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drizzled/handler.cc
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  st_table_exists_in_engine_args args= {db, name, HA_ERR_NO_SUCH_TABLE};
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  plugin_foreach(session, table_exists_in_engine_handlerton,
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                 DRIZZLE_STORAGE_ENGINE_PLUGIN, &args);
 
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  if(args.err==HA_ERR_NO_SUCH_TABLE)
 
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  {
 
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    /* Default way of knowing if a table exists. (checking .frm exists) */
 
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    char path[FN_REFLEN];
 
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    build_table_filename(path, sizeof(path),
 
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                         db, name, ".frm", 0);
 
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    if (!access(path, F_OK))
 
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      args.err= HA_ERR_TABLE_EXIST;
 
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    else
 
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      args.err= HA_ERR_NO_SUCH_TABLE;
 
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  }
 
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  return(args.err);
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}
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