fix some typo error

src/sql/engine/cmd/ob_database_executor.cpp

@@ -203,7 +203,7 @@ int ObDropDatabaseExecutor::execute(ObExecContext &ctx, ObDropDatabaseStmt &stmt
     SQL_ENG_LOG(WARN, "get common rpc proxy failed", K(ret));
   } else if (OB_ISNULL(common_rpc_proxy) || OB_ISNULL(ctx.get_my_session())) {
     ret = OB_ERR_UNEXPECTED;
-    SQL_ENG_LOG(WARN, "failt to get my session", K(ctx), K(common_rpc_proxy));
+    SQL_ENG_LOG(WARN, "fail to get my session", K(ctx), K(common_rpc_proxy));
   } else {
     obrpc::UInt64 affected_row(0);
     obrpc::ObDropDatabaseRes drop_database_res;

src/sql/engine/cmd/ob_table_executor.cpp

@@ -598,7 +598,7 @@ int ObCreateTableExecutor::execute(ObExecContext &ctx, ObCreateTableStmt &stmt)
       }
     }
 
-    // only CTAS or create temperary table will make session_id != 0. If such table detected, set
+    // only CTAS or create temporary table will make session_id != 0. If such table detected, set
     // need ctas cleanup task anyway to do some cleanup jobs
     if (0 != table_schema.get_session_id()) {
       LOG_TRACE("CTAS or temporary table create detected", K(table_schema));
@@ -2173,7 +2173,7 @@ int ObTruncateTableExecutor::execute(ObExecContext &ctx, ObTruncateTableStmt &st
       bool use_parallel_truncate = false;
       const uint64_t tenant_id = truncate_table_arg.tenant_id_;
       if (OB_FAIL(check_use_parallel_truncate(truncate_table_arg, use_parallel_truncate))) {
-        LOG_WARN("fail to check use parallel trunate", KR(ret), K(truncate_table_arg));
+        LOG_WARN("fail to check use parallel truncate", KR(ret), K(truncate_table_arg));
       } else if (!use_parallel_truncate) {
         if (OB_FAIL(common_rpc_proxy->truncate_table(truncate_table_arg, res))) {
           LOG_WARN("rpc proxy alter table failed", K(ret));
@@ -2372,7 +2372,7 @@ int ObFlashBackTableToScnExecutor::execute(ObExecContext &ctx, ObFlashBackTableT
       LOG_WARN("get common rpc proxy failed", K(ret));
     } else if (OB_ISNULL(common_rpc_proxy)) {
       ret = OB_ERR_UNEXPECTED;
-      LOG_WARN("cmmon rpc proxy should not be null", K(ret));
+      LOG_WARN("common rpc proxy should not be null", K(ret));
     } else if (OB_FAIL(common_rpc_proxy->flashback_table_to_time_point(arg))) {
       LOG_WARN("rpc proxy flashback table failed", K(ret));
     }

src/sql/engine/subquery/ob_subplan_filter_op.cpp

@@ -596,7 +596,7 @@ int ObSubPlanFilterOp::switch_iterator()
   } else if (OB_FAIL(child_->switch_iterator())) {
     //TODO: 目前只支持对非相关子查询做多组迭代器切换，只切换主表
     if (OB_ITER_END != ret) {
-      LOG_WARN("swtich child operator iterator failed", K(ret));
+      LOG_WARN("switch child operator iterator failed", K(ret));
     }
   }
 
@@ -918,7 +918,7 @@ int ObSubPlanFilterOp::handle_next_batch_with_px_rescan(const int64_t op_max_bat
       }
       if (left_rows_total_cnt != left_rows_.get_row_cnt()) {
         ret = OB_ERR_UNEXPECTED;
-        LOG_WARN("left_rows row cnt is unexpectd", K(ret));
+        LOG_WARN("left_rows row cnt is unexpected", K(ret));
       }
     }
   }
@@ -1045,7 +1045,7 @@ int ObSubPlanFilterOp::handle_next_batch_with_group_rescan(const int64_t op_max_
           LOG_WARN("prepare rescan params failed", K(ret));
         } else if (left_rows_total_cnt != left_rows_.get_row_cnt()) {
           ret = OB_ERR_UNEXPECTED;
-          LOG_WARN("left_rows row cnt is unexpectd", K(ret));
+          LOG_WARN("left_rows row cnt is unexpected", K(ret));
         }
       }
 
@@ -1383,7 +1383,7 @@ int ObSubPlanFilterOp::handle_update_set()
         }
       }
       if (OB_SUCC(ret) && OB_FAIL(row_val.store_row_->to_expr(MY_SPEC.update_set_, eval_ctx_))) {
-        LOG_WARN("failed to get expr from chunck datum store. ", K(ret));
+        LOG_WARN("failed to get expr from chunk datum store. ", K(ret));
       }
     }
   }

src/sql/engine/subquery/ob_subplan_scan_op.h

@@ -26,7 +26,7 @@ class ObSubPlanScanSpec : public ObOpSpec
 public:
   ObSubPlanScanSpec(common::ObIAllocator &alloc, const ObPhyOperatorType type);
   // project child output to subplan scan column.
-  // projector_is filled with [child output, scan column] paires, even index is child output,
+  // projector_is filled with [child output, scan column] pairs, even index is child output,
   // odd is scan column. e.g.:
   //   [child output, scan column, child output, scan column, ...]
   ExprFixedArray projector_;