fix: Deprecate proto sequencer_id fields; add shard_id fields

generated_types/protos/influxdata/iox/catalog/v1/parquet_file.proto

@@ -5,11 +5,13 @@ option go_package = "github.com/influxdata/iox/catalog/v1";
 message ParquetFile {
     reserved 7;
     reserved "min_sequence_number";
+    reserved 2;
+    reserved "sequencer_id";
 
     // the id of the file in the catalog
     int64 id = 1;
-    // the sequencer that sequenced writes for this file
-    int64 sequencer_id = 2;
+    // the shard that sequenced writes for this file
+    int64 shard_id = 17;
     // the namespace id
     int64 namespace_id = 3;
     // the table id

generated_types/protos/influxdata/iox/catalog/v1/service.proto

@@ -25,11 +25,13 @@ message GetParquetFilesByPartitionIdResponse {
 message Partition {
     reserved 5;
     reserved "sort_key";
+    reserved 2;
+    reserved "sequencer_id";
 
     // the partition id
     int64 id = 1;
-    // the sequencer the partition is under
-    int64 sequencer_id = 2;
+    // the shard the partition is under
+    int64 shard_id = 7;
     // the table id the partition is in
     int64 table_id = 3;
     // the partition key

generated_types/protos/influxdata/iox/ingester/v1/parquet_metadata.proto

@@ -13,6 +13,9 @@ message IoxMetadata {
   // serialize your parquet file with this metadata structure within it)
   reserved 10, 11, 12, 14;
   reserved "row_count", "min_sequence_number", "time_of_first_write", "time_of_last_write";
+  // Renamed to shard_id
+  reserved 5;
+  reserved "sequencer_id";
 
   // Object store ID. Used in the parquet filename. 16 bytes in big-endian order.
   bytes object_store_id = 1;
@@ -26,8 +29,8 @@ message IoxMetadata {
   // Unique name of the namespace.
   string namespace_name = 4;
 
-  // Unique sequencer ID.
-  int64 sequencer_id = 5;
+  // Unique shard ID.
+  int64 shard_id = 17;
 
   // Unique table ID.
   int64 table_id = 6;

generated_types/protos/influxdata/iox/ingester/v1/query.proto

@@ -77,7 +77,7 @@ message IngesterQueryResponseMetadata {
 
 // Status of a partition that has unpersisted data.
 //
-// Note that this structure is specific to a partition (which itself is bound to a table and sequencer)!
+// Note that this structure is specific to a partition (which itself is bound to a table and shard)!
 message PartitionStatus {
   // Max sequence number persisted
   optional int64 parquet_max_sequence_number = 1;

generated_types/src/ingester.rs

@@ -36,7 +36,7 @@ pub struct IngesterQueryRequest {
 
 impl IngesterQueryRequest {
     /// Make a request to return data for a specified table for
-    /// all sequencers an ingester is responsible for
+    /// all shards an ingester is responsible for
     pub fn new(
         namespace: String,
         table: String,

parquet_file/src/metadata.rs

@@ -315,7 +315,7 @@ impl IoxMetadata {
             creation_timestamp: Some(self.creation_timestamp.date_time().into()),
             namespace_id: self.namespace_id.get(),
             namespace_name: self.namespace_name.to_string(),
-            sequencer_id: self.shard_id.get(), // XXXJPG
+            shard_id: self.shard_id.get(),
             table_id: self.table_id.get(),
             table_name: self.table_name.to_string(),
             partition_id: self.partition_id.get(),
@@ -365,7 +365,7 @@ impl IoxMetadata {
             creation_timestamp,
             namespace_id: NamespaceId::new(proto_msg.namespace_id),
             namespace_name,
-            shard_id: ShardId::new(proto_msg.sequencer_id), // XXXJPG
+            shard_id: ShardId::new(proto_msg.shard_id),
             table_id: TableId::new(proto_msg.table_id),
             table_name,
             partition_id: PartitionId::new(proto_msg.partition_id),