summaryrefslogtreecommitdiff
path: root/plugin/type_inet/sql_type_inet.h
diff options
context:
space:
mode:
Diffstat (limited to 'plugin/type_inet/sql_type_inet.h')
-rw-r--r--plugin/type_inet/sql_type_inet.h912
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 */