.Name);
if (c2 == null)
{
diff.ConstraintsAdded.Add(c);
}
else
{
if (c.Script() != c2.Script())
{
diff.ConstraintsChanged.Add(c);
}
}
}
//get deleted constraints
foreach (Constraint c in t.Constraints.Where(c => FindConstraint(c.Name) == null))
{
diff.ConstraintsDeleted.Add(c);
}
return(diff);
}
public void CanAddCategoryToCategoryForDeletedColumn()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ColumnsDroped.Add(new Column { Type = "text" });
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
report.Categories[0].Entries.Count.Should().Be(1);
report.Categories[0].Entries[0].Categories.Count.Should().Be(1);
}
public void CanAddCategoryToCategoryForChangedConstraint()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ConstraintsChanged.Add(new Constraint("", "", "") { Table = new TableInfo("dbo", "myTable") });
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
report.Categories[0].Entries.Count.Should().Be(1);
report.Categories[0].Entries[0].Categories.Count.Should().Be(1);
}
public void CanAddCategoryToCategoryForChangedColumn()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ColumnsDiff.Add(new ColumnDiff(new Column { Type = "text" }, new Column { Type = "text" }, new CompareConfig()));
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
report.Categories[0].Entries.Count.Should().Be(1);
report.Categories[0].Entries[0].Categories.Count.Should().Be(1);
}
public TableDiff Compare(Table t)
{
var diff = new TableDiff();
diff.Owner = t.Owner;
diff.Name = t.Name;
//get additions and compare mutual columns
foreach (Column c in Columns.Items) {
Column c2 = t.Columns.Find(c.Name);
if (c2 == null) {
diff.ColumnsAdded.Add(c);
} else {
//compare mutual columns
ColumnDiff cDiff = c.Compare(c2);
if (cDiff.IsDiff) {
diff.ColumnsDiff.Add(cDiff);
}
}
}
//get deletions
foreach (Column c in t.Columns.Items.Where(c => Columns.Find(c.Name) == null)) {
diff.ColumnsDropped.Add(c);
}
//get added and compare mutual constraints
foreach (Constraint c in Constraints) {
Constraint c2 = t.FindConstraint(c.Name);
if (c2 == null) {
diff.ConstraintsAdded.Add(c);
} else {
if (c.Script() != c2.Script()) {
diff.ConstraintsChanged.Add(c);
}
}
}
//get deleted constraints
foreach (Constraint c in t.Constraints.Where(c => FindConstraint(c.Name) == null)) {
diff.ConstraintsDeleted.Add(c);
}
return diff;
}
public DatabaseDiff Compare(Database db)
{
var diff = new DatabaseDiff();
diff.Db = db;
//compare database properties
foreach (DbProp p in Props)
{
DbProp p2 = db.FindProp(p.Name);
if (p.Script() != p2.Script())
{
diff.PropsChanged.Add(p);
}
}
//get tables added and changed
foreach (Table t in Tables)
{
Table t2 = db.FindTable(t.Name, t.Owner);
if (t2 == null)
{
diff.TablesAdded.Add(t);
}
else
{
//compare mutual tables
TableDiff tDiff = t.Compare(t2);
if (tDiff.IsDiff)
{
diff.TablesDiff.Add(tDiff);
}
}
}
//get deleted tables
foreach (Table t in db.Tables)
{
if (FindTable(t.Name, t.Owner) == null)
{
diff.TablesDeleted.Add(t);
}
}
//get procs added and changed
foreach (Routine r in Routines)
{
Routine r2 = db.FindRoutine(r.Name, r.Schema);
if (r2 == null)
{
diff.RoutinesAdded.Add(r);
}
else
{
//compare mutual procs
if (r.Text != r2.Text)
{
diff.RoutinesDiff.Add(r);
}
}
}
//get procs deleted
foreach (Routine r in db.Routines)
{
if (FindRoutine(r.Name, r.Schema) == null)
{
diff.RoutinesDeleted.Add(r);
}
}
//get added and compare mutual foreign keys
foreach (ForeignKey fk in ForeignKeys)
{
ForeignKey fk2 = db.FindForeignKey(fk.Name);
if (fk2 == null)
{
diff.ForeignKeysAdded.Add(fk);
}
else
{
if (fk.ScriptCreate() != fk2.ScriptCreate())
{
diff.ForeignKeysDiff.Add(fk);
}
}
}
//get deleted foreign keys
foreach (ForeignKey fk in db.ForeignKeys)
{
if (FindForeignKey(fk.Name) == null)
{
diff.ForeignKeysDeleted.Add(fk);
}
}
return(diff);
}
public void CanAddCorrectEntryForDeletedConstraint()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ConstraintsDeleted.Add(new Constraint("MyConstraint", "", "") { Table = new TableInfo("dbo", "myTable") });
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
DiffEntry entry;
(entry = report.Categories[0].Entries[0].Categories[0].Entries.FirstOrDefault()).Should().NotBeNull();
entry.Name.Should().Be("MyConstraint");
entry.Type.Should().Be(DiffEntryType.Deleted);
}
public void CanAddCorrectEntryForDeletedColumn()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ColumnsDroped.Add(new Column { Name = "MyColumn", Type = "text" });
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
DiffEntry entry;
(entry = report.Categories[0].Entries[0].Categories[0].Entries.FirstOrDefault()).Should().NotBeNull();
entry.Name.Should().Be("MyColumn");
entry.Type.Should().Be(DiffEntryType.Deleted);
}
public void CanAddCorrectEntryForChangedColumn()
{
var diff = new DatabaseDiff();
var tableDiff = new TableDiff();
tableDiff.ColumnsDiff.Add(new ColumnDiff(new Column { Name = "TargetColumn", Type = "text" }, new Column { Name = "SourceColumn", Type = "text" }, new CompareConfig()));
diff.TablesDiff.Add(tableDiff);
var report = diff.GetDiffReport();
DiffEntry entry;
(entry = report.Categories[0].Entries[0].Categories[0].Entries.FirstOrDefault()).Should().NotBeNull();
entry.Name.Should().Be("SourceColumn");
entry.Type.Should().Be(DiffEntryType.Changed);
}
public TableDiff Compare(Table otherTable, CompareConfig compareConfig)
{
var diff = new TableDiff();
diff.Owner = otherTable.Owner;
diff.Name = otherTable.Name;
CompareColumns(otherTable, compareConfig, diff);
CompareConstraints(otherTable, compareConfig, diff);
return diff;
}
private void CompareConstraints(Table otherTable, CompareConfig compareConfig, TableDiff diff)
{
Action<Constraint, Constraint> checkIfConstraintChanged = (c, c2) => {
if(!c.HasSameProperties(c2, compareConfig)) {
diff.ConstraintsChanged.Add(c);
};
};
Func<Constraint, Constraint> getOtherConstraint = (c) => {
var c2 = otherTable.FindConstraint(c.Name);
if(compareConfig.IgnoreConstraintsNameMismatch && c2 == null)
return otherTable.FindSimilarConstraint(c);
return c2;
};
CheckSource(compareConfig.ConstraintsCompareMethod,
Constraints,
getOtherConstraint,
c => diff.ConstraintsAdded.Add(c),
checkIfConstraintChanged);
Func<Constraint, bool> constraintExistsOnlyInTaget = (c) => {
var c2 = FindConstraint(c.Name);
if (compareConfig.IgnoreConstraintsNameMismatch && c2 == null)
c2 = FindSimilarConstraint(c);
return c2 == null;
};
CheckTarget(compareConfig.ConstraintsCompareMethod,
otherTable.Constraints,
constraintExistsOnlyInTaget,
c => diff.ConstraintsDeleted.Add(c));
}
private void CompareColumns(Table otherTable, CompareConfig compareConfig, TableDiff diff)
{
Action<Column, Column> checkIfColumnChanged = (c, c2) => {
//compare mutual columns
ColumnDiff cDiff = c.Compare(c2, compareConfig);
if (cDiff.IsDiff) {
diff.ColumnsDiff.Add(cDiff);
}
};
CheckSource(compareConfig.ColumnsCompareMethod,
Columns,
c => otherTable.Columns.Find(c.Name),
c => diff.ColumnsAdded.Add(c),
checkIfColumnChanged);
CheckTarget(compareConfig.RoutinesCompareMethod,
otherTable.Columns,
c => Columns.Find(c.Name) == null,
c => diff.ColumnsDroped.Add(c));
}
