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Posted to commits@iceberg.apache.org by bl...@apache.org on 2021/01/28 18:54:10 UTC

[iceberg] branch asf-site updated: Deployed a350eec42 with MkDocs version: 1.0.4

This is an automated email from the ASF dual-hosted git repository.

blue pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/iceberg.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 96a6b60  Deployed a350eec42 with MkDocs version: 1.0.4
96a6b60 is described below

commit 96a6b604eda2646a2d4fe04a9b2054f637d55373
Author: Ryan Blue <bl...@apache.org>
AuthorDate: Thu Jan 28 10:53:48 2021 -0800

    Deployed a350eec42 with MkDocs version: 1.0.4
---
 evolution/index.html |   4 ++--
 sitemap.xml.gz       | Bin 229 -> 229 bytes
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/evolution/index.html b/evolution/index.html
index 6bad2b6..54b9a8b 100644
--- a/evolution/index.html
+++ b/evolution/index.html
@@ -431,10 +431,10 @@
 <li><strong>Update</strong> &ndash; widen the type of a column, struct field, map key, map value, or list element</li>
 <li><strong>Reorder</strong> &ndash; change the order of columns or fields in a nested struct</li>
 </ul>
-<p>Iceberg schema updates are metadata changes. Data files are not eagerly rewritten.</p>
+<p>Iceberg schema updates are <strong>metadata changes</strong>, so no data files need to be rewritten to perform the update.</p>
 <p>Note that map keys do not support adding or dropping struct fields that would change equality.</p>
 <h3 id="correctness">Correctness<a class="headerlink" href="#correctness" title="Permanent link">&para;</a></h3>
-<p>Iceberg guarantees that <strong>schema evolution changes are independent and free of side-effects</strong>:</p>
+<p>Iceberg guarantees that <strong>schema evolution changes are independent and free of side-effects</strong>, without rewriting files:</p>
 <ol>
 <li>Added columns never read existing values from another column.</li>
 <li>Dropping a column or field does not change the values in any other column.</li>
diff --git a/sitemap.xml.gz b/sitemap.xml.gz
index 984fb63..6879864 100644
Binary files a/sitemap.xml.gz and b/sitemap.xml.gz differ