vvysotskyi commented on a change in pull request #1986: Additional changes for
Drill Metastore docs
URL: https://github.com/apache/drill/pull/1986#discussion_r387086209
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File path:
_docs/performance-tuning/drill-metastore/010-using-drill-metastore.md
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@@ -10,6 +10,31 @@ The Metastore is a Beta feature; it is subject to change.
We encourage you to tr
Because the Metastore is in Beta, the SQL commands and Metastore formats may
change in the next release.
{% include startnote.html %}In Drill 1.17, this feature is supported for
Parquet tables only and is disabled by default.{% include endnote.html %}
+## Drill Metastore introduction
+
+One of the main advantages of Drill is schema-on-read. But Drill can’t handle
some cases with this approach, there are the issues related to Schema Evolution
and Schema Changes.
Review comment:
Thanks, removed capitalization here and replaced schema changes with
ambiguous schema.
This is definitely useful info about the ambiguous schema and how and why
Drill falls into this data trap, but I think it should be placed on a separate
page, not in the Drill Metastore introduction.
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