74 lines
1.7 KiB
Plaintext
74 lines
1.7 KiB
Plaintext
# 2005-01-11
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the CREATE INDEX statement.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Create a table with a large number of columns
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#
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do_test index2-1.1 {
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set sql {CREATE TABLE t1(}
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for {set i 1} {$i<1000} {incr i} {
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append sql "c$i,"
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}
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append sql "c1000);"
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execsql $sql
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} {}
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do_test index2-1.2 {
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set sql {INSERT INTO t1 VALUES(}
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for {set i 1} {$i<1000} {incr i} {
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append sql $i,
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}
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append sql {1000);}
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execsql $sql
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} {}
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do_test index2-1.3 {
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execsql {SELECT c123 FROM t1}
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} 123
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do_test index2-1.4 {
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execsql BEGIN
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for {set j 1} {$j<=100} {incr j} {
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set sql {INSERT INTO t1 VALUES(}
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for {set i 1} {$i<1000} {incr i} {
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append sql [expr {$j*10000+$i}],
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}
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append sql "[expr {$j*10000+1000}]);"
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execsql $sql
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}
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execsql COMMIT
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execsql {SELECT count(*) FROM t1}
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} 101
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do_test index2-1.5 {
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execsql {SELECT round(sum(c1000)) FROM t1}
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} {50601000.0}
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# Create indices with many columns
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#
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do_test index2-2.1 {
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set sql "CREATE INDEX t1i1 ON t1("
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for {set i 1} {$i<1000} {incr i} {
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append sql c$i,
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}
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append sql c1000)
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execsql $sql
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} {}
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do_test index2-2.2 {
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ifcapable explain {
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execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}
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}
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execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}
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} {9 10009 20009 30009 40009}
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finish_test
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