From 1ed2ad405ea7ee53a59dda22a0be23b4d2102317 Mon Sep 17 00:00:00 2001
From: Adrien Dupuis <adrien.dupuis@ibexa.co>
Date: Tue, 5 Apr 2022 13:24:33 +0200
Subject: [PATCH] functions.sh: Add `_mysql_empty`

---
 functions.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/functions.sh b/functions.sh
index c2c6b6e..55dd8db 100644
--- a/functions.sh
+++ b/functions.sh
@@ -42,4 +42,14 @@ function _utils_version {
   fi;
 
   echo "$version";
-}
\ No newline at end of file
+}
+
+function _mysql_empty {
+  tmp=/tmp/_mysql_empty.tmp.sql;
+  db=$(mysql $@ --batch --skip-column-names --execute 'SELECT DATABASE() FROM DUAL;';);
+  echo 'SET FOREIGN_KEY_CHECKS = 0;' > $tmp;
+  mysql $@ --batch --skip-column-names --execute "SELECT concat('DROP TABLE IF EXISTS ', table_name, ';') FROM information_schema.tables WHERE table_schema = '$db';" >> $tmp;
+  echo 'SET FOREIGN_KEY_CHECKS = 1;' >> $tmp;
+  mysql $@ < $tmp;
+  rm -f $tmp;
+}