index 29ee9605b61dc0cf50a51ce587de4de8d0fe60d2..6d06ad22b92b4cd583b4feff39adc8597700c75a 100644 (file)
The current compression method of the column. If it is an invalid
compression method (<literal>'0円'</literal>) then column data will not
be compressed. Otherwise, <literal>'p'</literal> = pglz compression or
- <literal>'l'</literal> = lz4 compression.
+ <literal>'l'</literal> = <productname>LZ4</productname> compression.
</para></entry>
</row>
index a71c8821f6a80a2f5810b3c8289cfe712d17b9e9..f129a87501420e883c4b4bc284cc9a13a775f443 100644 (file)
@@ -8321,9 +8321,9 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
<command>CREATE TABLE</command> statement can override this default
by specifying the <literal>COMPRESSION</literal> column option.
- The supported compression methods are <literal>pglz</literal> and
- (if configured at the time <productname>PostgreSQL</productname> was
- built) <literal>lz4</literal>.
+ The supported compression methods are <literal>pglz</literal> and,
+ if <productname>PostgreSQL</productname> was compiled with
+ <literal>--with-lz4</literal>, <literal>lz4</literal>.
The default is <literal>pglz</literal>.
</para>
</listitem>
index 50d9fa2021511fe9f7cfcaede8d997b9ab904fc7..3c0aa118c76bfa8ed473a7cc1ad02eabc0e0e7bb 100644 (file)
</para>
</listitem>
+ <listitem>
+ <para>
+ You need <productname>LZ4</productname>, if you want to support
+ compression of data with this method; see
+ <xref linkend="guc-default-toast-compression"/>.
+ </para>
+ </listitem>
+
<listitem>
<para>
To build the <productname>PostgreSQL</productname> documentation,
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--with-lz4</option></term>
+ <listitem>
+ <para>
+ Build with <productname>LZ4</productname> compression support.
+ This allows the use of <productname>LZ4</productname> for
+ compression of table data.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>--with-ssl=<replaceable>LIBRARY</replaceable></option>
<indexterm>