dbi plugin: Put the row handling logic in an extra module.

[collectd.git] / src / collectd.conf.pod

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 67fe3b6..9b72b43 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -356,6 +356,7 @@ than those of other plugins. It usually looks something like this:
       Statement "SELECT category, COUNT(*) AS value FROM products WHERE in_stock = 0 GROUP BY category"
       <Result>
         Type "gauge"
+       InstancePrefix "out_of_stock"
         InstancesFrom "category"
         ValuesFrom "value"
       </Result>
@@ -400,6 +401,7 @@ Example:
     Statement "select station, temperature, humidity from environment"
     <Result>
       Type "temperature"
+      # InstancePrefix "foo"
       InstancesFrom "station"
       ValuesFrom "temperature"
     </Result>
@@ -444,6 +446,11 @@ setting below.
 
 There must be exactly one B<Type> option inside each B<Result> block.
 
+=item B<InstancePrefix> I<prefix>
+
+Prepends I<prefix> followed by a dash I<("-")> to the type instance. See
+B<InstancesFrom> on how the rest of the type instance is built.
+
 =item B<InstancesFrom> I<column0> [I<column1> ...]
 
 Specifies the columns whose values will be used to create the "TypeInstance"