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Add tests to join.test to verify that it is not possible to use more than 64 tables in a join. 

FossilOrigin-Name: ef1a998625e1fc051732228844388d6c59665382
This commit is contained in:
dan 2014-03-05 16:15:07 +00:00
parent 6d1626eb7c
commit 13ef14afc1
3 changed files with 34 additions and 8 deletions
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D 2014-03-05T15:52:43.396
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test/join.test
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@ -641,4 +641,30 @@ do_test join-11.10 {
execsql { SELECT * FROM t2 NATURAL JOIN t1 }
} {1 one 2 two}
#-------------------------------------------------------------------------
# Test that at most 64 tables are allowed in a join.
#
do_execsql_test join-12.1 {
CREATE TABLE t14(x);
INSERT INTO t14 VALUES('abcdefghij');
}
proc jointest {tn nTbl res} {
set sql "SELECT 1 FROM [string repeat t14, [expr $nTbl-1]] t14;"
uplevel [list do_catchsql_test $tn $sql $res]
}
jointest join-12.2 30 {0 1}
jointest join-12.3 63 {0 1}
jointest join-12.4 64 {0 1}
jointest join-12.5 65 {1 {at most 64 tables in a join}}
jointest join-12.6 66 {1 {at most 64 tables in a join}}
jointest join-12.7 127 {1 {at most 64 tables in a join}}
jointest join-12.8 128 {1 {at most 64 tables in a join}}
jointest join-12.9 1000 {1 {at most 64 tables in a join}}
jointest join-12.10 65534 {1 {at most 64 tables in a join}}
jointest join-12.11 65535 {1 {too many references to "t14": max 65535}}
jointest join-12.12 65536 {1 {too many references to "t14": max 65535}}
jointest join-12.13 65537 {1 {too many references to "t14": max 65535}}
finish_test