Index: third_party/sqlite/sqlite-src-3070603/test/join3.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/join3.test b/third_party/sqlite/sqlite-src-3070603/test/join3.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f1c273d1d0060f1adccd7cac432dd62390fe74d7 |
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+# 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($N)" |
+ set sql "SELECT * FROM t1" |
+ for {set i 2} {$i<=$N} {incr i} {append sql ", t$i"} |
+ execsql $sql |
+ } $result |
+} |
+ |
+# Joins with a comparison |
+# |
+set result {} |
+for {set N 1} {$N<=$bitmask_size} {incr N} { |
+ lappend result $N |
+ do_test join3-2.$N { |
+ set sql "SELECT * FROM t1" |
+ for {set i 2} {$i<=$N} {incr i} {append sql ", t$i"} |
+ set sep WHERE |
+ for {set i 1} {$i<$N} {incr i} { |
+ append sql " $sep t[expr {$i+1}].x==t$i.x+1" |
+ 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"} |
+ catchsql $sql |
+} [list 1 "at most $bitmask_size tables in a join"] |
+ |
+ |
+finish_test |