diff options
Diffstat (limited to 'sql/item_strfunc.h')
| -rw-r--r-- | sql/item_strfunc.h | 92 |
1 files changed, 53 insertions, 39 deletions
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h index 258c0e26bad..86a095a39e6 100644 --- a/sql/item_strfunc.h +++ b/sql/item_strfunc.h @@ -3,7 +3,7 @@ /* Copyright (c) 2000, 2011, Oracle and/or its affiliates. - Copyright (c) 2009, 2021, MariaDB + Copyright (c) 2009, 2022, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -271,6 +271,25 @@ public: { return get_item_copy<Item_func_aes_decrypt>(thd, this); } }; +class Item_func_natural_sort_key : public Item_str_func +{ +public: + Item_func_natural_sort_key(THD *thd, Item *a) + : Item_str_func(thd, a){}; + String *val_str(String *) override; + LEX_CSTRING func_name_cstring() const override + { + static LEX_CSTRING name= {STRING_WITH_LEN("natural_sort_key")}; + return name; + } + bool fix_length_and_dec(void) override; + Item *get_copy(THD *thd) override + { + return get_item_copy<Item_func_natural_sort_key>(thd, this); + } + + bool check_vcol_func_processor(void *arg) override; +}; class Item_func_concat :public Item_str_func { @@ -587,6 +606,23 @@ public: { return get_item_copy<Item_func_substr>(thd, this); } }; +class Item_func_sformat :public Item_str_func +{ + String *val_arg; +public: + Item_func_sformat(THD *thd, List<Item> &list); + ~Item_func_sformat() { delete [] val_arg; } + String *val_str(String*) override; + bool fix_length_and_dec() override; + LEX_CSTRING func_name_cstring() const override + { + static LEX_CSTRING name= {STRING_WITH_LEN("sformat") }; + return name; + } + Item *get_copy(THD *thd) override + { return get_item_copy<Item_func_sformat>(thd, this); } +}; + class Item_func_substr_oracle :public Item_func_substr { protected: @@ -1909,15 +1945,27 @@ public: class Item_func_crc32 :public Item_long_func { bool check_arguments() const override - { return args[0]->check_type_can_return_str(func_name_cstring()); } + { + return args[0]->check_type_can_return_str(func_name_cstring()) && + (arg_count == 1 || + args[1]->check_type_can_return_int(func_name_cstring())); + } String value; + uint32 (*const crc_func)(uint32, const void*, size_t); public: - Item_func_crc32(THD *thd, Item *a): Item_long_func(thd, a) + Item_func_crc32(THD *thd, bool Castagnoli, Item *a) : + Item_long_func(thd, a), + crc_func(Castagnoli ? my_crc32c : my_checksum) + { unsigned_flag= 1; } + Item_func_crc32(THD *thd, bool Castagnoli, Item *a, Item *b) : + Item_long_func(thd, a, b), + crc_func(Castagnoli ? my_crc32c : my_checksum) { unsigned_flag= 1; } LEX_CSTRING func_name_cstring() const override { - static LEX_CSTRING name= {STRING_WITH_LEN("crc32") }; - return name; + static LEX_CSTRING crc32_name= {STRING_WITH_LEN("crc32") }; + static LEX_CSTRING crc32c_name= {STRING_WITH_LEN("crc32c") }; + return crc_func == my_crc32c ? crc32c_name : crc32_name; } bool fix_length_and_dec() override { max_length=10; return FALSE; } longlong val_int() override; @@ -1996,40 +2044,6 @@ public: }; -class Item_func_uuid: public Item_str_func -{ - /* Set if uuid should be returned without separators (Oracle sys_guid) */ - bool without_separators; -public: -Item_func_uuid(THD *thd, bool without_separators_arg): Item_str_func(thd), - without_separators(without_separators_arg) - {} - bool fix_length_and_dec() override - { - collation.set(DTCollation_numeric()); - fix_char_length(without_separators ? MY_UUID_ORACLE_STRING_LENGTH : - MY_UUID_STRING_LENGTH); - return FALSE; - } - bool const_item() const override { return false; } - table_map used_tables() const override { return RAND_TABLE_BIT; } - LEX_CSTRING func_name_cstring() const override - { - static LEX_CSTRING mariadb_name= {STRING_WITH_LEN("uuid") }; - static LEX_CSTRING oracle_name= {STRING_WITH_LEN("sys_guid") }; - return without_separators ? oracle_name : mariadb_name; - } - String *val_str(String *) override; - bool check_vcol_func_processor(void *arg) override - { - return mark_unsupported_function(func_name(), "()", arg, - VCOL_NON_DETERMINISTIC); - } - Item *get_copy(THD *thd) override - { return get_item_copy<Item_func_uuid>(thd, this); } -}; - - class Item_func_dyncol_create: public Item_str_func { protected: |