wait_time metric fixes for 19c (#346)

Signed-off-by: Anders Swanson <anders.swanson@oracle.com>

Author: anders-swanson

collector/default_metrics.toml

@@ -61,13 +61,13 @@ metricstype = { time_waited_sec_total = "counter" }
 fieldtoappend= "wait_class"
 request = '''
 select
-  inst_id,
-  wait_class,
-  round(time_waited/100,3) time_waited_sec_total,
-  con_id
+    inst_id,
+    wait_class,
+    round(time_waited/100,3) time_waited_sec_total,
+    con_id
 from gv$system_wait_class
 where wait_class <> 'Idle'
-group by inst_id, wait_class, con_id, time_waited_sec_total
+group by inst_id, wait_class, con_id, round(time_waited/100,3)
 '''
 ignorezeroresult = true
 

default-metrics.toml

@@ -61,13 +61,13 @@ metricstype = { time_waited_sec_total = "counter" }
 fieldtoappend= "wait_class"
 request = '''
 select
-  inst_id,
-  wait_class,
-  round(time_waited/100,3) time_waited_sec_total,
-  con_id
+    inst_id,
+    wait_class,
+    round(time_waited/100,3) time_waited_sec_total,
+    con_id
 from gv$system_wait_class
 where wait_class <> 'Idle'
-group by inst_id, wait_class, con_id, time_waited_sec_total
+group by inst_id, wait_class, con_id, round(time_waited/100,3)
 '''
 ignorezeroresult = true
 

site/docs/releases/changelog.md

@@ -11,6 +11,12 @@ List of upcoming and historic changes to the exporter.
 
 Our current priorities are support for Exadata metrics.  We expect to address these in an upcoming release.
 
+- Updated project dependencies.
+- Fix `wait_time` default metric to work with Oracle Database 19c.
+
+Thank you to the following people for their suggestions and contributions:
+- [@romankspb](https://github.com/romankspb)
+
 ### Version 2.0.4, September 8, 2025
 
 This release includes the following changes: