diff options
Diffstat (limited to 'sql/sql_lex.cc')
| -rw-r--r-- | sql/sql_lex.cc | 67 |
1 files changed, 29 insertions, 38 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index e380c94b58a..33121e5301d 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -110,39 +110,31 @@ st_parsing_options::reset() allows_derived= TRUE; } -Lex_input_stream::Lex_input_stream(THD *thd, - const char* buffer, - unsigned int length) -: m_thd(thd), - yylineno(1), - yytoklen(0), - yylval(NULL), - m_ptr(buffer), - m_tok_start(NULL), - m_tok_end(NULL), - m_end_of_query(buffer + length), - m_tok_start_prev(NULL), - m_buf(buffer), - m_buf_length(length), - m_echo(TRUE), - m_cpp_tok_start(NULL), - m_cpp_tok_start_prev(NULL), - m_cpp_tok_end(NULL), - m_body_utf8(NULL), - m_cpp_utf8_processed_ptr(NULL), - next_state(MY_LEX_START), - found_semicolon(NULL), - ignore_space(test(thd->variables.sql_mode & MODE_IGNORE_SPACE)), - stmt_prepare_mode(FALSE), - in_comment(NO_COMMENT), - m_underscore_cs(NULL) + +bool Lex_input_stream::init(THD *thd, const char *buff, unsigned int length) { + DBUG_EXECUTE_IF("bug42064_simulate_oom", + DBUG_SET("+d,simulate_out_of_memory");); + m_cpp_buf= (char*) thd->alloc(length + 1); + + DBUG_EXECUTE_IF("bug42064_simulate_oom", + DBUG_SET("-d,bug42064_simulate_oom");); + + if (m_cpp_buf == NULL) + return TRUE; + m_cpp_ptr= m_cpp_buf; + m_thd= thd; + m_ptr= buff; + m_end_of_query= buff + length; + m_buf= buff; + m_buf_length= length; + ignore_space= test(thd->variables.sql_mode & MODE_IGNORE_SPACE); + + return FALSE; } -Lex_input_stream::~Lex_input_stream() -{} /** The operation is called from the parser in order to @@ -1653,7 +1645,7 @@ void st_select_lex::init_select() linkage= UNSPECIFIED_TYPE; order_list.elements= 0; order_list.first= 0; - order_list.next= (uchar**) &order_list.first; + order_list.next= &order_list.first; /* Set limit and offset to default values */ select_limit= 0; /* denotes the default limit = HA_POS_ERROR */ offset_limit= 0; /* denotes the default offset = 0 */ @@ -1984,7 +1976,7 @@ uint st_select_lex::get_in_sum_expr() TABLE_LIST* st_select_lex::get_table_list() { - return (TABLE_LIST*) table_list.first; + return table_list.first; } List<Item>* st_select_lex::get_item_list() @@ -2041,9 +2033,8 @@ void st_select_lex_unit::print(String *str, enum_query_type query_type) if (fake_select_lex->order_list.elements) { str->append(STRING_WITH_LEN(" order by ")); - fake_select_lex->print_order( - str, - (ORDER *) fake_select_lex->order_list.first, + fake_select_lex->print_order(str, + fake_select_lex->order_list.first, query_type); } fake_select_lex->print_limit(thd, str, query_type); @@ -2688,7 +2679,7 @@ TABLE_LIST *st_lex::unlink_first_table(bool *link_to_local) { select_lex.context.table_list= select_lex.context.first_name_resolution_table= first->next_local; - select_lex.table_list.first= (uchar*) (first->next_local); + select_lex.table_list.first= first->next_local; select_lex.table_list.elements--; //safety first->next_local= 0; /* @@ -2720,7 +2711,7 @@ TABLE_LIST *st_lex::unlink_first_table(bool *link_to_local) void st_lex::first_lists_tables_same() { - TABLE_LIST *first_table= (TABLE_LIST*) select_lex.table_list.first; + TABLE_LIST *first_table= select_lex.table_list.first; if (query_tables != first_table && first_table != 0) { TABLE_LIST *next; @@ -2767,9 +2758,9 @@ void st_lex::link_first_table_back(TABLE_LIST *first, if (link_to_local) { - first->next_local= (TABLE_LIST*) select_lex.table_list.first; + first->next_local= select_lex.table_list.first; select_lex.context.table_list= first; - select_lex.table_list.first= (uchar*) first; + select_lex.table_list.first= first; select_lex.table_list.elements++; //safety } } @@ -2935,7 +2926,7 @@ void st_select_lex::fix_prepare_information(THD *thd, Item **conds, prep_having= *having_conds; *having_conds= having= prep_having->copy_andor_structure(thd); } - fix_prepare_info_in_table_list(thd, (TABLE_LIST *)table_list.first); + fix_prepare_info_in_table_list(thd, table_list.first); } } |