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  1. MariaDB Server
  2. MDEV-5357

REGEXP word boundaries don't work

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.0.5, 10.0.6
    • 10.0.7
    • None
    • None
    • Centos 6.4

    Description

      Since the switch to pcre, word boundary queries such as SELECT 'a word a' REGEXP '[[:<:]]word[[:>:]]'; no longer work because it tries to parse [[:<:]] as a character class name.

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          jamessharpe James Sharpe created issue -
          jamessharpe James Sharpe made changes -
          Field Original Value New Value
          Environment Centos 5 Centos 6.4
          serg Sergei Golubchik made changes -
          Fix Version/s 10.0.7 [ 14100 ]
          serg Sergei Golubchik made changes -
          Comment [ No, it does not. MySQL uses Henry Spencer's regex library, while MariaDB — since 10.0.5 — uses PCRE library. Unfortunately, it doesn't support non-standard [[:<:]] and [[:>:]], and old Henry Spencer's library doesn't support modern \b syntax.

          But PCRE is being actively developed, and there's a good chance that it'll support [[:<:]] and [[:>:]] for compatibility with the (fairly popular) Henry Spencer's library. ]
          bar Alexander Barkov made changes -
          Resolution Fixed [ 1 ]
          Status Open [ 1 ] Closed [ 6 ]
          bar Alexander Barkov made changes -
          Assignee Alexander Barkov [ bar ]
          Resolution Fixed [ 1 ]
          Status Closed [ 6 ] Reopened [ 4 ]
          bar Alexander Barkov made changes -
          Resolution Fixed [ 1 ]
          Status Reopened [ 4 ] Closed [ 6 ]
          serg Sergei Golubchik made changes -
          Workflow defaullt [ 30507 ] MariaDB v2 [ 43499 ]
          ratzpo Rasmus Johansson (Inactive) made changes -
          Workflow MariaDB v2 [ 43499 ] MariaDB v3 [ 62622 ]
          serg Sergei Golubchik made changes -
          Workflow MariaDB v3 [ 62622 ] MariaDB v4 [ 147275 ]

          People

            bar Alexander Barkov
            jamessharpe James Sharpe
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            Dates

              Created:
              Updated:
              Resolved:

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