531 lines
14 KiB
C++
531 lines
14 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SHARE
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#include "share/ob_inner_kv_table_operator.h"
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#include "lib/string/ob_sql_string.h"
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#include "lib/oblog/ob_log_module.h"
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#include "lib/utility/ob_macro_utils.h"
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#include "common/ob_smart_var.h"
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using namespace oceanbase;
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using namespace common;
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using namespace share;
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using namespace sqlclient;
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/**
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* ------------------------------ObInnerKVItemValue---------------------
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*/
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ObInnerKVItemValue::ObInnerKVItemValue()
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{
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const char *column_name = "name";
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name_.assign(column_name);
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}
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/**
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* ------------------------------ObInnerKVItemIntValue---------------------
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*/
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ObInnerKVItemIntValue::ObInnerKVItemIntValue()
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: value_(0)
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{
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}
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int ObInnerKVItemIntValue::set_value(const int64_t value)
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{
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int ret = OB_SUCCESS;
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value_ = value;
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return ret;
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}
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int64_t ObInnerKVItemIntValue::get_value() const
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{
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return value_;
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}
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int ObInnerKVItemIntValue::fill_value_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(dml.add_column("value", value_))) {
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LOG_WARN("failed to add column", K(ret));
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}
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return ret;
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}
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// Parse value from sql result, make sure the result has column of value.
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int ObInnerKVItemIntValue::parse_value_from(sqlclient::ObMySQLResult &result)
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{
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int ret = OB_SUCCESS;
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int64_t value = 0;
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ObString value_str;
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ObSqlString bak_value_str;
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EXTRACT_VARCHAR_FIELD_MYSQL(result, "value", value_str);
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if (OB_FAIL(ret)) {
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} else if (OB_FAIL(bak_value_str.assign(value_str))) {
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LOG_WARN("failed to assign str", K(ret), K(value_str));
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} else if (OB_FAIL(ob_atoll(bak_value_str.ptr(), value))) {
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LOG_WARN("failed to parse int", K(ret), K(bak_value_str));
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} else if (OB_FAIL(set_value(value))) {
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LOG_WARN("failed to set value", K(ret), K(value), K(bak_value_str));
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}
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return ret;
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}
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/**
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* ------------------------------ObInnerKVItemStringValue---------------------
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*/
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ObInnerKVItemStringValue::ObInnerKVItemStringValue()
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: value_()
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{
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}
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int ObInnerKVItemStringValue::set_value(const char *value)
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{
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int ret = OB_SUCCESS;
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ObString str(value);
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if (OB_ISNULL(value)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid value", K(ret), KP(value));
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} else if (OB_FAIL(set_value(str))) {
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LOG_WARN("failed to set value", K(ret), K(str));
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}
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return ret;
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}
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int ObInnerKVItemStringValue::set_value(const ObString &value)
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(value_.assign(value))) {
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LOG_WARN("failed to assign value", K(ret), K(value));
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}
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return ret;
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}
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const char *ObInnerKVItemStringValue::get_value() const
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{
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return value_.ptr();
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}
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int ObInnerKVItemStringValue::fill_value_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(dml.add_column("value", value_.string()))) {
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LOG_WARN("failed to add column", K(ret));
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}
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return ret;
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}
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int ObInnerKVItemStringValue::parse_value_from(sqlclient::ObMySQLResult &result)
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{
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int ret = OB_SUCCESS;
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EXTRACT_VARCHAR_FIELD_TO_CLASS_MYSQL(result, value, (*this));
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return ret;
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}
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/**
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* ------------------------------ObInnerKVItem---------------------
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*/
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ObInnerKVItem::ObInnerKVItem(ObInnerKVItemValue *value)
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: name_(), value_(value)
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{
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}
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int ObInnerKVItem::set_kv_name(const char *name)
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(name)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid name", K(ret), KP(name));
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} else if (OB_FAIL(name_.assign(name))) {
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LOG_WARN("failed to assign name", K(ret), K(name));
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}
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return ret;
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}
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const char *ObInnerKVItem::get_kv_name() const
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{
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return name_.ptr();
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}
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const ObInnerKVItemValue *ObInnerKVItem::get_kv_value() const
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{
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return value_;
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}
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bool ObInnerKVItem::is_pkey_valid() const
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{
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return !name_.is_empty();
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}
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// Return if primary key valid.
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bool ObInnerKVItem::is_valid() const
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{
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return is_pkey_valid() && nullptr != value_;
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}
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int ObInnerKVItem::fill_pkey_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(dml.add_pk_column("name", name_.ptr()))) {
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LOG_WARN("failed to add column", K(ret));
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}
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return ret;
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}
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int ObInnerKVItem::fill_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (!is_valid()) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("not a valid item", K(ret), K(this));
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} else if (OB_FAIL(fill_pkey_dml(dml))) {
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LOG_WARN("failed to fill pkey dml", K(ret));
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} else if (OB_FAIL(value_->fill_value_dml(dml))) {
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LOG_WARN("failed to fill value dml", K(ret));
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}
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return ret;
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}
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// Parse one full item from sql result, the result has full columns.
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int ObInnerKVItem::parse_from(sqlclient::ObMySQLResult &result)
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{
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int ret = OB_SUCCESS;
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int64_t real_length = 0;
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char name_str[OB_INNER_TABLE_DEFAULT_KEY_LENTH] = {0};
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EXTRACT_STRBUF_FIELD_MYSQL(result, "name", name_str, OB_INNER_TABLE_DEFAULT_KEY_LENTH, real_length);
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if (OB_FAIL(ret)) {
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} else if (OB_FAIL(set_kv_name(name_str))) {
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LOG_WARN("failed to set name", K(ret), K(name_str));
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} else if (OB_FAIL(value_->parse_value_from(result))) {
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LOG_WARN("failed to parse value", K(ret), K(name_str));
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}
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return ret;
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}
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/**
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* ------------------------------ObInnerKVItemTenantIdWrapper---------------------
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*/
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const char *ObInnerKVItemTenantIdWrapper::TENANT_ID_COLUMN_NAME = "tenant_id";
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ObInnerKVItemTenantIdWrapper::ObInnerKVItemTenantIdWrapper(ObInnerKVItem *item)
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: ObInnerKVItem(nullptr), tenant_id_(OB_INVALID_TENANT_ID), item_(item)
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{
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}
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int ObInnerKVItemTenantIdWrapper::set_tenant_id(const uint64_t tenant_id)
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{
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int ret = OB_SUCCESS;
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if(OB_INVALID_TENANT_ID == tenant_id) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid tenant id", K(ret), K(tenant_id));
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} else {
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tenant_id_ = tenant_id;
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}
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return ret;
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}
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uint64_t ObInnerKVItemTenantIdWrapper::get_tenant_id() const
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{
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return tenant_id_;
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}
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// Return if primary key valid.
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bool ObInnerKVItemTenantIdWrapper::is_pkey_valid() const
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{
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return nullptr != item_ && item_->is_pkey_valid() && (is_sys_tenant(tenant_id_) || is_user_tenant(tenant_id_));
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}
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bool ObInnerKVItemTenantIdWrapper::is_valid() const
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{
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return nullptr != item_ && is_pkey_valid() && item_->is_valid();
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}
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int ObInnerKVItemTenantIdWrapper::fill_pkey_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(dml.add_pk_column(TENANT_ID_COLUMN_NAME, tenant_id_))) {
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LOG_WARN("failed to add column", K(ret));
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} else if (OB_FAIL(item_->fill_pkey_dml(dml))) {
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LOG_WARN("failed to fill item pkey dml", K(ret));
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}
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return ret;
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}
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int ObInnerKVItemTenantIdWrapper::fill_dml(share::ObDMLSqlSplicer &dml) const
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{
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int ret = OB_SUCCESS;
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if (!is_valid()) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("not a valid item", K(ret), K(this));
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} else if (OB_FAIL(fill_pkey_dml(dml))) {
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LOG_WARN("failed to fill pkey dml", K(ret));
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} else if (OB_FAIL(get_kv_value()->fill_value_dml(dml))) {
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LOG_WARN("failed to fill value dml", K(ret));
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}
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return ret;
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}
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// Parse one full item from sql result, the result has full columns.
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int ObInnerKVItemTenantIdWrapper::parse_from(sqlclient::ObMySQLResult &result)
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{
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int ret = OB_SUCCESS;
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uint64_t tenant_id = OB_INVALID_TENANT_ID;
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EXTRACT_INT_FIELD_MYSQL(result, TENANT_ID_COLUMN_NAME, tenant_id, uint64_t);
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if (OB_FAIL(ret)) {
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} else if (OB_FAIL(set_tenant_id(tenant_id))) {
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LOG_WARN("failed to set tenant id", K(ret), K(tenant_id));
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} else if (OB_FAIL(item_->parse_from(result))) {
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LOG_WARN("failed to parse result", K(ret), K(*this));
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}
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return ret;
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}
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/**
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* ------------------------------ObInnerKVTableOperator---------------------
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*/
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ObInnerKVTableOperator::ObInnerKVTableOperator()
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: is_inited_(false), operator_()
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{
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}
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ObInnerKVTableOperator::~ObInnerKVTableOperator()
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{
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}
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int ObInnerKVTableOperator::init(
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const char *tname, const ObIExecTenantIdProvider &exec_tenant_id_provider)
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{
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int ret = OB_SUCCESS;
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if (IS_INIT) {
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ret = OB_INIT_TWICE;
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LOG_WARN("ObInnerKVTableOperator init twice", K(ret));
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} else if (OB_FAIL(operator_.init(tname, exec_tenant_id_provider))) {
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LOG_WARN("failed to init operator", K(ret), K(tname));
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} else {
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is_inited_ = true;
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}
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return ret;
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}
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int ObInnerKVTableOperator::get_item(ObISQLClient &proxy, const bool need_lock, ObInnerKVItem &item) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.get_row(proxy, need_lock, item, item))) {
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LOG_WARN("failed to get item", K(ret), K(item), K(need_lock));
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}
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return ret;
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}
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int ObInnerKVTableOperator::insert_item(ObISQLClient &proxy, const ObInnerKVItem &item,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.insert_row(proxy, item, affected_rows))) {
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LOG_WARN("failed to insert item", K(ret), K(item));
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}
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return ret;
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}
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int ObInnerKVTableOperator::update_item(ObISQLClient &proxy, const ObInnerKVItem &item,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.update_row(proxy, item, affected_rows))) {
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LOG_WARN("failed to update item", K(ret), K(item));
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}
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return ret;
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}
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int ObInnerKVTableOperator::clean_item(ObISQLClient &proxy, const ObInnerKVItem &item,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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const char *column_name = "value";
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const char *empty_value = "";
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.update_string_column(proxy, item, column_name, empty_value, affected_rows))) {
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LOG_WARN("failed to clean item", K(ret), K(item));
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}
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return ret;
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}
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int ObInnerKVTableOperator::insert_or_update_item(ObISQLClient &proxy, const ObInnerKVItem &item,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.insert_or_update_row(proxy, item, affected_rows))) {
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LOG_WARN("failed to insert/update item", K(ret), K(item));
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}
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return ret;
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}
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int ObInnerKVTableOperator::delete_item(ObISQLClient &proxy, const ObInnerKVItem &item,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.delete_row(proxy, item, affected_rows))) {
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LOG_WARN("failed to delete item", K(ret), K(item));
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}
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return ret;
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}
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int ObInnerKVTableOperator::increase_value_by(
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ObISQLClient &proxy, const ObInnerKVItem &key, const int64_t value,
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int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.increase_column_by(proxy, key, "value", value, affected_rows))) {
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LOG_WARN("failed to increase value by", K(ret), K(key), K(value));
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}
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return ret;
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}
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int ObInnerKVTableOperator::increase_value_by_one(
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ObISQLClient &proxy, const ObInnerKVItem &key, int64_t &affected_rows) const
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{
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return increase_value_by(proxy, key, 1LL, affected_rows);
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}
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// Set column value to old_value + 'value' and return the old_value.
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int ObInnerKVTableOperator::fetch_and_add(
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ObMySQLTransaction &trans, const ObInnerKVItem &key,
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const int64_t value, int64_t old_value, int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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const bool need_lock = true;
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const char *column_name = "value";
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.get_int_column(trans, need_lock, key, column_name, old_value))) {
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LOG_WARN("failed to get int value", K(ret), K(key));
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} else if (OB_FAIL(operator_.increase_column_by(trans, key, column_name, value, affected_rows))) {
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LOG_WARN("failed to increase column value", K(ret), K(key), K(value));
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}
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return ret;
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}
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// Set column value to old_value + 'value' and return the new_value.
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int ObInnerKVTableOperator::add_and_fetch(
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ObMySQLTransaction &trans, const ObInnerKVItem &key,
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const int64_t value, int64_t new_value, int64_t &affected_rows) const
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{
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int ret = OB_SUCCESS;
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int64_t old_value = 0;
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const bool need_lock = true;
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const char *column_name = "value";
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObInnerKVTableOperator not init", K(ret));
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} else if (OB_FAIL(operator_.get_int_column(trans, need_lock, key, column_name, old_value))) {
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LOG_WARN("failed to get int value", K(ret), K(key));
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} else if (OB_FAIL(operator_.increase_column_by(trans, key, column_name, value, affected_rows))) {
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LOG_WARN("failed to increase column value", K(ret), K(key), K(old_value), K(value));
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} else if (OB_FAIL(operator_.get_int_column(trans, need_lock, key, column_name, new_value))) {
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LOG_WARN("failed to get int value", K(ret), K(key), K(old_value), K(value));
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}
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return ret;
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}
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|
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int ObInnerKVTableOperator::compare_and_swap(
|
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ObISQLClient &proxy, const ObInnerKVItem &key,
|
|
const int64_t old_value, int64_t new_value, int64_t &affected_rows) const
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
|
|
const char *column_name = "value";
|
|
if (IS_NOT_INIT) {
|
|
ret = OB_NOT_INIT;
|
|
LOG_WARN("ObInnerKVTableOperator not init", K(ret));
|
|
} else if (OB_FAIL(operator_.compare_and_swap(proxy, key, column_name, old_value, new_value, affected_rows))) {
|
|
LOG_WARN("failed to compare and swap", K(ret), K(key), K(old_value), K(new_value));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ObInnerKVTableOperator::compare_and_swap(
|
|
ObISQLClient &proxy, const ObInnerKVItem &key,
|
|
const char *old_value, const char *new_value, int64_t &affected_rows) const
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
|
|
const char *column_name = "value";
|
|
if (IS_NOT_INIT) {
|
|
ret = OB_NOT_INIT;
|
|
LOG_WARN("ObInnerKVTableOperator not init", K(ret));
|
|
} else if (OB_FAIL(operator_.compare_and_swap(proxy, key, column_name, old_value, new_value, affected_rows))) {
|
|
LOG_WARN("failed to compare and swap", K(ret), K(key), K(old_value), K(new_value));
|
|
}
|
|
|
|
return ret;
|
|
} |