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Merge pull request #62456 from jaymebrd/add-hostname-blob_storage_log-system-table

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Add missing `hostname` column to `blob_storage_log` system table
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Robert Schulze 2024-04-10 13:08:00 +00:00 committed by GitHub
commit b072c8bc5c
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2 changed files with 5 additions and 0 deletions
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2
docs/en/operations/system-tables/blob_storage_log.md
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@ -7,6 +7,7 @@ Contains logging entries with information about various blob storage operations
Columns:
- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
- `event_date` ([Date](../../sql-reference/data-types/date.md)) — Date of the event.
- `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Time of the event.
- `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — Time of the event with microseconds precision.
@ -38,6 +39,7 @@ SELECT * FROM system.blob_storage_log WHERE query_id = '7afe0450-504d-4e4b-9a80-
```text
Row 1:
──────
hostname: clickhouse.eu-central1.internal
event_date: 2023-10-31
event_time: 2023-10-31 16:03:40
event_time_microseconds: 2023-10-31 16:03:40.481437

3
src/Interpreters/BlobStorageLog.cpp
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@ -1,4 +1,5 @@
#include <Interpreters/BlobStorageLog.h>
#include <base/getFQDNOrHostName.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeString.h>
@ -26,6 +27,7 @@ ColumnsDescription BlobStorageLogElement::getColumnsDescription()
return ColumnsDescription
{
{"hostname", std::make_shared<DataTypeLowCardinality>(std::make_shared<DataTypeString>()), "Hostname of the server executing the query."},
{"event_date", std::make_shared<DataTypeDate>(), "Date of the event."},
{"event_time", std::make_shared<DataTypeDateTime>(), "Time of the event."},
{"event_time_microseconds", std::make_shared<DataTypeDateTime64>(6), "Time of the event with microseconds precision."},
@ -51,6 +53,7 @@ void BlobStorageLogElement::appendToBlock(MutableColumns & columns) const
size_t i = 0;
auto event_time_seconds = timeInSeconds(event_time);
columns[i++]->insert(getFQDNOrHostName());
columns[i++]->insert(DateLUT::instance().toDayNum(event_time_seconds).toUnderType());
columns[i++]->insert(event_time_seconds);
columns[i++]->insert(Decimal64(timeInMicroseconds(event_time)));