From c9b30d9ec91ee51d883d40a79c665b48d88a7f5d Mon Sep 17 00:00:00 2001
From: Justin Clift <justin@postgresql.org>
Date: Mon, 30 Sep 2024 21:08:32 +1000
Subject: [PATCH] Start figuring out how to automatically reindex the database
 cluster

---
 docker-entrypoint.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 01aa5a8..4f5d90a 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -572,6 +572,27 @@ _main() {
 			echo "Removing left over database files is complete"
 			echo "---------------------------------------------"
 
+      # Automatically reindex the databases (if requested)
+      if [ "${PGAUTO_REINDEX}" = "yes" ]; then
+        echo "------------------------"
+        echo "Reindexing the databases"
+        echo "------------------------"
+
+        # Start the database in single user mode
+        "${OLDPATH}/bin/postgres" --single -D "${POSTGRES_DB}"
+
+        # 1. Get the list of databases in the database cluster
+        # Something like this should work:
+        # SELECT datname FROM pg_catalog.pg_database WHERE datistemplate IS FALSE;
+
+        # 2. For each database, get the list of indexes
+        # 3. Regenerate the indexes
+
+        echo "-------------------------------"
+        echo "End of reindexing the databases"
+        echo "-------------------------------"
+      fi
+
 			echo "**********************************************************"
 			echo "Automatic upgrade process finished with no errors reported"
 			echo "**********************************************************"