public static bool GenerateRenameSpecificObject(ISpecificObjectStructure oldObj, NameWithSchema newName, Action <ISpecificObjectStructure, string> changeSchema, Action <ISpecificObjectStructure, string> rename, bool allowChangeSchema, bool allowRename, DbDiffOptions opts)
{
newName = GenerateNewName(oldObj.ObjectName, newName, opts);
if (DbDiffTool.EqualFullNames(oldObj.ObjectName, newName, opts))
{
return(true);
}
if (!EqualSchemas(oldObj.ObjectName.Schema, newName.Schema, opts) && !allowChangeSchema)
{
return(false);
}
if (oldObj.ObjectName.Name != newName.Name && !allowRename)
{
return(false);
}
if (!EqualSchemas(oldObj.ObjectName.Schema, newName.Schema, opts))
{
changeSchema(oldObj, newName.Schema);
}
if (oldObj.ObjectName.Name != newName.Name)
{
var tmpo = (SpecificObjectStructure)oldObj.CloneObject();
tmpo.ObjectName = new NameWithSchema(newName.Schema, oldObj.ObjectName.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 RenameObject(this IAlterProcessor proc, IAbstractObjectStructure 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 ITableStructure;
if (tbl != null)
{
renameOk = DbDiffTool.GenerateRename(tbl.FullName, newName,
(old, sch) => proc.ChangeTableSchema(old, sch),
(old, nam) => proc.RenameTable(old, nam),
proc.AlterCaps.ChangeTableSchema, proc.AlterCaps.RenameTable, opts);
}
var col = obj as IColumnStructure;
if (col != null)
{
if (proc.AlterCaps.RenameColumn)
{
proc.RenameColumn(col, newName.Name);
renameOk = true;
}
}
var cnt = obj as IConstraint;
if (cnt != null)
{
if (proc.AlterCaps.RenameConstraint)
{
proc.RenameConstraint(cnt, newName.Name);
renameOk = true;
}
}
var spec = obj as ISpecificObjectStructure;
if (spec != null)
{
renameOk = DbDiffTool.GenerateRenameSpecificObject(spec, newName,
(old, sch) => proc.ChangeSpecificObjectSchema(old, sch),
(old, nam) => proc.RenameSpecificObject(old, nam),
proc.AlterCaps[spec.ObjectType].ChangeSchema, proc.AlterCaps[spec.ObjectType].Rename, opts);
}
if (!renameOk)
{
throw new AlterNotPossibleError();
}
}
public static void AlterDatabase(this IAlterProcessor proc, IDatabaseStructure src, IDatabaseStructure dst, DbDiffOptions opts, IDatabaseSource targetDb, Action <AlterPlan> extendPlan)
{
AlterPlan plan = new AlterPlan();
DbDiffTool.AlterDatabase(plan, src, dst, opts);
if (extendPlan != null)
{
extendPlan(plan);
}
plan.Transform(proc.AlterCaps, opts, targetDb);
var run = plan.CreateRunner();
run.Run(proc, opts);
}
public override void AddLogicalDependencies(AlterProcessorCaps caps, DbDiffOptions opts, List <AlterOperation> before, List <AlterOperation> after, AlterPlan plan, IDatabaseSource targetDb)
{
ParentTable.LoadStructure(TableStructureMembers.ReferencedFrom, targetDb);
var oldcol = OldObject as ColumnStructure;
var newcol = NewObject as ColumnStructure;
List <IForeignKey> recreateFks = new List <IForeignKey>();
var changeCols = new List <Tuple <IColumnStructure, IColumnStructure> >();
foreach (ForeignKey fk in ParentTable.GetReferencedFrom())
{
for (int i = 0; i < fk.PrimaryKeyColumns.Count; i++)
{
if (fk.PrimaryKeyColumns[i].ColumnName == oldcol.ColumnName)
{
//plan.RecreateObject(fk, null);
TableStructure table = (TableStructure)fk.Table;
table.LoadStructure(TableStructureMembers.Columns, targetDb);
ColumnStructure othercol = table.Columns[fk.Columns[i].ColumnName] as ColumnStructure;
// compare types with ignoring autoincrement flag
// HACK: ignore specific attributes
var opts2 = opts.Clone();
opts2.IgnoreSpecificData = true;
DbTypeBase dt1 = othercol.DataType.Clone(), dt2 = newcol.DataType.Clone();
dt1.SetAutoincrement(false);
dt2.SetAutoincrement(false);
if (!DbDiffTool.EqualTypes(dt1, dt2, opts2))
{
after.Add(new AlterOperation_ChangeColumn
{
ParentTable = table,
OldObject = othercol,
NewObject = new ColumnStructure(othercol)
{
DataType = dt2
}
});
}
opts.AlterLogger.Warning(Texts.Get("s_changed_referenced_column$table$column", "table", fk.Table.FullName, "column", othercol.ColumnName));
}
}
}
}
public static bool EqualDomains(IDomainStructure src, IDomainStructure dst, DbDiffOptions opts, bool testName)
{
if (testName && !DbDiffTool.EqualFullNames(src.FullName, dst.FullName, opts))
{
opts.DiffLogger.Trace("Domain: different names {0}; {1}", src.FullName, dst.FullName);
return(false);
}
if (!EqualTypes(src.DataType, dst.DataType, opts))
{
opts.DiffLogger.Trace("Domain {0}, {1}: different types {2}; {3}", src.FullName, dst.FullName, src.DataType, dst.DataType);
return(false);
}
if (src.IsNullable != dst.IsNullable)
{
opts.DiffLogger.Trace("Domain {0}, {1}: different nullable {2}; {3}", src.FullName, dst.FullName, src.IsNullable, dst.IsNullable);
return(false);
}
return(true);
}
public void RecreateTable(ITableStructure src, ITableStructure dst)
{
DbDiffTool.DecomposeAlterTable(this, src, dst, new DbDiffOptions());
}
public static bool EqualsColumns(IColumnStructure a, IColumnStructure b, bool checkName, DbDiffOptions opts, DbObjectPairing pairing)
{
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 (checkName && !DbDiffTool.EqualNames(a.ColumnName, b.ColumnName, 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.IsNullable != b.IsNullable)
{
opts.DiffLogger.Trace("Column {0}, {1}: different nullable: {2}; {3}", a, b, a.IsNullable, b.IsNullable);
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 virtual void CreateDatabaseObjects(IDatabaseStructure db, CreateDatabaseObjectsProps props)
{
if (Dialect.DialectCaps.Domains && props.CreateDomains)
{
foreach (var domain in db.Domains)
{
try
{
CreateDomain(domain);
}
catch (Exception err)
{
ProgressInfo.RaiseErrorEx(err, "DAE-00244 " + Texts.Get("s_error_creating$domain", "domain", domain.FullName), "DOMAIN");
}
}
}
if (Dialect.DialectCaps.MultipleSchema && props.CreateSchemata)
{
foreach (var schema in db.Schemata)
{
try
{
CreateSchema(schema);
}
catch (Exception err)
{
ProgressInfo.RaiseErrorEx(err, "DAE-00245 " + Texts.Get("s_error_creating$schema", "schema", schema.SchemaName), "SCHEMA");
}
}
}
var refsToCreate = new List <IForeignKey>();
if (props.CreateTables)
{
foreach (var tbl in db.Tables)
{
ITableStructure tbl2 = tbl;
if (!Dialect.DialectCaps.UncheckedReferences)
{
var newtbl = new TableStructure(tbl);
foreach (ForeignKey fk in new List <ForeignKey>(newtbl.GetConstraints <ForeignKey>()))
{
newtbl._Constraints.Remove(fk);
fk.SetDummyTable(tbl.FullName);
refsToCreate.Add(fk);
}
tbl2 = newtbl;
}
Logging.Debug("Creating table {0}", tbl2.FullName);
SetCurWork(String.Format("{0} {1}", Texts.Get("s_creating_table"), tbl2.FullName));
if (m_props.DumpWriterConfig != null && m_props.DumpWriterConfig.IncludeDropStatement)
{
DropTable(tbl2, DropFlags.TestIfExist);
}
try
{
CreateTable(tbl2);
}
catch (Exception err)
{
ProgressInfo.RaiseErrorEx(err, "DAE-00246 " + Texts.Get("s_error_creating$table", "table", tbl2.FullName), "TABLE");
}
}
}
if (props.CreateFixedData)
{
foreach (var tbl in db.Tables)
{
this.UpdateData(tbl, DbDiffTool.AlterFixedData(null, tbl.FixedData, null, new DbDiffOptions()), null);
}
}
foreach (var fk in refsToCreate)
{
CreateConstraint(fk);
}
if (props.CreateSpecificObjects)
{
foreach (var obj in db.GetSpecObjectsOrderByDependency())
{
SetCurWork(String.Format("{0} {1}", Texts.Get("s_creating_object"), obj.ObjectName));
if (m_props.DumpWriterConfig != null && m_props.DumpWriterConfig.IncludeDropStatement)
{
DropSpecificObject(obj, DropFlags.TestIfExist);
}
try
{
CreateSpecificObject(obj);
}
catch (Exception err)
{
if (ProgressInfo != null)
{
ProgressInfo.LogMessage("s_create_object", LogLevel.Error, Texts.Get("s_error_creating_object$name", "name", obj.ObjectName) + ": " + err.Message);
}
Logging.Error("Error creating object:" + err.ToString());
}
}
}
}
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 (ITableStructure tsrc in new List <ITableStructure>(src.Tables))
{
ITableStructure tdst = pairing.FindPair(tsrc);
if (tdst == null)
{
plan.DropTable(tsrc);
}
}
// change tables
foreach (ITableStructure tsrc in new List <ITableStructure>(src.Tables))
{
ITableStructure 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 (ITableStructure tdst in dst.Tables)
{
if (!pairing.IsPaired(tdst))
{
var script = DbDiffTool.AlterFixedData(null, tdst.FixedData, null, opts);
plan.CreateTable(tdst, script);
//if (script != null) plan.UpdateData(tdst.FullName, script);
}
}
// specific objects
foreach (ISpecificObjectStructure osrc in src.GetAllSpecificObjects())
{
var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(osrc.ObjectType);
if (!repr.UseInSynchronization)
{
continue;
}
ISpecificObjectStructure 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 (ISpecificObjectStructure 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 static void AlterTable(AlterPlan plan, ITableStructure oldTable, ITableStructure newTable, DbDiffOptions opts, DbObjectPairing pairing)
{
//plan.BeginFixedOrder();
if (oldTable == null)
{
throw new ArgumentNullException("oldTable", "DAE-00240 oldTable is null");
}
if (newTable == null)
{
throw new ArgumentNullException("newTable", "DAE-00241 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 IPrimaryKey)
{
// primary keys for one table are equal
cindex = oldTable.Constraints.IndexOfIf(c => c is IPrimaryKey);
}
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 (IConstraint cnt in oldTable.Constraints)
{
if (constraintMap.IndexOf(index) < 0)
{
plan.DropConstraint(cnt);
}
index++;
}
// drop columns
index = 0;
foreach (IColumnStructure 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 (IColumnStructure col in newTable.Columns)
{
if (columnMap[index] < 0)
{
ColumnStructure newcol = new ColumnStructure(col);
plan.CreateColumn(oldTable, newcol);
if (dataOps != null)
{
dataOps.CreateColumn(newcol);
}
}
index++;
}
// change columns
index = 0;
foreach (IColumnStructure col in newTable.Columns)
{
if (columnMap[index] >= 0)
{
IColumnStructure src = oldTable.Columns[columnMap[index]];
if (!DbDiffTool.EqualsColumns(src, col, true, opts, pairing))
{
using (var ctx = new DbDiffChangeLoggerContext(opts, NopLogger.Instance, DbDiffOptsLogger.DiffLogger))
{
if (DbDiffTool.EqualsColumns(src, col, false, opts, pairing))
{
plan.RenameColumn(src, col.ColumnName);
}
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 (IConstraint cnt in newTable.Constraints)
{
if (constraintMap[index] >= 0)
{
IConstraint src = oldTable.Constraints[constraintMap[index]];
if (DbDiffTool.EqualsConstraints(src, cnt, opts, false, pairing) && src.Name != cnt.Name)
{
if (cnt is IPrimaryKey && (pairing.Source.Dialect.DialectCaps.AnonymousPrimaryKey || pairing.Target.Dialect.DialectCaps.AnonymousPrimaryKey))
{
// do nothing
}
else
{
plan.RenameConstraint(src, cnt.Name);
}
}
else
{
if (!DbDiffTool.EqualsConstraints(src, cnt, opts, true, pairing))
{
plan.ChangeConstraint(src, cnt);
}
}
}
index++;
}
// create constraints
index = 0;
foreach (IConstraint 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.ColumnName)));
}
var alteredOptions = GetTableAlteredOptions(oldTable, newTable, opts);
if (alteredOptions.Count > 0)
{
plan.ChangeTableOptions(oldTable, alteredOptions);
}
//plan.EndFixedOrder();
}
