database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-10597 Cursors with parameters

Browse Source
This commit is contained in:
Alexander Barkov
2016-10-21 11:51:49 +04:00
parent 4ed804aa4d
commit f8a714c848
15 changed files with 1602 additions and 218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
sql/sql_class.h
View File

@ -4358,6 +4358,31 @@ public:
current_linfo= 0;
mysql_mutex_unlock(&LOCK_thread_count);
}
/**
Switch to a sublex, to parse a substatement or an expression.
*/
void set_local_lex(sp_lex_local *sublex)
{
DBUG_ASSERT(lex->sphead);
lex= sublex;
/* Reset part of parser state which needs this. */
m_parser_state->m_yacc.reset_before_substatement();
}
/**
Switch back from a sublex (currently pointed by this->lex) to the old lex.
Sublex is merged to "oldlex" and this->lex is set to "oldlex".
This method is called after parsing a substatement or an expression.
set_local_lex() must be previously called.
@param oldlex - The old lex which was active before set_local_lex().
@returns - false on success, true on error (failed to merge LEX's).
See also sp_head::merge_lex().
*/
bool restore_from_local_lex_to_old_lex(LEX *oldlex);
};
inline void add_to_active_threads(THD *thd)