From 078dd7f3350170f31c8d44c4e8783cba417d5630 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Sol=C3=ADs?= <csolisr@azkware.net>
Date: Wed, 12 Feb 2025 21:27:45 +0000
Subject: [PATCH] feat: Detect MariaDB vs MySQL automatically

---
 friendica-clean-database.sh             | 16 ++++++++++++++--
 friendica-delete-old-users.sh           | 18 ++++++++++--------
 friendica-remove-old-photos-parallel.sh | 14 +++++++++++---
 3 files changed, 35 insertions(+), 13 deletions(-)

diff --git a/friendica-clean-database.sh b/friendica-clean-database.sh
index 2aa808c..f622cf8 100755
--- a/friendica-clean-database.sh
+++ b/friendica-clean-database.sh
@@ -4,9 +4,21 @@ limit=1000
 folder=/var/www/friendica
 user=friendica
 phpversion=php8.2
-dbengine=mariadb
+dbengine=""
+if [[ -n $(type mariadb) ]]; then
+	dbengine="mariadb"
+elif [[ -n $(type mysql) ]]; then
+	dbengine="mysql"
+else
+	exit
+fi
 db=friendica
-dboptimizer=mariadb-optimize
+dboptimizer=""
+if [[ -n $(type mariadb-optimize) ]]; then
+	dboptimizer="mariadb-optimize"
+elif [[ -n $(type mysqloptimize) ]]; then
+	dbengine="mysqloptimize"
+fi
 intense_optimizations=${1:-"0"}
 
 bash -c "cd ${folder} && sudo -u ${user} ${phpversion} bin/console.php maintenance 1 \"Database maintenance\"" #&> /dev/null
diff --git a/friendica-delete-old-users.sh b/friendica-delete-old-users.sh
index 70ddeda..52daa1d 100755
--- a/friendica-delete-old-users.sh
+++ b/friendica-delete-old-users.sh
@@ -1,4 +1,13 @@
 #!/bin/bash
+#Check for mariadb vs. mysql
+dbengine=""
+if [[ -n $(type mariadb) ]]; then
+	dbengine="mariadb"
+elif [[ -n $(type mysql) ]]; then
+	dbengine="mysql"
+else
+	exit
+fi
 db="friendica"
 url=friendica.example.net
 avatarfolder=/var/www/friendica/avatar
@@ -23,21 +32,14 @@ loop() {
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`post-thread-user\` where \`author-id\` = ${lineb} or \`causer-id\` = ${lineb}  or \`owner-id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`post-user\` where \`author-id\` = ${lineb}  or \`causer-id\` = ${lineb} or \`owner-id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`post-tag\` where cid = ${lineb}"
+	"${dbengine}" "${db}" -N -B -q -e "create temporary table tmp_post (select \`uri-id\` from \`post\` where \`owner-id\` = ${lineb} or \`author-id\` = ${lineb} or \`causer-id\` = ${lineb}); delete p.* from \`post-content\` p inner join \`tmp_post\` t where p.\`uri-id\` = t.\`uri-id\`;"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`post\` where \`owner-id\` = ${lineb} or \`author-id\` = ${lineb} or \`causer-id\` = ${lineb}"
-	"${dbengine}" "${db}" -N -B -q -e "delete from \`post-content\` where \`uri-id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`photo\` where \`contact-id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`contact\` where \`id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`apcontact\` where \`uri-id\` = ${lineb}"
 	"${dbengine}" "${db}" -N -B -q -e "delete from \`diaspora-contact\` where \`uri-id\` = ${lineb}"
 }
 
-#Check for mariadb vs. mysql
-dbengine=""
-if [[ -n $(type mariadb) ]]; then
-	dbengine="mariadb"
-elif [[ -n $(type mysql) ]]; then
-	dbengine="mysql"
-fi
 #Check if our dependencies are installed
 if [[ -n $(type curl) && -n "${dbengine}" && -n $(type "${dbengine}") && -n $(type date) ]]; then
 	date
diff --git a/friendica-remove-old-photos-parallel.sh b/friendica-remove-old-photos-parallel.sh
index dfb7d39..05bc27a 100755
--- a/friendica-remove-old-photos-parallel.sh
+++ b/friendica-remove-old-photos-parallel.sh
@@ -1,6 +1,14 @@
 #!/bin/bash
 IFS="
 "
+dbengine=""
+if [[ -n $(type mariadb) ]]; then
+	dbengine="mariadb"
+elif [[ -n $(type mysql) ]]; then
+	dbengine="mysql"
+else
+	exit
+fi
 #Set your parameters here
 url=friendica.example.net
 db=friendica
@@ -10,7 +18,7 @@ loop() {
 	#Parse each file in folder
 	folderescaped=${folder////\\/}
 	ky=$(echo "${y}" | sed -e "s/${folderescaped}/https:\/\/${url}/g" -e "s/-[0-9]*\..*\$//g")
-	f=$(mariadb "${db}" -N -B -q -e "select photo from contact where photo like '${ky}%' limit 1")
+	f=$("${dbengine}" "${db}" -N -B -q -e "select photo from contact where photo like '${ky}%' limit 1")
 	if [[ $? -eq 0 && -z ${f} && -f ${y} ]]; then
 		rm -rvf "${y}" &
 		if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) * 2)) ]]; then
@@ -28,7 +36,7 @@ date
 #Go to the Friendica installation
 cd "${folderavatar}" || exit
 #indexlength=$((49 + ${#url}))
-#mariadb "${db}" -e "alter table contact add index if not exists photo_index (photo(${indexlength}))"
+#"${dbengine}" "${db}" -e "alter table contact add index if not exists photo_index (photo(${indexlength}))"
 n=0
 d=0
 while read -r x; do
@@ -45,5 +53,5 @@ while read -r x; do
 		done < <(find "${x}" -type f)
 	fi
 done < <(find "${folderavatar}" -depth -mindepth 1 -maxdepth 1 -type d)
-#mariadb "${db}" -e "alter table contact drop index photo_index"
+#"${dbengine}" "${db}" -e "alter table contact drop index photo_index"
 date