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Patch two (the final one) for Bug#7306 "the server side preparedStatement

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error for LIMIT placeholder".
The patch adds grammar support for LIMIT ?, ? and changes the
type of ST_SELECT_LEX::select_limit,offset_limit from ha_rows to Item*,
so that it can point to Item_param.
This commit is contained in:
konstantin@mysql.com
2005-06-07 14:11:36 +04:00
parent 7288ef873f
commit 9f379d7f05
25 changed files with 203 additions and 132 deletions
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11
sql/sql_handler.cc
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@ -321,8 +321,8 @@ bool mysql_ha_close(THD *thd, TABLE_LIST *tables)
key_expr
ha_rkey_mode
cond
select_limit
offset_limit
select_limit_cnt
offset_limit_cnt
RETURN
FALSE ok
@ -333,7 +333,7 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
enum enum_ha_read_modes mode, char *keyname,
List<Item> *key_expr,
enum ha_rkey_function ha_rkey_mode, Item *cond,
ha_rows select_limit,ha_rows offset_limit)
ha_rows select_limit_cnt, ha_rows offset_limit_cnt)
{
TABLE_LIST *hash_tables;
TABLE *table;
@ -429,7 +429,6 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
if (insert_fields(thd, tables, tables->db, tables->alias, &it, 0, 0))
goto err0;
select_limit+=offset_limit;
protocol->send_fields(&list, Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF);
HANDLER_TABLES_HACK(thd);
@ -447,7 +446,7 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
table->file->init_table_handle_for_HANDLER();
for (num_rows=0; num_rows < select_limit; )
for (num_rows=0; num_rows < select_limit_cnt; )
{
switch (mode) {
case RFIRST:
@ -535,7 +534,7 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
}
if (cond && !cond->val_int())
continue;
if (num_rows >= offset_limit)
if (num_rows >= offset_limit_cnt)
{
Item *item;
protocol->prepare_for_resend();