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(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(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());
}