Add a test for calculated default expressions in CSVWithNames

Author: alexey-milovidov

tests/queries/0_stateless/03458_csv_with_names_calculated_defaults.reference

@@ -0,0 +1,4 @@
+Hello	123	Hello, 123
+World	456	World, 456
+Hello	123	x
+World	456	World, 456

tests/queries/0_stateless/03458_csv_with_names_calculated_defaults.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CURDIR"/../shell_config.sh
+
+echo -n -e "name,value\nHello,123\nWorld,456" | ${CLICKHOUSE_LOCAL} --input-format CSVWithNames --input_format_csv_allow_variable_number_of_columns 1 --structure "name String, value UInt32, test String DEFAULT name || ', ' || value" --output-format TSV --copy
+echo -n -e "name,value,test\nHello,123,x\nWorld,456" | ${CLICKHOUSE_LOCAL} --input-format CSVWithNames --input_format_csv_allow_variable_number_of_columns 1 --structure "name String, value UInt32, test String DEFAULT name || ', ' || value" --output-format TSV --copy