private void GenerateEntities()
{
_typeRegistry = _dbModel.Driver.TypeRegistry;
var viewPrefix = _dbModel.Config.NamingPolicy.ViewPrefix;
var tablePrefix = _dbModel.Config.NamingPolicy.TablePrefix;
//track uniqueness of type names - we might have trouble if we have 2 tables with the same name in different schemas
var typeNames = new StringSet();
foreach (var table in _dbModel.Tables)
{
if (_config.IgnoreTables.Contains(table.TableName))
{
continue;
}
var module = GetModule(table.Schema);
var entName = DbNameToCsName(table.TableName);
switch (table.Kind)
{
case EntityKind.Table:
if (string.IsNullOrWhiteSpace(tablePrefix) && entName.StartsWith(tablePrefix))
{
entName = entName.Substring(tablePrefix.Length);
}
break;
case EntityKind.View:
if (!string.IsNullOrWhiteSpace(viewPrefix) && entName.StartsWith(viewPrefix))
{
entName = entName.Substring(viewPrefix.Length);
}
break;
}
if (_config.Options.IsSet(DbFirstOptions.ChangeEntityNamesToSingular))
{
entName = StringHelper.Unpluralize(entName);
}
entName = "I" + entName;
if (typeNames.Contains(entName))
{
entName = entName + "_" + table.Schema;
}
var entType = CreateDummyEntityType(entName); //dummy type, just to have unique type instance
typeNames.Add(entName);
// we add only entity types for tables; views are ignored (we do not have queires to create view definitions)
if (table.Kind == EntityKind.Table)
{
module.Entities.Add(entType); // register type in module
}
// Note: we generate entity interfaces for Views, but do not register them as entities
var ent = new EntityInfo(module, entType, table.Kind);
ent.TableName = table.TableName;
table.Entity = ent;
_entityModel.RegisterEntity(ent);
// generate entity members
foreach (var col in table.Columns)
{
var nullable = col.Flags.IsSet(DbColumnFlags.Nullable);
var memberDataType = GetMemberType(col);
var memberName = CheckMemberName(DbNameToCsName(col.ColumnName), ent);
var member = col.Member = new EntityMemberInfo(ent, MemberKind.Column, memberName, memberDataType);
member.ColumnName = col.ColumnName;
// member is added to ent.Members automatically in constructor
if (nullable)
{
member.Flags |= EntityMemberFlags.Nullable; // in case it is not set (for strings)
}
if (col.Flags.IsSet(DbColumnFlags.Identity))
{
member.Flags |= EntityMemberFlags.Identity;
member.AutoValueType = AutoType.Identity;
}
//hack
if (col.TypeInfo.VendorDbType.TypeName == "timestamp")
{
member.AutoValueType = AutoType.RowVersion;
}
member.Size = (int)col.TypeInfo.Size;
member.Scale = col.TypeInfo.Scale;
member.Precision = col.TypeInfo.Precision;
//Check if we need to specify DbType or DbType spec explicitly
bool isMemo = member.Size < 0;
if (isMemo)
{
member.Flags |= EntityMemberFlags.UnlimitedSize;
}
var typeDef = col.TypeInfo.VendorDbType;
var dftTypeDef = _typeRegistry.FindVendorDbTypeInfo(member.DataType, isMemo);
if (typeDef == dftTypeDef)
{
continue; //no need for explicit DbType
}
/*
* bool typeIsDefault = typeDef.ColumnOutType == dataType && typeDef.Flags.IsSet(VendorDbTypeFlags.IsDefaultForClrType);
* if (typeIsDefault)
* continue; //no need for explicit DbType
*/
//DbTypeDef is not default for this member - we need to specify DbType or TypeSpec explicitly
// Let's see if explicit DbType is enough; let's try to search by DbType and check if it brings the same db type
var vendorTypeDef = _typeRegistry.FindVendorDbTypeInfo(col.TypeInfo.VendorDbType.DbType, memberDataType, isMemo);
if (vendorTypeDef == typeDef)
{
member.ExplicitDbType = col.TypeInfo.DbType; //Explicit db type is enough
}
else
{
member.ExplicitDbTypeSpec = col.TypeInfo.SqlTypeSpec;
}
}
} //foreach table
} //method
private void GenerateEntities()
{
_typeRegistry = _dbModel.Driver.TypeRegistry;
var viewPrefix = _dbModel.Config.NamingPolicy.ViewPrefix;
var tablePrefix = _dbModel.Config.NamingPolicy.TablePrefix;
//track uniqueness of type names - we might have trouble if we have 2 tables with the same name in different schemas
var typeNames = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
foreach (var table in _dbModel.Tables) {
if(_config.IgnoreTables.Contains(table.TableName))
continue;
var module = GetModule(table.Schema);
var entName = DbNameToCsName(table.TableName);
switch(table.Kind) {
case EntityKind.Table:
if (string.IsNullOrWhiteSpace(tablePrefix) && entName.StartsWith(tablePrefix))
entName = entName.Substring(tablePrefix.Length);
break;
case EntityKind.View:
if (!string.IsNullOrWhiteSpace(viewPrefix) && entName.StartsWith(viewPrefix))
entName = entName.Substring(viewPrefix.Length);
break;
}
if (_config.Options.IsSet(DbFirstOptions.ChangeEntityNamesToSingular))
entName = StringHelper.Unpluralize(entName);
entName = "I" + entName;
if(typeNames.Contains(entName))
entName = entName + "_" + table.Schema;
var entType = CreateDummyEntityType(entName); //dummy type, just to have unique type instance
typeNames.Add(entName);
// we add only entity types for tables; views are ignored (we do not have queires to create view definitions)
if (table.Kind == EntityKind.Table)
module.Entities.Add(entType); // register type in module
// Note: we generate entity interfaces for Views, but do not register them as entities
var ent = new EntityInfo(module, entType, table.Kind);
ent.TableName = table.TableName;
table.Entity = ent;
_entityModel.RegisterEntity(ent);
// generate entity members
foreach (var col in table.Columns) {
var nullable = col.Flags.IsSet(DbColumnFlags.Nullable);
var memberDataType = GetMemberType(col);
var memberName = CheckMemberName(DbNameToCsName(col.ColumnName), ent);
var member = col.Member = new EntityMemberInfo(ent, MemberKind.Column, memberName, memberDataType);
member.ColumnName = col.ColumnName;
// member is added to ent.Members automatically in constructor
if (nullable)
member.Flags |= EntityMemberFlags.Nullable; // in case it is not set (for strings)
if(col.Flags.IsSet(DbColumnFlags.Identity)) {
member.Flags |= EntityMemberFlags.Identity;
member.AutoValueType = AutoType.Identity;
}
//hack
if (col.TypeInfo.VendorDbType.TypeName == "timestamp")
member.AutoValueType = AutoType.RowVersion;
member.Size = (int)col.TypeInfo.Size;
member.Scale = col.TypeInfo.Scale;
member.Precision = col.TypeInfo.Precision;
//Check if we need to specify DbType or DbType spec explicitly
bool isMemo = member.Size < 0;
if(isMemo)
member.Flags |= EntityMemberFlags.UnlimitedSize;
var typeDef = col.TypeInfo.VendorDbType;
var dftTypeDef = _typeRegistry.FindVendorDbTypeInfo(member.DataType, isMemo);
if(typeDef == dftTypeDef)
continue; //no need for explicit DbType
/*
bool typeIsDefault = typeDef.ColumnOutType == dataType && typeDef.Flags.IsSet(VendorDbTypeFlags.IsDefaultForClrType);
if (typeIsDefault)
continue; //no need for explicit DbType
*/
//DbTypeDef is not default for this member - we need to specify DbType or TypeSpec explicitly
// Let's see if explicit DbType is enough; let's try to search by DbType and check if it brings the same db type
var typeDef2 = _typeRegistry.FindVendorDbTypeInfo(col.TypeInfo.VendorDbType.DbType, memberDataType, isMemo);
if (typeDef2 == typeDef)
member.ExplicitDbType = col.TypeInfo.VendorDbType.DbType; //Explicit db type is enough
else
member.ExplicitDbTypeSpec = col.TypeInfo.SqlTypeSpec;
}
}//foreach table
}
