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Diffstat (limited to '')
-rw-r--r-- | test/index2.test | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/index2.test b/test/index2.test new file mode 100644 index 0000000..b1d7e22 --- /dev/null +++ b/test/index2.test @@ -0,0 +1,73 @@ +# 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 |