mirror of https://github.com/sqlite/sqlite
106 lines
2.5 KiB
Plaintext
106 lines
2.5 KiB
Plaintext
# 2001 September 23
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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 stressing the library by putting large amounts
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# of data in a single row of a table.
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#
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# $Id: bigrow.test,v 1.1 2001/09/24 03:12:40 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Make a big string that we can use for test data
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#
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do_test bigrow-1.0 {
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set ::bigstr {}
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for {set i 1} {$i<=9999} {incr i} {
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set sep [string index "abcdefghijklmnopqrstuvwxyz" [expr {$i%26}]]
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append ::bigstr "$sep [format %04d $i] "
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}
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string length $::bigstr
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} {69993}
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# Make a table into which we can insert some but records.
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#
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do_test bigrow-1.1 {
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execsql {
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CREATE TABLE t1(a text, b text, c text);
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SELECT name FROM sqlite_master
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WHERE type='table' OR type='index'
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ORDER BY name
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}
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} {t1}
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do_test bigrow-1.2 {
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set ::big1 [string range $::bigstr 0 65519]
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set sql "INSERT INTO t1 VALUES('abc',"
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append sql "'$::big1', 'xyz');"
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execsql $sql
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execsql {SELECT a, c FROM t1}
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} {abc xyz}
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do_test bigrow-1.3 {
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execsql {SELECT b FROM t1}
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} [list $::big1]
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do_test bigrow-1.4 {
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set sql "INSERT INTO t1 VALUES('abc',"
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append sql "'[string range $::bigstr 0 65520]', 'xyz');"
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set r [catch {execsql $sql} msg]
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lappend r $msg
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} {1 {too much data for one table row}}
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do_test bigrow-1.5 {
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execsql {
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UPDATE t1 SET a=b, b=a;
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SELECT b,c FROM t1
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}
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} {abc xyz}
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do_test bigrow-1.6 {
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execsql {
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SELECT * FROM t1
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}
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} [list $::big1 abc xyz]
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do_test bigrow-1.7 {
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execsql {
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INSERT INTO t1 VALUES('1','2','3');
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INSERT INTO t1 VALUES('A','B','C');
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SELECT b FROM t1 WHERE a=='1';
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}
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} {2}
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do_test bigrow-1.8 {
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execsql "SELECT b FROM t1 WHERE a=='$::big1'"
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} {abc}
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do_test bigrow-1.9 {
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execsql "SELECT b FROM t1 WHERE a!='$::big1' ORDER BY a"
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} {B 2}
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# Try doing some indexing on big columns
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#
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do_test bigrow-2.1 {
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execsql {
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CREATE INDEX i1 ON t1(a)
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}
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execsql "SELECT b FROM t1 WHERE a=='$::big1'"
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} {abc}
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do_test bigrow-2.2 {
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execsql {
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UPDATE t1 SET a=b, b=a
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}
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execsql "SELECT b FROM t1 WHERE a=='abc'"
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} [list $::big1]
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do_test bigrow-2.3 {
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execsql {
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UPDATE t1 SET a=b, b=a
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}
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execsql "SELECT b FROM t1 WHERE a=='$::big1'"
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} {abc}
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finish_test
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