118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
# 2007 November 23
|
|
#
|
|
# 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.
|
|
#
|
|
#***********************************************************************
|
|
#
|
|
# The tests in this file ensure that a temporary table is used
|
|
# when required by an "INSERT INTO ... SELECT ..." statement.
|
|
#
|
|
# $Id: insert5.test,v 1.5 2008/08/04 03:51:24 danielk1977 Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
ifcapable !subquery {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
# Return true if the compilation of the sql passed as an argument
|
|
# includes the opcode OpenEphemeral. An "INSERT INTO ... SELECT"
|
|
# statement includes such an opcode if a temp-table is used
|
|
# to store intermediate results.
|
|
#
|
|
proc uses_temp_table {sql} {
|
|
return [expr {[lsearch [execsql "EXPLAIN $sql"] OpenEphemeral]>=0}]
|
|
}
|
|
|
|
# Construct the sample database.
|
|
#
|
|
do_test insert5-1.0 {
|
|
forcedelete test2.db test2.db-journal
|
|
execsql {
|
|
CREATE TABLE MAIN(Id INTEGER, Id1 INTEGER);
|
|
CREATE TABLE B(Id INTEGER, Id1 INTEGER);
|
|
CREATE VIEW v1 AS SELECT * FROM B;
|
|
CREATE VIEW v2 AS SELECT * FROM MAIN;
|
|
INSERT INTO MAIN(Id,Id1) VALUES(2,3);
|
|
INSERT INTO B(Id,Id1) VALUES(2,3);
|
|
}
|
|
} {}
|
|
|
|
# Run the query.
|
|
#
|
|
ifcapable compound {
|
|
do_test insert5-1.1 {
|
|
execsql {
|
|
INSERT INTO B
|
|
SELECT * FROM B UNION ALL
|
|
SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
|
|
SELECT * FROM B;
|
|
}
|
|
} {2 3 2 3 2 3}
|
|
} else {
|
|
do_test insert5-1.1 {
|
|
execsql {
|
|
INSERT INTO B SELECT * FROM B;
|
|
INSERT INTO B
|
|
SELECT * FROM MAIN WHERE exists (select * FROM B WHERE B.Id = MAIN.Id);
|
|
SELECT * FROM B;
|
|
}
|
|
} {2 3 2 3 2 3}
|
|
}
|
|
do_test insert5-2.1 {
|
|
uses_temp_table { INSERT INTO b SELECT * FROM main }
|
|
} {0}
|
|
do_test insert5-2.2 {
|
|
uses_temp_table { INSERT INTO b SELECT * FROM b }
|
|
} {1}
|
|
do_test insert5-2.3 {
|
|
uses_temp_table { INSERT INTO b SELECT (SELECT id FROM b), id1 FROM main }
|
|
} {1}
|
|
do_test insert5-2.4 {
|
|
uses_temp_table { INSERT INTO b SELECT id1, (SELECT id FROM b) FROM main }
|
|
} {1}
|
|
do_test insert5-2.5 {
|
|
uses_temp_table {
|
|
INSERT INTO b
|
|
SELECT * FROM main WHERE id = (SELECT id1 FROM b WHERE main.id = b.id) }
|
|
} {1}
|
|
do_test insert5-2.6 {
|
|
uses_temp_table { INSERT INTO b SELECT * FROM v1 }
|
|
} {1}
|
|
do_test insert5-2.7 {
|
|
uses_temp_table { INSERT INTO b SELECT * FROM v2 }
|
|
} {0}
|
|
do_test insert5-2.8 {
|
|
uses_temp_table {
|
|
INSERT INTO b
|
|
SELECT * FROM main WHERE id > 10 AND max(id1, (SELECT id FROM b)) > 10;
|
|
}
|
|
} {1}
|
|
|
|
# UPDATE: Using a column from the outer query (main.id) in the GROUP BY
|
|
# or ORDER BY of a sub-query is no longer supported.
|
|
#
|
|
# do_test insert5-2.9 {
|
|
# uses_temp_table {
|
|
# INSERT INTO b
|
|
# SELECT * FROM main
|
|
# WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
|
|
# }
|
|
# } {}
|
|
do_test insert5-2.9 {
|
|
catchsql {
|
|
INSERT INTO b
|
|
SELECT * FROM main
|
|
WHERE id > 10 AND (SELECT count(*) FROM v2 GROUP BY main.id)
|
|
}
|
|
} {1 {no such column: main.id}}
|
|
|
|
finish_test
|