fix typos

src/sql/optimizer/ob_del_upd_log_plan.cpp

@@ -1422,7 +1422,7 @@ int ObDelUpdLogPlan::allocate_pdml_insert_as_top(ObLogicalOperator *&top,
       LOG_WARN("get unexpected null", K(ret));
     }
     if (OB_FAIL(insert_op->compute_property())) {
-      LOG_WARN("failed to compute propery", K(ret));
+      LOG_WARN("failed to compute property", K(ret));
     } else {
       top = insert_op;
     }

src/sql/rewrite/ob_transform_aggr_subquery.h

@@ -75,7 +75,7 @@ private:
     ObSEArray<bool, 4> is_null_prop_; // need case when for a expr
     ObArray<ObRawExpr *> not_null_const_;
     int64_t pullup_flag_; // the methods uesd when pulling up the ja query
-    ObRawExpr *not_null_expr_;  //  not null expr of subquery if corelated join happened
+    ObRawExpr *not_null_expr_;  //  not null expr of subquery if correlated join happened
     ObRawExpr *parent_expr_of_query_ref;  // parent expr need to be modified for vector subquery comparison
     bool limit_for_exists_;
     int64_t limit_value_;

src/sql/rewrite/ob_transform_count_to_exists.cpp

@@ -51,7 +51,7 @@ int ObTransformCountToExists::transform_one_stmt(common::ObIArray<ObParentDMLStm
     ret = OB_ERR_UNEXPECTED;
     LOG_WARN("get unexpected null", K(ret));
   } else if (OB_FAIL(cond_exprs.assign(stmt->get_condition_exprs()))) {
-    LOG_WARN("failed to assgin where condition exprs", K(ret));
+    LOG_WARN("failed to assign where condition exprs", K(ret));
   } else if (OB_FAIL(collect_trans_params(stmt, cond_exprs, trans_params))) {
     LOG_WARN("failed to transform count to exists", K(ret));
   } else if (trans_params.empty()) {

src/sql/rewrite/ob_transform_left_join_to_anti.cpp

@@ -315,7 +315,7 @@ int ObTransformLeftJoinToAnti::trans_stmt_to_anti(ObDMLStmt *stmt, JoinedTable *
       }
     }
     // do in-place modification
-    // a shared expr in semi_condition may be modified by the above replacemenet,
+    // a shared expr in semi_condition may be modified by the above replacement,
     // we revert the replacement in the following.
     if (OB_SUCC(ret)) {
       ObRawExprCopier copier(*ctx_->expr_factory_);
@@ -337,7 +337,7 @@ int ObTransformLeftJoinToAnti::trans_stmt_to_anti(ObDMLStmt *stmt, JoinedTable *
     } else if (OB_FAIL(stmt->update_column_item_rel_id())) {
       LOG_WARN("failed to update column item rel id", K(ret));
     } else if (OB_FAIL(stmt->formalize_stmt(ctx_->session_info_))) {
-      LOG_WARN("failed to formlize stmt", K(ret));
+      LOG_WARN("failed to formalize stmt", K(ret));
     }
   }
   return ret;
@@ -353,9 +353,9 @@ int ObTransformLeftJoinToAnti::clear_for_update(TableItem *table) {
       table->for_update_ = false;
     } else if (table->is_joined_table()) {
       if (OB_FAIL(clear_for_update(static_cast<JoinedTable*>(table)->left_table_))) {
-        LOG_WARN("fail to cleanr for update", K(ret));
+        LOG_WARN("fail to clear for update", K(ret));
       } else if (OB_FAIL(clear_for_update(static_cast<JoinedTable*>(table)->right_table_))) {
-        LOG_WARN("fail to cleanr for update", K(ret));
+        LOG_WARN("fail to clear for update", K(ret));
       }
     }
   }
@@ -523,7 +523,7 @@ int ObTransformLeftJoinToAnti::check_can_be_trans(ObDMLStmt *stmt,
         JoinedTable *right_joined_table = static_cast<JoinedTable *>(right_table);
         if (is_contain(right_joined_table->single_table_ids_, table_info->table_id_)) {
           is_table_valid = false;
-          OPT_TRACE("right table is dml targe table");
+          OPT_TRACE("right table is dml target table");
         }
       } else if (table_info->table_id_ == right_table->table_id_) {
         is_table_valid = false;

src/sql/rewrite/ob_transform_min_max.h

@@ -51,7 +51,7 @@ class ObAggFunRawExpr;
  * select min(v.c1) from (select pk from t1 where pk is not null order by pk limit 1)
  *
  * rewrite requests:
- * 1. max/min aggragate on a column of table, and this column is a index or the first nonconst column of index.
+ * 1. max/min aggregate on a column of table, and this column is a index or the first nonconst column of index.
  * 2. select stmt is scalar group by and hasn't limit.
  * 3. just deal single table yet.
  */

src/sql/rewrite/ob_transform_subquery_coalesce.h

@@ -49,7 +49,7 @@ private:
     ObRawExpr *any_expr_;
     ObRawExpr *all_expr_;
     ObStmtMapInfo map_info_;
-    TransformFlag trans_flag_ = DEFAULT; //defalut value;
+    TransformFlag trans_flag_ = DEFAULT; //default value;
 
     TO_STRING_KV(K(exists_expr_), 
                  K(not_exists_expr_),