mysql: sized blob data type moved to `MySqlType` & upstream `StringLen`

[billy1624]

PR Info

• Dependents:
  • https://github.com/SeaQL/sea-schema/pull/122

Breaking Changes

• [x] MySQL blob types moved to sea_query::extension::mysql::MySqlType

  assert_eq!(
  Table::create()
      .table(BinaryType::Table)
      .col(ColumnDef::new(BinaryType::BinaryLen).binary(32))
      .col(ColumnDef::new(BinaryType::Binary).custom(MySqlType::Blob))
      .col(ColumnDef::new(BinaryType::TinyBlob).custom(MySqlType::TinyBlob))
      .col(ColumnDef::new(BinaryType::MediumBlob).custom(MySqlType::MediumBlob))
      .col(ColumnDef::new(BinaryType::LongBlob).custom(MySqlType::LongBlob))
      .to_string(MysqlQueryBuilder),
  [
      "CREATE TABLE `binary_type` (",
      "`binlen` binary(32),",
      "`bin` blob,",
      "`tb` tinyblob,",
      "`mb` mediumblob,",
      "`lb` longblob",
      ")",
  ]
  .join(" ")
  );