haibow edited a comment on issue #4954: Support schema evolution for consuming segments URL: https://github.com/apache/incubator-pinot/pull/4954#issuecomment-577465296 > An interesting question to consider. What if the new column type added is a text type? (See PR#4993) Looks like for text search, the fieldSpec remains the same (STRING), which is covered. When schema is updated, we just need to make sure textIndexColumns in the mutable segment is updated, which seems doable. Update: it doesn't really matter whether textIndexColumns is updated or not - new columns in the consuming segments would always return default values anyways.
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