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Interpret search tokens in the for "_..." as substring search

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Summary: Ref T13632. Users searching for `__FILE__`, etc., almost certainly mean to perform a substring search.

Test Plan: Added tests and made them pass. Searched for various tokens, saw compiler interpretation in UI.

Maniphest Tasks: T13632

Differential Revision: https://secure.phabricator.com/D21602
This commit is contained in:
epriestley 2021-03-10 11:43:15 -08:00
parent afdef332fb
commit 4cff4dc68b
2 changed files with 32 additions and 5 deletions
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23
src/applications/search/compiler/PhutilSearchQueryCompiler.php
View file

@ -284,11 +284,24 @@ final class PhutilSearchQueryCompiler
$operator = self::OPERATOR_AND;
break;
case '':
// See T12995. If this query term contains Chinese, Japanese or
// Korean characters, treat the term as a substring term by default.
// These languages do not separate words with spaces, so the term
// search mode is normally useless.
if ($enable_functions && !$is_quoted && phutil_utf8_is_cjk($value)) {
$use_substring = false;
if ($enable_functions && !$is_quoted) {
// See T12995. If this query term contains Chinese, Japanese or
// Korean characters, treat the term as a substring term by default.
// These languages do not separate words with spaces, so the term
// search mode is normally useless.
if (phutil_utf8_is_cjk($value)) {
$use_substring = true;
} else if (phutil_preg_match('/^_/', $value)) {
// See T13632. Assume users searching for any term that begins
// with an undescore intend to perform substring search if they
// don't provide an explicit search function.
$use_substring = true;
}
}
if ($use_substring) {
$operator = self::OPERATOR_SUBSTRING;
} else {
$operator = self::OPERATOR_AND;

14
src/applications/search/compiler/__tests__/PhutilSearchQueryCompilerTestCase.php
View file

@ -205,6 +205,20 @@ final class PhutilSearchQueryCompilerTestCase
'xyz',
),
),
// See T12995. Interpret CJK tokens as substring queries since these
// languages do not use spaces as word separators.
"\xE7\x8C\xAB" => array(
array(null, $op_sub, "\xE7\x8C\xAB"),
),
// See T13632. Interpret tokens that begin with "_" as substring tokens
// if no function is specified.
'_x _y_ "_z_"' => array(
array(null, $op_sub, '_x'),
array(null, $op_sub, '_y_'),
array(null, $op_and, '_z_'),
),
);
$this->assertCompileFunctionQueries($function_tests);