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When spider_db_delete_all_rows() is called, the supplied spider->conns may have already been freed. The existing mechanism has spider_trx own the connections in trx_conn_hash and it may free a conn during the cleanup after a query. When running a delete query and if the table is in the table cache, ha_spider::open() would not be called which would recreate the conn. So we recreate the conn when necessary during delete by calling spider_check_trx_and_get_conn(). We also reduce code duplication as delete_all_rows() and truncate() has almost identical code, and there's no need to assign wide_handler->sql_command in these functions because it has already been correctly assigned. |
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| .. | ||
| archive | ||
| blackhole | ||
| cassandra | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| mroonga | ||
| myisam | ||
| myisammrg | ||
| oqgraph | ||
| perfschema | ||
| rocksdb | ||
| sequence | ||
| sphinx | ||
| spider | ||
| test_sql_discovery | ||
| tokudb | ||