From a494755a15afa04a421eab440aa0eee7dca31352 Mon Sep 17 00:00:00 2001
From: chris <ckubu@oopen.de>
Date: Wed, 5 Dec 2018 18:26:40 +0100
Subject: [PATCH] flush_query_cache.sh: fix error if mysql distribution is not
 MySQL (i.e. Percona/MariaDB).

---
 flush_query_cache.sh | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/flush_query_cache.sh b/flush_query_cache.sh
index b9fcacc..29198d9 100755
--- a/flush_query_cache.sh
+++ b/flush_query_cache.sh
@@ -28,16 +28,30 @@ MYSQL_MAJOR_VERSION=`echo $CURRENT_VERSION | cut -d '.' -f1`
 MYSQL_MINOR_VERSION=`echo $CURRENT_VERSION | cut -d '.' -f2`
 MYSQL_PATCH_LEVEL=`echo $CURRENT_VERSION | cut -d '.' -f3`
 
-if [[ "$MYSQL_MAJOR_VERSION" -gt 8 ]] \
-	||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -gt 0 ]] ) \
-	||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -eq 0 ]] \
-			&& [[ $MYSQL_PATCH_LEVEL -ge 3 ]] ); then
+if [[ -z "$_MYSQLD_VERSION" ]]; then
    echo ""
-   echo -e "\t[ Error ]: Query cache is no longer supported since (MySQL 8.0.3)"
+   echo -e "\t[ Error ]: No installed MySQL server or distribution found!"
    echo ""
+elif [[ "$_MYSQLD_VERSION" =~ MariaDB ]]; then
+	MYSQL_CUR_DISTRIBUTION="MariaDB"
+elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ percona- ]]; then
+	MYSQL_CUR_DISTRIBUTION="Percona"
+elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mysql- ]]; then
+	MYSQL_CUR_DISTRIBUTION="MySQL"
+fi
+
+if [[ "$MYSQL_CUR_DISTRIBUTION" = "MySQL" ]]; then
+	if [[ "$MYSQL_MAJOR_VERSION" -gt 8 ]] \
+		||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -gt 0 ]] ) \
+		||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -eq 0 ]] \
+				&& [[ $MYSQL_PATCH_LEVEL -ge 3 ]] ); then
+		echo ""
+		echo -e "\t[ Error ]: Query cache is no longer supported since (MySQL 8.0.3)"
+		echo ""
+		exit
+	fi
 fi
 
-exit
 
 
 #---------------------------------------