Remove single-table mode

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

.gitlab-ci.yml

@@ -19,7 +19,7 @@ build:
     reports:
       dotenv: job.env
   rules:
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH"
 
 release:
   image: registry.gitlab.com/gitlab-org/release-cli
@@ -40,3 +40,5 @@ release:
           url: "https://git.karaolidis.com/karaolidis/telegraf-clickhouse-plugin/-/jobs/$JOB_ID/artifacts/raw/telegraf-clickhouse-plugin-linux-amd64"
         - name: "telegraf-clickhouse-plugin-linux-arm64"
           url: "https://git.karaolidis.com/karaolidis/telegraf-clickhouse-plugin/-/jobs/$JOB_ID/artifacts/raw/telegraf-clickhouse-plugin-linux-arm64"
+  rules:
+    - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH"

plugins/outputs/clickhouse/clickhouse.go

@@ -206,7 +206,7 @@ func (ch *ClickHouse) generateCreateTable(tablename string, columns *orderedmap.
 		columnDefs = append(columnDefs, fmt.Sprintf("%s %s", quoteIdent(pair.Key), ch.toNullable(pair)))
 	}
 
-	orderBy := make([]string, 0, 3)
+	orderBy := make([]string, 0, 2)
 	if _, ok := columns.Get("host"); ok {
 		orderBy = append(orderBy, "host")
 	}