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COALESCE - Cohérence avec l'exemple
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gleu committed Aug 8, 2016
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2 changes: 1 addition & 1 deletion postgresql/func.xml
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Expand Up @@ -11557,7 +11557,7 @@ END</synopsis>
affichage. Par exemple&nbsp;:
<programlisting>SELECT COALESCE(description, description_courte, '(aucune)') ...</programlisting>
Cela renvoie <varname>description</varname> si sa valeur est non NULL. Sinon
<varname>short_description</varname> s'il est lui-même non NULL, et enfin <literal>(none)</literal>.
<varname>courte_description</varname> s'il est lui-même non NULL, et enfin <literal>(none)</literal>.
</para>

<para>
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