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+# 2005-01-11
+#
+# 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. The
+# focus of this file is testing the CREATE INDEX statement.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Create a table with a large number of columns
+#
+do_test index2-1.1 {
+ set sql {CREATE TABLE t1(}
+ for {set i 1} {$i<1000} {incr i} {
+ append sql "c$i,"
+ }
+ append sql "c1000);"
+ execsql $sql
+} {}
+do_test index2-1.2 {
+ set sql {INSERT INTO t1 VALUES(}
+ for {set i 1} {$i<1000} {incr i} {
+ append sql $i,
+ }
+ append sql {1000);}
+ execsql $sql
+} {}
+do_test index2-1.3 {
+ execsql {SELECT c123 FROM t1}
+} 123
+do_test index2-1.4 {
+ execsql BEGIN
+ for {set j 1} {$j<=100} {incr j} {
+ set sql {INSERT INTO t1 VALUES(}
+ for {set i 1} {$i<1000} {incr i} {
+ append sql [expr {$j*10000+$i}],
+ }
+ append sql "[expr {$j*10000+1000}]);"
+ execsql $sql
+ }
+ execsql COMMIT
+ execsql {SELECT count(*) FROM t1}
+} 101
+do_test index2-1.5 {
+ execsql {SELECT round(sum(c1000)) FROM t1}
+} {50601000.0}
+
+# Create indices with many columns
+#
+do_test index2-2.1 {
+ set sql "CREATE INDEX t1i1 ON t1("
+ for {set i 1} {$i<1000} {incr i} {
+ append sql c$i,
+ }
+ append sql c1000)
+ execsql $sql
+} {}
+do_test index2-2.2 {
+ ifcapable explain {
+ execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}
+ }
+ execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}
+} {9 10009 20009 30009 40009}
+
+finish_test