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