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| 1 # 2005 January 11 |
| 2 # |
| 3 # The author disclaims copyright to this source code. In place of |
| 4 # a legal notice, here is a blessing: |
| 5 # |
| 6 # May you do good and not evil. |
| 7 # May you find forgiveness for yourself and forgive others. |
| 8 # May you share freely, never taking more than you give. |
| 9 # |
| 10 #*********************************************************************** |
| 11 # This file implements regression tests for SQLite library. The |
| 12 # focus of this file is testing the CREATE INDEX statement. |
| 13 # |
| 14 # $Id: index2.test,v 1.3 2006/03/03 19:12:30 drh Exp $ |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 |
| 19 # Create a table with a large number of columns |
| 20 # |
| 21 do_test index2-1.1 { |
| 22 set sql {CREATE TABLE t1(} |
| 23 for {set i 1} {$i<1000} {incr i} { |
| 24 append sql "c$i," |
| 25 } |
| 26 append sql "c1000);" |
| 27 execsql $sql |
| 28 } {} |
| 29 do_test index2-1.2 { |
| 30 set sql {INSERT INTO t1 VALUES(} |
| 31 for {set i 1} {$i<1000} {incr i} { |
| 32 append sql $i, |
| 33 } |
| 34 append sql {1000);} |
| 35 execsql $sql |
| 36 } {} |
| 37 do_test index2-1.3 { |
| 38 execsql {SELECT c123 FROM t1} |
| 39 } 123 |
| 40 do_test index2-1.4 { |
| 41 execsql BEGIN |
| 42 for {set j 1} {$j<=100} {incr j} { |
| 43 set sql {INSERT INTO t1 VALUES(} |
| 44 for {set i 1} {$i<1000} {incr i} { |
| 45 append sql [expr {$j*10000+$i}], |
| 46 } |
| 47 append sql "[expr {$j*10000+1000}]);" |
| 48 execsql $sql |
| 49 } |
| 50 execsql COMMIT |
| 51 execsql {SELECT count(*) FROM t1} |
| 52 } 101 |
| 53 do_test index2-1.5 { |
| 54 execsql {SELECT round(sum(c1000)) FROM t1} |
| 55 } {50601000.0} |
| 56 |
| 57 # Create indices with many columns |
| 58 # |
| 59 do_test index2-2.1 { |
| 60 set sql "CREATE INDEX t1i1 ON t1(" |
| 61 for {set i 1} {$i<1000} {incr i} { |
| 62 append sql c$i, |
| 63 } |
| 64 append sql c1000) |
| 65 execsql $sql |
| 66 } {} |
| 67 do_test index2-2.2 { |
| 68 ifcapable explain { |
| 69 execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5} |
| 70 } |
| 71 execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5} |
| 72 } {9 10009 20009 30009 40009} |
| 73 |
| 74 finish_test |
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