//RenameSpecificObject
public static void RenameObject(this IAlterProcessor proc, DatabaseObjectInfo obj, DbDiffOptions opts, NameWithSchema newName)
{
bool renameOk = false;
//var dom = obj as IDomainStructure;
//if (dom != null)
//{
// renameOk = DbDiffTool.GenerateRename(dom.FullName, newName,
// (old, sch) => proc.ChangeDomainSchema(old, sch),
// (old, nam) => proc.RenameDomain(old, nam),
// proc.AlterCaps.ChangeTableSchema, proc.AlterCaps.RenameDomain, opts);
//}
var tbl = obj as TableInfo;
if (tbl != null)
{
renameOk = DbDiffTool.GenerateRename(tbl.FullName, newName,
(old, sch) => proc.ChangeTableSchema(new TableInfo(null)
{
FullName = old
}, sch),
(old, nam) => proc.RenameTable(new TableInfo(null)
{
FullName = old
}, nam),
proc.AlterCaps.ChangeTableSchema, proc.AlterCaps.RenameTable, opts);
}
var col = obj as ColumnInfo;
if (col != null)
{
if (proc.AlterCaps.RenameColumn)
{
proc.RenameColumn(col, newName.Name);
renameOk = true;
}
}
var cnt = obj as ConstraintInfo;
if (cnt != null)
{
if (proc.AlterCaps.RenameConstraint)
{
proc.RenameConstraint(cnt, newName.Name);
renameOk = true;
}
}
var spec = obj as SpecificObjectInfo;
if (spec != null)
{
renameOk = DbDiffTool.GenerateRenameSpecificObject(spec, newName,
(old, sch) => proc.ChangeSpecificObjectSchema(old, sch),
(old, nam) => proc.RenameSpecificObject(old, nam),
proc.AlterCaps.GetSpecificObjectCaps(spec.ObjectType).ChangeSchema, proc.AlterCaps.GetSpecificObjectCaps(spec.ObjectType).Rename, opts);
}
if (!renameOk)
{
throw new AlterNotPossibleError();
}
}
public static bool GenerateRenameSpecificObject(SpecificObjectInfo oldObj, NameWithSchema newName, Action <SpecificObjectInfo, string> changeSchema, Action <SpecificObjectInfo, string> rename, bool allowChangeSchema, bool allowRename, DbDiffOptions opts)
{
newName = GenerateNewName(oldObj.FullName, newName, opts);
if (DbDiffTool.EqualFullNames(oldObj.FullName, newName, opts))
{
return(true);
}
if (!EqualSchemas(oldObj.FullName.Schema, newName.Schema, opts) && !allowChangeSchema)
{
return(false);
}
if (oldObj.FullName.Name != newName.Name && !allowRename)
{
return(false);
}
if (!EqualSchemas(oldObj.FullName.Schema, newName.Schema, opts))
{
changeSchema(oldObj, newName.Schema);
}
if (oldObj.FullName.Name != newName.Name)
{
var tmpo = oldObj.CloneSpecificObject();
tmpo.FullName = new NameWithSchema(newName.Schema, oldObj.FullName.Name);
rename(tmpo, newName.Name);
}
return(true);
}
public static bool GenerateRename(NameWithSchema oldName, NameWithSchema newName, Action <NameWithSchema, string> changeSchema, Action <NameWithSchema, string> rename, bool allowChangeSchema, bool allowRename, DbDiffOptions opts)
{
newName = GenerateNewName(oldName, newName, opts);
if (DbDiffTool.EqualFullNames(oldName, newName, opts))
{
return(true);
}
if (!EqualSchemas(oldName.Schema, newName.Schema, opts) && !allowChangeSchema)
{
return(false);
}
if (oldName.Name != newName.Name && !allowRename)
{
return(false);
}
if (!EqualSchemas(oldName.Schema, newName.Schema, opts))
{
changeSchema(oldName, newName.Schema);
}
if (oldName.Name != newName.Name)
{
rename(new NameWithSchema(newName.Schema, oldName.Name), newName.Name);
}
return(true);
}
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);
}
private void PairTables()
{
foreach (var tsrc in _src.Tables)
{
if (IsPaired(tsrc))
{
continue;
}
foreach (var tdst in _dst.Tables)
{
if (DbDiffTool.EqualFullNames(tsrc.FullName, tdst.FullName, _options) && !IsPaired(tdst))
{
PairObjects(tsrc, tdst);
break;
}
}
//TableStructure tdst = m_dst.FindTable(tsrc.FullName);
//if (tdst != null) PairObjects(tsrc, tdst);
}
if (_options.AllowPairRenamedTables)
{
// snazime se tabulky sparovat na zaklade stejnych jmen VSECH sloupcu
foreach (var tsrc in _src.Tables)
{
if (IsPaired(tsrc))
{
continue;
}
foreach (var tdst in _dst.Tables)
{
if (DbDiffTool.EqualColumnNames(tsrc, tdst) && !IsPaired(tdst))
{
PairObjects(tsrc, tdst);
break;
}
}
}
}
foreach (var tsrc in _src.Tables)
{
var tdst = FindPair(tsrc);
if (tdst != null)
{
PairTableContent(tsrc, tdst);
}
}
}
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>>();
if (caps.DropConstraint)
{
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.ColumnByName(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));
}
}
}
}
}
//private void PairDomains()
//{
// foreach (DomainStructure dsrc in m_src.Domains)
// {
// if (IsPaired(dsrc)) continue;
// foreach (DomainStructure ddst in m_dst.Domains)
// {
// if (DbDiffTool.EqualFullNames(dsrc.FullName, ddst.FullName, m_options))
// {
// if (!IsPaired(ddst)) PairObjects(dsrc, ddst);
// }
// }
// }
//}
//private void PairViews()
//{
// foreach (var osrc in m_src.Views)
// {
// if (IsPaired(osrc)) continue;
// foreach (SpecificObjectStructure odst in m_dst.Views)
// {
// if (odst.ObjectType == osrc.ObjectType && DbDiffTool.EqualFullNames(osrc.ObjectName, odst.ObjectName, m_options))
// {
// if (!IsPaired(odst)) PairObjects(osrc, odst);
// }
// }
// }
//}
private void PairSpecificObjects()
{
foreach (var osrc in _src.GetAllSpecificObjects())
{
if (IsPaired(osrc))
{
continue;
}
foreach (var odst in _dst.GetAllSpecificObjects())
{
if (odst.ObjectType == osrc.ObjectType && DbDiffTool.EqualFullNames(osrc.FullName, odst.FullName, _options))
{
if (!IsPaired(odst))
{
PairObjects(osrc, odst);
}
}
}
}
}
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 static bool EqualsColumns(ColumnInfo a, ColumnInfo b, bool checkName, bool checkDefault, DbDiffOptions opts, DbObjectPairing pairing)
{
if (checkName && !DbDiffTool.EqualNames(a.Name, b.Name, opts))
{
opts.DiffLogger.Trace("Column, different name: {0}; {1}", a, b);
return(false);
}
//if (!DbDiffTool.EqualFullNames(a.Domain, b.Domain, opts))
//{
// opts.DiffLogger.Trace("Column {0}, {1}: different domain: {2}; {3}", a, b, a.Domain, b.Domain);
// return false;
//}
if (a.ComputedExpression != b.ComputedExpression)
{
opts.DiffLogger.Trace("Column {0}, {1}: different computed expression: {2}; {3}", a, b, a.ComputedExpression, b.ComputedExpression);
return(false);
}
if (a.ComputedExpression != null)
{
return(true);
}
if (checkDefault)
{
if (a.DefaultValue == null)
{
if (a.DefaultValue != b.DefaultValue)
{
opts.DiffLogger.Trace("Column {0}, {1}: different default values: {2}; {3}", a, b, a.DefaultValue, b.DefaultValue);
return(false);
}
}
else
{
if (!a.DefaultValue.Equals(b.DefaultValue))
{
opts.DiffLogger.Trace("Column {0}, {1}: different default values: {2}; {3}", a, b, a.DefaultValue, b.DefaultValue);
return(false);
}
}
if (a.DefaultConstraint != b.DefaultConstraint)
{
opts.DiffLogger.Trace("Column {0}, {1}: different default constraint names: {2}; {3}", a, b, a.DefaultConstraint, b.DefaultConstraint);
return(false);
}
}
if (a.NotNull != b.NotNull)
{
opts.DiffLogger.Trace("Column {0}, {1}: different nullable: {2}; {3}", a, b, a.NotNull, b.NotNull);
return(false);
}
if (a.AutoIncrement != b.AutoIncrement)
{
opts.DiffLogger.Trace("Column {0}, {1}: different autoincrement: {2}; {3}", a, b, a.AutoIncrement, b.AutoIncrement);
return(false);
}
if (a.IsSparse != b.IsSparse)
{
opts.DiffLogger.Trace("Column {0}, {1}: different is_sparse: {2}; {3}", a, b, a.IsSparse, b.IsSparse);
return(false);
}
if (!EqualTypes(a, b, opts))
{
return(false);
}
//var btype = b.DataType;
//var atype = a.DataType;
//if (pairing != null && pairing.Target != null && pairing.Source.Dialect != null)
//{
// btype = pairing.Source.Dialect.MigrateDataType(b, btype, pairing.Source.Dialect.GetDefaultMigrationProfile(), null);
// btype = pairing.Source.Dialect.GenericTypeToSpecific(btype).ToGenericType();
// // normalize type
// atype = pairing.Source.Dialect.GenericTypeToSpecific(atype).ToGenericType();
//}
//if (!EqualTypes(atype, btype, opts))
//{
// opts.DiffLogger.Trace("Column {0}, {1}: different types: {2}; {3}", a, b, a.DataType, b.DataType);
// return false;
//}
//if (!opts.IgnoreColumnCollation && a.Collation != b.Collation)
//{
// opts.DiffLogger.Trace("Column {0}, {1}: different collations: {2}; {3}", a, b, a.Collation, b.Collation);
// return false;
//}
//if (!opts.IgnoreColumnCharacterSet && a.CharacterSet != b.CharacterSet)
//{
// opts.DiffLogger.Trace("Column {0}, {1}: different character sets: {2}; {3}", a, b, a.CharacterSet, b.CharacterSet);
// return false;
//}
return(true);
}
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();
}
public void RecreateTable(TableInfo src, TableInfo dst)
{
DbDiffTool.DecomposeAlterTable(this, src, dst, new DbDiffOptions());
}
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));
//}
}
