K8s/Dashboards: Fix dashboard list and add tests (#91523)

pkg/storage/unified/sql/sqltemplate/dialect_mysql.go

@@ -14,8 +14,25 @@ var MySQL = mysql{
 var _ Dialect = MySQL
 
 type mysql struct {
-	standardIdent
+	backtickIdent
 	rowLockingClauseMap
 	argPlaceholderFunc
 	name
 }
+
+// standardIdent provides standard SQL escaping of identifiers.
+type backtickIdent struct{}
+
+var standardFallback = standardIdent{}
+
+func (backtickIdent) Ident(s string) (string, error) {
+	switch s {
+	// Internal identifiers require backticks to work properly
+	case "user":
+		return "`" + s + "`", nil
+	case "":
+		return "", ErrEmptyIdent
+	}
+	// standard
+	return standardFallback.Ident(s)
+}

pkg/storage/unified/sql/sqltemplate/sqltemplate.go

@@ -116,6 +116,22 @@ func FormatSQL(q string) string {
 	return q
 }
 
+// RemoveEmptyLines removes the empty lines from a SQL statement
+// empty lines are typical when using text template formatting
+func RemoveEmptyLines(q string) string {
+	var b strings.Builder
+	lines := strings.Split(strings.ReplaceAll(q, "\r\n", "\n"), "\n")
+	for _, line := range lines {
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		line = strings.ReplaceAll(line, "\t", "  ")
+		b.WriteString(line)
+		b.WriteByte('\n')
+	}
+	return b.String()
+}
+
 type reFormatting struct {
 	re          *regexp.Regexp
 	replacement string