public static RelationalTypeMapping GetDefaultMapping(
[CanBeNull] this IRelationalTypeMapper typeMapper,
[CanBeNull] object value)
{
return(value == null ||
value == DBNull.Value ||
typeMapper == null
? _nullTypeMapping
: typeMapper.GetDefaultMapping(value.GetType()));
}
protected virtual void Generate(
[NotNull] CreateSequenceOperation operation,
[CanBeNull] IModel model,
[NotNull] SqlBatchBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.Append("CREATE SEQUENCE ")
.Append(Sql.DelimitIdentifier(operation.Name, operation.Schema));
if (operation.ClrType != typeof(long))
{
builder
.Append(" AS ")
.Append(_typeMapper.GetDefaultMapping(operation.ClrType).DefaultTypeName);
}
builder
.Append(" START WITH ")
.Append(Sql.GenerateLiteral(operation.StartValue));
SequenceOptions(operation, model, builder);
}
public virtual void ExecuteSqlCommand([NotNull] string sql, [NotNull] params object[] parameters)
{
var commandParameters = new CommandParameter[parameters.Length];
var substitutions = new object[parameters.Length];
for (var index = 0; index < parameters.Length; index++)
{
var parameterName = ParameterPrefix + "p" + index;
var value = parameters[index];
commandParameters[index] = new CommandParameter(parameterName, value, _typeMapper.GetDefaultMapping(value));
substitutions[index] = parameterName;
}
_statementExecutor.ExecuteNonQuery(
_connection,
_connection.Transaction?.DbTransaction,
new List <SqlBatch> {
new SqlBatch(
string.Format(sql, substitutions),
commandParameters)
});
}