private void CreateActions()
{
_plan = new AlterPlan(_dst);
DbDiffTool.AlterDatabase(Plan, new DbObjectPairing(_dst, _src), _options);
DbDiffAction lastAlterTable = null;
foreach (var op in _plan.Operations)
{
DbDiffAction act;
if (op.ParentTable != null)
{
// this operation should be added to ALTER TABLE operation
if (lastAlterTable == null || lastAlterTable.ParentTable != op.ParentTable)
{
lastAlterTable = new DbDiffAction(this);
lastAlterTable.ParentTable = op.ParentTable;
lastAlterTable.AfterCreate();
_actions.Elements.Add(lastAlterTable);
}
act = new DbDiffAction(this);
act.Operation = op;
//act.IsChecked = true;
act.AfterCreate();
lastAlterTable.Elements.Add(act);
}
else
{
act = new DbDiffAction(this);
act.Operation = op;
lastAlterTable = null;
act.AfterCreate();
_actions.Elements.Add(act);
}
}
//this.AlterDatabase(m_dst, m_src, m_options);
}
public AlterPlan GetPlanForThis(DatabaseInfo targetDb, Func<DbDiffAction, bool> useActionFunc)
{
var plan = new AlterPlan(m_diff.Target);
GetOperations(plan, useActionFunc);
plan.Transform(m_diff._factory.DumperCaps, m_diff._options);
return plan;
}
private void TestDiff(Action<DatabaseInfo> mangle, string expectedResult)
{
var db1 = new DatabaseInfo();
var t1 = new TableInfo(db1)
{
Name = "t1",
Schema = "dbo",
};
t1.Columns.Add(new ColumnInfo(t1)
{
Name = "c1",
DataType = "int",
NotNull = true,
CommonType = new DbTypeInt(),
});
t1.Columns.Add(new ColumnInfo(t1)
{
Name = "c2",
DataType = "int",
NotNull = true,
CommonType = new DbTypeInt(),
});
var ix = new IndexInfo(t1);
ix.Columns.Add(new ColumnReference { RefColumn = t1.Columns[0] });
ix.ConstraintName = "ix1";
t1.Indexes.Add(ix);
var pk = new PrimaryKeyInfo(t1);
pk.Columns.Add(new ColumnReference {RefColumn = t1.Columns[0]});
pk.ConstraintName = "pk_t1";
t1.PrimaryKey = pk;
db1.Tables.Add(t1);
var v1 = new ViewInfo(db1)
{
Name = "v1",
Schema = "dbo",
CreateSql = "create view v1 as select * from t1",
};
db1.Views.Add(v1);
var db2 = db1.CloneDatabase();
mangle(db2);
var plan = new AlterPlan(db1);
DbDiffTool.AlterDatabase(plan, db1, db2, new DbDiffOptions());
var caps = SqlServerDatabaseFactory.Instance.DumperCaps;
plan.AddLogicalDependencies(caps, new DbDiffOptions());
plan.Transform(caps, new DbDiffOptions());
var runner = plan.CreateRunner();
var sw = new StringWriter();
var sqlo = new SqlOutputStream(SqlServerDatabaseFactory.Instance.CreateDialect(), sw, new SqlFormatProperties());
var dmp = SqlServerDatabaseFactory.Instance.CreateDumper(sqlo, new SqlFormatProperties());
runner.Run(dmp, new DbDiffOptions());
string sql = sw.ToString();
Assert.IsNotNull(sql);
//string expectedTran = TransformSql(expectedResult);
//string sqlTran = TransformSql(sql);
//for(int i = 0; i < expectedResult.Length; i++)
//{
// Assert.AreEqual(expectedTran[i], sqlTran[i]);
//}
Assert.AreEqual(TransformSql(expectedResult), TransformSql(sql));
}
public static AlterPlan PlanAlterTable(TableInfo oldTable, TableInfo newTable, DbDiffOptions opts, DatabaseInfo currentStructure)
{
AlterPlan plan = new AlterPlan(currentStructure);
if (oldTable == null)
{
plan.CreateTable(newTable);
}
else
{
DbObjectPairing pairing = CreateTablePairing(oldTable, newTable);
AlterTable(plan, oldTable, newTable, opts, pairing);
}
return plan;
}
public static void AlterDatabase(AlterPlan plan, DatabaseInfo src, DatabaseInfo dst, DbDiffOptions opts)
{
AlterDatabase(plan, new DbObjectPairing(src, dst), opts);
}
public static void AlterDatabase(AlterPlan plan, DbObjectPairing pairing, DbDiffOptions opts)
{
var src = pairing.Source;
var dst = pairing.Target;
//var caps = proc.AlterCaps;
//// domains
//foreach (IDomainStructure dsrc in src.Domains)
//{
// IDomainStructure ddst = pairing.FindPair(dsrc);
// if (ddst == null)
// {
// plan.DropDomain(dsrc);
// }
// else if (!DbDiffTool.EqualDomains(dsrc, ddst, opts, true))
// {
// if (DbDiffTool.EqualDomains(dsrc, ddst, opts, false))
// {
// plan.RenameDomain(dsrc, ddst.FullName);
// }
// else
// {
// plan.ChangeDomain(dsrc, ddst);
// }
// }
//}
//foreach (IDomainStructure ddst in dst.Domains)
//{
// if (!pairing.IsPaired(ddst)) plan.CreateDomain(ddst);
//}
// drop tables
foreach (TableInfo tsrc in new List<TableInfo>(src.Tables))
{
TableInfo tdst = pairing.FindPair(tsrc);
if (tdst == null)
{
plan.DropTable(tsrc);
}
}
// change tables
foreach (TableInfo tsrc in new List<TableInfo>(src.Tables))
{
TableInfo tdst = pairing.FindPair(tsrc);
if (tdst == null) continue;
if (!DbDiffTool.EqualTables(tsrc, tdst, opts, pairing))
{
DbDiffTool.AlterTable(plan, tsrc, tdst, opts, pairing);
}
//else
//{
// DbDiffTool.AlterFixedData(plan, tsrc, tdst, opts);
//}
}
// create tables
foreach (TableInfo tdst in dst.Tables)
{
if (!pairing.IsPaired(tdst))
{
//var script = DbDiffTool.AlterFixedData(null, tdst.FixedData, null, opts);
plan.CreateTable(tdst);
//if (script != null) plan.UpdateData(tdst.FullName, script);
}
}
// specific objects
foreach (var osrc in src.GetAllSpecificObjects())
{
//var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(osrc.ObjectType);
//if (!repr.UseInSynchronization) continue;
var odst = pairing.FindPair(osrc);
if (odst == null)
{
plan.DropSpecificObject(osrc);
//proc.DropSpecificObject(osrc);
}
else if (!DbDiffTool.EqualsSpecificObjects(osrc, odst, opts))
{
DbDiffTool.AlterSpecificObject(osrc, odst, plan, opts, pairing);
}
}
foreach (var odst in dst.GetAllSpecificObjects())
{
//var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(odst.ObjectType);
//if (!repr.UseInSynchronization) continue;
if (!pairing.IsPaired(odst))
{
plan.CreateSpecificObject(odst);
//proc.CreateSpecificObject(odst);
}
}
//foreach (ISchemaStructure ssrc in src.Schemata)
//{
// ISchemaStructure sdst = pairing.FindPair(ssrc);
// if (sdst == null)
// {
// plan.DropSchema(ssrc);
// }
// else if (ssrc.SchemaName != sdst.SchemaName)
// {
// plan.RenameSchema(ssrc, sdst.SchemaName);
// //if (caps.RenameSchema) proc.RenameSchema(ssrc, sdst.SchemaName);
// //else
// //{
// // proc.DropSchema(ssrc);
// // proc.CreateSchema(sdst);
// //}
// }
//}
//foreach (ISchemaStructure sdst in dst.Schemata)
//{
// if (!pairing.IsPaired(sdst)) plan.CreateSchema(sdst);
//}
//var alteredOptions = GetDatabaseAlteredOptions(src, dst, opts);
//if (alteredOptions.Count > 0) plan.ChangeDatabaseOptions(null, alteredOptions);
//if (opts.SchemaMode == DbDiffSchemaMode.Ignore)
//{
// plan.RunNameTransformation(new SetSchemaNameTransformation(null));
//}
}
public virtual void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
replacement.Clear();
replacement.Add(this);
var table = (TableInfo)NewObject;
foreach (var fk in new List<ForeignKeyInfo>(table.ForeignKeys))
{
table.ForeignKeys.Remove(fk);
fk.SetDummyTable(table.FullName);
replacement.Add(new AlterOperation_CreateConstraint
{
NewObject = fk
});
}
}
public override void AddLogicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> before, List<AlterOperation> after, AlterPlan plan)
{
var oldcol = OldObject as ColumnInfo;
var newcol = NewObject as ColumnInfo;
//var recreateFks = new List<ForeignKeyInfo>();
//var changeCols = new List<Tuple<ColumnInfo, ColumnInfo>>();
foreach (var fk in ParentTable.GetReferences())
{
for (int i = 0; i < fk.RefColumns.Count; i++)
{
if (fk.RefColumns[i].Name == oldcol.Name)
{
//plan.RecreateObject(fk, null);
var table = fk.OwnerTable;
var othercol = table.Columns[fk.Columns[i].Name];
// compare types with ignoring autoincrement flag
// HACK: ignore specific attributes
var opts2 = opts.Clone();
opts2.IgnoreSpecificData = true;
if (!DbDiffTool.EqualTypes(othercol, newcol, opts2))
{
var othercolNewType = othercol.CloneColumn();
CopyDataType(othercolNewType, newcol);
after.Add(new AlterOperation_ChangeColumn
{
ParentTable = table,
OldObject = othercol,
NewObject = othercolNewType,
});
}
opts.AlterLogger.Warning(String.Format("Changed referenced column {0}.{1}", fk.OwnerTable.FullName, othercol.Name));
}
}
}
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
if (!caps.ChangeColumn)
{
TransformToRecreateTable(replacement, plan);
return;
}
if (!caps.ChangeAutoIncrement && ((ColumnInfo)OldObject).AutoIncrement != ((ColumnInfo)NewObject).AutoIncrement)
{
TransformToRecreateTable(replacement, plan);
return;
}
if (!caps.ChangeComputedColumnExpression && ((ColumnInfo)NewObject).ComputedExpression != null)
{
plan.RecreateObject(OldObject, NewObject);
replacement.Clear();
}
}
public static void AlterDatabase(AlterPlan plan, DatabaseInfo src, DatabaseInfo dst, DbDiffOptions opts)
{
AlterDatabase(plan, new DbObjectPairing(src, dst), opts);
}
public static void AlterSpecificObject(SpecificObjectInfo osrc, SpecificObjectInfo odst, AlterPlan plan, DbDiffOptions opts, DbObjectPairing pairing)
{
//bool altered = false;
if (osrc.CreateSql == odst.CreateSql)
{
plan.RenameSpecificObject(osrc, odst.FullName);
//altered = GenerateRename(osrc.ObjectName, odst.ObjectName,
// (old, sch) =>
// {
// var o2 = new SpecificObjectStructure(osrc);
// o2.ObjectName = old;
// proc.ChangeSpecificObjectSchema(o2, sch);
// },
// (old, nam) =>
// {
// var o2 = new SpecificObjectStructure(osrc);
// o2.ObjectName = old;
// proc.RenameSpecificObject(o2, nam);
// }, caps[osrc.ObjectType].ChangeSchema, caps[osrc.ObjectType].Rename, opts);
}
else
{
plan.ChangeSpecificObject(osrc, odst);
}
//if (!altered)
//{
// proc.DropSpecificObject(osrc);
// SpecificObjectStructure odst2 = new SpecificObjectStructure(odst);
// odst2.ObjectName = GenerateNewName(osrc.ObjectName, odst.ObjectName, opts);
// proc.CreateSpecificObject(odst);
//}
}
public static void AlterDatabase(AlterPlan plan, DbObjectPairing pairing, DbDiffOptions opts)
{
var src = pairing.Source;
var dst = pairing.Target;
//var caps = proc.AlterCaps;
//// domains
//foreach (IDomainStructure dsrc in src.Domains)
//{
// IDomainStructure ddst = pairing.FindPair(dsrc);
// if (ddst == null)
// {
// plan.DropDomain(dsrc);
// }
// else if (!DbDiffTool.EqualDomains(dsrc, ddst, opts, true))
// {
// if (DbDiffTool.EqualDomains(dsrc, ddst, opts, false))
// {
// plan.RenameDomain(dsrc, ddst.FullName);
// }
// else
// {
// plan.ChangeDomain(dsrc, ddst);
// }
// }
//}
//foreach (IDomainStructure ddst in dst.Domains)
//{
// if (!pairing.IsPaired(ddst)) plan.CreateDomain(ddst);
//}
// drop tables
foreach (TableInfo tsrc in new List <TableInfo>(src.Tables))
{
TableInfo tdst = pairing.FindPair(tsrc);
if (tdst == null)
{
plan.DropTable(tsrc);
}
}
// change tables
foreach (TableInfo tsrc in new List <TableInfo>(src.Tables))
{
TableInfo tdst = pairing.FindPair(tsrc);
if (tdst == null)
{
continue;
}
if (!DbDiffTool.EqualTables(tsrc, tdst, opts, pairing))
{
DbDiffTool.AlterTable(plan, tsrc, tdst, opts, pairing);
}
//else
//{
// DbDiffTool.AlterFixedData(plan, tsrc, tdst, opts);
//}
}
// create tables
foreach (TableInfo tdst in dst.Tables)
{
if (!pairing.IsPaired(tdst))
{
//var script = DbDiffTool.AlterFixedData(null, tdst.FixedData, null, opts);
plan.CreateTable(tdst);
//if (script != null) plan.UpdateData(tdst.FullName, script);
}
}
// specific objects
foreach (var osrc in src.GetAllSpecificObjects())
{
//var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(osrc.ObjectType);
//if (!repr.UseInSynchronization) continue;
var odst = pairing.FindPair(osrc);
if (odst == null)
{
plan.DropSpecificObject(osrc);
//proc.DropSpecificObject(osrc);
}
else if (!DbDiffTool.EqualsSpecificObjects(osrc, odst, opts))
{
DbDiffTool.AlterSpecificObject(osrc, odst, plan, opts, pairing);
}
}
foreach (var odst in dst.GetAllSpecificObjects())
{
//var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(odst.ObjectType);
//if (!repr.UseInSynchronization) continue;
if (!pairing.IsPaired(odst))
{
plan.CreateSpecificObject(odst);
//proc.CreateSpecificObject(odst);
}
}
//foreach (ISchemaStructure ssrc in src.Schemata)
//{
// ISchemaStructure sdst = pairing.FindPair(ssrc);
// if (sdst == null)
// {
// plan.DropSchema(ssrc);
// }
// else if (ssrc.SchemaName != sdst.SchemaName)
// {
// plan.RenameSchema(ssrc, sdst.SchemaName);
// //if (caps.RenameSchema) proc.RenameSchema(ssrc, sdst.SchemaName);
// //else
// //{
// // proc.DropSchema(ssrc);
// // proc.CreateSchema(sdst);
// //}
// }
//}
//foreach (ISchemaStructure sdst in dst.Schemata)
//{
// if (!pairing.IsPaired(sdst)) plan.CreateSchema(sdst);
//}
//var alteredOptions = GetDatabaseAlteredOptions(src, dst, opts);
//if (alteredOptions.Count > 0) plan.ChangeDatabaseOptions(null, alteredOptions);
//if (opts.SchemaMode == DbDiffSchemaMode.Ignore)
//{
// plan.RunNameTransformation(new SetSchemaNameTransformation(null));
//}
}
public void PlanCreate(AlterPlan plan, DbDiffOptions opts)
{
plan.RecreateObject_Create(RecreatedObject, NewVersion ?? RecreatedObject);
}
public void PlanCreate(AlterPlan plan, DbDiffOptions opts)
{
plan.RecreateObject_Create(RecreatedObject, NewVersion ?? RecreatedObject);
}
//public void RunDrop(IAlterProcessor proc, DbDiffOptions opts)
//{
// proc.DropObject(RecreatedObject);
//}
//public void RunCreate(IAlterProcessor proc, DbDiffOptions opts)
//{
// if (NewVersion != null && NewVersion is TableObjectStructure)
// {
// TableObjectStructure obj2 = NewVersion.CloneObject() as TableObjectStructure;
// obj2.SetDummyTable(((ITableObjectStructure)RecreatedObject).Table.FullName);
// proc.CreateObject(obj2);
// }
// else
// {
// proc.CreateObject(RecreatedObject);
// }
//}
public void PlanDrop(AlterPlan plan, DbDiffOptions opts)
{
plan.RecreateObject_Drop(RecreatedObject);
}
public override void AddPhysicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> before, List<AlterOperation> after, AlterPlan plan)
{
var oldcol = OldObject as ColumnInfo;
if (caps.DepCaps.ChangeColumn_Constraint || caps.DepCaps.ChangeColumn_Index)
{
foreach (var cnt in ParentTable.Constraints)
{
var cc = cnt as ColumnsConstraintInfo;
if (cc == null) continue;
if (cc.Columns.Any(c => c.Name == oldcol.Name))
{
if (
(cc is IndexInfo && caps.DepCaps.ChangeColumn_Index) ||
(!(cc is IndexInfo) && caps.DepCaps.ChangeColumn_Constraint))
{
plan.RecreateObject(cc, null);
}
}
}
}
if (caps.DepCaps.ChangeColumn_Reference)
{
foreach (ForeignKeyInfo fk in ParentTable.GetReferences())
{
for (int i = 0; i < fk.RefColumns.Count; i++)
{
if (fk.RefColumns[i].Name == oldcol.Name)
{
plan.RecreateObject(fk, null);
}
}
}
}
}
public virtual void AddLogicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> before, List<AlterOperation> after, AlterPlan plan)
{
}
public override void AddLogicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> before, List<AlterOperation> after, AlterPlan plan)
{
base.AddLogicalDependencies(caps, opts, before, after, plan);
var pk = OldObject as PrimaryKeyInfo;
if (pk != null)
{
foreach (var col in pk.Columns)
{
foreach (var fk in ParentTable.GetReferences())
{
bool fkdeleted = false;
for (int i = 0; i < fk.RefColumns.Count; i++)
{
if (fk.RefColumns[i].Name == col.Name)
{
fkdeleted = true;
break;
}
}
if (fkdeleted)
{
opts.AlterLogger.Warning(String.Format("Dropped reference {0} on table {1}", fk.ConstraintName, fk.OwnerTable.FullName));
before.Add(new AlterOperation_DropConstraint { ParentTable = ParentTable, OldObject = fk });
}
}
}
}
}
protected void TransformToRecreateTable(List<AlterOperation> replacement, AlterPlan plan)
{
replacement.Clear();
var op = new AlterOperation_RecreateTable { ParentTable = ParentTable };
//ParentTable.LoadStructure(TableStructureMembers.All, targetDb);
foreach (var fk in ParentTable.GetReferences()) plan.RecreateObject(fk, null);
op.AppendOp(this);
replacement.Add(op);
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
var c = GetConstraintCaps(caps, OldObject);
if (!c.Drop) TransformToRecreateTable(replacement, plan);
}
public static void AlterSpecificObject(SpecificObjectInfo osrc, SpecificObjectInfo odst, AlterPlan plan, DbDiffOptions opts, DbObjectPairing pairing)
{
//bool altered = false;
if (osrc.CreateSql == odst.CreateSql)
{
plan.RenameSpecificObject(osrc, odst.FullName);
//altered = GenerateRename(osrc.ObjectName, odst.ObjectName,
// (old, sch) =>
// {
// var o2 = new SpecificObjectStructure(osrc);
// o2.ObjectName = old;
// proc.ChangeSpecificObjectSchema(o2, sch);
// },
// (old, nam) =>
// {
// var o2 = new SpecificObjectStructure(osrc);
// o2.ObjectName = old;
// proc.RenameSpecificObject(o2, nam);
// }, caps[osrc.ObjectType].ChangeSchema, caps[osrc.ObjectType].Rename, opts);
}
else
{
plan.ChangeSpecificObject(osrc, odst);
}
//if (!altered)
//{
// proc.DropSpecificObject(osrc);
// SpecificObjectStructure odst2 = new SpecificObjectStructure(odst);
// odst2.ObjectName = GenerateNewName(osrc.ObjectName, odst.ObjectName, opts);
// proc.CreateSpecificObject(odst);
//}
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
var c = GetConstraintCaps(caps, NewObject);
if (!c.Change)
{
if (c.Create && c.Drop)
{
plan.RecreateObject(OldObject, NewObject);
replacement.Clear();
}
else
{
TransformToRecreateTable(replacement, plan);
}
}
}
/// alters table, decomposes to alter actions; doesn't transform alter plan
/// proc must be able to run all logical operations
public static void DecomposeAlterTable(this IAlterProcessor proc, TableInfo oldTable, TableInfo newTable, DbDiffOptions options)
{
DbObjectPairing pairing = CreateTablePairing(oldTable, newTable);
// decompose to alter actions
AlterPlan plan = new AlterPlan(oldTable.OwnerDatabase);
AlterTable(plan, oldTable, newTable, options, pairing);
var run = plan.CreateRunner();
run.Run(proc, options);
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
var c = GetConstraintCaps(caps, OldObject);
if (!c.Rename)
{
if (c.Create && c.Drop)
{
var newobj = OldObject.CloneObject(null);
((ConstraintInfo)newobj).ConstraintName = NewName.Name;
plan.RecreateObject(OldObject, newobj);
replacement.Clear();
}
else
{
TransformToRecreateTable(replacement, plan);
}
}
}
public static void AlterDatabase(this IAlterProcessor proc, DatabaseInfo src, DatabaseInfo dst, DatabaseInfo targetDb, DbDiffOptions opts, Action<AlterPlan> extendPlan)
{
AlterPlan plan = new AlterPlan(targetDb);
DbDiffTool.AlterDatabase(plan, src, dst, opts);
if (extendPlan != null) extendPlan(plan);
plan.Transform(proc.AlterCaps, opts);
var run = plan.CreateRunner();
run.Run(proc, opts);
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
//if (!caps[OldObject).ObjectType].Change)
//{
plan.RecreateObject(OldObject, NewObject);
replacement.Clear();
//}
}
//private bool m_isChecked;
//public bool IsChecked
//{
// get { return m_isChecked; }
// set
// {
// if (Operation == null && Elements.Count == 0) return;
// m_isChecked = value;
// m_diff.CallChangedAction(this);
// }
//}
public void GetOperations(AlterPlan plan, Func<DbDiffAction, bool> useActionFunc)
{
if (!useActionFunc(this)) return;
if (Operation != null) plan.Operations.Add(Operation);
foreach (var elem in Elements) elem.GetOperations(plan, useActionFunc);
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
if (!caps.PermuteColumns)
{
TransformToRecreateTable(replacement, plan);
}
}
//public void RunDrop(IAlterProcessor proc, DbDiffOptions opts)
//{
// proc.DropObject(RecreatedObject);
//}
//public void RunCreate(IAlterProcessor proc, DbDiffOptions opts)
//{
// if (NewVersion != null && NewVersion is TableObjectStructure)
// {
// TableObjectStructure obj2 = NewVersion.CloneObject() as TableObjectStructure;
// obj2.SetDummyTable(((ITableObjectStructure)RecreatedObject).Table.FullName);
// proc.CreateObject(obj2);
// }
// else
// {
// proc.CreateObject(RecreatedObject);
// }
//}
public void PlanDrop(AlterPlan plan, DbDiffOptions opts)
{
plan.RecreateObject_Drop(RecreatedObject);
}
public override void AddPhysicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> before, List<AlterOperation> after, AlterPlan alterPlan)
{
base.AddPhysicalDependencies(caps, opts, before, after, alterPlan);
//ParentTable.LoadStructure(TableStructureMembers.Columns | TableStructureMembers.PrimaryKey, targetDb);
}
public override void TransformToImplementedOps(AlterProcessorCaps caps, DbDiffOptions opts, List<AlterOperation> replacement, AlterPlan plan)
{
base.TransformToImplementedOps(caps, opts, replacement, plan);
//if (DbName == null) DbName = targetDb.DatabaseName;
}
public static void AlterTable(AlterPlan plan, TableInfo oldTable, TableInfo newTable, DbDiffOptions opts, DbObjectPairing pairing)
{
//plan.BeginFixedOrder();
if (oldTable == null) throw new ArgumentNullException("oldTable", "DBSH-00141 oldTable is null");
if (newTable == null) throw new ArgumentNullException("newTable", "DBSH-00142 newTable is null");
//bool processed;
//proc.AlterTable(oldTable, newTable, out processed);
//if (processed) return;
//InMemoryTableOperation dataOps = null;
//if (oldTable.FixedData != null) dataOps = new InMemoryTableOperation(oldTable.FixedData.Structure);
NameWithSchema newTableName = GenerateNewName(oldTable.FullName, newTable.FullName, opts);
bool permuteColumns = false;
bool insertColumns = false;
//bool renameColumns = false;
List<int> columnMap = new List<int>();
List<int> constraintMap = new List<int>();
foreach (var col in newTable.Columns)
{
columnMap.Add(oldTable.Columns.IndexOfIf(c => c.GroupId == col.GroupId));
}
foreach (var cnt in newTable.Constraints)
{
int cindex = oldTable.Constraints.IndexOfIf(c => c.GroupId == cnt.GroupId);
if (cindex < 0 && cnt is PrimaryKeyInfo)
{
// primary keys for one table are equal
cindex = oldTable.Constraints.IndexOfIf(c => c is PrimaryKeyInfo);
}
constraintMap.Add(cindex);
}
if (!opts.IgnoreColumnOrder)
{
// count alter requests
int lastcol = -1;
foreach (int col in columnMap)
{
if (col < 0) continue;
if (col < lastcol) permuteColumns = true;
lastcol = col;
}
bool wasins = false;
foreach (int col in columnMap)
{
if (col < 0) wasins = true;
if (col >= 0 && wasins) insertColumns = true;
}
}
int index;
// drop constraints
index = 0;
foreach (var cnt in oldTable.Constraints)
{
if (constraintMap.IndexOf(index) < 0) plan.DropConstraint(cnt);
index++;
}
// drop columns
index = 0;
foreach (var col in oldTable.Columns)
{
if (columnMap.IndexOf(index) < 0)
{
plan.DropColumn(col);
//if (dataOps != null) dataOps.DropColumn(col.ColumnName);
}
index++;
}
if (!DbDiffTool.EqualFullNames(oldTable.FullName, newTable.FullName, opts))
{
plan.RenameTable(oldTable, newTable.FullName);
}
// create columns
index = 0;
foreach (var col in newTable.Columns)
{
if (columnMap[index] < 0)
{
var newcol = col.CloneColumn();
plan.CreateColumn(oldTable, newcol);
//if (dataOps != null) dataOps.CreateColumn(newcol);
}
index++;
}
// change columns
index = 0;
foreach (var col in newTable.Columns)
{
if (columnMap[index] >= 0)
{
var src = oldTable.Columns[columnMap[index]];
if (!DbDiffTool.EqualsColumns(src, col, true, true, opts, pairing))
{
using (var ctx = new DbDiffChangeLoggerContext(opts, NopMessageLogger.Instance, DbDiffOptsLogger.DiffLogger))
{
if (DbDiffTool.EqualsColumns(src, col, false, true, opts, pairing))
{
plan.RenameColumn(src, col.Name);
}
else
{
plan.ChangeColumn(src, col);
}
//if (dataOps != null && src.ColumnName != col.ColumnName) dataOps.RenameColumn(src.ColumnName, col.ColumnName);
}
}
}
index++;
}
//// create fixed data script
//var script = AlterFixedData(oldTable.FixedData, newTable.FixedData, dataOps, opts);
//if (script != null) plan.UpdateData(oldTable.FullName, script);
// change constraints
index = 0;
foreach (var cnt in newTable.Constraints)
{
if (constraintMap[index] >= 0)
{
var src = oldTable.Constraints[constraintMap[index]];
if (DbDiffTool.EqualsConstraints(src, cnt, opts, false, pairing) && src.ConstraintName != cnt.ConstraintName)
{
//if (cnt is IPrimaryKey && (pairing.Source.Dialect.DialectCaps.AnonymousPrimaryKey || pairing.Target.Dialect.DialectCaps.AnonymousPrimaryKey))
//{
// // do nothing
//}
//else
//{
plan.RenameConstraint(src, cnt.ConstraintName);
//}
}
else
{
if (!DbDiffTool.EqualsConstraints(src, cnt, opts, true, pairing))
{
plan.ChangeConstraint(src, cnt);
}
}
}
index++;
}
// create constraints
index = 0;
foreach (var cnt in newTable.Constraints)
{
if (constraintMap[index] < 0)
{
plan.CreateConstraint(oldTable, cnt);
}
index++; ;
}
if (permuteColumns || insertColumns)
{
plan.ReorderColumns(oldTable, new List<string>((from c in newTable.Columns select c.Name)));
}
var alteredOptions = GetTableAlteredOptions(oldTable, newTable, opts);
if (alteredOptions.Count > 0) plan.ChangeTableOptions(oldTable, alteredOptions);
//plan.EndFixedOrder();
}