fix:48260610

src/sql/engine/basic/ob_json_table_op.cpp

@@ -1173,7 +1173,8 @@ int JtFuncHelpler::check_default_value_inner(JtScanCtx* ctx,
     LOG_WARN("default value not match returing type", K(ret));
   } else if (OB_FAIL(ObJsonExprHelper::pre_default_value_check(col_expr->datum_meta_.type_, in_str, default_expr->datum_meta_.type_))) {
     LOG_WARN("default value pre check fail", K(ret), K(in_str));
-  } else if (OB_FAIL(JtFuncHelpler::check_default_val_accuracy(col_info.data_type_.get_accuracy(), col_expr->datum_meta_.type_, emp_datum))) {
+  } else if (ob_obj_type_class(col_expr->datum_meta_.type_) == ob_obj_type_class(default_expr->datum_meta_.type_)
+             && OB_FAIL(JtFuncHelpler::check_default_val_accuracy(col_info.data_type_.get_accuracy(), default_expr->datum_meta_.type_, emp_datum))) {
     LOG_WARN("fail to check accuracy", K(ret));
   }
 

src/sql/engine/expr/ob_expr_json_func_helper.cpp

@@ -647,7 +647,7 @@ int ObJsonExprHelper::transform_scalar_2jsonBase(const T &datum,
           ret = OB_ALLOCATE_MEMORY_FAILED;
           LOG_WARN("buf allocate failed", K(ret), K(type));
         } else {
-          json_node = (ObJsonDouble *)new(buf)ObJsonDouble(datum.get_double());
+          json_node = (ObJsonDouble *)new(buf)ObJsonDouble(val);
         }
       }
       break;

src/sql/resolver/dml/ob_dml_resolver.cpp

@@ -7823,7 +7823,6 @@ int ObDMLResolver::resolve_json_table_column_type(const ParseNode &parse_tree,
     common::ObAccuracy accuracy = ObAccuracy::DDL_DEFAULT_ACCURACY2[1][obj_type];
     common::ObLengthSemantics length_semantics = parse_tree.length_semantics_;
     accuracy.set_length_semantics(length_semantics);
-
     ObObjTypeClass dest_tc = ob_obj_type_class(obj_type);
 
     if (ObStringTC == dest_tc) {
@@ -7835,7 +7834,7 @@ int ObDMLResolver::resolve_json_table_column_type(const ParseNode &parse_tree,
     } else if (ObRawTC == dest_tc) {
       accuracy.set_length(parse_tree.int32_values_[1]);
     } else if (ObTextTC == dest_tc || ObJsonTC == dest_tc) {
-      accuracy.set_length(parse_tree.int32_values_[1] < 0 ?
+      accuracy.set_length(parse_tree.int32_values_[1] <= 0 ?
           ObAccuracy::DDL_DEFAULT_ACCURACY[obj_type].get_length() : parse_tree.int32_values_[1]);
     } else if (ObIntervalTC == dest_tc) {
       if (OB_UNLIKELY(!ObIntervalScaleUtil::scale_check(parse_tree.int16_values_[3]) ||
@@ -7856,6 +7855,8 @@ int ObDMLResolver::resolve_json_table_column_type(const ParseNode &parse_tree,
         accuracy.set_precision(parse_tree.int16_values_[2]);
         accuracy.set_scale(parse_tree.int16_values_[3]);
       } else if (ObIntType == obj_type) {
+        data_type.set_int();
+        accuracy = def_acc;
       } else {
         accuracy.set_precision(parse_tree.int16_values_[2]);
         accuracy.set_scale(parse_tree.int16_values_[3]);