Return 0 for getChannel() with multiplexed sessions

odeke-em · odeke-em · commit 6e65c3e15fbc · 2025-06-18T22:52:07.000-06:00
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SessionImpl.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SessionImpl.java
@@ -596,6 +596,9 @@ public XGoogSpannerRequestId.RequestIdCreator getRequestIdCreator() {
   }
 
   int getChannel() {
+    if (getIsMultiplexed()) {
+      return 0;
+    }
     Long channelHint = (Long) this.getOptions().get(SpannerRpc.Option.CHANNEL_HINT);
     return (int) (channelHint % this.spanner.getOptions().getNumChannels());
   }

Original file line number	Diff line number	Diff line change
`@@ -596,6 +596,9 @@ public XGoogSpannerRequestId.RequestIdCreator getRequestIdCreator() {`
`596`	`596`	`}`
`597`	`597`
`598`	`598`	`int getChannel() {`
	`599`	`+ if (getIsMultiplexed()) {`
	`600`	`+ return 0;`
	`601`	`+ }`
`599`	`602`	`Long channelHint = (Long) this.getOptions().get(SpannerRpc.Option.CHANNEL_HINT);`
`600`	`603`	`return (int) (channelHint % this.spanner.getOptions().getNumChannels());`
`601`	`604`	`}`