From c709d2b75e65742754b24acbdfe7face24bb77ec Mon Sep 17 00:00:00 2001
From: Justin Clift <justin@postgresql.org>
Date: Mon, 30 Sep 2024 21:48:01 +1000
Subject: [PATCH] Initial code (untested) for automatically reindexing the
 databases

---
 docker-entrypoint.sh | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 01aa5a8..8e53339 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -540,7 +540,7 @@ _main() {
 			echo "Running pg_upgrade command, from $(pwd)"
 			echo "---------------------------------------"
 			bin_path=$(get_bin_path)
-			${bin_path}/pg_upgrade --username="${POSTGRES_USER}" --link -d "${OLD}" -D "${NEW}" -b "${OLDPATH}/bin" -B "${bin_path}" --socketdir="/var/run/postgresql"
+			"${bin_path}/pg_upgrade" --username="${POSTGRES_USER}" --link -d "${OLD}" -D "${NEW}" -b "${OLDPATH}/bin" -B "${bin_path}" --socketdir="/var/run/postgresql"
 			echo "--------------------------------------"
 			echo "Running pg_upgrade command is complete"
 			echo "--------------------------------------"
@@ -572,6 +572,33 @@ _main() {
 			echo "Removing left over database files is complete"
 			echo "---------------------------------------------"
 
+			# Automatically reindex the databases (if requested)
+			if [ "${PGAUTO_REINDEX}" = "yes" ]; then
+				echo "------------------------"
+				echo "Reindexing the databases"
+				echo "------------------------"
+
+				# Get the list of databases in the database cluster
+				DB_LIST=$(echo 'SELECT datname FROM pg_catalog.pg_database WHERE datistemplate IS FALSE' | postgres --single -D /var/lib/postgresql/data 2>bar | grep datname | grep -v backend | cut -d '"' -f 2)
+
+				# For each database, reindex it
+				for DATABASE in ${DB_LIST}; do
+					echo "-------------------------------"
+					echo "Starting reindex of ${DATABASE}"
+					echo "-------------------------------"
+
+					echo 'REINDEX DATABASE' | postgres --single -D /var/lib/postgresql/data "${DATABASE}"
+
+					echo "-------------------------------"
+					echo "Finished reindex of ${DATABASE}"
+					echo "-------------------------------"
+				done
+
+				echo "-------------------------------"
+				echo "End of reindexing the databases"
+				echo "-------------------------------"
+			fi
+
 			echo "**********************************************************"
 			echo "Automatic upgrade process finished with no errors reported"
 			echo "**********************************************************"