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Fix unquoted stmt fragments backslash escaping #3843

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merged 2 commits into from
Jan 22, 2020
Merged

Fix unquoted stmt fragments backslash escaping #3843

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b253361
A test case for issue #3640
rullzer Aug 2, 2019
bcf78d5
Fix regex for escaped literals
ChristophWurst Dec 5, 2019
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6 changes: 3 additions & 3 deletions lib/Doctrine/DBAL/SQLParserUtils.php
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Original file line number Diff line number Diff line change
Expand Up @@ -31,9 +31,9 @@ class SQLParserUtils
public const POSITIONAL_TOKEN = '\?';
public const NAMED_TOKEN = '(?<!:):[a-zA-Z_][a-zA-Z0-9_]*';
// Quote characters within string literals can be preceded by a backslash.
public const ESCAPED_SINGLE_QUOTED_TEXT = "(?:'(?:\\\\\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
public const ESCAPED_DOUBLE_QUOTED_TEXT = '(?:"(?:\\\\\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
public const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
public const ESCAPED_SINGLE_QUOTED_TEXT = "(?:'(?:\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
public const ESCAPED_DOUBLE_QUOTED_TEXT = '(?:"(?:\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
public const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
/**#@-*/

private const ESCAPED_BRACKET_QUOTED_TEXT = '(?<!\b(?i:ARRAY))\[(?:[^\]])*\]';
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2 changes: 1 addition & 1 deletion tests/Doctrine/Tests/DBAL/SQLParserUtilsTest.php
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Expand Up @@ -89,7 +89,7 @@ public static function dataGetPlaceholderPositions() : iterable
['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE "\\\\") AND (data.description LIKE :condition_1 ESCAPE \'\\\\\') ORDER BY id ASC', false, [121 => 'condition_0', 174 => 'condition_1']],
['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE `\\\\`) AND (data.description LIKE :condition_1 ESCAPE `\\\\`) ORDER BY id ASC', false, [121 => 'condition_0', 174 => 'condition_1']],
['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE \'\\\\\') AND (data.description LIKE :condition_1 ESCAPE `\\\\`) ORDER BY id ASC', false, [121 => 'condition_0', 174 => 'condition_1']],

["SELECT * FROM Foo WHERE (foo.bar LIKE :condition_0 ESCAPE '\') AND (foo.baz = :condition_1) AND (foo.bak LIKE :condition_2 ESCAPE '\')", false, [38 => 'condition_0', 78 => 'condition_1', 110 => 'condition_2']],
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I'd recommend using linebreaks here, but that would make the upmerge harder than it needs to be.

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Agree. This might not have happened if we had #3287 merged.

];
}

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