join_use_nulls = 1
-
-
1	11	0
2	12	22
3	0	23
-
1	11	\N
2	12	22
3	\N	23
-
1	11	\N
2	12	22
3	\N	23
join_use_nulls = 0
-
1	11	0
2	12	22
3	0	23
-
1	11	0
2	12	22
3	0	23
-
1	11	\N
2	12	22
3	\N	23
-
1	11	0
2	12	22
3	0	23
join_use_nulls = 1
-
-
1	11	0
2	12	22
3	0	23
-
1	11	\N
2	12	22
3	\N	23
-
1	11	\N
2	12	22
3	\N	23
join_use_nulls = 0
-
1	11	0
2	12	22
3	0	23
-
1	11	0
2	12	22
3	0	23
-
1	11	\N
2	12	22
3	\N	23
-
1	11	0
2	12	22
3	0	23