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MDEV-18205 Assertion `str_length < len' failed in Binary_string::realloc_raw

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Bug was introduced in this commit:

  commit: a9ca819897
      Call alloc() instead of realloc()
      Use alloc() if we don't need original string (avoid copy)
      Removed not needed test of str_length in sql_string.cc

copy_if_not_alloced() was forgotten when changing realloc()'s to alloc()'s.
Changing it now.
This commit is contained in:
Alexander Barkov
2019-01-14 20:51:05 +04:00
parent aad0165cea
commit 29f77d41f5
3 changed files with 29 additions and 1 deletions
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16
mysql-test/main/func_str.test
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@@ -1951,3 +1951,19 @@ DROP TABLE t1;
--echo #
--echo # End of 10.3 tests
--echo #
--echo #
--echo # Start of 10.4 tests
--echo #
--echo #
--echo # MDEV-18205 Assertion `str_length < len' failed in Binary_string::realloc_raw
--echo #
SELECT GROUP_CONCAT( UpdateXML( '<a>new year</a>', '/a', '2019-01-01 00:00:00' ), ENCODE('text','pass') ) AS f;
--echo #
--echo # End of 10.4 tests
--echo #