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94 lines
3.2 KiB
94 lines
3.2 KiB
5 months ago
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/* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef ITEM_PFS_FUNC_INCLUDED
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#define ITEM_PFS_FUNC_INCLUDED
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/* Function items used by mysql */
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#include "sql/item_func.h"
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#include "sql/item_strfunc.h"
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#include "sql/sql_class.h"
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/** ps_current_thread_id() */
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class Item_func_pfs_current_thread_id final : public Item_int_func {
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typedef Item_int_func super;
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ulonglong m_thread_id;
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public:
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Item_func_pfs_current_thread_id(const POS &pos)
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: Item_int_func(pos), m_thread_id(0) {}
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bool itemize(Parse_context *pc, Item **res) override;
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const char *func_name() const override { return "ps_current_thread_id"; }
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bool resolve_type(THD *) override;
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bool fix_fields(THD *thd, Item **ref) override;
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longlong val_int() override;
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};
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/** ps_thread_id() */
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class Item_func_pfs_thread_id final : public Item_int_func {
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typedef Item_int_func super;
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ulonglong m_thread_id;
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ulonglong m_processlist_id;
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public:
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Item_func_pfs_thread_id(const POS &pos, Item *a)
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: Item_int_func(pos, a), m_thread_id(0), m_processlist_id(0) {}
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bool itemize(Parse_context *pc, Item **res) override;
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const char *func_name() const override { return "ps_thread_id"; }
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bool resolve_type(THD *) override;
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longlong val_int() override;
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};
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/** format_bytes() */
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class Item_func_pfs_format_bytes final : public Item_str_func {
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typedef Item_str_func super;
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String m_value;
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char m_value_buffer[20];
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public:
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Item_func_pfs_format_bytes(const POS &pos, Item *a) : Item_str_func(pos, a) {}
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const char *func_name() const override { return "format_bytes"; }
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bool resolve_type(THD *) override;
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String *val_str(String *str) override;
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};
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/** format_pico_time() */
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class Item_func_pfs_format_pico_time final : public Item_str_func {
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typedef Item_str_func super;
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String m_value;
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char m_value_buffer[20];
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public:
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Item_func_pfs_format_pico_time(const POS &pos, Item *a)
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: Item_str_func(pos, a) {}
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const char *func_name() const override { return "format_pico_time"; }
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bool resolve_type(THD *) override;
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String *val_str(String *str) override;
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};
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#endif /* ITEM_PFS_FUNC_INCLUDED */
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