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fix clickhouse create table to use current syntax of the merge tree #20

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Merged
puzpuzpuz merged 1 commit into from
Oct 2, 2025
Merged

fix clickhouse create table to use current syntax of the merge tree #20

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22 changes: 14 additions & 8 deletions pkg/targets/clickhouse/creator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -137,13 +137,16 @@ func createMetricsTable(conf *ClickhouseConfig, db *sqlx.DB, tableName string, f

sql := fmt.Sprintf(`
CREATE TABLE %s (
created_date Date DEFAULT today(),
created_at DateTime DEFAULT now(),
time String,
tags_id UInt32,
%s,
additional_tags String DEFAULT ''
) ENGINE = MergeTree(created_date, (tags_id, created_at), 8192)
created_date Date DEFAULT today(),
created_at DateTime DEFAULT now(),
time String,
tags_id UInt32,
%s,
additional_tags String DEFAULT ''
) ENGINE = MergeTree()
ORDER BY (tags_id, created_at)
PARTITION BY created_date
SETTINGS index_granularity = 8192
`,
tableName,
strings.Join(columnsWithType, ","))
Expand Down Expand Up @@ -180,7 +183,10 @@ func generateTagsTableQuery(tagNames, tagTypes []string) string {
"created_at DateTime DEFAULT now(),\n"+
"id UInt32,\n"+
"%s"+
") ENGINE = MergeTree(created_date, (%s), 8192)",
") ENGINE = MergeTree()\n"+
"PARTITION BY created_date\n"+
"ORDER BY (%s)\n"+
"SETTINGS index_granularity = 8192",
cols,
index)
}
Expand Down
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