feat: add GetSelectivityOfSQLColumns method to Plugin and Driver interfaces, and update proto definitions

Author: iwanghc

sqle/driver/plugin_interface.go

@@ -51,6 +51,7 @@ type Plugin interface {
 	Backup(ctx context.Context, backupStrategy string, sql string, backupMaxRows uint64) (backupSqls []string, executeResult string, err error)
 
 	RecommendBackupStrategy(ctx context.Context, sql string) (*RecommendBackupStrategyRes, error)
+	GetSelectivityOfSQLColumns(ctx context.Context, sql string) (map[string] /*table name*/ map[string] /*column name*/ float32, error)
 }
 
 type RecommendBackupStrategyRes struct {

sqle/driver/v2/driver_interface.go

@@ -99,6 +99,7 @@ type Driver interface {
 
 	Backup(ctx context.Context, req *BackupReq) (*BackupRes, error)
 	RecommendBackupStrategy(ctx context.Context, req *RecommendBackupStrategyReq) (*RecommendBackupStrategyRes, error)
+	GetSelectivityOfSQLColumns(ctx context.Context, sql string) (map[string] /*table name*/ map[string] /*column name*/ float32, error)
 }
 
 const (

sqle/driver/v2/proto/driver_v2.proto

@@ -39,6 +39,7 @@ service Driver {
   rpc EstimateSQLAffectRows(EstimateSQLAffectRowsRequest) returns (EstimateSQLAffectRowsResponse); // Introduced from SQLE v2.2304.0
   rpc GetDatabaseObjectDDL(DatabaseObjectInfoRequest) returns (DatabaseSchemaObjectResponse);
   rpc GetDatabaseDiffModifySQL(DatabaseDiffModifyRequest) returns (DatabaseDiffModifyRponse);
+  rpc GetSelectivityOfSQLColumns(GetSelectivityOfSQLColumnsRequest) returns (GetSelectivityOfSQLColumnsResponse);
 }
 
 message Empty {}
@@ -476,4 +477,18 @@ message DatabaseDiffModifyRponse {
 message SchemaDiffModify {
   string schemaName = 1;  
 	repeated string modifySQLs = 2;
+}
+
+message GetSelectivityOfSQLColumnsRequest {
+  Session session = 1;
+  string sql = 2;
+}
+
+message SelectivityOfSQLColumns {
+  string tableName = 1;
+  map<string, float> selectivityOfColumns = 2;
+}
+
+message GetSelectivityOfSQLColumnsResponse {
+  repeated SelectivityOfSQLColumns selectivity = 1;
 }