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  1. MariaDB Connector/Python
  2. CONPY-209

mariadb connector fails on information schema query containing non-ascii characters

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 1.1.2
    • Fix Version/s: 1.1.3
    • Component/s: DBAPI 2.0
    • Labels:
      None
    • Environment:
      mariadb-connector-c was upgraded from 3.1.13 to 3.2.7, Fedora linux mariadb server 10.5 and 10.6
    • Python Version:
      3.10

      Description

      query containing non-ascii characters fails as of 1.1.2, no issues previously, works with other DB libraries, replace `col_Unitéble_id_seq` with an all ascii name and no issue

      import mariadb
       
       
      conn = mariadb.connect(
          user="scott", password="tiger", host="localhost", db="test",
      )
       
       
      cursor = conn.cursor()
       
      cursor.execute(
          f"SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE "
          f"TABLE_TYPE='SEQUENCE' and TABLE_NAME=? and TABLE_SCHEMA=?",
          ("col_Unitéble_id_seq", "foobar")
      )
       
      cursor.close()
       
      conn.close()
       
      
      

      output:

      Traceback (most recent call last):
        File "/home/classic/dev/sqlalchemy/test3.py", line 11, in <module>
          cursor.execute(
        File "/home/classic/.venv3/lib/python3.10/site-packages/mariadb/cursors.py", line 293, in execute
          self._readresponse()
      mariadb.ProgrammingError: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '"foobar"?' at line 1
      
      

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            Assignee:
            georg Georg Richter
            Reporter:
            zzzeek Mike Bayer
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              Dates

              Created:
              Updated:
              Resolved:

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