Traduction du chapitre sur les fonctions d'information statistiques

gleu · Oct 16, 2020 · 895d8b1 · 895d8b1
1 parent 40d91ba
commit 895d8b1
Showing 1 changed file with 21 additions and 19 deletions.
diff --git a/postgresql/func.xml b/postgresql/func.xml
@@ -27032,20 +27032,21 @@ CREATE EVENT TRIGGER test_table_rewrite_oid
   </sect1>
 
   <sect1 id="functions-statistics">
-   <title>Statistics Information Functions</title>
+   <title>Fonctions d'informations statistiques</title>
 
    <indexterm zone="functions-statistics">
-    <primary>function</primary>
-    <secondary>statistics</secondary>
+    <primary>fonction</primary>
+    <secondary>statistiques</secondary>
    </indexterm>
 
    <para>
-    <productname>PostgreSQL</productname> provides a function to inspect complex
-    statistics defined using the <command>CREATE STATISTICS</command> command.
+    <productname>PostgreSQL</productname> fournit une fonction pour inspecter
+    les statistiques complexes définies en utilisant la commande
+    <command>CREATE STATISTICS</command>.
    </para>
 
   <sect2 id="functions-statistics-mcv">
-   <title>Inspecting MCV Lists</title>
+   <title>Inspecter les listes MCV</title>
 
    <indexterm>
     <primary>pg_mcv_list_items</primary>
@@ -27056,15 +27057,15 @@ CREATE EVENT TRIGGER test_table_rewrite_oid
 </synopsis>
 
    <para>
-    <function>pg_mcv_list_items</function> returns a set of records describing
-    all items stored in a multi-column <acronym>MCV</acronym> list.  It
-    returns the following columns:
+    <function>pg_mcv_list_items</function> renvoie un ensemble d'enregistrements
+    décrivant tous les éléments enregistrés dans une liste <acronym>MCV</acronym>
+    multi-colonnes. Elle renvoie les colonnes suivantes&nbsp;:
 
     <informaltable>
      <tgroup cols="3">
       <thead>
        <row>
-        <entry>Name</entry>
+        <entry>Nom</entry>
         <entry>Type</entry>
         <entry>Description</entry>
        </row>
@@ -27074,44 +27075,45 @@ CREATE EVENT TRIGGER test_table_rewrite_oid
        <row>
         <entry><literal>index</literal></entry>
         <entry><type>integer</type></entry>
-        <entry>index of the item in the <acronym>MCV</acronym> list</entry>
+        <entry>index de l'élément dans la liste <acronym>MCV</acronym></entry>
        </row>
        <row>
         <entry><literal>values</literal></entry>
         <entry><type>text[]</type></entry>
-        <entry>values stored in the MCV item</entry>
+        <entry>valeurs enregistrées dans l'élément MCV</entry>
        </row>
        <row>
         <entry><literal>nulls</literal></entry>
         <entry><type>boolean[]</type></entry>
-        <entry>flags identifying <literal>NULL</literal> values</entry>
+        <entry>drapeaux identifiant les valeurs <literal>NULL</literal></entry>
        </row>
        <row>
         <entry><literal>frequency</literal></entry>
         <entry><type>double precision</type></entry>
-        <entry>frequency of this <acronym>MCV</acronym> item</entry>
+        <entry>fréquence de cet élément <acronym>MCV</acronym></entry>
        </row>
        <row>
         <entry><literal>base_frequency</literal></entry>
         <entry><type>double precision</type></entry>
-        <entry>base frequency of this <acronym>MCV</acronym> item</entry>
+        <entry>fréquence de base de cet élément <acronym>MCV</acronym></entry>
        </row>
       </tbody>
      </tgroup>
     </informaltable>
    </para>
 
    <para>
-    The <function>pg_mcv_list_items</function> function can be used like this:
+    La fonction <function>pg_mcv_list_items</function> peut être utilisée comme
+    ceci&nbsp;:
 
 <programlisting>
 SELECT m.* FROM pg_statistic_ext join pg_statistic_ext_data on (oid = stxoid),
                 pg_mcv_list_items(stxdmcv) m WHERE stxname = 'stts';
 </programlisting>
 
-    Values of the <type>pg_mcv_list</type> type can be obtained only from the
-    <structname>pg_statistic_ext_data</structname>.<structfield>stxdmcv</structfield>
-    column.
+    Les valeurs du type <type>pg_mcv_list</type> peut être obtenues seulement
+    à partir de la colonne
+    <structname>pg_statistic_ext_data</structname>.<structfield>stxdmcv</structfield>.
    </para>
   </sect2>