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GUC variable pg_trgm.similarity_threshold insead of set_limit()

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Use GUC variable pg_trgm.similarity_threshold insead of
set_limit()/show_limit() which was introduced when defining GUC varuables
by modules was absent.

Author: Artur Zakirov
This commit is contained in:
Teodor Sigaev
2016-03-16 17:44:58 +03:00
parent f9e5ed61ed
commit 5871b88487
6 changed files with 78 additions and 15 deletions
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28
doc/src/sgml/pgtrgm.sgml
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@ -99,7 +99,8 @@
Returns the current similarity threshold used by the <literal>%</>
operator. This sets the minimum similarity between
two words for them to be considered similar enough to
be misspellings of each other, for example.
be misspellings of each other, for example
(<emphasis>deprecated</emphasis>).
</entry>
</row>
<row>
@ -108,7 +109,7 @@
<entry>
Sets the current similarity threshold that is used by the <literal>%</>
operator. The threshold must be between 0 and 1 (default is 0.3).
Returns the same value passed in.
Returns the same value passed in (<emphasis>deprecated</emphasis>).
</entry>
</row>
</tbody>
@ -133,7 +134,7 @@
<entry>
Returns <literal>true</> if its arguments have a similarity that is
greater than the current similarity threshold set by
<function>set_limit</>.
<varname>pg_trgm.similarity_threshold</>.
</entry>
</row>
<row>
@ -149,6 +150,27 @@
</table>
</sect2>
<sect2>
<title>GUC Parameters</title>
<variablelist>
<varlistentry id="guc-pgtrgm-similarity-threshold" xreflabel="pg_trgm.similarity_threshold">
<term>
<varname>pg_trgm.similarity_threshold</> (<type>real</type>)
<indexterm>
<primary><varname>pg_trgm.similarity_threshold</> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
Sets the current similarity threshold that is used by the <literal>%</>
operator. The threshold must be between 0 and 1 (default is 0.3).
</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>
<sect2>
<title>Index Support</title>