Merge pull request #2402 from yahonda/backport_2398_to_release71

Merge pull request #2398 from yahonda/diag_2394

lib/active_record/connection_adapters/oracle_enhanced/database_statements.rb

@@ -65,7 +65,7 @@ def supports_explain?
           true
         end
 
-        def explain(arel, binds = [])
+        def explain(arel, binds = [], options = [])
           sql = "EXPLAIN PLAN FOR #{to_sql(arel, binds)}"
           return if /FROM all_/.match?(sql)
           if ORACLE_ENHANCED_CONNECTION == :jdbc
@@ -76,6 +76,11 @@ def explain(arel, binds = [])
           select_values("SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY)", "EXPLAIN").join("\n")
         end
 
+        def build_explain_clause(options = [])
+          # Oracle does not have anything similar to "EXPLAIN ANALYZE"
+          # https://docs.oracle.com/en/database/oracle/oracle-database/23/sqlrf/EXPLAIN-PLAN.html#GUID-FD540872-4ED3-4936-96A2-362539931BA0
+        end
+
         # New method in ActiveRecord 3.1
         # Will add RETURNING clause in case of trigger generated primary keys
         def sql_for_insert(sql, pk, binds, _returning)