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help / color / mirror / Atom feedFrom: Alvaro Herrera <[email protected]>
Subject: [PATCH v6] Highlight vacuum consideration in create index docs
Date: Mon, 30 Nov 2020 18:50:06 -0300
Per James Coleman
---
doc/src/sgml/ref/create_index.sgml | 5 +++++
doc/src/sgml/ref/reindex.sgml | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 2054d5d943..d951f14b09 100644
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -829,6 +829,11 @@ Indexes:
to remove an index.
</para>
+ <para>
+ Like any long-running transaction, <command>CREATE INDEX</command> can
+ affect which tuples can be removed by concurrent <command>VACUUM</command>.
+ </para>
+
<para>
Prior releases of <productname>PostgreSQL</productname> also had an
R-tree index method. This method has been removed because
diff --git a/doc/src/sgml/ref/reindex.sgml b/doc/src/sgml/ref/reindex.sgml
index 6e1cf06713..ef553f6481 100644
--- a/doc/src/sgml/ref/reindex.sgml
+++ b/doc/src/sgml/ref/reindex.sgml
@@ -436,6 +436,11 @@ Indexes:
CONCURRENTLY</command> cannot.
</para>
+ <para>
+ Like any long-running transaction, <command>REINDEX</command> can
+ affect which tuples can be removed by concurrent <command>VACUUM</command>.
+ </para>
+
<para>
<command>REINDEX SYSTEM</command> does not support
<command>CONCURRENTLY</command> since system catalogs cannot be reindexed
--
2.20.1
--+QahgC5+KEYLbs62--
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