diff options
Diffstat (limited to 'mysql-test/main/win_first_last_value.result')
| -rw-r--r-- | mysql-test/main/win_first_last_value.result | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/mysql-test/main/win_first_last_value.result b/mysql-test/main/win_first_last_value.result new file mode 100644 index 00000000000..9de394ef9e0 --- /dev/null +++ b/mysql-test/main/win_first_last_value.result @@ -0,0 +1,145 @@ +create table t1 ( +pk int primary key, +a int, +b int, +c char(10), +d decimal(10, 3), +e real +); +insert into t1 values +( 1, 0, 1, 'one', 0.1, 0.001), +( 2, 0, 2, 'two', 0.2, 0.002), +( 3, 0, 3, 'three', 0.3, 0.003), +( 4, 1, 2, 'three', 0.4, 0.004), +( 5, 1, 1, 'two', 0.5, 0.005), +( 6, 1, 1, 'one', 0.6, 0.006), +( 7, 2, NULL, 'n_one', 0.5, 0.007), +( 8, 2, 1, 'n_two', NULL, 0.008), +( 9, 2, 2, NULL, 0.7, 0.009), +(10, 2, 0, 'n_four', 0.8, 0.010), +(11, 2, 10, NULL, 0.9, NULL); +select pk, first_value(pk) over (order by pk), +last_value(pk) over (order by pk), +first_value(pk) over (order by pk desc), +last_value(pk) over (order by pk desc) +from t1 +order by pk desc; +pk first_value(pk) over (order by pk) last_value(pk) over (order by pk) first_value(pk) over (order by pk desc) last_value(pk) over (order by pk desc) +11 1 11 11 11 +10 1 10 11 10 +9 1 9 11 9 +8 1 8 11 8 +7 1 7 11 7 +6 1 6 11 6 +5 1 5 11 5 +4 1 4 11 4 +3 1 3 11 3 +2 1 2 11 2 +1 1 1 11 1 +select pk, +first_value(pk) over (order by pk +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING), +last_value(pk) over (order by pk +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING), +first_value(pk) over (order by pk desc +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING), +last_value(pk) over (order by pk desc +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) +from t1 +order by pk; +pk first_value(pk) over (order by pk +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) last_value(pk) over (order by pk +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) first_value(pk) over (order by pk desc +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) last_value(pk) over (order by pk desc +RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) +1 1 11 11 1 +2 1 11 11 1 +3 1 11 11 1 +4 1 11 11 1 +5 1 11 11 1 +6 1 11 11 1 +7 1 11 11 1 +8 1 11 11 1 +9 1 11 11 1 +10 1 11 11 1 +11 1 11 11 1 +select pk, +first_value(pk) over (order by pk desc), +last_value(pk) over (order by pk desc) +from t1; +pk first_value(pk) over (order by pk desc) last_value(pk) over (order by pk desc) +1 11 1 +2 11 2 +3 11 3 +4 11 4 +5 11 5 +6 11 6 +7 11 7 +8 11 8 +9 11 9 +10 11 10 +11 11 11 +select pk, a, b, c, d, e, +first_value(b) over (partition by a order by pk) as fst_b, +last_value(b) over (partition by a order by pk) as lst_b, +first_value(c) over (partition by a order by pk) as fst_c, +last_value(c) over (partition by a order by pk) as lst_c, +first_value(d) over (partition by a order by pk) as fst_d, +last_value(d) over (partition by a order by pk) as lst_d, +first_value(e) over (partition by a order by pk) as fst_e, +last_value(e) over (partition by a order by pk) as lst_e +from t1; +pk a b c d e fst_b lst_b fst_c lst_c fst_d lst_d fst_e lst_e +1 0 1 one 0.100 0.001 1 1 one one 0.100 0.100 0.001 0.001 +2 0 2 two 0.200 0.002 1 2 one two 0.100 0.200 0.001 0.002 +3 0 3 three 0.300 0.003 1 3 one three 0.100 0.300 0.001 0.003 +4 1 2 three 0.400 0.004 2 2 three three 0.400 0.400 0.004 0.004 +5 1 1 two 0.500 0.005 2 1 three two 0.400 0.500 0.004 0.005 +6 1 1 one 0.600 0.006 2 1 three one 0.400 0.600 0.004 0.006 +7 2 NULL n_one 0.500 0.007 NULL NULL n_one n_one 0.500 0.500 0.007 0.007 +8 2 1 n_two NULL 0.008 NULL 1 n_one n_two 0.500 NULL 0.007 0.008 +9 2 2 NULL 0.700 0.009 NULL 2 n_one NULL 0.500 0.700 0.007 0.009 +10 2 0 n_four 0.800 0.01 NULL 0 n_one n_four 0.500 0.800 0.007 0.01 +11 2 10 NULL 0.900 NULL NULL 10 n_one NULL 0.500 0.900 0.007 NULL +drop table t1; +# +# MDEV-11746: Wrong result upon using FIRST_VALUE with a window frame +# +create table t1 (i int); +insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); +select i, +first_value(i) OVER (order by i rows between CURRENT ROW and 1 FOLLOWING) as fst_1f, +last_value(i) OVER (order by i rows between CURRENT ROW and 1 FOLLOWING) as last_1f, +first_value(i) OVER (order by i rows between 1 PRECEDING AND 1 FOLLOWING) as fst_1p1f, +last_value(i) OVER (order by i rows between 1 PRECEDING AND 1 FOLLOWING) as fst_1p1f, +first_value(i) OVER (order by i rows between 2 PRECEDING AND 1 PRECEDING) as fst_2p1p, +last_value(i) OVER (order by i rows between 2 PRECEDING AND 1 PRECEDING) as fst_2p1p, +first_value(i) OVER (order by i rows between 1 FOLLOWING AND 2 FOLLOWING) as fst_1f2f, +last_value(i) OVER (order by i rows between 1 FOLLOWING AND 2 FOLLOWING) as fst_1f2f +from t1; +i fst_1f last_1f fst_1p1f fst_1p1f fst_2p1p fst_2p1p fst_1f2f fst_1f2f +1 1 2 1 2 NULL NULL 2 3 +2 2 3 1 3 1 1 3 4 +3 3 4 2 4 1 2 4 5 +4 4 5 3 5 2 3 5 6 +5 5 6 4 6 3 4 6 7 +6 6 7 5 7 4 5 7 8 +7 7 8 6 8 5 6 8 9 +8 8 9 7 9 6 7 9 10 +9 9 10 8 10 7 8 10 10 +10 10 10 9 10 8 9 NULL NULL +drop table t1; +# +# MDEV-12861 FIRST_VALUE() does not preserve the exact data type +# +CREATE TABLE t1 (a INT, b INT, c FLOAT); +INSERT INTO t1 VALUES (1,1,1),(1,2,2),(2,1,1),(2,2,2); +CREATE TABLE t2 AS SELECT a, FIRST_VALUE(b) OVER(), FIRST_VALUE(c) OVER() FROM t1 GROUP BY a; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) DEFAULT NULL, + `FIRST_VALUE(b) OVER()` int(11) DEFAULT NULL, + `FIRST_VALUE(c) OVER()` float DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +DROP TABLE t2,t1; |