spfresh: rename search beam request field (#420)

Rename SPFreshSearchRequest field 9 from base_beam_size to search_beam_size so TiPB matches TiDB SQL and TiKV request semantics. The wire number stays unchanged.

Regenerate Go bindings and refresh proto.lock after the schema rename.

Author: ChenNingjie1218

go-tipb/spfresh_search.pb.go

@@ -32,8 +32,8 @@ message SPFreshSearchRequest {
 
     // Optional tuning parameters.
     double oversample_factor = 8;
-    // If zero, the server uses its default base beam size.
-    uint32 base_beam_size = 9;
+    // If zero, the server uses its default search beam size.
+    uint32 search_beam_size = 9;
 
     // read_only disables background fixups (split/merge) triggered by search
     // observations. When enabled, the server must not enqueue fixups and should

proto/spfresh_search.proto

@@ -2528,6 +2528,12 @@
                 "name": "runtime_filter_list",
                 "type": "RuntimeFilter",
                 "is_repeated": true
+              },
+              {
+                "id": 15,
+                "name": "is_null_eq",
+                "type": "bool",
+                "is_repeated": true
               }
             ]
           },
@@ -4462,6 +4468,18 @@
                 "name": "ApproxCountDistinct",
                 "integer": 3020
               },
+              {
+                "name": "SumInt",
+                "integer": 3021
+              },
+              {
+                "name": "MinCount",
+                "integer": 3022
+              },
+              {
+                "name": "MaxCount",
+                "integer": 3023
+              },
               {
                 "name": "RowNumber",
                 "integer": 4001
@@ -8502,7 +8520,7 @@
               },
               {
                 "id": 9,
-                "name": "base_beam_size",
+                "name": "search_beam_size",
                 "type": "uint32"
               },
               {
@@ -9613,4 +9631,4 @@
       }
     }
   ]
-}
+}