collate8.test

来自「sqlite-3.4.1,嵌入式数据库.是一个功能强大的开源数据库,给学习和研发」· TEST 代码 · 共 53 行

#
# 2007 June 20
#
# 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 script is making sure collations pass through the
# unary + operator.
#
# $Id: collate8.test,v 1.1 2007/06/20 16:13:23 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test collate8-1.1 {
  execsql {
    CREATE TABLE t1(a TEXT COLLATE nocase);
    INSERT INTO t1 VALUES('aaa');
    INSERT INTO t1 VALUES('BBB');
    INSERT INTO t1 VALUES('ccc');
    INSERT INTO t1 VALUES('DDD');
    SELECT a FROM t1 ORDER BY a;
  }
} {aaa BBB ccc DDD}
do_test collate8-1.2 {
  execsql {
    SELECT rowid FROM t1 WHERE a<'ccc' ORDER BY 1
  }
} {1 2}
do_test collate8-1.3 {
  execsql {
    SELECT rowid FROM t1 WHERE a<'ccc' COLLATE binary ORDER BY 1
  }
} {1 2 4}
do_test collate8-1.4 {
  execsql {
    SELECT rowid FROM t1 WHERE +a<'ccc' ORDER BY 1
  }
} {1 2}
do_test collate8-1.5 {
  execsql {
    SELECT a FROM t1 ORDER BY +a
  }
} {aaa BBB ccc DDD}

finish_test