[doris] branch master updated: [fix](typesystem) fix wrong return type argument cause type check fail (#21082)

[kxiao]

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


The following commit(s) were added to refs/heads/master by this push:
     new 3dfeee3946 [fix](typesystem) fix wrong return type argument cause type 
check fail (#21082)
3dfeee3946 is described below

commit 3dfeee39466acc826f911c7d9a7ae493b5a81c03
Author: TsukiokaKogane <cby141...@gmail.com>
AuthorDate: Thu Jun 22 00:04:46 2023 +0800

    [fix](typesystem) fix wrong return type argument cause type check fail 
(#21082)
---
 be/src/vec/exec/scan/vfile_scanner.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/be/src/vec/exec/scan/vfile_scanner.cpp 
b/be/src/vec/exec/scan/vfile_scanner.cpp
index a5ebf34645..43c6147dad 100644
--- a/be/src/vec/exec/scan/vfile_scanner.cpp
+++ b/be/src/vec/exec/scan/vfile_scanner.cpp
@@ -348,13 +348,12 @@ Status VFileScanner::_cast_to_input_block(Block* block) {
             continue;
         }
         auto& arg = _src_block_ptr->get_by_name(slot_desc->col_name());
-        // remove nullable here, let the get_function decide whether nullable
         auto return_type = slot_desc->get_data_type_ptr();
+        // remove nullable here, let the get_function decide whether nullable
+        auto data_type = 
vectorized::DataTypeFactory::instance().create_data_type(
+                remove_nullable(return_type)->get_type_id());
         ColumnsWithTypeAndName arguments {
-                arg,
-                {DataTypeString().create_column_const(
-                         arg.column->size(), 
remove_nullable(return_type)->get_family_name()),
-                 std::make_shared<DataTypeString>(), ""}};
+                arg, {data_type->create_column(), data_type, 
slot_desc->col_name()}};
         auto func_cast =
                 SimpleFunctionFactory::instance().get_function("CAST", 
arguments, return_type);
         idx = _src_block_name_to_idx[slot_desc->col_name()];


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