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# 2018-08-04
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix countofview
do_execsql_test 1.0 {
CREATE TABLE t2(c);
CREATE TABLE t3(f);
INSERT INTO t2 VALUES(1), (2);
INSERT INTO t3 VALUES(3);
}
do_execsql_test 1.1 {
select c from t2 union all select f from t3 limit 1 offset 1
} {2}
do_execsql_test 1.2 {
select count(*) from (
select c from t2 union all select f from t3 limit 1 offset 1
)
} {1}
do_execsql_test 1.3 {
select count(*) from (
select c from t2 union all select f from t3
)
} {3}
# 2019-05-15
do_execsql_test 2.0 {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1),(99),('abc');
CREATE VIEW v1(x,y) AS SELECT x,1 FROM t1 UNION ALL SELECT x,2 FROM t1;
SELECT count(*) FROM v1 WHERE x<>1;
} {4}
do_execsql_test 2.1 {
SELECT count(*) FROM v1 GROUP BY y;
} {3 3}
# 2023-03-01 dbsqlfuzz ef8623915d843b150c159166ee4548c78cc6895a
# count-of-view should not apply to CTEs.
#
ifcapable progress {
proc progress_stop args {return 1}
db progress 1000 progress_stop
do_catchsql_test 3.1 {
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c)
SELECT count(*) FROM c;
} {1 interrupted}
}
# 2023-03-07 dbsqlfuzz 23d782160b71c3f8f535ccb2da313dfc8eb8c631
#
do_execsql_test 4.1 {
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
INSERT INTO t1 VALUES(4,'four');
CREATE TABLE t2(c INTEGER PRIMARY KEY, d TEXT);
CREATE VIEW t3 AS SELECT a, b FROM t1 UNION ALL SELECT c, d FROM t2;
SELECT count(*) FROM t3 ORDER BY sum(a);
} 1
# 2023-03-31 dbsqlfuzz 6a107e3055bd22afab31cfddabc2d9d54fcbaf69
# Having clauses should disqualify count-of-view
#
reset_db
do_execsql_test 5.1 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
INSERT INTO t1 VALUES(1,'one'),(4,'four');
CREATE TABLE t2(c INTEGER PRIMARY KEY, d TEXT);
INSERT INTO t2 VALUES(2,'two'),(5,'five');
CREATE VIEW t3 AS SELECT a, b FROM t1 UNION ALL SELECT c, d FROM t2;
SELECT count(*) FROM t3 HAVING count(*)>0;
} 4
do_execsql_test 5.2 {
SELECT count(*) FROM t3 HAVING count(*)>5;
} {}
do_execsql_test 5.3 {
SELECT count(*) FROM t3 HAVING max(b)>'mmm';
} 4
do_execsql_test 5.4 {
SELECT count(*) FROM t3 HAVING min(b)>'mmm';
} {}
do_execsql_test 5.5 {
SELECT count(*) FROM (
SELECT a, max(b) FROM t1 HAVING a<100 UNION ALL SELECT c, d FROM t2
)
} 3
finish_test
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