suneet-s opened a new issue #9593: Can not add a column when re-indexing a datasource using DruidInputSource URL: https://github.com/apache/druid/issues/9593 ### Affected Version 0.18 ### Description See the following ingestionSpec that can be used in Integration tests. The transformed column "newPage" does not show up in the dimensions for the new re-indexed dataSource. To work around this, I fall back to use the ingestSegmentFirehose instead ``` { "type": "index", "spec": { "ioConfig": { "type": "index", "inputSource": { "type": "druid", "dataSource": "%%DATASOURCE%%", "interval": "2013-08-31/2013-09-01" } }, "tuningConfig": { "type": "index", "partitionsSpec": { "type": "dynamic" } }, "dataSchema": { "dataSource": "%%REINDEX_DATASOURCE%%", "granularitySpec": { "type": "uniform", "queryGranularity": "SECOND", "segmentGranularity": "DAY" }, "timestampSpec": { "column": "__time", "format": "iso" }, "dimensionsSpec": { "dimensions": [ {"type": "string", "name": "language", "createBitmapIndex": false}, "user", "unpatrolled", "page", "newPage", "anonymous", "namespace", "country", "region", "city" ], "dimensionExclusions" : ["robot", "continent"] }, "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" } ] }, "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" } ] } } } ```
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