chore(stats): ajout d'un utilitaire pour calculer les statitiques et …

…suivre la progression du chargement

bin/stats.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+PGDATABASE=${PGDATABASE:-osm}
+echo "[INFO] PGDATABASE=${PGDATABASE}"
+
+psql -d $PGDATABASE <<EOF
+SELECT *, pg_size_pretty(total_bytes) AS total
+    , pg_size_pretty(index_bytes) AS INDEX
+    , pg_size_pretty(toast_bytes) AS toast
+    , pg_size_pretty(table_bytes) AS TABLE
+  FROM (
+  SELECT *, total_bytes-index_bytes-COALESCE(toast_bytes,0) AS table_bytes FROM (
+      SELECT c.oid,nspname AS table_schema, relname AS TABLE_NAME
+              , c.reltuples AS row_estimate
+              , pg_total_relation_size(c.oid) AS total_bytes
+              , pg_indexes_size(c.oid) AS index_bytes
+              , pg_total_relation_size(reltoastrelid) AS toast_bytes
+          FROM pg_class c
+          LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
+          WHERE relkind = 'r'
+  ) a
+) a
+WHERE table_schema NOT IN ('pg_catalog','information_schema')
+ORDER BY total_bytes DESC ;
+EOF
+