Added simple scripts to delete old historical data from postgresql.

riclolsen · riclolsen · commit 56e534e61b7f · 2021-12-25T22:14:34.000-03:00
diff --git a/sql/delete_old.sh b/sql/delete_old.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+psql -U postgres -h 127.0.0.1 json_scada < delete_old.sql
+
diff --git a/sql/delete_old.sql b/sql/delete_old.sql
@@ -0,0 +1,2 @@
+-- DELETE FROM hist WHERE time_tag < (now() - '30 days'::interval);
+SELECT drop_chunks('hist', INTERVAL '30 days');

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +#!/bin/bash
++
 +psql -U postgres -h 127.0.0.1 json_scada < delete_old.sql
++
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+-- DELETE FROM hist WHERE time_tag < (now() - '30 days'::interval);`
	`2`	`+SELECT drop_chunks('hist', INTERVAL '30 days');`