InsertOrUpdate SQL function

atom

@@ -348,6 +348,48 @@ Update(){
 			"${where_statement[@]}"	\
 		";" >&3
 }
+InsertIfUnset() {
+#InsertIfUnset table [no_id] < key value \n key value
+	local			\
+		table="$1"	\
+		no_id="${2:-0}"	\
+		column		\
+		key		\
+		keys		\
+		results		\
+		value		\
+		values
+	while read key value
+	do
+		keys+=( "$key" )
+		values+=( "$value" )
+	done
+	if (( no_id ))
+	then
+		column="${keys[0]}"
+	else
+		column='id'
+	fi
+	if ! results=$(
+		Select "$table" "$column" < <(
+			for key in ${!keys[@]}
+			do
+				echo "${keys[$key]}" "${values[$key]}"
+			done
+		)
+	)
+	then
+		results=$(
+			Insert "$table" < <(
+				for key in ${!keys[@]}
+				do
+					echo "${keys[$key]}" "${values[$key]}"
+				done
+			)
+		)
+	fi
+	echo "$results"
+}
 InsertOrUpdate() {
 #InsertOrUpdate table set_key set_value [set_key set_value […]] <	where_key where_value
 #									[where_key where_value