proto: add sample rate for analyze request (#236)

pingcap · Oct 26, 2021 · ec68283 · ec68283
1 parent 186050f
commit ec68283
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Showing 2 changed files with 112 additions and 75 deletions.
diff --git a/go-tipb/analyze.pb.go b/go-tipb/analyze.pb.go
diff --git a/proto/analyze.proto b/proto/analyze.proto
@@ -76,6 +76,9 @@ message AnalyzeColumnsReq {
     repeated int64 primary_prefix_column_ids = 9;
 
     repeated AnalyzeColumnGroup column_groups = 10;
+    // sample_rate is the sampling rate that how many samples will collected.
+    // There must be one non-zero value in sample_rate and sample_size.
+    optional double sample_rate = 11;
 }
 
 message AnalyzeMixedResp {