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);
}
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);
}
}
}
//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);
}
}
}
}
}
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();
}