feat: add last_scanned_row_key feature

proto-google-cloud-bigtable-v2/src/main/java/com/google/bigtable/v2/FeatureFlags.java

@@ -105,6 +105,25 @@ public boolean getMutateRowsRateLimit() {
     return mutateRowsRateLimit_;
   }
 
+  public static final int LAST_SCANNED_ROW_RESPONSES_FIELD_NUMBER = 4;
+  private boolean lastScannedRowResponses_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Notify the server that the client supports the last_scanned_row field
+   * in ReadRowsResponse for long-running sparse scans.
+   * </pre>
+   *
+   * <code>bool last_scanned_row_responses = 4;</code>
+   *
+   * @return The lastScannedRowResponses.
+   */
+  @java.lang.Override
+  public boolean getLastScannedRowResponses() {
+    return lastScannedRowResponses_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -125,6 +144,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (mutateRowsRateLimit_ != false) {
       output.writeBool(3, mutateRowsRateLimit_);
     }
+    if (lastScannedRowResponses_ != false) {
+      output.writeBool(4, lastScannedRowResponses_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -140,6 +162,9 @@ public int getSerializedSize() {
     if (mutateRowsRateLimit_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(3, mutateRowsRateLimit_);
     }
+    if (lastScannedRowResponses_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(4, lastScannedRowResponses_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -157,6 +182,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (getReverseScans() != other.getReverseScans()) return false;
     if (getMutateRowsRateLimit() != other.getMutateRowsRateLimit()) return false;
+    if (getLastScannedRowResponses() != other.getLastScannedRowResponses()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -172,6 +198,8 @@ public int hashCode() {
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getReverseScans());
     hash = (37 * hash) + MUTATE_ROWS_RATE_LIMIT_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getMutateRowsRateLimit());
+    hash = (37 * hash) + LAST_SCANNED_ROW_RESPONSES_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getLastScannedRowResponses());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -319,6 +347,7 @@ public Builder clear() {
       bitField0_ = 0;
       reverseScans_ = false;
       mutateRowsRateLimit_ = false;
+      lastScannedRowResponses_ = false;
       return this;
     }
 
@@ -360,6 +389,9 @@ private void buildPartial0(com.google.bigtable.v2.FeatureFlags result) {
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.mutateRowsRateLimit_ = mutateRowsRateLimit_;
       }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.lastScannedRowResponses_ = lastScannedRowResponses_;
+      }
     }
 
     @java.lang.Override
@@ -413,6 +445,9 @@ public Builder mergeFrom(com.google.bigtable.v2.FeatureFlags other) {
       if (other.getMutateRowsRateLimit() != false) {
         setMutateRowsRateLimit(other.getMutateRowsRateLimit());
       }
+      if (other.getLastScannedRowResponses() != false) {
+        setLastScannedRowResponses(other.getLastScannedRowResponses());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -451,6 +486,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000002;
                 break;
               } // case 24
+            case 32:
+              {
+                lastScannedRowResponses_ = input.readBool();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 32
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -582,6 +623,62 @@ public Builder clearMutateRowsRateLimit() {
       return this;
     }
 
+    private boolean lastScannedRowResponses_;
+    /**
+     *
+     *
+     * <pre>
+     * Notify the server that the client supports the last_scanned_row field
+     * in ReadRowsResponse for long-running sparse scans.
+     * </pre>
+     *
+     * <code>bool last_scanned_row_responses = 4;</code>
+     *
+     * @return The lastScannedRowResponses.
+     */
+    @java.lang.Override
+    public boolean getLastScannedRowResponses() {
+      return lastScannedRowResponses_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Notify the server that the client supports the last_scanned_row field
+     * in ReadRowsResponse for long-running sparse scans.
+     * </pre>
+     *
+     * <code>bool last_scanned_row_responses = 4;</code>
+     *
+     * @param value The lastScannedRowResponses to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLastScannedRowResponses(boolean value) {
+
+      lastScannedRowResponses_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Notify the server that the client supports the last_scanned_row field
+     * in ReadRowsResponse for long-running sparse scans.
+     * </pre>
+     *
+     * <code>bool last_scanned_row_responses = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearLastScannedRowResponses() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      lastScannedRowResponses_ = false;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);

proto-google-cloud-bigtable-v2/src/main/java/com/google/bigtable/v2/FeatureFlagsOrBuilder.java

@@ -50,4 +50,18 @@ public interface FeatureFlagsOrBuilder
    * @return The mutateRowsRateLimit.
    */
   boolean getMutateRowsRateLimit();
+
+  /**
+   *
+   *
+   * <pre>
+   * Notify the server that the client supports the last_scanned_row field
+   * in ReadRowsResponse for long-running sparse scans.
+   * </pre>
+   *
+   * <code>bool last_scanned_row_responses = 4;</code>
+   *
+   * @return The lastScannedRowResponses.
+   */
+  boolean getLastScannedRowResponses();
 }

proto-google-cloud-bigtable-v2/src/main/java/com/google/bigtable/v2/FeatureFlagsProto.java

@@ -41,14 +41,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n&google/bigtable/v2/feature_flags.proto"
-          + "\022\022google.bigtable.v2\"E\n\014FeatureFlags\022\025\n\r"
+          + "\022\022google.bigtable.v2\"i\n\014FeatureFlags\022\025\n\r"
           + "reverse_scans\030\001 \001(\010\022\036\n\026mutate_rows_rate_"
-          + "limit\030\003 \001(\010B\275\001\n\026com.google.bigtable.v2B\021"
-          + "FeatureFlagsProtoP\001Z:google.golang.org/g"
-          + "enproto/googleapis/bigtable/v2;bigtable\252"
-          + "\002\030Google.Cloud.Bigtable.V2\312\002\030Google\\Clou"
-          + "d\\Bigtable\\V2\352\002\033Google::Cloud::Bigtable:"
-          + ":V2b\006proto3"
+          + "limit\030\003 \001(\010\022\"\n\032last_scanned_row_response"
+          + "s\030\004 \001(\010B\275\001\n\026com.google.bigtable.v2B\021Feat"
+          + "ureFlagsProtoP\001Z:google.golang.org/genpr"
+          + "oto/googleapis/bigtable/v2;bigtable\252\002\030Go"
+          + "ogle.Cloud.Bigtable.V2\312\002\030Google\\Cloud\\Bi"
+          + "gtable\\V2\352\002\033Google::Cloud::Bigtable::V2b"
+          + "\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -59,7 +60,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_bigtable_v2_FeatureFlags_descriptor,
             new java.lang.String[] {
-              "ReverseScans", "MutateRowsRateLimit",
+              "ReverseScans", "MutateRowsRateLimit", "LastScannedRowResponses",
             });
   }
 

proto-google-cloud-bigtable-v2/src/main/proto/google/bigtable/v2/feature_flags.proto

@@ -40,4 +40,8 @@ message FeatureFlags {
   // Notify the server that the client enables batch write flow control by
   // requesting RateLimitInfo from MutateRowsResponse.
   bool mutate_rows_rate_limit = 3;
+
+  // Notify the server that the client supports the last_scanned_row field
+  // in ReadRowsResponse for long-running sparse scans.
+  bool last_scanned_row_responses = 4;
 }