--- a/bash-completion.sh	Sun Apr 18 10:53:28 2021 +0200
+++ b/bash-completion.sh	Sun Apr 18 18:20:09 2021 +0200
@@ -28,13 +28,21 @@
 		"boolean"
 	)
 
+	READ_TYPES=(
+		"auto"
+		"true"
+		"false"
+	)
+
 	if   [[ "$w1" == "--relation"                      && "x$w0" == "x" ]];    then COMPREPLY=("''")
 	elif [[ "$w1" == "--attribute"                     && "x$w0" == "x" ]];    then COMPREPLY=("''")
 	elif [[ "$w2" == "--attribute"                                      ]];    then COMPREPLY=($(compgen -W "${DATA_TYPE[*]}" -- "$w0"))
+	elif [[ "$w1" == "--read-types"                                     ]];    then COMPREPLY=($(compgen -W "${READ_TYPES[*]}" -- "$w0"))
 	else
 		OPTIONS=(
 			"--relation"
 			"--attribute"
+			"--read-types"
 		)
 		COMPREPLY=($(compgen -W "${OPTIONS[*]}" -- "$w0"))
 	fi