feat: implement parquet metadata handling

Closes #1379 and contributes to #1380.

Cargo.lock

@@ -2414,6 +2414,7 @@ dependencies = [
  "prost-types",
  "query",
  "snafu",
+ "thrift",
  "tokio",
  "tokio-stream",
  "tracker",

parquet_file/Cargo.toml

@@ -18,6 +18,7 @@ prost = "0.7"
 prost-types = "0.7"
 query = { path = "../query" }
 snafu = "0.6"
+thrift = "0.13"
 tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "sync"] }
 tokio-stream = "0.1"
 tracker = { path = "../tracker" }

parquet_file/src/lib.rs

@@ -9,5 +9,6 @@
 
 pub mod catalog;
 pub mod chunk;
+pub mod metadata;
 pub mod storage;
 pub mod table;