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MCOL-3672 Fix double-DML execution

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Direct update/delete executed doUpdateDelete as well as the regular
execution route for doUpdateDelete.

This patch only executes doUpdateDelete the first time and direct
update/delete collects the counts.
This commit is contained in:
Andrew Hutchings
2019-12-12 22:58:20 +00:00
parent 1fea11337c
commit 9734a25a35
2 changed files with 15 additions and 10 deletions
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21
dbcon/mysql/ha_mcs_impl.cpp
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@ -1194,7 +1194,7 @@ vector<string> getOnUpdateTimestampColumns(string& schema, string& tableName, in
return returnVal;
}
uint32_t doUpdateDelete(THD* thd, gp_walk_info& gwi, ha_rows *affected_rows)
uint32_t doUpdateDelete(THD* thd, gp_walk_info& gwi)
{
if (get_fe_conn_info_ptr() == NULL)
set_fe_conn_info_ptr((void*)new cal_connection_info());
@ -2218,8 +2218,7 @@ uint32_t doUpdateDelete(THD* thd, gp_walk_info& gwi, ha_rows *affected_rows)
}
else
{
if (affected_rows)
*affected_rows = dmlRowCount;
ci->affectedRows = dmlRowCount;
}
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE, errorMsg.c_str());
@ -2227,8 +2226,7 @@ uint32_t doUpdateDelete(THD* thd, gp_walk_info& gwi, ha_rows *affected_rows)
else
{
// if (dmlRowCount != 0) //Bug 5117. Handling self join.
if (affected_rows)
*affected_rows = dmlRowCount;
ci->affectedRows = dmlRowCount;
//cout << " error status " << ci->rc << " and rowcount = " << dmlRowCount << endl;
}
@ -2289,8 +2287,13 @@ int ha_mcs_impl_direct_update_delete_rows(ha_rows *affected_rows)
cal_impl_if::gp_walk_info gwi;
gwi.thd = thd;
int rc = doUpdateDelete(thd, gwi, affected_rows);
return rc;
cal_connection_info* ci = reinterpret_cast<cal_connection_info*>(get_fe_conn_info_ptr());
if (ci)
{
*affected_rows = ci->affectedRows;
}
return 0;
}
int ha_mcs_impl_rnd_init(TABLE* table)
@ -2352,7 +2355,7 @@ int ha_mcs_impl_rnd_init(TABLE* table)
//Update and delete code
if ( ((thd->lex)->sql_command == SQLCOM_UPDATE) || ((thd->lex)->sql_command == SQLCOM_DELETE) || ((thd->lex)->sql_command == SQLCOM_DELETE_MULTI) || ((thd->lex)->sql_command == SQLCOM_UPDATE_MULTI))
return doUpdateDelete(thd, gwi, NULL);
return doUpdateDelete(thd, gwi);
uint32_t sessionID = tid2sid(thd->thread_id);
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
@ -4899,7 +4902,7 @@ int ha_cs_impl_pushdown_init(mcs_handler_info* handler_info, TABLE* table)
//Update and delete code
if ( ((thd->lex)->sql_command == SQLCOM_UPDATE) || ((thd->lex)->sql_command == SQLCOM_DELETE) || ((thd->lex)->sql_command == SQLCOM_DELETE_MULTI) || ((thd->lex)->sql_command == SQLCOM_UPDATE_MULTI))
return doUpdateDelete(thd, gwi, NULL);
return doUpdateDelete(thd, gwi);
uint32_t sessionID = tid2sid(thd->thread_id);
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);