From 9e7f109af5af8740b348bdae9d838615efac5cfe Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@icinga.com>
Date: Mon, 31 Jul 2023 16:22:18 +0200
Subject: [PATCH] MySQL: Use strict SQL mode instead of just ANSI_QUOTES

---
 pkg/config/database.go | 3 ++-
 pkg/icingadb/quoter.go | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/config/database.go b/pkg/config/database.go
index b42ff8e1c..9f886ebef 100644
--- a/pkg/config/database.go
+++ b/pkg/config/database.go
@@ -61,7 +61,8 @@ func (d *Database) Open(logger *logging.Logger) (*icingadb.DB, error) {
 
 		config.DBName = d.Database
 		config.Timeout = time.Minute
-		config.Params = map[string]string{"sql_mode": "ANSI_QUOTES"}
+		// Set strict SQL mode, i.e. trigger an error if an incorrect value is inserted into a column.
+		config.Params = map[string]string{"sql_mode": "TRADITIONAL"}
 
 		tlsConfig, err := d.TlsOptions.MakeConfig(d.Host)
 		if err != nil {
diff --git a/pkg/icingadb/quoter.go b/pkg/icingadb/quoter.go
index b3cae860c..3726695dc 100644
--- a/pkg/icingadb/quoter.go
+++ b/pkg/icingadb/quoter.go
@@ -20,7 +20,7 @@ func NewQuoter(db *sqlx.DB) *Quoter {
 
 	switch db.DriverName() {
 	case driver.MySQL:
-		qc = `"`
+		qc = "`"
 	case driver.PostgreSQL:
 		qc = `"`
 	default: