From 58d34e306cec5b41ac372934e43639c2df24e54e Mon Sep 17 00:00:00 2001 From: Alexey Korepanov Date: Mon, 8 Jul 2024 09:08:03 +0200 Subject: [PATCH] Add documentation on JSONCompactWithProgress --- docs/en/interfaces/formats.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/docs/en/interfaces/formats.md b/docs/en/interfaces/formats.md index ffdd7e2ca25..6161cddefdd 100644 --- a/docs/en/interfaces/formats.md +++ b/docs/en/interfaces/formats.md @@ -38,6 +38,7 @@ The supported formats are: | [JSONCompact](#jsoncompact) | ✔ | ✔ | | [JSONCompactStrings](#jsoncompactstrings) | ✗ | ✔ | | [JSONCompactColumns](#jsoncompactcolumns) | ✔ | ✔ | +| [JSONCompactWithProgress](#jsoncompactwithprogress) | ✗ | ✔ | | [JSONEachRow](#jsoneachrow) | ✔ | ✔ | | [PrettyJSONEachRow](#prettyjsoneachrow) | ✗ | ✔ | | [JSONEachRowWithProgress](#jsoneachrowwithprogress) | ✗ | ✔ | @@ -925,6 +926,23 @@ Example: Columns that are not present in the block will be filled with default values (you can use [input_format_defaults_for_omitted_fields](/docs/en/operations/settings/settings-formats.md/#input_format_defaults_for_omitted_fields) setting here) +## JSONCompactWithProgress (#jsoncompactwithprogress) + +In this format, ClickHouse outputs each row as a separated, newline-delimited JSON Object. + +Each row is either a metadata object, data object, progress information or statistics object. + +Example: + +```json +{"meta": [{"name":"id", "type":"UInt32"}, {"name":"name", "type":"String"}]}} +{"progress":{"read_rows":"8","read_bytes":"168","written_rows":"0","written_bytes":"0","total_rows_to_read":"2","result_rows":"0","result_bytes":"0","elapsed_ns":"0"}} +{"data":["1", "John Doe"]} +{"data":["2", "Joe Doe"]} +{"statistics": {"rows":2, "rows_before_limit_at_least":8, "elapsed":0.001995, "rows_read":8, "bytes_read":168}} +``` + + ## JSONEachRow {#jsoneachrow} In this format, ClickHouse outputs each row as a separated, newline-delimited JSON Object.