diff options
Diffstat (limited to 'plugin/type_inet/sql_type_inet.h')
-rw-r--r-- | plugin/type_inet/sql_type_inet.h | 912 |
1 files changed, 12 insertions, 900 deletions
diff --git a/plugin/type_inet/sql_type_inet.h b/plugin/type_inet/sql_type_inet.h index 64d26953cff..69836ca215b 100644 --- a/plugin/type_inet/sql_type_inet.h +++ b/plugin/type_inet/sql_type_inet.h @@ -1,8 +1,8 @@ #ifndef SQL_TYPE_INET_H #define SQL_TYPE_INET_H -/* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2011,2013, Oracle and/or its affiliates. Copyright (c) 2014 MariaDB Foundation - Copyright (c) 2019 MariaDB Corporation + Copyright (c) 2019,2021 MariaDB Corporation 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 @@ -31,14 +31,20 @@ static const size_t IN6_ADDR_NUM_WORDS= IN6_ADDR_SIZE / 2; */ static const uint IN6_ADDR_MAX_CHAR_LENGTH= 8 * 4 + 7; +#include "sql_type_fixedbin_storage.h" -class NativeBufferInet6: public NativeBuffer<IN6_ADDR_SIZE+1> +class Inet6: public FixedBinTypeStorage<IN6_ADDR_SIZE, IN6_ADDR_MAX_CHAR_LENGTH> { +public: + using FixedBinTypeStorage::FixedBinTypeStorage; + bool ascii_to_fbt(const char *str, size_t str_length); + size_t to_string(char *dst, size_t dstsize) const; + static const Name &default_value(); }; -class StringBufferInet6: public StringBuffer<IN6_ADDR_MAX_CHAR_LENGTH+1> -{ -}; + +#include "sql_type_fixedbin.h" +typedef FixedBinTypeBundle<Inet6> Inet6Bundle; /***********************************************************************/ @@ -132,898 +138,4 @@ public: } }; - -class Inet6 -{ -protected: - char m_buffer[IN6_ADDR_SIZE]; - bool make_from_item(Item *item, bool warn); - bool ascii_to_ipv6(const char *str, size_t str_length); - bool character_string_to_ipv6(const char *str, size_t str_length, - CHARSET_INFO *cs) - { - if (cs->state & MY_CS_NONASCII) - { - char tmp[IN6_ADDR_MAX_CHAR_LENGTH]; - String_copier copier; - uint length= copier.well_formed_copy(&my_charset_latin1, tmp, sizeof(tmp), - cs, str, str_length); - return ascii_to_ipv6(tmp, length); - } - return ascii_to_ipv6(str, str_length); - } - bool make_from_character_or_binary_string(const String *str, bool warn); - bool binary_to_ipv6(const char *str, size_t length) - { - if (length != sizeof(m_buffer)) - return true; - memcpy(m_buffer, str, length); - return false; - } - - Inet6() = default; - -public: - static uint binary_length() { return IN6_ADDR_SIZE; } - /** - Non-abbreviated syntax is 8 groups, up to 4 digits each, - plus 7 delimiters between the groups. - Abbreviated syntax is even shorter. - */ - static uint max_char_length() { return IN6_ADDR_MAX_CHAR_LENGTH; } - - static bool only_zero_bytes(const char *ptr, uint length) - { - for (uint i= 0 ; i < length; i++) - { - if (ptr[i] != 0) - return false; - } - return true; - } - - /* - Check at Item's fix_fields() time if "item" can return a nullable value - on conversion to INET6, or conversion produces a NOT NULL INET6 value. - */ - static bool fix_fields_maybe_null_on_conversion_to_inet6(Item *item); - -public: - - Inet6(Item *item, bool *error, bool warn= true) - { - *error= make_from_item(item, warn); - } - void to_binary(char *str, size_t str_size) const - { - DBUG_ASSERT(str_size >= sizeof(m_buffer)); - memcpy(str, m_buffer, sizeof(m_buffer)); - } - bool to_binary(String *to) const - { - return to->copy(m_buffer, sizeof(m_buffer), &my_charset_bin); - } - bool to_native(Native *to) const - { - return to->copy(m_buffer, sizeof(m_buffer)); - } - size_t to_string(char *dst, size_t dstsize) const; - bool to_string(String *to) const - { - to->set_charset(&my_charset_latin1); - if (to->alloc(INET6_ADDRSTRLEN)) - return true; - to->length((uint32) to_string((char*) to->ptr(), INET6_ADDRSTRLEN)); - return false; - } - bool is_v4compat() const - { - static_assert(sizeof(in6_addr) == IN6_ADDR_SIZE, "unexpected in6_addr size"); - return IN6_IS_ADDR_V4COMPAT((struct in6_addr *) m_buffer); - } - bool is_v4mapped() const - { - static_assert(sizeof(in6_addr) == IN6_ADDR_SIZE, "unexpected in6_addr size"); - return IN6_IS_ADDR_V4MAPPED((struct in6_addr *) m_buffer); - } - int cmp(const char *str, size_t length) const - { - DBUG_ASSERT(length == sizeof(m_buffer)); - return memcmp(m_buffer, str, length); - } - int cmp(const Binary_string &other) const - { - return cmp(other.ptr(), other.length()); - } - int cmp(const Inet6 &other) const - { - return memcmp(m_buffer, other.m_buffer, sizeof(m_buffer)); - } -}; - - -class Inet6_zero: public Inet6 -{ -public: - Inet6_zero() - { - bzero(&m_buffer, sizeof(m_buffer)); - } -}; - - -class Inet6_null: public Inet6, public Null_flag -{ -public: - // Initialize from a text representation - Inet6_null(const char *str, size_t length, CHARSET_INFO *cs) - :Null_flag(character_string_to_ipv6(str, length, cs)) - { } - Inet6_null(const String &str) - :Inet6_null(str.ptr(), str.length(), str.charset()) - { } - // Initialize from a binary representation - Inet6_null(const char *str, size_t length) - :Null_flag(binary_to_ipv6(str, length)) - { } - Inet6_null(const Binary_string &str) - :Inet6_null(str.ptr(), str.length()) - { } - // Initialize from an Item - Inet6_null(Item *item, bool warn= true) - :Null_flag(make_from_item(item, warn)) - { } -public: - const Inet6& to_inet6() const - { - DBUG_ASSERT(!is_null()); - return *this; - } - void to_binary(char *str, size_t str_size) const - { - to_inet6().to_binary(str, str_size); - } - bool to_binary(String *to) const - { - return to_inet6().to_binary(to); - } - size_t to_string(char *dst, size_t dstsize) const - { - return to_inet6().to_string(dst, dstsize); - } - bool to_string(String *to) const - { - return to_inet6().to_string(to); - } - bool is_v4compat() const - { - return to_inet6().is_v4compat(); - } - bool is_v4mapped() const - { - return to_inet6().is_v4mapped(); - } -}; - - -class Type_std_attributes_inet6: public Type_std_attributes -{ -public: - Type_std_attributes_inet6() - :Type_std_attributes( - Type_numeric_attributes(Inet6::max_char_length(), 0, true), - DTCollation_numeric()) - { } -}; - - -class Type_handler_inet6: public Type_handler -{ - bool character_or_binary_string_to_native(THD *thd, const String *str, - Native *to) const; -public: - ~Type_handler_inet6() override {} - - const Type_collection *type_collection() const override; - const Name &default_value() const override - { - static Name def(STRING_WITH_LEN("::")); - return def; - } - protocol_send_type_t protocol_send_type() const override - { - return PROTOCOL_SEND_STRING; - } - bool Item_append_extended_type_info(Send_field_extended_metadata *to, - const Item *item) const override - { - return to->set_data_type_name(name().lex_cstring()); - } - - enum_field_types field_type() const override - { - return MYSQL_TYPE_STRING; - } - - Item_result result_type() const override - { - return STRING_RESULT; - } - - Item_result cmp_type() const override - { - return STRING_RESULT; - } - - enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr) - const override - { - return DYN_COL_STRING; - } - - uint32 max_display_length_for_field(const Conv_source &src) const override - { - return Inet6::max_char_length(); - } - - const Type_handler *type_handler_for_comparison() const override - { - return this; - } - - int - stored_field_cmp_to_item(THD *thd, Field *field, Item *item) const override - { - DBUG_ASSERT(field->type_handler() == this); - Inet6_null ni(item); // Convert Item to INET6 - if (ni.is_null()) - return 0; - NativeBufferInet6 tmp; - if (field->val_native(&tmp)) - { - DBUG_ASSERT(0); - return 0; - } - return -ni.cmp(tmp); - } - CHARSET_INFO *charset_for_protocol(const Item *item) const override - { - return item->collation.collation; - } - - bool is_scalar_type() const override { return true; } - bool is_val_native_ready() const override { return true; } - bool can_return_int() const override { return false; } - bool can_return_decimal() const override { return false; } - bool can_return_real() const override { return false; } - bool can_return_str() const override { return true; } - bool can_return_text() const override { return true; } - bool can_return_date() const override { return false; } - bool can_return_time() const override { return false; } - bool convert_to_binary_using_val_native() const override { return true; } - - uint Item_time_precision(THD *thd, Item *item) const override - { - return 0; - } - uint Item_datetime_precision(THD *thd, Item *item) const override - { - return 0; - } - uint Item_decimal_scale(const Item *item) const override - { - return 0; - } - uint Item_decimal_precision(const Item *item) const override - { - /* - This will be needed if we ever allow cast from INET6 to DECIMAL. - Decimal precision of INET6 is 39 digits: - 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff' = - 340282366920938463463374607431768211456 = 39 digits - */ - return 39; - } - - /* - Returns how many digits a divisor adds into a division result. - See Item::divisor_precision_increment() in item.h for more comments. - */ - uint Item_divisor_precision_increment(const Item *) const override - { - return 0; - } - /** - Makes a temporary table Field to handle numeric aggregate functions, - e.g. SUM(DISTINCT expr), AVG(DISTINCT expr), etc. - */ - Field *make_num_distinct_aggregator_field(MEM_ROOT *, - const Item *) const override - { - DBUG_ASSERT(0); - return 0; - } - Field *make_conversion_table_field(MEM_ROOT *root, - TABLE *TABLE, - uint metadata, - const Field *target) const override; - // Fix attributes after the parser - bool Column_definition_fix_attributes(Column_definition *c) const override - { - c->length= Inet6::max_char_length(); - return false; - } - - bool Column_definition_prepare_stage1(THD *thd, - MEM_ROOT *mem_root, - Column_definition *def, - handler *file, - ulonglong table_flags, - const Column_derived_attributes - *derived_attr) - const override - { - def->prepare_stage1_simple(&my_charset_numeric); - return false; - } - - bool Column_definition_redefine_stage1(Column_definition *def, - const Column_definition *dup, - const handler *file) - const override - { - def->redefine_stage1_common(dup, file); - def->set_compression_method(dup->compression_method()); - def->create_length_to_internal_length_string(); - return false; - } - - bool Column_definition_prepare_stage2(Column_definition *def, - handler *file, - ulonglong table_flags) const override - { - def->pack_flag= FIELDFLAG_BINARY; - return false; - } - - bool partition_field_check(const LEX_CSTRING &field_name, - Item *item_expr) const override; - - bool partition_field_append_value(String *to, - Item *item_expr, - CHARSET_INFO *field_cs, - partition_value_print_mode_t mode) - const override; - - Field *make_table_field(MEM_ROOT *root, - const LEX_CSTRING *name, - const Record_addr &addr, - const Type_all_attributes &attr, - TABLE_SHARE *table) const override; - - Field * - make_table_field_from_def(TABLE_SHARE *share, - MEM_ROOT *mem_root, - const LEX_CSTRING *name, - const Record_addr &addr, - const Bit_addr &bit, - const Column_definition_attributes *attr, - uint32 flags) const override; - void - Column_definition_attributes_frm_pack(const Column_definition_attributes *def, - uchar *buff) const override - { - def->frm_pack_basic(buff); - def->frm_pack_charset(buff); - } - bool - Column_definition_attributes_frm_unpack(Column_definition_attributes *def, - TABLE_SHARE *share, - const uchar *buffer, - LEX_CUSTRING *gis_options) - const override - { - def->frm_unpack_basic(buffer); - return def->frm_unpack_charset(share, buffer); - } - void make_sort_key_part(uchar *to, Item *item, - const SORT_FIELD_ATTR *sort_field, - Sort_param *param) - const override; - uint make_packed_sort_key_part(uchar *to, Item *item, - const SORT_FIELD_ATTR *sort_field, - Sort_param *param) const override; - void sort_length(THD *thd, - const Type_std_attributes *item, - SORT_FIELD_ATTR *attr) const override; - uint32 max_display_length(const Item *item) const override - { - return Inet6::max_char_length(); - } - uint32 calc_pack_length(uint32 length) const override - { - return Inet6::binary_length(); - } - void Item_update_null_value(Item *item) const override - { - NativeBufferInet6 tmp; - item->val_native(current_thd, &tmp); - } - bool Item_save_in_value(THD *thd, Item *item, st_value *value) const override; - void Item_param_setup_conversion(THD *thd, Item_param *param) const override; - void Item_param_set_param_func(Item_param *param, - uchar **pos, ulong len) const override - { - param->set_param_str(pos, len); - } - bool Item_param_set_from_value(THD *thd, - Item_param *param, - const Type_all_attributes *attr, - const st_value *val) const override - { - param->unsigned_flag= false;//QQ - param->setup_conversion_string(thd, attr->collation.collation); - /* - Exact value of max_length is not known unless data is converted to - charset of connection, so we have to set it later. - */ - return param->set_str(val->m_string.ptr(), val->m_string.length(), - attr->collation.collation, - attr->collation.collation); - } - bool Item_param_val_native(THD *thd, Item_param *item, Native *to) - const override - { - StringBufferInet6 buffer; - String *str= item->val_str(&buffer); - if (!str) - return true; - Inet6_null tmp(*str); - return tmp.is_null() || tmp.to_native(to); - } - bool Item_send(Item *item, Protocol *p, st_value *buf) const override - { - return Item_send_str(item, p, buf); - } - int Item_save_in_field(Item *item, Field *field, bool no_conversions) - const override - { - if (field->type_handler() == this) - { - NativeBuffer<MAX_FIELD_WIDTH> tmp; - bool rc= item->val_native(current_thd, &tmp); - if (rc || item->null_value) - return set_field_to_null_with_conversions(field, no_conversions); - field->set_notnull(); - return field->store_native(tmp); - } - return item->save_str_in_field(field, no_conversions); - } - - String *print_item_value(THD *thd, Item *item, String *str) const override - { - StringBufferInet6 buf; - String *result= item->val_str(&buf); - /* - TODO: This should eventually use one of these notations: - 1. CAST('::' AS INET6) - Problem: CAST is not supported as a NAME_CONST() argument. - 2. INET6':: - Problem: This syntax is not supported by the parser yet. - */ - return !result || - str->realloc(result->length() + 2) || - str->append(STRING_WITH_LEN("'")) || - str->append(result->ptr(), result->length()) || - str->append(STRING_WITH_LEN("'")) ? - NULL : - str; - } - - /** - Check if - WHERE expr=value AND expr=const - can be rewritten as: - WHERE const=value AND expr=const - - "this" is the comparison handler that is used by "target". - - @param target - the predicate expr=value, - whose "expr" argument will be replaced to "const". - @param target_expr - the target's "expr" which will be replaced to "const". - @param target_value - the target's second argument, it will remain unchanged. - @param source - the equality predicate expr=const (or expr<=>const) - that can be used to rewrite the "target" part - (under certain conditions, see the code). - @param source_expr - the source's "expr". It should be exactly equal to - the target's "expr" to make condition rewrite possible. - @param source_const - the source's "const" argument, it will be inserted - into "target" instead of "expr". - */ - bool - can_change_cond_ref_to_const(Item_bool_func2 *target, - Item *target_expr, Item *target_value, - Item_bool_func2 *source, - Item *source_expr, Item *source_const) - const override - { - /* - WHERE COALESCE(inet6_col)='::1' AND COALESCE(inet6_col)=CONCAT(a); --> - WHERE COALESCE(inet6_col)='::1' AND '::1'=CONCAT(a); - */ - return target->compare_type_handler() == source->compare_type_handler(); - } - bool - subquery_type_allows_materialization(const Item *inner, - const Item *outer, bool) const override - { - /* - Example: - SELECT * FROM t1 WHERE a IN (SELECT inet6col FROM t1 GROUP BY inet6col); - Allow materialization only if the outer column is also INET6. - This can be changed for more relaxed rules in the future. - */ - DBUG_ASSERT(inner->type_handler() == this); - return outer->type_handler() == this; - } - /** - Make a simple constant replacement item for a constant "src", - so the new item can futher be used for comparison with "cmp", e.g.: - src = cmp -> replacement = cmp - - "this" is the type handler that is used to compare "src" and "cmp". - - @param thd - current thread, for mem_root - @param src - The item that we want to replace. It's a const item, - but it can be complex enough to calculate on every row. - @param cmp - The src's comparand. - @retval - a pointer to the created replacement Item - @retval - NULL, if could not create a replacement (e.g. on EOM). - NULL is also returned for ROWs, because instead of replacing - a Item_row to a new Item_row, Type_handler_row just replaces - its elements. - */ - Item *make_const_item_for_comparison(THD *thd, - Item *src, - const Item *cmp) const override; - Item_cache *Item_get_cache(THD *thd, const Item *item) const override; - - Item *create_typecast_item(THD *thd, Item *item, - const Type_cast_attributes &attr) const override; - - Item_copy *create_item_copy(THD *thd, Item *item) const override; - int cmp_native(const Native &a, const Native &b) const override - { - DBUG_ASSERT(a.length() == Inet6::binary_length()); - DBUG_ASSERT(b.length() == Inet6::binary_length()); - return memcmp(a.ptr(), b.ptr(), Inet6::binary_length()); - } - bool set_comparator_func(Arg_comparator *cmp) const override - { - return cmp->set_cmp_func_native(); - } - bool Item_const_eq(const Item_const *a, const Item_const *b, - bool binary_cmp) const override - { - return false;//QQ - } - bool Item_eq_value(THD *thd, const Type_cmp_attributes *attr, - Item *a, Item *b) const override - { - Inet6_null na(a); - Inet6_null nb(b); - return !na.is_null() && !nb.is_null() && !na.cmp(nb); - } - bool Item_hybrid_func_fix_attributes(THD *thd, - const char *name, - Type_handler_hybrid_field_type *h, - Type_all_attributes *attr, - Item **items, - uint nitems) const override - { - attr->Type_std_attributes::operator=(Type_std_attributes_inet6()); - h->set_handler(this); - /* - If some of the arguments cannot be safely converted to "INET6 NOT NULL", - then mark the entire function nullability as NULL-able. - Otherwise, keep the generic nullability calculated by earlier stages: - - either by the most generic way in Item_func::fix_fields() - - or by Item_func_xxx::fix_length_and_dec() before the call of - Item_hybrid_func_fix_attributes() - IFNULL() is special. It does not need to test args[0]. - */ - uint first= dynamic_cast<Item_func_ifnull*>(attr) ? 1 : 0; - for (uint i= first; i < nitems; i++) - { - if (Inet6::fix_fields_maybe_null_on_conversion_to_inet6(items[i])) - { - attr->set_maybe_null(true); - break; - } - } - return false; - } - bool Item_func_min_max_fix_attributes(THD *thd, - Item_func_min_max *func, - Item **items, - uint nitems) const override - { - return Item_hybrid_func_fix_attributes(thd, func->func_name(), - func, func, items, nitems); - - } - bool Item_sum_hybrid_fix_length_and_dec(Item_sum_hybrid *func) const override - { - func->Type_std_attributes::operator=(Type_std_attributes_inet6()); - func->set_handler(this); - return false; - } - bool Item_sum_sum_fix_length_and_dec(Item_sum_sum *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - bool Item_sum_avg_fix_length_and_dec(Item_sum_avg *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - bool Item_sum_variance_fix_length_and_dec(Item_sum_variance *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - - bool Item_val_native_with_conversion(THD *thd, Item *item, - Native *to) const override - { - if (item->type_handler() == this) - return item->val_native(thd, to); // No conversion needed - StringBufferInet6 buffer; - String *str= item->val_str(&buffer); - return str ? character_or_binary_string_to_native(thd, str, to) : true; - } - bool Item_val_native_with_conversion_result(THD *thd, Item *item, - Native *to) const override - { - if (item->type_handler() == this) - return item->val_native_result(thd, to); // No conversion needed - StringBufferInet6 buffer; - String *str= item->str_result(&buffer); - return str ? character_or_binary_string_to_native(thd, str, to) : true; - } - - bool Item_val_bool(Item *item) const override - { - NativeBufferInet6 tmp; - if (item->val_native(current_thd, &tmp)) - return false; - return !Inet6::only_zero_bytes(tmp.ptr(), tmp.length()); - } - void Item_get_date(THD *thd, Item *item, - Temporal::Warn *buff, MYSQL_TIME *ltime, - date_mode_t fuzzydate) const override - { - set_zero_time(ltime, MYSQL_TIMESTAMP_TIME); - } - - longlong Item_val_int_signed_typecast(Item *item) const override - { - DBUG_ASSERT(0); - return 0; - } - - longlong Item_val_int_unsigned_typecast(Item *item) const override - { - DBUG_ASSERT(0); - return 0; - } - - String *Item_func_hex_val_str_ascii(Item_func_hex *item, String *str) - const override - { - NativeBufferInet6 tmp; - if ((item->null_value= item->arguments()[0]->val_native(current_thd, &tmp))) - return NULL; - DBUG_ASSERT(tmp.length() == Inet6::binary_length()); - if (str->set_hex(tmp.ptr(), tmp.length())) - { - str->length(0); - str->set_charset(item->collation.collation); - } - return str; - } - - String *Item_func_hybrid_field_type_val_str(Item_func_hybrid_field_type *item, - String *str) const override - { - NativeBufferInet6 native; - if (item->val_native(current_thd, &native)) - { - DBUG_ASSERT(item->null_value); - return NULL; - } - DBUG_ASSERT(native.length() == Inet6::binary_length()); - Inet6_null tmp(native.ptr(), native.length()); - return tmp.is_null() || tmp.to_string(str) ? NULL : str; - } - double Item_func_hybrid_field_type_val_real(Item_func_hybrid_field_type *) - const override - { - return 0; - } - longlong Item_func_hybrid_field_type_val_int(Item_func_hybrid_field_type *) - const override - { - return 0; - } - my_decimal * - Item_func_hybrid_field_type_val_decimal(Item_func_hybrid_field_type *, - my_decimal *to) const override - { - my_decimal_set_zero(to); - return to; - } - void Item_func_hybrid_field_type_get_date(THD *, - Item_func_hybrid_field_type *, - Temporal::Warn *, - MYSQL_TIME *to, - date_mode_t fuzzydate) - const override - { - set_zero_time(to, MYSQL_TIMESTAMP_TIME); - } - // WHERE is Item_func_min_max_val_native??? - String *Item_func_min_max_val_str(Item_func_min_max *func, String *str) - const override - { - Inet6_null tmp(func); - return tmp.is_null() || tmp.to_string(str) ? NULL : str; - } - double Item_func_min_max_val_real(Item_func_min_max *) const override - { - return 0; - } - longlong Item_func_min_max_val_int(Item_func_min_max *) const override - { - return 0; - } - my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *, - my_decimal *to) const override - { - my_decimal_set_zero(to); - return to; - } - bool Item_func_min_max_get_date(THD *thd, Item_func_min_max*, - MYSQL_TIME *to, date_mode_t fuzzydate) - const override - { - set_zero_time(to, MYSQL_TIMESTAMP_TIME); - return false; - } - - bool - Item_func_between_fix_length_and_dec(Item_func_between *func) const override - { - return false; - } - longlong Item_func_between_val_int(Item_func_between *func) const override - { - return func->val_int_cmp_native(); - } - - cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const override; - - in_vector *make_in_vector(THD *thd, const Item_func_in *func, - uint nargs) const override; - - bool Item_func_in_fix_comparator_compatible_types(THD *thd, - Item_func_in *func) - const override - { - if (func->compatible_types_scalar_bisection_possible()) - { - return func->value_list_convert_const_to_int(thd) || - func->fix_for_scalar_comparison_using_bisection(thd); - } - return - func->fix_for_scalar_comparison_using_cmp_items(thd, - 1U << (uint) STRING_RESULT); - } - bool - Item_func_round_fix_length_and_dec(Item_func_round *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - bool - Item_func_int_val_fix_length_and_dec(Item_func_int_val *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - - bool Item_func_abs_fix_length_and_dec(Item_func_abs *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - - bool Item_func_neg_fix_length_and_dec(Item_func_neg *func) const override - { - return Item_func_or_sum_illegal_param(func); - } - - bool - Item_func_signed_fix_length_and_dec(Item_func_signed *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_double_typecast_fix_length_and_dec(Item_double_typecast *item) - const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_float_typecast_fix_length_and_dec(Item_float_typecast *item) - const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *item) - const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) - const override; - bool - Item_time_typecast_fix_length_and_dec(Item_time_typecast *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_date_typecast_fix_length_and_dec(Item_date_typecast *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *item) - const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_plus_fix_length_and_dec(Item_func_plus *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_minus_fix_length_and_dec(Item_func_minus *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_mul_fix_length_and_dec(Item_func_mul *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_div_fix_length_and_dec(Item_func_div *item) const override - { - return Item_func_or_sum_illegal_param(item); - } - bool - Item_func_mod_fix_length_and_dec(Item_func_mod *item) const override - { - return Item_func_or_sum_illegal_param(item); - } -}; - - -extern MYSQL_PLUGIN_IMPORT Type_handler_inet6 type_handler_inet6; - - #endif /* SQL_TYPE_INET_H */ |