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  1. MariaDB Server
  2. MDEV-29455

mysql_ha_read attempts table read after 'Access denied' for server created by CREATE SERVER | Got error 12701 when reading table

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    Description

      INSTALL PLUGIN Spider SONAME 'ha_spider.so';
      		 
      CREATE SERVER srv FOREIGN DATA WRAPPER MYSQL OPTIONS (SOCKET '../socket.sock', DATABASE 'test', USER 'Spider', PASSWORD 'PWD123');
      		 
      CREATE TABLE t1 (a INT, b CHAR(10), c CHAR(10), filler CHAR(10), PRIMARY KEY(a, b (2)), UNIQUE KEY(a, c (2))) CHARACTER SET ucs2 ENGINE=Spider COMMENT='WRAPPER "mysql", srv "srv", TABLE "t"';
      		 
      HANDLER t1 OPEN;
      		 
      HANDLER t1 READ a>(1);

      Leads to (in the CLI):

      10.11.0 bc563f1a4b0b38de3b41fd0f0d3d8b7f1aacbd8b (Optimized)

      		 
      10.11.0-opt>HANDLER t1 OPEN;
      		 
      Query OK, 0 rows affected, 4 warnings (0.006 sec)
      		 
       
      		 
      10.11.0-opt>HANDLER t1 READ a>(1);
      		 
      ERROR 1429 (HY000): Unable to connect to foreign data source: srv

      Yet in the error log we see;

      10.11.0 bc563f1a4b0b38de3b41fd0f0d3d8b7f1aacbd8b (Optimized)

      		 
      2022-09-03 10:48:20 25 [Warning] Access denied for user 'Spider'@'localhost' (using password: YES)
      		 
      2022-09-03 10:48:20 4 [ERROR] mysql_ha_read: Got error 12701 when reading table 't1'

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-26543 Spider: [ERROR] Got error 12701 when reading table './test/t' on SELECT

          • Major - Major loss of function.
          • Stalled

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              holyfoot Alexey Botchkov
              Roel Roel Van de Paar
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                Updated:

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