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kxiao pushed a commit to branch branch-2.0
in repository https://gitbox.apache.org/repos/asf/doris.git

commit 25141b9eaee8917493c4190a0c6f977563594525
Author: zy-kkk <zhongy...@gmail.com>
AuthorDate: Sun Sep 10 12:00:53 2023 +0800

    [fix](jdbc catalog) fix jdbc catalog creating json columns when reading 
json data (#24122)
---
 be/src/vec/exec/vjdbc_connector.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/be/src/vec/exec/vjdbc_connector.cpp 
b/be/src/vec/exec/vjdbc_connector.cpp
index ca917c6b9f..20fcfd196b 100644
--- a/be/src/vec/exec/vjdbc_connector.cpp
+++ b/be/src/vec/exec/vjdbc_connector.cpp
@@ -946,7 +946,7 @@ Status JdbcConnector::_cast_string_to_json(const 
SlotDescriptor* slot_desc, Bloc
     DataTypePtr _target_data_type = slot_desc->get_data_type_ptr();
     std::string _target_data_type_name = _target_data_type->get_name();
     DataTypePtr _cast_param_data_type = _target_data_type;
-    ColumnPtr _cast_param = 
_cast_param_data_type->create_column_const_with_default_value(1);
+    ColumnPtr _cast_param = _cast_param_data_type->create_column_const(1, 
"{}");
 
     ColumnsWithTypeAndName argument_template;
     argument_template.reserve(2);


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