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dbms: fixed error [#METR-15387].
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commit
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@ -395,14 +395,21 @@ struct MatchImpl
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if (required_substring.empty())
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{
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size_t prev_offset = 0;
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for (size_t i = 0; i < size; ++i)
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if (!regexp->getRE2()) /// Пустой регексп. Всегда матчит.
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{
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res[i] = revert ^ regexp->getRE2()->Match(
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re2_st::StringPiece(reinterpret_cast<const char *>(&data[prev_offset]), offsets[i] - prev_offset - 1),
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0, offsets[i] - prev_offset - 1, re2_st::RE2::UNANCHORED, nullptr, 0);
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memset(&res[0], 1, size * sizeof(res[0]));
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}
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else
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{
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size_t prev_offset = 0;
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for (size_t i = 0; i < size; ++i)
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{
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res[i] = revert ^ regexp->getRE2()->Match(
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re2_st::StringPiece(reinterpret_cast<const char *>(&data[prev_offset]), offsets[i] - prev_offset - 1),
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0, offsets[i] - prev_offset - 1, re2_st::RE2::UNANCHORED, nullptr, 0);
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prev_offset = offsets[i];
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prev_offset = offsets[i];
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}
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}
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}
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else
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@ -0,0 +1,2 @@
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1
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1
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2
dbms/tests/queries/0_stateless/00144_empty_regexp.sql
Normal file
2
dbms/tests/queries/0_stateless/00144_empty_regexp.sql
Normal file
@ -0,0 +1,2 @@
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SELECT match(materialize('Hello'), '');
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SELECT match('Hello', '');
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16
dbms/tests/queries/0_stateless/00145_empty_likes.reference
Normal file
16
dbms/tests/queries/0_stateless/00145_empty_likes.reference
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@ -0,0 +1,16 @@
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0
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1
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1
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1
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1
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0
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1
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1
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0
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1
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1
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1
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1
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0
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1
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1
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18
dbms/tests/queries/0_stateless/00145_empty_likes.sql
Normal file
18
dbms/tests/queries/0_stateless/00145_empty_likes.sql
Normal file
@ -0,0 +1,18 @@
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SELECT materialize('Hello') LIKE '';
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SELECT materialize('Hello') LIKE '%';
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SELECT materialize('Hello') LIKE '%%';
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SELECT materialize('Hello') LIKE '%%%';
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SELECT materialize('Hello') LIKE '%_%';
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SELECT materialize('Hello') LIKE '_';
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SELECT materialize('Hello') LIKE '_%';
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SELECT materialize('Hello') LIKE '%_';
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SELECT 'Hello' LIKE '';
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SELECT 'Hello' LIKE '%';
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SELECT 'Hello' LIKE '%%';
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SELECT 'Hello' LIKE '%%%';
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SELECT 'Hello' LIKE '%_%';
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SELECT 'Hello' LIKE '_';
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SELECT 'Hello' LIKE '_%';
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SELECT 'Hello' LIKE '%_';
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