| Index: third_party/sqlite/src/test/join3.test
|
| diff --git a/third_party/sqlite/src/test/join3.test b/third_party/sqlite/src/test/join3.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..f1c273d1d0060f1adccd7cac432dd62390fe74d7
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/join3.test
|
| @@ -0,0 +1,62 @@
|
| +# 2002 May 24
|
| +#
|
| +# 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.
|
| +#
|
| +#***********************************************************************
|
| +# This file implements regression tests for SQLite library.
|
| +#
|
| +# This file implements tests for joins, including outer joins, where
|
| +# there are a large number of tables involved in the join.
|
| +#
|
| +# $Id: join3.test,v 1.4 2005/01/19 23:24:51 drh Exp $
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +# An unrestricted join
|
| +#
|
| +catch {unset ::result}
|
| +set result {}
|
| +for {set N 1} {$N<=$bitmask_size} {incr N} {
|
| + lappend result $N
|
| + do_test join3-1.$N {
|
| + execsql "CREATE TABLE t${N}(x);"
|
| + execsql "INSERT INTO t$N VALUES($N)"
|
| + set sql "SELECT * FROM t1"
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| + for {set i 2} {$i<=$N} {incr i} {append sql ", t$i"}
|
| + execsql $sql
|
| + } $result
|
| +}
|
| +
|
| +# Joins with a comparison
|
| +#
|
| +set result {}
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| +for {set N 1} {$N<=$bitmask_size} {incr N} {
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| + lappend result $N
|
| + do_test join3-2.$N {
|
| + set sql "SELECT * FROM t1"
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| + for {set i 2} {$i<=$N} {incr i} {append sql ", t$i"}
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| + set sep WHERE
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| + for {set i 1} {$i<$N} {incr i} {
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| + append sql " $sep t[expr {$i+1}].x==t$i.x+1"
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| + set sep AND
|
| + }
|
| + execsql $sql
|
| + } $result
|
| +}
|
| +
|
| +# Error of too many tables in the join
|
| +#
|
| +do_test join3-3.1 {
|
| + set sql "SELECT * FROM t1 AS t0, t1"
|
| + for {set i 2} {$i<=$bitmask_size} {incr i} {append sql ", t$i"}
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| + catchsql $sql
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| +} [list 1 "at most $bitmask_size tables in a join"]
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| +
|
| +
|
| +finish_test
|
|
|