fix: parquet cache

[jiacai2050]

Which issue does this PR close?

Closes

Rationale for this change

After #14, parquet reader will read all bytes out, ignoring whether it's already cached.

What changes are included in this PR?

Are there any user-facing changes?

No

How does this change test

UT

[jiacai2050]

Close since this PR has flaw which cannot be avoided in current design.

thread 'tests::read_write_test::test_table_write_read_reverse_after_flush_rocks' panicked at 'Cannot start a runtime from within a runtime. This happens because a function (like `block_on`) attempted to block the current thread while the thread is being used to drive asynchronous tasks.', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.20.1/src/runtime/thread_pool/mod.rs:89:25
stack backtrace:
   0: std::panicking::begin_panic
             at /rustc/d394408fb38c4de61f765a3ed5189d2731a1da91/library/std/src/panicking.rs:616:12
   1: tokio::runtime::enter::enter
             at /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.20.1/src/runtime/enter.rs:40:9
   2: tokio::runtime::thread_pool::ThreadPool::block_on
             at /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.20.1/src/runtime/thread_pool/mod.rs:89:25
   3: tokio::runtime::Runtime::block_on
             at /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.20.1/src/runtime/mod.rs:484:43
   4: common_util::runtime::Runtime::block_on
             at /home/runner/work/ceresdb/ceresdb/common_util/src/runtime/mod.rs:82:9
   5: analytic_engine::sst::parquet::reader::GetResultReader::init_if_necessary
             at ./src/sst/parquet/reader.rs:68:9
   6: <analytic_engine::sst::parquet::reader::GetResultReader as parquet::file::reader::ChunkReader>::get_read
             at ./src/sst/parquet/reader.rs:99:9
   7: parquet::file::footer::parse_metadata
             at /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/parquet-23.0.0/src/file/footer.rs:48:5
   8: parquet_ext::serialized_reader::CacheableSerializedFileReader<R>::new
             at /home/runner/work/ceresdb/ceresdb/components/parquet_ext/src/serialized_reader.rs:85:42
   9: analytic_engine::sst::parquet::reader::read_sst_meta::{{closure}}
             at ./src/sst/parquet/reader.rs:155:23