From 3f619478f796eddbba6e39502fe941b285dd97b1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:00:34 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- storage/perfschema/table_setup_objects.cc | 340 ++++++++++++++++++++++++++++++ 1 file changed, 340 insertions(+) create mode 100644 storage/perfschema/table_setup_objects.cc (limited to 'storage/perfschema/table_setup_objects.cc') diff --git a/storage/perfschema/table_setup_objects.cc b/storage/perfschema/table_setup_objects.cc new file mode 100644 index 00000000..dbe95361 --- /dev/null +++ b/storage/perfschema/table_setup_objects.cc @@ -0,0 +1,340 @@ +/* Copyright (c) 2008, 2023, Oracle and/or its affiliates. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License, version 2.0, for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_setup_objects.cc + Table SETUP_OBJECTS (implementation). +*/ + +#include "my_global.h" +#include "my_thread.h" +#include "pfs_instr.h" +#include "pfs_column_types.h" +#include "pfs_column_values.h" +#include "pfs_setup_object.h" +#include "table_setup_objects.h" +#include "table_helper.h" +#include "pfs_global.h" +#include "pfs_buffer_container.h" +#include "field.h" + +THR_LOCK table_setup_objects::m_table_lock; +PFS_engine_table_share_state +table_setup_objects::m_share_state = { + false /* m_checked */ +}; + +PFS_engine_table_share +table_setup_objects::m_share= +{ + { C_STRING_WITH_LEN("setup_objects") }, + &pfs_editable_acl, + table_setup_objects::create, + table_setup_objects::write_row, + table_setup_objects::delete_all_rows, + table_setup_objects::get_row_count, + sizeof(PFS_simple_index), + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE setup_objects(" + "OBJECT_TYPE ENUM ('EVENT','FUNCTION','PROCEDURE','TABLE','TRIGGER') not null default 'TABLE' comment 'Type of object to instrument.'," + "OBJECT_SCHEMA VARCHAR(64) default '%' comment 'Schema containing the object, either the literal or % for any schema.'," + "OBJECT_NAME VARCHAR(64) not null default '%' comment 'Name of the instrumented object, either the literal or % for any object.'," + "ENABLED ENUM ('YES', 'NO') not null default 'YES' comment 'Whether the object''s events are instrumented or not. Can be disabled, in which case monitoring is not enabled for those objects.'," + "TIMED ENUM ('YES', 'NO') not null default 'YES' comment 'Whether the object''s events are timed or not. Can be modified.')") }, + false, /* m_perpetual */ + false, /* m_optional */ + &m_share_state +}; + +int update_derived_flags() +{ + PFS_thread *thread= PFS_thread::get_current_thread(); + if (unlikely(thread == NULL)) + return HA_ERR_OUT_OF_MEM; + + update_table_share_derived_flags(thread); + update_program_share_derived_flags(thread); + update_table_derived_flags(); + return 0; +} + +PFS_engine_table* table_setup_objects::create(void) +{ + return new table_setup_objects(); +} + +int table_setup_objects::write_row(TABLE *table, const unsigned char *buf, + Field **fields) +{ + int result; + Field *f; + enum_object_type object_type= OBJECT_TYPE_TABLE; + String object_schema_data("%", 1, &my_charset_utf8mb3_bin); + String object_name_data("%", 1, &my_charset_utf8mb3_bin); + String *object_schema= &object_schema_data; + String *object_name= &object_name_data; + enum_yes_no enabled_value= ENUM_YES; + enum_yes_no timed_value= ENUM_YES; + bool enabled= true; + bool timed= true; + + for (; (f= *fields) ; fields++) + { + if (bitmap_is_set(table->write_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* OBJECT_TYPE */ + object_type= (enum_object_type) get_field_enum(f); + break; + case 1: /* OBJECT_SCHEMA */ + object_schema= get_field_varchar_utf8(f, &object_schema_data); + break; + case 2: /* OBJECT_NAME */ + object_name= get_field_varchar_utf8(f, &object_name_data); + break; + case 3: /* ENABLED */ + enabled_value= (enum_yes_no) get_field_enum(f); + break; + case 4: /* TIMED */ + timed_value= (enum_yes_no) get_field_enum(f); + break; + default: + assert(false); + } + } + } + + /* Reject illegal enum values in OBJECT_TYPE */ + if (object_type < FIRST_OBJECT_TYPE || + object_type > LAST_OBJECT_TYPE || + object_type == OBJECT_TYPE_TEMPORARY_TABLE) + return HA_ERR_NO_REFERENCED_ROW; + + /* Reject illegal enum values in ENABLED */ + if ((enabled_value != ENUM_YES) && (enabled_value != ENUM_NO)) + return HA_ERR_NO_REFERENCED_ROW; + + /* Reject illegal enum values in TIMED */ + if ((timed_value != ENUM_YES) && (timed_value != ENUM_NO)) + return HA_ERR_NO_REFERENCED_ROW; + + enabled= (enabled_value == ENUM_YES) ? true : false; + timed= (timed_value == ENUM_YES) ? true : false; + + result= insert_setup_object(object_type, object_schema, object_name, + enabled, timed); + if (result == 0) + result= update_derived_flags(); + return result; +} + +int table_setup_objects::delete_all_rows(void) +{ + int result= reset_setup_object(); + if (result == 0) + result= update_derived_flags(); + return result; +} + +ha_rows table_setup_objects::get_row_count(void) +{ + return global_setup_object_container.get_row_count(); +} + +table_setup_objects::table_setup_objects() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(0), m_next_pos(0) +{} + +void table_setup_objects::reset_position(void) +{ + m_pos.m_index= 0; + m_next_pos.m_index= 0; +} + +int table_setup_objects::rnd_next(void) +{ + PFS_setup_object *pfs; + + m_pos.set_at(&m_next_pos); + PFS_setup_object_iterator it= global_setup_object_container.iterate(m_pos.m_index); + pfs= it.scan_next(& m_pos.m_index); + if (pfs != NULL) + { + make_row(pfs); + m_next_pos.set_after(&m_pos); + return 0; + } + + return HA_ERR_END_OF_FILE; +} + +int table_setup_objects::rnd_pos(const void *pos) +{ + PFS_setup_object *pfs; + + set_position(pos); + + pfs= global_setup_object_container.get(m_pos.m_index); + if (pfs != NULL) + { + make_row(pfs); + return 0; + } + + return HA_ERR_RECORD_DELETED; +} + +void table_setup_objects::make_row(PFS_setup_object *pfs) +{ + pfs_optimistic_state lock; + + m_row_exists= false; + + pfs->m_lock.begin_optimistic_lock(&lock); + + m_row.m_object_type= pfs->get_object_type(); + memcpy(m_row.m_schema_name, pfs->m_schema_name, pfs->m_schema_name_length); + m_row.m_schema_name_length= pfs->m_schema_name_length; + memcpy(m_row.m_object_name, pfs->m_object_name, pfs->m_object_name_length); + m_row.m_object_name_length= pfs->m_object_name_length; + m_row.m_enabled_ptr= &pfs->m_enabled; + m_row.m_timed_ptr= &pfs->m_timed; + + if (pfs->m_lock.end_optimistic_lock(&lock)) + m_row_exists= true; +} + +int table_setup_objects::read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all) +{ + Field *f; + + if (unlikely(! m_row_exists)) + return HA_ERR_RECORD_DELETED; + + /* Set the null bits */ + assert(table->s->null_bytes == 1); + buf[0]= 0; + + for (; (f= *fields) ; fields++) + { + if (read_all || bitmap_is_set(table->read_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* OBJECT_TYPE */ + set_field_enum(f, m_row.m_object_type); + break; + case 1: /* OBJECT_SCHEMA */ + if (m_row.m_schema_name_length) + set_field_varchar_utf8(f, m_row.m_schema_name, + m_row.m_schema_name_length); + else + f->set_null(); + break; + case 2: /* OBJECT_NAME */ + if (m_row.m_object_name_length) + set_field_varchar_utf8(f, m_row.m_object_name, + m_row.m_object_name_length); + else + f->set_null(); + break; + case 3: /* ENABLED */ + set_field_enum(f, (*m_row.m_enabled_ptr) ? ENUM_YES : ENUM_NO); + break; + case 4: /* TIMED */ + set_field_enum(f, (*m_row.m_timed_ptr) ? ENUM_YES : ENUM_NO); + break; + default: + assert(false); + } + } + } + + return 0; +} + +int table_setup_objects::update_row_values(TABLE *table, + const unsigned char *, + const unsigned char *, + Field **fields) +{ + int result; + Field *f; + enum_yes_no value; + + for (; (f= *fields) ; fields++) + { + if (bitmap_is_set(table->write_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* OBJECT_TYPE */ + case 1: /* OBJECT_SCHEMA */ + case 2: /* OBJECT_NAME */ + return HA_ERR_WRONG_COMMAND; + case 3: /* ENABLED */ + value= (enum_yes_no) get_field_enum(f); + /* Reject illegal enum values in ENABLED */ + if ((value != ENUM_YES) && (value != ENUM_NO)) + return HA_ERR_NO_REFERENCED_ROW; + *m_row.m_enabled_ptr= (value == ENUM_YES) ? true : false; + break; + case 4: /* TIMED */ + value= (enum_yes_no) get_field_enum(f); + /* Reject illegal enum values in TIMED */ + if ((value != ENUM_YES) && (value != ENUM_NO)) + return HA_ERR_NO_REFERENCED_ROW; + *m_row.m_timed_ptr= (value == ENUM_YES) ? true : false; + break; + default: + assert(false); + } + } + } + + result= update_derived_flags(); + return result; +} + +int table_setup_objects::delete_row_values(TABLE *table, + const unsigned char *buf, + Field **fields) +{ + assert(m_row_exists); + + CHARSET_INFO *cs= &my_charset_utf8mb3_bin; + enum_object_type object_type= OBJECT_TYPE_TABLE; + String object_schema(m_row.m_schema_name, m_row.m_schema_name_length, cs); + String object_name(m_row.m_object_name, m_row.m_object_name_length, cs); + + int result= delete_setup_object(object_type, &object_schema, &object_name); + + if (result == 0) + result= update_derived_flags(); + return result; +} + -- cgit v1.2.3