New JDBC option to support INFILE and OUTFILE

[zhicwu]

Summary

New JDBC option localFile(boolean, defaults to false) to support INFILE and OUTFILE.

Usage

Add suffix ! to overwrite existing OUTFILE, and throw exception if INFILE does not exist or no record inserted.

drop table if exists test_in_and_out;
create table test_in_and_out(id UInt64, value String) engine=MergeTree order by id as
select number, toString(generateUUIDv4()) from numbers(1000000); -- 1,000,000 rows

-- my.csv.zst	CSV	zstd	-1	23664478
select * from test_in_and_out into outfile 'my.csv.zst';
-- my.csv.zst	TSV	lz4	5	41421620
select * from test_in_and_out into outfile 'my.csv.zst!' compression 'lz4' level 5 format TSV;

truncate table test_in_and_out;
insert into test_in_and_out from infile 'my.csv.zst!' compression 'lz4' format TSV;

Please pay attention that when using a database client like DBeaver, if you want to export/import all data, you need to change the row limit to zero.

Checklist

Delete items not relevant to your PR:

• Unit and integration tests covering the common scenarios were added
• A human-readable description of the changes was provided to include in CHANGELOG
• For significant changes, documentation in https://github.com/ClickHouse/clickhouse-docs was updated with further explanations or tutorials