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Fix another problem in lead()/lag(). And some errors that could occur

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following OOM faults.

FossilOrigin-Name: fadd4dc119d8df0d871f4d839b7a11070e2ffb8927e84b3e7a94f34196db3de3
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dan
2018-06-15 19:01:35 +00:00
parent e0a5e20fa8
commit 6fde1799f8
7 changed files with 146 additions and 15 deletions
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33
test/window4.tcl
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@ -271,6 +271,39 @@ execsql_test 7.5 {
WINDOW win AS (ORDER BY x)
}
==========
execsql_test 8.0 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INTEGER, b INTEGER, c INTEGER, d INTEGER);
INSERT INTO t1 VALUES(1, 2, 3, 4);
INSERT INTO t1 VALUES(5, 6, 7, 8);
INSERT INTO t1 VALUES(9, 10, 11, 12);
}
execsql_test 8.1 {
SELECT row_number() OVER win,
nth_value(d,2) OVER win,
lead(d) OVER win
FROM t1
WINDOW win AS (ORDER BY a)
}
execsql_test 8.2 {
SELECT row_number() OVER win,
rank() OVER win,
dense_rank() OVER win,
ntile(2) OVER win,
first_value(d) OVER win,
last_value(d) OVER win,
nth_value(d,2) OVER win,
lead(d) OVER win,
lag(d) OVER win,
max(d) OVER win,
min(d) OVER win
FROM t1
WINDOW win AS (ORDER BY a)
}
finish_test