private string GenerateSqlStatementConcrete(HistoryOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
foreach (DbModificationCommandTree commandTree in migrationOperation.CommandTrees)
{
List <DbParameter> parameters;
// Take care because here we have several queries so we can't use parameters...
switch (commandTree.CommandTreeKind)
{
case DbCommandTreeKind.Insert:
ddlBuilder.AppendSql(DB2DmlBuilder.GenerateInsertSql((DbInsertCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Delete:
ddlBuilder.AppendSql(DB2DmlBuilder.GenerateDeleteSql((DbDeleteCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Update:
ddlBuilder.AppendSql(DB2DmlBuilder.GenerateUpdateSql((DbUpdateCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Function:
case DbCommandTreeKind.Query:
default:
throw new InvalidOperationException(string.Format("Command tree of type {0} not supported in migration of history operations", commandTree.CommandTreeKind));
}
ddlBuilder.AppendSql(BATCHTERMINATOR);
}
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropPrimaryKeyOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" DROP PRIMARY KEY ");
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropForeignKeyOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.PrincipalTable);
ddlBuilder.AppendSql(" DROP FOREIGN KEY ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(RenameTableOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("RENAME TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
ddlBuilder.AppendSql(" TO ");
ddlBuilder.AppendIdentifier(migrationOperation.NewName);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropColumnOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" DROP COLUMN ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AddPrimaryKeyOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" ADD CONSTRAINT ");
ddlBuilder.AppendIdentifier(migrationOperation.Name.Replace("dbo.", ""));
ddlBuilder.AppendSql(" PRIMARY KEY (");
ddlBuilder.AppendIdentifierList(migrationOperation.Columns);
ddlBuilder.AppendSql(")");
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AddForeignKeyOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.DependentTable);
ddlBuilder.AppendSql(" ADD CONSTRAINT ");
ddlBuilder.AppendIdentifier(migrationOperation.Name.Replace("dbo.", ""));
ddlBuilder.AppendSql(" FOREIGN KEY (");
ddlBuilder.AppendIdentifierList(migrationOperation.DependentColumns);
ddlBuilder.AppendSql(")");
ddlBuilder.AppendSql(" REFERENCES ");
ddlBuilder.AppendIdentifier(migrationOperation.PrincipalTable);
ddlBuilder.AppendSql(" (");
ddlBuilder.AppendIdentifierList(migrationOperation.PrincipalColumns);
ddlBuilder.AppendSql(")");
if (migrationOperation.CascadeDelete)
{
ddlBuilder.AppendSql(" ON DELETE CASCADE ");
}
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropIndexOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("DROP INDEX ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AlterColumnOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" ALTER COLUMN ");
ColumnModel column = migrationOperation.Column;
ddlBuilder.AppendIdentifier(column.Name);
ddlBuilder.AppendSql(" ");
TypeUsage storeType = ProviderManifest.GetStoreType(column.TypeUsage);
ddlBuilder.AppendType(storeType, column.IsNullable ?? true, column.IsIdentity);
ddlBuilder.AppendNewLine();
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(CreateTableOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("CREATE TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
ddlBuilder.AppendSql(" (");
ddlBuilder.AppendNewLine();
bool first = true;
foreach (ColumnModel column in migrationOperation.Columns)
{
if (first)
{
first = false;
}
else
{
ddlBuilder.AppendSql(",");
}
ddlBuilder.AppendSql(" ");
ddlBuilder.AppendIdentifier(column.Name);
ddlBuilder.AppendSql(" ");
TypeUsage storeTypeUsage = ProviderManifest.GetStoreType(column.TypeUsage);
ddlBuilder.AppendType(storeTypeUsage, column.IsNullable ?? true, column.IsIdentity);
ddlBuilder.AppendNewLine();
}
ddlBuilder.AppendSql(")");
if (migrationOperation.PrimaryKey != null)
{
ddlBuilder.AppendSql(BATCHTERMINATOR);
ddlBuilder.AppendSql(GenerateSqlStatementConcrete(migrationOperation.PrimaryKey));
}
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(CreateIndexOperation migrationOperation)
{
DB2DdlBuilder ddlBuilder = new DB2DdlBuilder();
ddlBuilder.AppendSql("CREATE ");
if (migrationOperation.IsUnique)
{
ddlBuilder.AppendSql("UNIQUE ");
}
ddlBuilder.AppendSql("INDEX ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
ddlBuilder.AppendSql(" ON ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" (");
ddlBuilder.AppendIdentifierList(migrationOperation.Columns);
ddlBuilder.AppendSql(")");
return(ddlBuilder.GetCommandText());
}