suneet-s opened a new issue #9591: TransformSpec for metrics when re-indexing a datasource using ingestSegment appears to be broken URL: https://github.com/apache/druid/issues/9591 ### Affected Version 0.18 ### Description The following re-index spec spits out 0s for both "**double-deleted**" a transformation on a column "deleted" and "**one-plus-triple-deleted**" triple-deleted is a metric calculated from the original index job's transformSpec ``` { "type": "index", "spec": { "dataSchema": { "dataSource": "reindex-double-tfn-1", "metricsSpec": [ { "type": "doubleSum", "name": "added", "fieldName": "added" }, { "type": "doubleSum", "name": "triple-added", "fieldName": "triple-added" }, { "type": "doubleSum", "name": "one-plus-triple-added", "fieldName": "one-plus-triple-added" }, { "type": "doubleSum", "name": "deleted", "fieldName": "deleted" }, { "type": "doubleSum", "name": "double-deleted", "fieldName": "double-deleted" }, { "type": "doubleSum", "name": "delta", "fieldName": "delta" } ], "granularitySpec": { "segmentGranularity": "DAY", "queryGranularity": "second", "intervals" : [ "2013-08-31/2013-09-01" ] }, "parser": { "parseSpec": { "format" : "json", "timestampSpec": { "column": "timestamp", "format": "iso" }, "dimensionsSpec": { "dimensions": [ "page", {"type": "string", "name": "language", "createBitmapIndex": false}, "user", "unpatrolled", "newPage", "anonymous", "namespace", "country", "region", "city" ] }, "transformSpec": { "transforms": [ { "type": "expression", "name": "newPage", "expression": "page" }, { "type": "expression", "name": "one-plus-triple-added", "expression": "triple-added + 1" }, { "type": "expression", "name": "double-deleted", "expression": "deleted * 2" } ] } } } }, "ioConfig": { "type": "index", "firehose": { "type": "ingestSegment", "dataSource": "wiki-tests-2", "interval": "2013-08-31/2013-09-01" } }, "tuningConfig": { "type": "index" } } } ``` The ingest spec for wiki-tests-2 is the same as the one described in #9589
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