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Posted to commits@iceberg.apache.org by gi...@apache.org on 2022/06/03 15:31:48 UTC
[iceberg-docs] branch asf-site updated: deploy: 35aa3656662d3573e892c8e09fc235478ef10c9b
This is an automated email from the ASF dual-hosted git repository.
github-bot pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/iceberg-docs.git
The following commit(s) were added to refs/heads/asf-site by this push:
new bc64f59 deploy: 35aa3656662d3573e892c8e09fc235478ef10c9b
bc64f59 is described below
commit bc64f59b2eca275beea03e715ad1cbabc926faee
Author: rdblue <rd...@users.noreply.github.com>
AuthorDate: Fri Jun 3 15:31:44 2022 +0000
deploy: 35aa3656662d3573e892c8e09fc235478ef10c9b
---
about/about/index.html | 2 +-
about/index.xml | 2 +-
benchmarks/index.html | 2 +-
blogs/index.html | 2 +-
common/index.xml | 3 +-
community/index.html | 2 +-
contribute/index.html | 2 +-
how-to-release/index.html | 2 +-
how-to-verify-a-release/index.html | 2 +-
index.html | 2 +-
index.xml | 7 +-
multi-engine-support/index.html | 2 +-
releases/index.html | 2 +-
roadmap/index.html | 2 +-
security/index.html | 2 +-
services/data-compaction/index.html | 2 +-
services/expressive-sql/index.html | 2 +-
services/hidden-partitioning/index.html | 2 +-
services/index.xml | 2 +-
services/schema-evolution/index.html | 2 +-
services/time-travel/index.html | 2 +-
sitemap.xml | 2 +-
spec/index.html | 14 ++--
talks/index.html | 2 +-
terms/index.html | 2 +-
trademarks/index.html | 2 +-
view-spec/index.html | 135 ++++++++++++++++++++++++++++++++
27 files changed, 171 insertions(+), 34 deletions(-)
diff --git a/about/about/index.html b/about/about/index.html
index a638680..60bf73f 100644
--- a/about/about/index.html
+++ b/about/about/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>What is Iceberg?</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceb [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>What is Iceberg?</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceb [...]
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diff --git a/about/index.xml b/about/index.xml
index 0f289e2..ef8977d 100644
--- a/about/index.xml
+++ b/about/index.xml
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Abouts on Apache Iceberg</title><link>https://iceberg.apache.org/about/</link><description>Recent content in Abouts on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/about/index.xml" rel="self" type="application/rss+xml"/><item><title>What is Iceberg?</title><link>https [...]
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+<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Abouts on Apache Iceberg</title><link>https://iceberg.apache.org/about/</link><description>Recent content in Abouts on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/about/index.xml" rel="self" type="application/rss+xml"/><item><title>What is Iceberg?</title><link>https [...]
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diff --git a/benchmarks/index.html b/benchmarks/index.html
index 8cdff84..7dcd0fb 100644
--- a/benchmarks/index.html
+++ b/benchmarks/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Benchmarks</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.ap [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Benchmarks</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.ap [...]
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diff --git a/blogs/index.html b/blogs/index.html
index 44d4803..10bfa3d 100644
--- a/blogs/index.html
+++ b/blogs/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/common/index.xml b/common/index.xml
index b86783f..0986caf 100644
--- a/common/index.xml
+++ b/common/index.xml
@@ -17,7 +17,8 @@ Why You Shouldn’t Care About Iceberg | Tabular Date: March 24, 2022, Authors:
Expert Roundtable: The Future of Metadata After Hive Metastore Date: November 15, 2021, Authors: Lior Ebel, Seshu Adunuthula, Ryan Blue &amp; Oz Katz
Presto and Apache Iceberg: Building out Modern Open Data Lakes Date: November 10, 2021, Authors: Daniel Weeks, Chunxu Tang</description></item><item><title/><link>https://iceberg.apache.org/terms/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/terms/</guid><description>Terms Snapshot A snapshot is the state of a table at some time.
Each snapshot lists all of the data files that make up the table&rsquo;s contents at the time of the snapshot. Data files are stored across multiple manifest files, and the manifests for a snapshot are listed in a single manifest list file.
-Manifest list A manifest list is a metadata file that lists the manifests that make up a table snapshot.</description></item><item><title>Benchmarks</title><link>https://iceberg.apache.org/benchmarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/benchmarks/</guid><description>Available Benchmarks and how to run them Benchmarks are located under &lt;project-name&gt;/jmh. It is generally favorable to only run the tests of interest rather [...]
+Manifest list A manifest list is a metadata file that lists the manifests that make up a table snapshot.</description></item><item><title/><link>https://iceberg.apache.org/view-spec/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/view-spec/</guid><description>Iceberg View Spec Background and Motivation Most compute engines (e.g. Trino and Apache Spark) support views. A view is a logical table that can be referenced by future queries. Views do not [...]
+Each compute engine stores the metadata of the view in its proprietary format in the metastore of choice.</description></item><item><title>Benchmarks</title><link>https://iceberg.apache.org/benchmarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/benchmarks/</guid><description>Available Benchmarks and how to run them Benchmarks are located under &lt;project-name&gt;/jmh. It is generally favorable to only run the tests of interest rather [...]
Running Benchmarks on GitHub It is possible to run one or more Benchmarks via the JMH Benchmarks GH action on your own fork of the Iceberg repo.</description></item><item><title>How To Release</title><link>https://iceberg.apache.org/how-to-release/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/how-to-release/</guid><description>Setup To create a release candidate, you will need:
Apache LDAP credentals for Nexus and SVN A GPG key for signing, published in KEYS If you have not published your GPG key yet, you must publish it before sending the vote email by doing:
svn co https://dist.apache.org/repos/dist/dev/iceberg icebergsvn cd icebergsvn echo &#34;&#34; &gt;&gt; KEYS # append a newline gpg --list-sigs &lt;YOUR KEY ID HERE&gt; &gt;&gt; KEYS # append signatures gpg --armor --export &lt;YOUR KEY ID HERE&gt; &gt;&gt; KEYS # append public key block svn commit -m &#34;add key for &lt;YOUR NAME HERE&gt;&#34; Nexus access Nexus credentials are configured in your personal ~/.</description> [...]
diff --git a/community/index.html b/community/index.html
index 529ef2d..d85da82 100644
--- a/community/index.html
+++ b/community/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/contribute/index.html b/contribute/index.html
index 849e111..071436c 100644
--- a/contribute/index.html
+++ b/contribute/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/how-to-release/index.html b/how-to-release/index.html
index c297cd2..a6fe1e1 100644
--- a/how-to-release/index.html
+++ b/how-to-release/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>How To Release</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceber [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>How To Release</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceber [...]
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diff --git a/how-to-verify-a-release/index.html b/how-to-verify-a-release/index.html
index b139bf1..502b542 100644
--- a/how-to-verify-a-release/index.html
+++ b/how-to-verify-a-release/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/index.html b/index.html
index d5c5ab0..903efb5 100644
--- a/index.html
+++ b/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta name=generator content="Hugo 0.99.1"><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Apache Iceberg</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.c [...]
+<!doctype html><html><head><meta name=generator content="Hugo 0.100.1"><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Apache Iceberg</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown. [...]
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diff --git a/index.xml b/index.xml
index 2171137..69dbde8 100644
--- a/index.xml
+++ b/index.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Apache Iceberg</title><link>https://iceberg.apache.org/</link><description>Recent content on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/index.xml" rel="self" type="application/rss+xml"/><item><title>Expressive SQL</title><link>https://iceberg.apache.org/services/exp [...]
+<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Apache Iceberg</title><link>https://iceberg.apache.org/</link><description>Recent content on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/index.xml" rel="self" type="application/rss+xml"/><item><title>Expressive SQL</title><link>https://iceberg.apache.org/services/exp [...]
0.13.1 source tar.gz &ndash; signature &ndash; sha512 0.13.1 Spark 3.2 runtime Jar 0.13.1 Spark 3.1 runtime Jar 0.13.1 Spark 3.0 runtime Jar 0.13.1 Spark 2.4 runtime Jar 0.13.1 Flink 1.14 runtime Jar 0.13.1 Flink 1.13 runtime Jar 0.13.1 Flink 1.12 runtime Jar 0.13.1 Hive runtime Jar To use Iceberg in Spark or Flink, download the runtime JAR for your engine version and add it to the jars folder of your installation.</description></item><item><title/><link>https://iceberg.apache.or [...]
Introducing Apache Iceberg in Cloudera Data Platform Date: February 23rd, 2022, Company: Cloudera
Authors: Bill Zhang, Peter Vary, Marton Bod, Wing Yew Poon
@@ -17,11 +17,12 @@ Why You Shouldn’t Care About Iceberg | Tabular Date: March 24, 2022, Authors:
Expert Roundtable: The Future of Metadata After Hive Metastore Date: November 15, 2021, Authors: Lior Ebel, Seshu Adunuthula, Ryan Blue &amp; Oz Katz
Presto and Apache Iceberg: Building out Modern Open Data Lakes Date: November 10, 2021, Authors: Daniel Weeks, Chunxu Tang</description></item><item><title/><link>https://iceberg.apache.org/terms/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/terms/</guid><description>Terms Snapshot A snapshot is the state of a table at some time.
Each snapshot lists all of the data files that make up the table&rsquo;s contents at the time of the snapshot. Data files are stored across multiple manifest files, and the manifests for a snapshot are listed in a single manifest list file.
-Manifest list A manifest list is a metadata file that lists the manifests that make up a table snapshot.</description></item><item><title>Benchmarks</title><link>https://iceberg.apache.org/benchmarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/benchmarks/</guid><description>Available Benchmarks and how to run them Benchmarks are located under &lt;project-name&gt;/jmh. It is generally favorable to only run the tests of interest rather [...]
+Manifest list A manifest list is a metadata file that lists the manifests that make up a table snapshot.</description></item><item><title/><link>https://iceberg.apache.org/view-spec/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/view-spec/</guid><description>Iceberg View Spec Background and Motivation Most compute engines (e.g. Trino and Apache Spark) support views. A view is a logical table that can be referenced by future queries. Views do not [...]
+Each compute engine stores the metadata of the view in its proprietary format in the metastore of choice.</description></item><item><title>Benchmarks</title><link>https://iceberg.apache.org/benchmarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/benchmarks/</guid><description>Available Benchmarks and how to run them Benchmarks are located under &lt;project-name&gt;/jmh. It is generally favorable to only run the tests of interest rather [...]
Running Benchmarks on GitHub It is possible to run one or more Benchmarks via the JMH Benchmarks GH action on your own fork of the Iceberg repo.</description></item><item><title>How To Release</title><link>https://iceberg.apache.org/how-to-release/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/how-to-release/</guid><description>Setup To create a release candidate, you will need:
Apache LDAP credentals for Nexus and SVN A GPG key for signing, published in KEYS If you have not published your GPG key yet, you must publish it before sending the vote email by doing:
svn co https://dist.apache.org/repos/dist/dev/iceberg icebergsvn cd icebergsvn echo &#34;&#34; &gt;&gt; KEYS # append a newline gpg --list-sigs &lt;YOUR KEY ID HERE&gt; &gt;&gt; KEYS # append signatures gpg --armor --export &lt;YOUR KEY ID HERE&gt; &gt;&gt; KEYS # append public key block svn commit -m &#34;add key for &lt;YOUR NAME HERE&gt;&#34; Nexus access Nexus credentials are configured in your personal ~/.</description> [...]
Multi-Version Support Processing engine connectors maintained in the iceberg repository are built for multiple versions.</description></item><item><title>Roadmap</title><link>https://iceberg.apache.org/roadmap/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/roadmap/</guid><description>Roadmap Overview This roadmap outlines projects that the Iceberg community is working on, their priority, and a rough size estimate. This is based on the latest com [...]
Priority 1 API: Iceberg 1.0.0 [medium] Spark: Merge-on-read plans [large] Maintenance: Delete file compaction [medium] Flink: Upgrade to 1.</description></item><item><title>Security</title><link>https://iceberg.apache.org/security/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/security/</guid><description>Reporting Security Issues The Apache Iceberg Project uses the standard process outlined by the Apache Security Team for reporting vulnerabilit [...]
To report a possible security vulnerability, please email security@iceberg.apache.org.
-Verifying Signed Releases Please refer to the instructions on the Release Verification page.</description></item><item><title>Trademarks</title><link>https://iceberg.apache.org/trademarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/trademarks/</guid><description>Trademarks Apache Iceberg, Iceberg, Apache, the Apache feather logo, and the Apache Iceberg project logo are either registered trademarks or trademarks of The Apache Software Foundati [...]
\ No newline at end of file
+Verifying Signed Releases Please refer to the instructions on the Release Verification page.</description></item><item><title>Trademarks</title><link>https://iceberg.apache.org/trademarks/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://iceberg.apache.org/trademarks/</guid><description>Trademarks Apache Iceberg, Iceberg, Apache, the Apache feather logo, and the Apache Iceberg project logo are either registered trademarks or trademarks of The Apache Software Foundati [...]
\ No newline at end of file
diff --git a/multi-engine-support/index.html b/multi-engine-support/index.html
index 220732e..a506c20 100644
--- a/multi-engine-support/index.html
+++ b/multi-engine-support/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Multi-Engine Support</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https:// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Multi-Engine Support</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https:// [...]
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diff --git a/releases/index.html b/releases/index.html
index 2a26a80..4b8ccb5 100644
--- a/releases/index.html
+++ b/releases/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/roadmap/index.html b/roadmap/index.html
index aad3c58..c2e6208 100644
--- a/roadmap/index.html
+++ b/roadmap/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Roadmap</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apach [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Roadmap</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apach [...]
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diff --git a/security/index.html b/security/index.html
index 97bdf53..859a278 100644
--- a/security/index.html
+++ b/security/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Security</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apac [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Security</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apac [...]
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diff --git a/services/data-compaction/index.html b/services/data-compaction/index.html
index 293f48a..5072595 100644
--- a/services/data-compaction/index.html
+++ b/services/data-compaction/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Data Compaction</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://icebe [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Data Compaction</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://icebe [...]
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diff --git a/services/expressive-sql/index.html b/services/expressive-sql/index.html
index da7f9e8..c3a4870 100644
--- a/services/expressive-sql/index.html
+++ b/services/expressive-sql/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Expressive SQL</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceber [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Expressive SQL</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceber [...]
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diff --git a/services/hidden-partitioning/index.html b/services/hidden-partitioning/index.html
index f6bac2e..c3c06b8 100644
--- a/services/hidden-partitioning/index.html
+++ b/services/hidden-partitioning/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Hidden Partitioning</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://i [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Hidden Partitioning</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://i [...]
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diff --git a/services/index.xml b/services/index.xml
index 6605ca5..e2bea62 100644
--- a/services/index.xml
+++ b/services/index.xml
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Services on Apache Iceberg</title><link>https://iceberg.apache.org/services/</link><description>Recent content in Services on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/services/index.xml" rel="self" type="application/rss+xml"/><item><title>Expressive SQL</title><li [...]
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Services on Apache Iceberg</title><link>https://iceberg.apache.org/services/</link><description>Recent content in Services on Apache Iceberg</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><atom:link href="https://iceberg.apache.org/services/index.xml" rel="self" type="application/rss+xml"/><item><title>Expressive SQL</title><li [...]
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diff --git a/services/schema-evolution/index.html b/services/schema-evolution/index.html
index 29c2339..a05ef21 100644
--- a/services/schema-evolution/index.html
+++ b/services/schema-evolution/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Full Schema Evolution</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https:/ [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Full Schema Evolution</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https:/ [...]
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diff --git a/services/time-travel/index.html b/services/time-travel/index.html
index 40899da..5dc6901 100644
--- a/services/time-travel/index.html
+++ b/services/time-travel/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Time Travel and Rollback</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=http [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Time Travel and Rollback</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=http [...]
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diff --git a/sitemap.xml b/sitemap.xml
index afe5491..81f1b06 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml"><url><loc>https://iceberg.apache.org/services/expressive-sql/</loc></url><url><loc>https://iceberg.apache.org/services/schema-evolution/</loc></url><url><loc>https://iceberg.apache.org/services/hidden-partitioning/</loc></url><url><loc>https://iceberg.apache.org/services/time-travel/</loc></url><url><loc>https://iceberg.apache.org/s [...]
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+<?xml version="1.0" encoding="utf-8" standalone="yes"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml"><url><loc>https://iceberg.apache.org/services/expressive-sql/</loc></url><url><loc>https://iceberg.apache.org/services/schema-evolution/</loc></url><url><loc>https://iceberg.apache.org/services/hidden-partitioning/</loc></url><url><loc>https://iceberg.apache.org/services/time-travel/</loc></url><url><loc>https://iceberg.apache.org/s [...]
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diff --git a/spec/index.html b/spec/index.html
index f398b61..bbbf989 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -1,13 +1,13 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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-<a class="page-scroll navbar-brand" href=https://iceberg.apache.org/><img class=top-navbar-logo src=https://iceberg.apache.org//img/iceberg-logo-icon.png> Apache Iceberg</a></div><div class="collapse navbar-collapse" id=bs-example-navbar-collapse-1><ul class="nav navbar-nav navbar-right"><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest>Docs</a></li><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest/getting-started/>Spark</a></li><li><a class=page-scr [...]
-</code></pre><p>Notes:</p><ol><li>Changing the number of buckets as a table grows is possible by evolving the partition spec.</li></ol><p>For hash function details by type, see Appendix B.</p><h4 id=truncate-transform-details>Truncate Transform Details</h4><table><thead><tr><th><strong>Type</strong></th><th><strong>Config</strong></th><th><strong>Truncate specification</strong></th><th><strong>Examples</strong></th></tr></thead><tbody><tr><td><strong><code>int</code></strong></td><td><co [...]
+<a class="page-scroll navbar-brand" href=https://iceberg.apache.org/><img class=top-navbar-logo src=https://iceberg.apache.org//img/iceberg-logo-icon.png> Apache Iceberg</a></div><div class="collapse navbar-collapse" id=bs-example-navbar-collapse-1><ul class="nav navbar-nav navbar-right"><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest>Docs</a></li><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest/getting-started/>Spark</a></li><li><a class=page-scr [...]
+</code></pre><p>Notes:</p><ol><li>Changing the number of buckets as a table grows is possible by evolving the partition spec.</li></ol><p>For hash function details by type, see Appendix B.</p><h4 id=truncate-transform-details>Truncate Transform Details</h4><table><thead><tr><th><strong>Type</strong></th><th><strong>Config</strong></th><th><strong>Truncate specification</strong></th><th><strong>Examples</strong></th></tr></thead><tbody><tr><td><strong><code>int</code></strong></td><td><co [...]
Tags are labels for individual snapshots. Branches are mutable named references that can be updated by committing a new snapshot as the branch’s referenced snapshot using the <a href=#commit-conflict-resolution-and-retry>Commit Conflict Resolution and Retry</a> procedures.</p><p>The snapshot reference object records all the information of a reference including snapshot ID, reference type and <a href=#snapshot-retention-policy>Snapshot Retention Policy</a>.</p><table><thead><tr><th> [...]
The snapshot expiration procedure removes snapshots from table metadata and applies the table’s retention policy.
-Retention policy can be configured both globally and on snapshot reference through properties <code>min-snapshots-to-keep</code>, <code>max-snapshot-age-ms</code> and <code>max-ref-age-ms</code>.</p><p>When expiring snapshots, retention policies in table and snapshot references are evaluated in the following way:</p><ol><li>Start with an empty set of snapshots to retain</li><li>Remove any refs (other than main) where the referenced snapshot is older than <code>max-ref-age-ms</code></li>< [...]
+Retention policy can be configured both globally and on snapshot reference through properties <code>min-snapshots-to-keep</code>, <code>max-snapshot-age-ms</code> and <code>max-ref-age-ms</code>.</p><p>When expiring snapshots, retention policies in table and snapshot references are evaluated in the following way:</p><ol><li>Start with an empty set of snapshots to retain</li><li>Remove any refs (other than main) where the referenced snapshot is older than <code>max-ref-age-ms</code></li>< [...]
</span></span><span style=display:flex><span>-------|-------------|---------
</span></span><span style=display:flex><span> 1 | marsupial | Koala
</span></span><span style=display:flex><span> 2 | toy | Teddy
@@ -28,12 +28,12 @@ Retention policy can be configured both globally and on snapshot reference throu
</span></span><span style=display:flex><span> 1: id | 2: category | 3: name
</span></span><span style=display:flex><span>-------|-------------|---------
</span></span><span style=display:flex><span> 4 | NULL | Polar
-</span></span></code></pre></div><p>If a delete column in an equality delete file is later dropped from the table, it must still be used when applying the equality deletes. If a column was added to a table and later used as a delete column in an equality delete file, the column value is read for older data files using normal projection rules (defaults to <code>null</code>).</p><h4 id=delete-file-stats>Delete File Stats</h4><p>Manifests hold the same statistics for delete files and data f [...]
+</span></span></code></pre></div><p>If a delete column in an equality delete file is later dropped from the table, it must still be used when applying the equality deletes. If a column was added to a table and later used as a delete column in an equality delete file, the column value is read for older data files using normal projection rules (defaults to <code>null</code>).</p><h4 id=delete-file-stats>Delete File Stats</h4><p>Manifests hold the same statistics for delete files and data f [...]
Hash results are not dependent on decimal scale, which is part of the type, not the data value.</li><li>UUIDs are encoded using big endian. The test UUID for the example above is: <code>f79c3e09-677c-4bbd-a479-3f349cb785e7</code>. This UUID encoded as a byte array is:
-<code>F7 9C 3E 09 67 7C 4B BD A4 79 3F 34 9C B7 85 E7</code></li><li>Float hash values are the result of hashing the float cast to double to ensure that schema evolution does not change hash values if float types are promoted.</li></ol><h2 id=appendix-c-json-serialization>Appendix C: JSON serialization</h2><h3 id=schemas>Schemas</h3><p>Schemas are serialized as a JSON object with the same fields as a struct in the table below, and the following additional fields:</p><table><thead><tr><th [...]
+<code>F7 9C 3E 09 67 7C 4B BD A4 79 3F 34 9C B7 85 E7</code></li><li>Float hash values are the result of hashing the float cast to double to ensure that schema evolution does not change hash values if float types are promoted.</li></ol><h2 id=appendix-c-json-serialization>Appendix C: JSON serialization</h2><h3 id=schemas>Schemas</h3><p>Schemas are serialized as a JSON object with the same fields as a struct in the table below, and the following additional fields:</p><table><thead><tr><th [...]
</span></span><span style=display:flex><span> { <span style=color:#f92672>"field-id"</span>: <span style=color:#ae81ff>2</span>, <span style=color:#f92672>"names"</span>: [<span style=color:#e6db74>"data"</span>] },
</span></span><span style=display:flex><span> { <span style=color:#f92672>"field-id"</span>: <span style=color:#ae81ff>3</span>, <span style=color:#f92672>"names"</span>: [<span style=color:#e6db74>"location"</span>], <span style=color:#f92672>"fields"</span>: [
</span></span><span style=display:flex><span> { <span style=color:#f92672>"field-id"</span>: <span style=color:#ae81ff>4</span>, <span style=color:#f92672>"names"</span>: [<span style=color:#e6db74>"latitude"</span>, <span style=color:#e6db74>"lat"</span>] },
</span></span><span style=display:flex><span> { <span style=color:#f92672>"field-id"</span>: <span style=color:#ae81ff>5</span>, <span style=color:#f92672>"names"</span>: [<span style=color:#e6db74>"longitude"</span>, <span style=color:#e6db74>"long"</span>] }
</span></span><span style=display:flex><span> ] } ]
-</span></span></code></pre></div><h2 id=appendix-d-single-value-serialization>Appendix D: Single-value serialization</h2><p>This serialization scheme is for storing single values as individual binary values in the lower and upper bounds maps of manifest files.</p><table><thead><tr><th>Type</th><th>Binary serialization</th></tr></thead><tbody><tr><td><strong><code>boolean</code></strong></td><td><code>0x00</code> for false, non-zero byte for true</td></tr><tr><td><strong><code>int</code>< [...]
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+</span></span></code></pre></div><h2 id=appendix-d-single-value-serialization>Appendix D: Single-value serialization</h2><h3 id=binary-single-value-serialization>Binary single-value serialization</h3><p>This serialization scheme is for storing single values as individual binary values in the lower and upper bounds maps of manifest files.</p><table><thead><tr><th>Type</th><th>Binary serialization</th></tr></thead><tbody><tr><td><strong><code>boolean</code></strong></td><td><code>0x00</cod [...]
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diff --git a/talks/index.html b/talks/index.html
index c7ceea9..d88846d 100644
--- a/talks/index.html
+++ b/talks/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/terms/index.html b/terms/index.html
index 53746bf..a0f6165 100644
--- a/terms/index.html
+++ b/terms/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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diff --git a/trademarks/index.html b/trademarks/index.html
index 8eef4eb..8a2e31a 100644
--- a/trademarks/index.html
+++ b/trademarks/index.html
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-<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title>Trademarks</title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.ap [...]
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+<!doctype html><html><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=author content><title></title><link href=https://iceberg.apache.org//css/bootstrap.css rel=stylesheet><link href=https://iceberg.apache.org//css/landing-page.css rel=stylesheet><link href=https://iceberg.apache.org//css/markdown.css rel=stylesheet><link href=https://iceberg.apache.org// [...]
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+<a class="page-scroll navbar-brand" href=https://iceberg.apache.org/><img class=top-navbar-logo src=https://iceberg.apache.org//img/iceberg-logo-icon.png> Apache Iceberg</a></div><div class="collapse navbar-collapse" id=bs-example-navbar-collapse-1><ul class="nav navbar-nav navbar-right"><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest>Docs</a></li><li><a class=page-scroll href=https://iceberg.apache.org/docs/latest/getting-started/>Spark</a></li><li><a class=page-scr [...]
+Each metadata file is self-sufficient. It contains the history of the last few operations performed on the view and can be used to roll back the view to a previous version.</p><h3 id=metadata-location>Metadata Location</h3><p>An atomic swap of one view metadata file for another provides the basis for making atomic changes. Readers use the version of the view that was current when they loaded the view metadata and are not affected by changes until they refresh and pick up a new metadata l [...]
+The rest of the fields are interpreted based on the type.
+There is only one type of representation defined in the spec.</p><h5 id=original-view-definition-in-sql>Original View Definition in SQL</h5><p>This type of representation stores the original view definition in SQL and its SQL dialect.</p><table><thead><tr><th>Required/Optional</th><th>Field Name</th><th>Description</th></tr></thead><tbody><tr><td>Required</td><td>type</td><td>A string indicating the type of representation. It is set to “sql” for this type.</td></tr><tr><td>Re [...]
+the field aliases are ‘alias_name’, ‘alias_name2’, and etc., and the field docs are ‘docs’, null, and etc.</p><h2 id=appendix-a-an-example>Appendix A: An Example</h2><p>The JSON metadata file format is described using an example below.</p><p>Imagine the following sequence of operations:</p><ul><li><code>CREATE TABLE base_tab(c1 int, c2 varchar);</code></li><li><code>INSERT INTO base_tab VALUES (1,’one’), (2,’two’);</code></li><li><code>CREATE VIEW comm [...]
+<code>s3://my_company/my/warehouse/anorwood.db/common_view</code></p><p>The path is intentionally similar to the path for iceberg tables and contains a ‘metadata’ directory. (<code>METASTORE_WAREHOUSE_DIR/<dbname>.db/<viewname>/metadata</code>)</p><p>The metadata directory contains View Version Metadata files. The text after ‘=>’ symbols describes the fields.</p><pre tabindex=0><code>{
+ "format-version" : 1, => JSON format. Will change as format evolves.
+ "location" : "s3n://my_company/my/warehouse/anorwood.db/common_view",
+ "current-version-id" : 1, => current / latest version of the view. ‘1’ here since this metadata was created when the view was created.
+ "properties" : { => shows properties of the view
+ "comment" : "View captures all the data from the table" => View comment
+ },
+ "versions" : [ { => Last few versions of the view.
+ "version-id" : 1,
+ "parent-version-id" : -1,
+ "timestamp-ms" : 1573518431292,
+ "summary" : {
+ "operation" : "create", => View operation that caused this metadata to be created
+ "engineVersion" : "presto-350", => Version of the engine that performed the operation (create / replace)
+ },
+ "representations" : [ { => SQL metadata of the view
+ "type" : "sql",
+ "sql" : "SELECT *\nFROM\n base_tab\n", => original view SQL
+ "dialect" : "presto",
+ "schema-id" : 1,
+ "default-catalog" : "iceberg",
+ "default-namespace" : [ "anorwood" ]
+ } ],
+ } ],
+ "version-log" : [ { => Log of the created versions
+ "timestamp-ms" : 1573518431292,
+ "version-id" : 1
+ } ],
+ "schemas": [ { => Schema of the view expressed in Iceberg types
+ "schema-id": 1,
+ "type" : "struct",
+ "fields" : [ {
+ "id" : 0,
+ "name" : "c1",
+ "required" : false,
+ "type" : "int",
+ "doc" : "" => Column comment
+ }, {
+ "id" : 1,
+ "name" : "c2",
+ "required" : false,
+ "type" : "string",
+ "doc" : ""
+ } ]
+ } ],
+ "current-schema-id": 1
+}
+</code></pre><p>The Iceberg / view library creates a new metadata JSON file every time the view undergoes a DDL change. This way the history of how the view evolved can be maintained. Following metadata JSON file was created at the end of Step 4.</p><pre tabindex=0><code>{
+ "format-version" : 1,
+ "location" : "s3n://my_company/my/warehouse/anorwood.db/common_view",
+ "current-version-id" : 2,
+ "properties" : { => shows properties of the view
+ "comment" : "View captures count of the data from the table"
+ },
+ "versions" : [ {
+ "version-id" : 1,
+ "parent-version-id" : -1,
+ "timestamp-ms" : 1573518431292,
+ "summary" : {
+ "operation" : "create",
+ "engineVersion" : "presto-350",
+ },
+ "representations" : [ {
+ "type" : "sql",
+ "sql" : "SELECT *\nFROM\n base_tab\n",
+ "dialect" : "presto",
+ "schema-id" : 1,
+ "default-catalog" : "iceberg",
+ "default-namespace" : [ "anorwood" ]
+ } ],
+ "properties" : { }
+ }, {
+ "version-id" : 2,
+ "parent-version-id" : 1, => Version 2 was created on top of version 1, making parent-version-id 1
+ "timestamp-ms" : 1573518440265,
+ "summary" : {
+ "operation" : "replace", => The ‘replace’ operation caused this latest version creation
+ "engineVersion" : "spark-2.4.4",
+ },
+ "representations" : [ {
+ "type" : "sql",
+ "sql" : "SELECT \"count\"(*) my_cnt\nFROM\n base_tab\n", => Note the updated text from the ‘replace’ view statement
+ "dialect" : "spark",
+ "schema-id" : 2,
+ "default-catalog" : "iceberg",
+ "default-namespace" : [ "anorwood" ]
+ },
+ } ],
+ "version-log" : [ {
+ "timestamp-ms" : 1573518431292,
+ "version-id" : 1
+ }, {
+ "timestamp-ms" : 1573518440265,
+ "version-id" : 2
+ } ],
+ "schemas": [ { => Schema of the view expressed in Iceberg types
+ "schema-id": 1,
+ "type" : "struct",
+ "fields" : [ {
+ "id" : 0,
+ "name" : "c1",
+ "required" : false,
+ "type" : "int",
+ "doc" : "" => Column comment
+ }, {
+ "id" : 1,
+ "name" : "c2",
+ "required" : false,
+ "type" : "string",
+ "doc" : ""
+ } ]
+ }, { => Schema change is reflected here
+ "schema-id": 2,
+ "type" : "struct",
+ "fields" : [ {
+ "id" : 0,
+ "name" : "my_cnt",
+ "required" : false,
+ "type" : "long",
+ "doc" : ""
+ } ]
+ } ],
+ "current-schema-id": 2
+}
+</code></pre></div></div></body></html>
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