diff options
Diffstat (limited to 'sql/sql_lex.h')
| -rw-r--r-- | sql/sql_lex.h | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h index acf23d5ffa2..adb887be380 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -1044,6 +1044,8 @@ public: bool set_lock_to_the_last_select(Lex_select_lock l); + bool can_be_merged(); + friend class st_select_lex; private: @@ -1306,6 +1308,8 @@ public: st_select_lex. */ uint curr_tvc_name; + /* true <=> select has been created a TVC wrapper */ + bool is_tvc_wrapper; uint fields_in_window_functions; uint insert_tables; enum_parsing_place parsing_place; /* where we are parsing expression */ @@ -1390,6 +1394,7 @@ public: return (st_select_lex_unit*) slave; } st_select_lex* outer_select(); + bool is_query_topmost(THD *thd); st_select_lex* next_select() { return (st_select_lex*) next; } st_select_lex* next_select_in_list() { @@ -1476,6 +1481,10 @@ public: } bool setup_ref_array(THD *thd, uint order_group_num); void print(THD *thd, String *str, enum_query_type query_type); + void print_item_list(THD *thd, String *str, enum_query_type query_type); + void print_set_clause(THD *thd, String *str, enum_query_type query_type); + void print_on_duplicate_key_clause(THD *thd, String *str, + enum_query_type query_type); static void print_order(String *str, ORDER *order, enum_query_type query_type); @@ -2548,7 +2557,7 @@ private: Get the last character accepted. @return the last character accepted. */ - unsigned char yyGetLast() + unsigned char yyGetLast() const { return m_ptr[-1]; } @@ -2556,7 +2565,7 @@ private: /** Look at the next character to parse, but do not accept it. */ - unsigned char yyPeek() + unsigned char yyPeek() const { return m_ptr[0]; } @@ -2565,7 +2574,7 @@ private: Look ahead at some character to parse. @param n offset of the character to look up */ - unsigned char yyPeekn(int n) + unsigned char yyPeekn(int n) const { return m_ptr[n]; } @@ -2626,7 +2635,7 @@ private: @param n number of characters expected @return true if there are less than n characters to parse */ - bool eof(int n) + bool eof(int n) const { return ((m_ptr + n) >= m_end_of_query); } @@ -2657,10 +2666,10 @@ private: Get the maximum length of the utf8-body buffer. The utf8 body can grow because of the character set conversion and escaping. */ - size_t get_body_utf8_maximum_length(THD *thd); + size_t get_body_utf8_maximum_length(THD *thd) const; /** Get the length of the current token, in the raw buffer. */ - uint yyLength() + uint yyLength() const { /* The assumption is that the lexical analyser is always 1 character ahead, @@ -2685,31 +2694,31 @@ public: End of file indicator for the query text to parse. @return true if there are no more characters to parse */ - bool eof() + bool eof() const { return (m_ptr >= m_end_of_query); } /** Get the raw query buffer. */ - const char *get_buf() + const char *get_buf() const { return m_buf; } /** Get the pre-processed query buffer. */ - const char *get_cpp_buf() + const char *get_cpp_buf() const { return m_cpp_buf; } /** Get the end of the raw query buffer. */ - const char *get_end_of_query() + const char *get_end_of_query() const { return m_end_of_query; } /** Get the token start position, in the raw buffer. */ - const char *get_tok_start() + const char *get_tok_start() const { return has_lookahead() ? m_tok_start_prev : m_tok_start; } @@ -2720,25 +2729,25 @@ public: } /** Get the token end position, in the raw buffer. */ - const char *get_tok_end() + const char *get_tok_end() const { return m_tok_end; } /** Get the current stream pointer, in the raw buffer. */ - const char *get_ptr() + const char *get_ptr() const { return m_ptr; } /** Get the token start position, in the pre-processed buffer. */ - const char *get_cpp_tok_start() + const char *get_cpp_tok_start() const { return has_lookahead() ? m_cpp_tok_start_prev : m_cpp_tok_start; } /** Get the token end position, in the pre-processed buffer. */ - const char *get_cpp_tok_end() + const char *get_cpp_tok_end() const { return m_cpp_tok_end; } @@ -2747,7 +2756,7 @@ public: Get the token end position in the pre-processed buffer, with trailing spaces removed. */ - const char *get_cpp_tok_end_rtrim() + const char *get_cpp_tok_end_rtrim() const { const char *p; for (p= m_cpp_tok_end; @@ -2758,7 +2767,7 @@ public: } /** Get the current stream pointer, in the pre-processed buffer. */ - const char *get_cpp_ptr() + const char *get_cpp_ptr() const { return m_cpp_ptr; } @@ -2767,7 +2776,7 @@ public: Get the current stream pointer, in the pre-processed buffer, with traling spaces removed. */ - const char *get_cpp_ptr_rtrim() + const char *get_cpp_ptr_rtrim() const { const char *p; for (p= m_cpp_ptr; @@ -2777,13 +2786,13 @@ public: return p; } /** Get the utf8-body string. */ - const char *get_body_utf8_str() + const char *get_body_utf8_str() const { return m_body_utf8; } /** Get the utf8-body length. */ - size_t get_body_utf8_length() + size_t get_body_utf8_length() const { return (size_t) (m_body_utf8_ptr - m_body_utf8); } @@ -2819,7 +2828,7 @@ private: bool consume_comment(int remaining_recursions_permitted); int lex_one_token(union YYSTYPE *yylval, THD *thd); - int find_keyword(Lex_ident_cli_st *str, uint len, bool function); + int find_keyword(Lex_ident_cli_st *str, uint len, bool function) const; LEX_CSTRING get_token(uint skip, uint length); int scan_ident_sysvar(THD *thd, Lex_ident_cli_st *str); int scan_ident_start(THD *thd, Lex_ident_cli_st *str); @@ -3610,6 +3619,8 @@ public: Window_frame_bound *frame_bottom_bound; Window_spec *win_spec; + Item *upd_del_where; + /* System Versioning */ vers_select_conds_t vers_conditions; vers_select_conds_t period_conditions; @@ -3691,7 +3702,7 @@ public: bool can_be_merged(); bool can_use_merged(); - bool can_not_use_merged(bool no_update_or_delete); + bool can_not_use_merged(); bool only_view_structure(); bool need_correct_ident(); uint8 get_effective_with_check(TABLE_LIST *view); @@ -4167,9 +4178,6 @@ public: Item *create_item_query_expression(THD *thd, st_select_lex_unit *unit); - Item *make_item_func_replace(THD *thd, Item *org, Item *find, Item *replace); - Item *make_item_func_substr(THD *thd, Item *a, Item *b, Item *c); - Item *make_item_func_substr(THD *thd, Item *a, Item *b); Item *make_item_func_sysdate(THD *thd, uint fsp); Item *make_item_func_call_generic(THD *thd, Lex_ident_cli_st *db, Lex_ident_cli_st *name, List<Item> *args); |