add compression for INTO OUTFILE#27134
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kitaisreal merged 5 commits intoClickHouse:masterfrom Aug 5, 2021
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| ${CLICKHOUSE_LOCAL} --query "SELECT * FROM (SELECT 'Hello, World! From local.') INTO OUTFILE '${CLICKHOUSE_TMP}/test_compression_of_output_file_from_local.gz'" | ||
| gunzip ${CLICKHOUSE_TMP}/test_compression_of_output_file_from_local.gz | ||
| cat ${CLICKHOUSE_TMP}/test_compression_of_output_file_from_local No newline at end of file |
kitaisreal
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kitaisreal
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kitaisreal
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alexey-milovidov
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Aug 3, 2021
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There are errors in performance, but they are not related to changes. |
kitaisreal
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Aug 5, 2021
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Add compression for
INTO OUTFILEthat automatically choose compression algorithm. Closes #3473.Detailed description / Documentation draft:
Solution of #3473. Now files will be compressed with algorithm which is chosen be filename ending.
Example
SELECT * FROM (SELECT 'Hello world!') INTO OUTFILE 'hello.gz'This query will create file with
gzipcompression.