Feature add pg stat statements

queries.yaml

@@ -120,6 +120,71 @@ pg_database:
     - datname:
         usage: "LABEL"
         description: "Name of the database"
-    - size:
+    - size_bytes:
         usage: "GAUGE"
         description: "Disk space used by the database"
+
+
+pg_stat_statements:
+  query: "SELECT query, calls, total_time / 1000 as total_time_seconds, min_time / 1000 as min_time_seconds, max_time / 1000 as max_time_seconds, mean_time / 1000 as mean_time_seconds, stddev_time / 1000 as stddev_time_seconds, rows, shared_blks_hit, shared_blks_read, shared_blks_dirtied, shared_blks_written, local_blks_hit, local_blks_read, local_blks_dirtied, local_blks_written, temp_blks_read, temp_blks_written, blk_read_time / 1000 as blk_read_time_seconds, blk_write_time / 1000 as blk_write_time_seconds FROM pg_stat_statements"
+  metrics:
+  - query:
+      usage: "LABEL"
+      description: "Query class"
+  - calls:
+      usage: "COUNTER"
+      description: "Number of times executed"
+  - total_time_seconds:
+      usage: "COUNTER"
+      description: "Total time spent in the statement, in milliseconds"
+  - min_time_seconds:
+      usage: "GAUGE"
+      description: "Minimum time spent in the statement, in milliseconds"
+  - max_time_seconds:
+      usage: "GAUGE"
+      description: "Maximum time spent in the statement, in milliseconds"
+  - mean_time_seconds:
+      usage: "GAUGE"
+      description: "Mean time spent in the statement, in milliseconds"
+  - stddev_time_seconds:
+      usage: "GAUGE"
+      description: "Population standard deviation of time spent in the statement, in milliseconds"
+  - rows:
+      usage: "COUNTER"
+      description: "Total number of rows retrieved or affected by the statement"
+  - shared_blks_hit:
+      usage: "COUNTER"
+      description: "Total number of shared block cache hits by the statement"
+  - shared_blks_read:
+      usage: "COUNTER"
+      description: "Total number of shared blocks read by the statement"
+  - shared_blks_dirtied:
+      usage: "COUNTER"
+      description: "Total number of shared blocks dirtied by the statement"
+  - shared_blks_written:
+      usage: "COUNTER"
+      description: "Total number of shared blocks written by the statement"
+  - local_blks_hit:
+      usage: "COUNTER"
+      description: "Total number of local block cache hits by the statement"
+  - local_blks_read:
+      usage: "COUNTER"
+      description: "Total number of local blocks read by the statement"
+  - local_blks_dirtied:
+      usage: "COUNTER"
+      description: "Total number of local blocks dirtied by the statement"
+  - local_blks_written:
+      usage: "COUNTER"
+      description: "Total number of local blocks written by the statement"
+  - temp_blks_read:
+      usage: "COUNTER"
+      description: "Total number of temp blocks read by the statement"
+  - temp_blks_written:
+      usage: "COUNTER"
+      description: "Total number of temp blocks written by the statement"
+  - blk_read_time_seconds:
+      usage: "COUNTER"
+      description: "Total time the statement spent reading blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"
+  - blk_write_time_seconds:
+      usage: "COUNTER"
+      description: "Total time the statement spent writing blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"