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CREATE TABLE t1 (c1 INT, c2 VARCHAR(30));
PREPARE populate_table FROM "INSERT into t1 values (1, 'manual_insert_1'),
(4, 'manual_insert_2')";
INSERT INTO t1 SELECT row_number() over(), "should_not_add_any_rows" FROM t1;
INSERT INTO t1 SELECT 1 + row_number() over(), "should_not_add_any_rows" FROM t1;
EXECUTE populate_table;
INSERT INTO t1 SELECT 10 + row_number() over(), "should repeat 2 times [11-12]" FROM t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1 manual_insert_1
4 manual_insert_2
11 should repeat 2 times [11-12]
12 should repeat 2 times [11-12]
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 10 + (dense_rank() over(order by c1)), "dense_rank_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
11 dense_rank_insert
12 dense_rank_insert
1 manual_insert_1
4 manual_insert_2
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 100 + (rank() over(order by c1)), "rank_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1 manual_insert_1
4 manual_insert_2
101 rank_insert
102 rank_insert
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 100 + (ntile(10) over(order by c1)), "ntile_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1 manual_insert_1
4 manual_insert_2
101 ntile_insert
102 ntile_insert
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 1000 + (percent_rank() over(order by c1)), "percent_rank_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1 manual_insert_1
4 manual_insert_2
1000 percent_rank_insert
1001 percent_rank_insert
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 1000 + (count(*) over(order by c1)), "count_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1001 count_insert
1002 count_insert
1 manual_insert_1
4 manual_insert_2
DELETE FROM t1;
EXECUTE populate_table;
#
# Test how avg interacts when the results need to be rounded.
#
SELECT 1000 + (avg(c1) over(order by c1)) as avg_expr, c1, "This will be inserted into t1" from t1;
avg_expr c1 This will be inserted into t1
1001.0000 1 This will be inserted into t1
1002.5000 4 This will be inserted into t1
INSERT INTO t1
SELECT 1000 + (avg(c1) over(order by c1)), "avg_insert" from t1;
SELECT c1, c2 FROM t1 ORDER BY c2, c1;
c1 c2
1001 avg_insert
1003 avg_insert
1 manual_insert_1
4 manual_insert_2
DELETE FROM t1;
EXECUTE populate_table;
INSERT INTO t1
SELECT 1000 + (sum(c1) over(order by c1)), "sum_insert" from t1;
SELECT c1, c2
FROM t1
ORDER BY c2, c1;
c1 c2
1 manual_insert_1
4 manual_insert_2
1001 sum_insert
1005 sum_insert
DROP table t1;
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