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Merge bk-internal.mysql.com:/home/bk/mysql-5.0-engines

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into  chilla.local:/home/mydev/mysql-5.0-bug12240


sql/sql_select.cc:
  Auto merged
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unknown
2006-10-16 17:12:57 +02:00
parent 05d8dc82b4 2e9103b844
commit 7fdcb25574
1 changed files with 18 additions and 6 deletions
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24
sql/sql_select.cc
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@ -1375,12 +1375,13 @@ JOIN::exec()
thd->examined_row_count= 0; thd->examined_row_count= 0;
DBUG_VOID_RETURN; DBUG_VOID_RETURN;
} }
/* /*
don't reset the found rows count if there're no tables Don't reset the found rows count if there're no tables as
as FOUND_ROWS() may be called. FOUND_ROWS() may be called. Never reset the examined row count here.
*/ It must be accumulated from all join iterations of all join parts.
*/
if (tables) if (tables)
thd->limit_found_rows= thd->examined_row_count= 0; thd->limit_found_rows= 0;
if (zero_result_cause) if (zero_result_cause)
{ {
@ -1428,6 +1429,12 @@ JOIN::exec()
List<Item> *curr_all_fields= &all_fields; List<Item> *curr_all_fields= &all_fields;
List<Item> *curr_fields_list= &fields_list; List<Item> *curr_fields_list= &fields_list;
TABLE *curr_tmp_table= 0; TABLE *curr_tmp_table= 0;
/*
Initialize examined rows here because the values from all join parts
must be accumulated in examined_row_count. Hence every join
iteration must count from zero.
*/
curr_join->examined_rows= 0;
if ((curr_join->select_lex->options & OPTION_SCHEMA_TABLE) && if ((curr_join->select_lex->options & OPTION_SCHEMA_TABLE) &&
get_schema_tables_result(curr_join)) get_schema_tables_result(curr_join))
@ -1834,9 +1841,12 @@ JOIN::exec()
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF); Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF);
error= do_select(curr_join, curr_fields_list, NULL, procedure); error= do_select(curr_join, curr_fields_list, NULL, procedure);
thd->limit_found_rows= curr_join->send_records; thd->limit_found_rows= curr_join->send_records;
thd->examined_row_count= curr_join->examined_rows;
} }
/* Accumulate the counts from all join iterations of all join parts. */
thd->examined_row_count+= curr_join->examined_rows;
DBUG_PRINT("counts", ("thd->examined_row_count: %lu",
(ulong) thd->examined_row_count));
DBUG_VOID_RETURN; DBUG_VOID_RETURN;
} }
@ -10141,6 +10151,8 @@ evaluate_join_record(JOIN *join, JOIN_TAB *join_tab,
*/ */
join->examined_rows++; join->examined_rows++;
join->thd->row_count++; join->thd->row_count++;
DBUG_PRINT("counts", ("join->examined_rows++: %lu",
(ulong) join->examined_rows));
if (found) if (found)
{ {