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Postgre: fixed %like escaping [Closes #159]

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This commit is contained in:
Miloslav Hůla
2015-01-22 17:21:44 +01:00
parent 97b50bd243
commit 91e2d76a0a
3 changed files with 28 additions and 5 deletions
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3
dibi/drivers/DibiPdoDriver.php
View File

@@ -318,8 +318,9 @@ class DibiPdoDriver extends DibiObject implements IDibiDriver, IDibiResultDriver
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'"); return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
case 'pgsql': case 'pgsql':
$bs = substr($this->connection->quote('\\', PDO::PARAM_STR), 1, -1); // standard_conforming_strings = on/off
$value = substr($this->connection->quote($value, PDO::PARAM_STR), 1, -1); $value = substr($this->connection->quote($value, PDO::PARAM_STR), 1, -1);
$value = strtr($value, array( '%' => '\\\\%', '_' => '\\\\_')); $value = strtr($value, array('%' => $bs . '%', '_' => $bs . '_', '\\' => '\\\\'));
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'"); return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
case 'sqlite': case 'sqlite':

3
dibi/drivers/DibiPostgreDriver.php
View File

@@ -310,8 +310,9 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver, IDibiResultDr
*/ */
public function escapeLike($value, $pos) public function escapeLike($value, $pos)
{ {
$bs = pg_escape_string($this->connection, '\\'); // standard_conforming_strings = on/off
$value = pg_escape_string($this->connection, $value); $value = pg_escape_string($this->connection, $value);
$value = strtr($value, array( '%' => '\\\\%', '_' => '\\\\_')); $value = strtr($value, array('%' => $bs . '%', '_' => $bs . '_', '\\' => '\\\\'));
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'"); return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
} }

27
tests/dibi/DibiTranslator.phpt
View File

@@ -198,15 +198,36 @@ Assert::same(
// like // like
if ($config['driver'] !== 'sqlite') { // sqlite2 $args = array(
"SELECT * FROM products WHERE (title LIKE %like~ AND title LIKE %~like) OR title LIKE %~like~",
'C',
'r',
"a\n%_\\'\""
);
if ($config['system'] === 'pgsql') {
$conn->query('SET escape_string_warning = off'); // do not log warnings
$conn->query('SET standard_conforming_strings = off');
Assert::same(
"SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n\\\\%\\\\_\\\\\\\\''\"%'",
$conn->translate($args[0], $args[1], $args[2], $args[3])
);
$conn->query('SET standard_conforming_strings = on');
Assert::same(
"SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n\\%\\_\\\\''\"%'",
$conn->translate($args[0], $args[1], $args[2], $args[3])
);
} elseif ($config['driver'] !== 'sqlite') { // sqlite2
Assert::same( Assert::same(
reformat(array( reformat(array(
'sqlite' => "SELECT * FROM products WHERE (title LIKE 'C%' ESCAPE '\\' AND title LIKE '%r' ESCAPE '\\') OR title LIKE '%a\n\\%\\_\\\\''\"%' ESCAPE '\\'", 'sqlite' => "SELECT * FROM products WHERE (title LIKE 'C%' ESCAPE '\\' AND title LIKE '%r' ESCAPE '\\') OR title LIKE '%a\n\\%\\_\\\\''\"%' ESCAPE '\\'",
'odbc' => "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n[%][_]\\''\"%'", 'odbc' => "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n[%][_]\\''\"%'",
'pgsql' => "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n\\\\%\\\\_\\''\"%'",
"SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\\n\\%\\_\\\\\\\\\'\"%'", "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\\n\\%\\_\\\\\\\\\'\"%'",
)), )),
$conn->translate("SELECT * FROM products WHERE (title LIKE %like~ AND title LIKE %~like) OR title LIKE %~like~", 'C', 'r', "a\n%_\\'\"") $conn->translate($args[0], $args[1], $args[2], $args[3])
); );
} }