Merge pull request ClickHouse#49486 from bigo-sg/test_hive_null_as_de…

…fault

Set defaults_for_omitted_fields to true for hive text format

src/Processors/Formats/Impl/HiveTextRowInputFormat.cpp

@@ -17,6 +17,7 @@ static FormatSettings updateFormatSettings(const FormatSettings & settings, cons
     updated.skip_unknown_fields = true;
     updated.with_names_use_header = true;
     updated.date_time_input_format = FormatSettings::DateTimeInputFormat::BestEffort;
+    updated.defaults_for_omitted_fields = true;
     updated.csv.delimiter = updated.hive_text.fields_delimiter;
     if (settings.hive_text.input_field_names.empty())
         updated.hive_text.input_field_names = header.getNames();