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dbms: Server: Fixed behavior of LIKE. Now % correctly matches newlines. [#METR-17588]

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This commit is contained in:
Alexey Arno 2015-09-03 15:09:47 +03:00
parent 0e26b64968
commit 1491260e3b
3 changed files with 23 additions and 1 deletions
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2
dbms/include/DB/Functions/FunctionsStringSearch.h
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@ -180,7 +180,7 @@ inline String likePatternToRegexp(const String & pattern)
break;
case '%':
if (pos + 1 != end)
res += ".*";
res += "(?:.|\n)*";
else
return res;
break;

11
dbms/tests/queries/0_stateless/00218_like_regexp_newline.reference Normal file
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@ -0,0 +1,11 @@
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11
dbms/tests/queries/0_stateless/00218_like_regexp_newline.sql Normal file
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@ -0,0 +1,11 @@
SELECT 'abcdef' LIKE '%abc%def%';
SELECT 'abctdef' LIKE '%abc%def%';
SELECT 'abc\ndef' LIKE '%abc%def%';
SELECT 'abc\ntdef' LIKE '%abc%def%';
SELECT 'abct\ndef' LIKE '%abc%def%';
SELECT 'abc\n\ndef' LIKE '%abc%def%';
SELECT 'abc\n\ntdef' LIKE '%abc%def%';
SELECT 'abc\nt\ndef' LIKE '%abc%def%';
SELECT 'abct\n\ndef' LIKE '%abc%def%';
SELECT 'ab\ndef' LIKE '%abc%def%';
SELECT 'abc\nef' LIKE '%abc%def%';