paritydb support for parachains db. (#4838)

* parity db subsystem without cache and no splitted column

* fmt

* fix path (auto from parity-db fail)

* lru cache for db column with cache

* Revert "lru cache for db column with cache"

This reverts commit ae177bc5e107a075eff6a21f651218ada6599b74.

* Write_lock mutex

* theoric code for bridges

* revert changes

* Revert bridge changes

* fix spec_version

* update parity db

* test purge-db

* Use specific ordered collection with paritydb.

* Revert "Use specific ordered collection with paritydb."

This reverts commit 8b66d0a4ae914cba1af0f44050d45dd6d9327c6b.

* fix chain selection tests.

* remove patch

* fix auto.

* Remove useless exists directory method

* purge chain without parity-db removal

* spellcheck

* renamings and filtering.

* fix assertion

* format

* update parity-db and fmt

* Auto keep using rocksdb when it exists.

* Revert "Auto keep using rocksdb when it exists."

This reverts commit cea49b32ae590bdce31fed5c45f3c028ae0c7564.

* Update kvdb version.

polkadot/node/service/src/lib.rs

@@ -856,10 +856,31 @@ where
 		);
 	}
 
-	let parachains_db = crate::parachains_db::open_creating(
-		config.database.path().ok_or(Error::DatabasePathRequired)?.into(),
-		crate::parachains_db::CacheSizes::default(),
-	)?;
+	let parachains_db = match &config.database {
+		DatabaseSource::RocksDb { path, .. } => crate::parachains_db::open_creating_rocksdb(
+			path.clone(),
+			crate::parachains_db::CacheSizes::default(),
+		)?,
+		DatabaseSource::ParityDb { path, .. } => crate::parachains_db::open_creating_paritydb(
+			path.parent().ok_or(Error::DatabasePathRequired)?.into(),
+			crate::parachains_db::CacheSizes::default(),
+		)?,
+		DatabaseSource::Auto { paritydb_path, rocksdb_path, .. } =>
+			if paritydb_path.is_dir() && paritydb_path.exists() {
+				crate::parachains_db::open_creating_paritydb(
+					paritydb_path.parent().ok_or(Error::DatabasePathRequired)?.into(),
+					crate::parachains_db::CacheSizes::default(),
+				)?
+			} else {
+				crate::parachains_db::open_creating_rocksdb(
+					rocksdb_path.clone(),
+					crate::parachains_db::CacheSizes::default(),
+				)?
+			},
+		DatabaseSource::Custom { .. } => {
+			unimplemented!("No polkadot subsystem db for custom source.");
+		},
+	};
 
 	let availability_config = AvailabilityConfig {
 		col_data: crate::parachains_db::REAL_COLUMNS.col_availability_data,