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Copy pathob_show_resolver.cpp
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3835 lines (3766 loc) · 199 KB
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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define USING_LOG_PREFIX SQL_RESV
#include "sql/resolver/cmd/ob_show_resolver.h"
#include "sql/resolver/dcl/ob_grant_resolver.h"
#include "observer/virtual_table/ob_tenant_all_tables.h"
#include "storage/tx/ob_xa_define.h"
#include "share/schema/ob_schema_printer.h"
#include "share/catalog/ob_catalog_utils.h"
using namespace oceanbase::common;
using namespace oceanbase::share;
using namespace oceanbase::share::schema;
namespace oceanbase
{
namespace sql
{
ObShowResolver::ObShowResolver(ObResolverParams ¶ms)
: ObSelectResolver(params)
{
params_.is_from_show_resolver_ = true;
}
ObShowResolver::~ObShowResolver()
{
}
#define GEN_SQL_STEP_1(SHOW_STMT_TYPE, args...) \
do { \
if (OB_SUCC(ret)) { \
show_resv_ctx.like_column_ = SHOW_STMT_TYPE##_LIKE == NULL ? ObString::make_string("") : \
ObString::make_string(SHOW_STMT_TYPE##_LIKE); \
if (OB_SUCC(ret) && OB_FAIL(sql_gen.init(params_.allocator_))) { \
LOG_WARN("fail to init sql string generator", K(ret)); \
} else if (OB_FAIL(sql_gen.gen_select_str(SHOW_STMT_TYPE##_SELECT, ##args))) { \
LOG_WARN("fail to generate select string", K(ret)); \
} else { /*do nothing*/ } \
} \
} while(0)
#define GEN_SQL_STEP_2(SHOW_STMT_TYPE, args...) \
do { \
if (OB_SUCC(ret)) { \
if (OB_FAIL(sql_gen.gen_from_str(SHOW_STMT_TYPE##_SUBQUERY, ##args))) { \
LOG_WARN("fail to generate from string", K(ret)); \
} else { \
sql_gen.assign_sql_str(select_sql); \
} \
} \
} while(0)
static constexpr char check_table_ok_template[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'status' As Msg_type, "
"'OK' As Msg_text "
"FROM dual)";
static constexpr char check_table_db_not_exists1[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'Error' As Msg_type, "
"\"Unknown database \'%s\'\" As Msg_text "
"FROM dual)";
static constexpr char check_table_db_not_exists2[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'error' As Msg_type, "
"'Corrupt' As Msg_text "
"FROM dual)";
static constexpr char check_table_table_not_exists1[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'Error' As Msg_type, "
"\"Table \'%s.%s\' doesn't exist\" As Msg_text "
"FROM dual)";
static constexpr char check_table_table_not_exists2[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'status' As Msg_type, "
"'Operation failed' As Msg_text "
"FROM dual)";
static constexpr char check_table_view_invalid1[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'Error' As Msg_type, "
"\"View \'%s.%s\' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them\" As Msg_text "
"FROM dual)";
static constexpr char check_table_view_invalid2[] =
"(SELECT \'%s.%s\' As \"Table\", "
"'check' As Op, "
"'error' As Msg_type, "
"'Corrupt' As Msg_text "
"FROM dual)";
int ObShowResolver::check_db_access_for_show_sql(const uint64_t catalog_id,
const ObShowResolverContext &show_resv_ctx,
ObSessionPrivInfo &session_priv,
const common::ObIArray<uint64_t> &enable_role_id_array)
{
int ret = OB_SUCCESS;
ObString show_db_name = show_resv_ctx.show_database_name_;
if (OB_FAIL(schema_checker_->check_db_access(session_priv, enable_role_id_array, catalog_id, show_db_name))) {
if (OB_ERR_NO_DB_PRIVILEGE == ret) {
LOG_USER_ERROR(OB_ERR_NO_DB_PRIVILEGE, session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(),session_priv.host_name_.ptr(),
show_db_name.length(), show_db_name.ptr());
} else {
LOG_WARN("fail to check priv", K(ret));
}
} else { /* do nothing */ }
return ret;
}
int ObShowResolver::resolve(const ParseNode &parse_tree)
{
int ret = OB_SUCCESS;
uint64_t real_tenant_id = OB_INVALID_ID;
uint64_t sql_tenant_id = OB_INVALID_TENANT_ID;
uint64_t catalog_id = OB_INVALID_ID;
ObString database_name;
ObSessionPrivInfo session_priv;
ObString select_sql;
ObString user_name;
ObString host_name;
uint64_t user_id = OB_INVALID_ID;
ObShowResolverContext show_resv_ctx;
if (OB_UNLIKELY(NULL == session_info_
|| NULL == params_.allocator_
|| NULL == schema_checker_
|| NULL == schema_checker_->get_schema_guard())) {
ret = OB_NOT_INIT;
LOG_WARN("data member is not init",
K(ret),
K(session_info_),
K(params_.allocator_),
K(schema_checker_));
} else if (OB_UNLIKELY(parse_tree.type_ < T_SHOW_TABLES || parse_tree.type_ > T_SHOW_GRANTS)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_TRIGGERS)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_PROFILE)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_PROCEDURE_CODE)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_FUNCTION_CODE)
&& OB_UNLIKELY(parse_tree.type_ != T_XA_RECOVER)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_ENGINE)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_OPEN_TABLES)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_CREATE_USER)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_CHECK_TABLE)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_OLAP_ASYNC_JOB_STATUS)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_CATALOGS)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_CREATE_CATALOG)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_LOCATIONS)
&& OB_UNLIKELY(parse_tree.type_ != T_SHOW_CREATE_LOCATION)
&& OB_UNLIKELY(parse_tree.type_ != T_LOCATION_UTILS_LIST)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected parse tree type", K(ret), K(parse_tree.type_));
} else {
real_tenant_id = session_info_->get_effective_tenant_id();
sql_tenant_id = ObSchemaUtils::get_extract_tenant_id(real_tenant_id, real_tenant_id);
catalog_id = session_info_->get_current_default_catalog();
database_name.assign_ptr(session_info_->get_database_name().ptr(),
session_info_->get_database_name().length());
user_name.assign_ptr(session_info_->get_user_name().ptr(),
session_info_->get_user_name().length());
host_name.assign_ptr(session_info_->get_host_name().ptr(),
session_info_->get_host_name().length());
user_id = session_info_->get_user_id();
if (OB_FAIL(session_info_->get_session_priv_info(session_priv))) {
LOG_WARN("faile to get session priv info", K(ret));
}
}
const common::ObIArray<uint64_t> &enable_role_id_array = session_info_->get_enable_role_array();
if (OB_SUCC(ret)) {
show_resv_ctx.cur_tenant_id_ = real_tenant_id;
show_resv_ctx.actual_tenant_id_ = real_tenant_id;
show_resv_ctx.database_name_ = ObString("oceanbase");
show_resv_ctx.parse_tree_ = &parse_tree;
}
if (OB_SUCC(ret)) {
common::ObSEArray<int64_t, 4> subquery_params;
ObArenaAllocator alloc;
ObStmtNeedPrivs stmt_need_privs;
stmt_need_privs.need_privs_.set_allocator(&alloc);
ObSqlStrGenerator sql_gen;
const bool is_oracle_mode = false;
switch (parse_tree.type_) {
case T_SHOW_TABLES: {
if (OB_UNLIKELY(parse_tree.num_child_ != 3 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else if (OB_UNLIKELY(NULL == parse_tree.children_[2])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parser tree child is NULL",
K(ret),
K(parse_tree.children_[2]));
} else {
show_resv_ctx.condition_node_ = parse_tree.children_[1];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_TABLES;
ParseNode *condition_node = show_resv_ctx.condition_node_;
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
if (OB_FAIL(get_database_info(catalog_id,
parse_tree.children_[0],
database_name,
real_tenant_id,
show_resv_ctx,
show_db_id))) {
LOG_WARN("fail to get database info", K(ret));
} else if (OB_UNLIKELY(OB_INVALID_ID == show_db_id)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("database id is invalid", K(ret), K(show_db_id));
} else if (OB_FAIL(check_db_access_for_show_sql(catalog_id, show_resv_ctx, session_priv, enable_role_id_array))) {
LOG_WARN("check db access for show sql failed", K(ret));
} else {
/* (parse_tree.children_[2]->value_)&1 -> FULL
* ((parse_tree.children_[2]->value_)>>1)&1 -> EXTENDED
* ObServer does not have hidden tables created by failed ALTER TABLE
* statements, hence we do nothing for "EXTENDED"
*/
bool is_full = (1 == ((parse_tree.children_[2]->value_)&1));
bool is_extended = (1 == (((parse_tree.children_[2]->value_)>>1)&1));
if (OB_UNLIKELY(((parse_tree.children_[2]->value_)>>2) != 0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("node value unexpected", K(ret), K(parse_tree.children_[2]->value_));
break;
} else if (!is_full) {
if (NULL != condition_node && T_LIKE_CLAUSE == condition_node->type_) {
if (OB_UNLIKELY(condition_node->num_child_ != 2
|| NULL == condition_node->children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid like parse node",
K(ret),
K(condition_node->num_child_),
K(condition_node->children_));
} else if (OB_UNLIKELY(NULL == condition_node->children_[0]
|| NULL == condition_node->children_[1])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid like parse node",
K(ret),
K(condition_node->num_child_),
K(condition_node->children_[0]),
K(condition_node->children_[1]));
} else {
GEN_SQL_STEP_1(
ObShowSqlSet::SHOW_TABLES_LIKE,
show_resv_ctx.show_database_name_.length(),
show_resv_ctx.show_database_name_.ptr(),
static_cast<ObString::obstr_size_t>(condition_node->children_[0]->str_len_), // cast int64_t to obstr_size_t
condition_node->children_[0]->str_value_);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_TABLES_LIKE, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_TABLES_TNAME, show_db_id);
}
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_TABLES,
show_resv_ctx.show_database_name_.length(),
show_resv_ctx.show_database_name_.ptr());
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_TABLES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_TABLES_TNAME, show_db_id);
}
} else {
if (NULL != condition_node && T_LIKE_CLAUSE == condition_node->type_) {
if (OB_UNLIKELY(condition_node->num_child_ != 2
|| NULL == condition_node->children_[0]
|| NULL == condition_node->children_[1])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid like parse node",
K(ret),
K(condition_node->num_child_),
K(condition_node->children_[0]),
K(condition_node->children_[1]));
} else {
GEN_SQL_STEP_1(
ObShowSqlSet::SHOW_FULL_TABLES_LIKE,
show_resv_ctx.show_database_name_.length(),
show_resv_ctx.show_database_name_.ptr(),
static_cast<ObString::obstr_size_t>(condition_node->children_[0]->str_len_), // cast int64_t to obstr_size_t
condition_node->children_[0]->str_value_);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_FULL_TABLES_LIKE,
OB_SYS_DATABASE_NAME,
OB_TENANT_VIRTUAL_SHOW_TABLES_TNAME,
show_db_id);
}
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_FULL_TABLES,
show_resv_ctx.show_database_name_.length(),
show_resv_ctx.show_database_name_.ptr());
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_FULL_TABLES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_TABLES_TNAME, show_db_id);
}
}
//change where condition :Tables_in_xxx=>table_name
if (OB_SUCCESS == ret && NULL != condition_node && T_WHERE_CLAUSE == condition_node->type_) {
char *column_name = NULL;
int64_t tmp_pos = 0;
if (OB_FAIL(NULL == (column_name = static_cast<char *>(params_.allocator_->alloc(OB_MAX_COLUMN_NAME_BUF_LENGTH))))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to alloc column name buf", K(column_name));
} else if (OB_FAIL(databuff_printf(column_name,
OB_MAX_COLUMN_NAME_BUF_LENGTH,
tmp_pos,
"tables_in_%.*s",
show_resv_ctx.show_database_name_.length(),
show_resv_ctx.show_database_name_.ptr()))) {
LOG_WARN("fail to add database name", K(show_resv_ctx.show_database_name_.ptr()));
break;
} else if (FALSE_IT(show_resv_ctx.column_name_ = ObString::make_string(column_name))){
//won't be here
} else if(OB_FAIL(replace_where_clause(condition_node->children_[0], show_resv_ctx))) {
LOG_WARN("fail to replace where clause", K(condition_node->children_[0]));
break;
}
}
}
}
break;
}
case T_SHOW_DATABASES: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 2 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
show_resv_ctx.condition_node_ = parse_tree.children_[0];
ParseNode *condition_node = show_resv_ctx.condition_node_;
show_resv_ctx.stmt_type_ = stmt::T_SHOW_DATABASES;
bool show_db_status = parse_tree.children_[1] != NULL ? true : false;
if (NULL != show_resv_ctx.condition_node_ && T_LIKE_CLAUSE == show_resv_ctx.condition_node_->type_) {
if (OB_UNLIKELY(show_resv_ctx.condition_node_->num_child_ != 2
|| NULL == show_resv_ctx.condition_node_->children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid like parse node",
K(ret),
K(show_resv_ctx.condition_node_->num_child_),
K(show_resv_ctx.condition_node_->children_));
} else if (OB_UNLIKELY(NULL == condition_node->children_[0]
|| NULL == condition_node->children_[1])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid like parse node",
K(ret),
K(condition_node->num_child_),
K(condition_node->children_[0]),
K(condition_node->children_[1]));
} else {
if (show_db_status) {
if (is_external_catalog_id(catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show database status like in catalog is");
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_DATABASES_STATUS_LIKE,
static_cast<ObString::obstr_size_t>(
show_resv_ctx.condition_node_->children_[0]->str_len_), // cast int64_t to obstr_size_t
show_resv_ctx.condition_node_->children_[0]->str_value_);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_DATABASES_STATUS_LIKE, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_DATABASE_STATUS_TNAME);
}
} else {
if (is_external_catalog_id(catalog_id)) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CATALOG_DATABASES_LIKE,
static_cast<ObString::obstr_size_t>(
show_resv_ctx.condition_node_->children_[0]->str_len_), // cast int64_t to obstr_size_t
show_resv_ctx.condition_node_->children_[0]->str_value_);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CATALOG_DATABASES_LIKE,
OB_SYS_DATABASE_NAME,
OB_TENANT_VIRTUAL_SHOW_CATALOG_DATABASES_TNAME,
catalog_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_DATABASES_LIKE,
static_cast<ObString::obstr_size_t>(
show_resv_ctx.condition_node_->children_[0]->str_len_), // cast int64_t to obstr_size_t
show_resv_ctx.condition_node_->children_[0]->str_value_);
// Add OB_PUBLIC_SCHEMA_NAME to match three parameters
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_DATABASES_LIKE,
OB_SYS_DATABASE_NAME,
OB_ALL_DATABASE_TNAME,
sql_tenant_id,
OB_RECYCLEBIN_SCHEMA_NAME,
OB_PUBLIC_SCHEMA_NAME,
OB_PUBLIC_SCHEMA_NAME);
}
}
}
} else {
if (show_db_status) {
if (is_external_catalog_id(catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show database status in catalog is");
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_DATABASES_STATUS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_DATABASES_STATUS, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_DATABASE_STATUS_TNAME);
}
} else {
if (is_external_catalog_id(catalog_id)) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CATALOG_DATABASES);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CATALOG_DATABASES,
OB_SYS_DATABASE_NAME,
OB_TENANT_VIRTUAL_SHOW_CATALOG_DATABASES_TNAME,
catalog_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_DATABASES);
// Add OB_PUBLIC_SCHEMA_NAME to match three parameters
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_DATABASES,
OB_SYS_DATABASE_NAME,
OB_ALL_DATABASE_TNAME,
sql_tenant_id,
OB_RECYCLEBIN_SCHEMA_NAME,
OB_PUBLIC_SCHEMA_NAME,
OB_PUBLIC_SCHEMA_NAME);
}
}
}
}
}();
break;
}
case T_SHOW_VARIABLES: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 2 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else if (OB_UNLIKELY(NULL == parse_tree.children_[0])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parser tree child is NULL",
K(ret),
K(parse_tree.children_[0]));
} else {
show_resv_ctx.condition_node_ = parse_tree.children_[1];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_VARIABLES;
show_resv_ctx.global_scope_ = 1 == parse_tree.children_[0]->value_ ? true : false;
if (true == show_resv_ctx.global_scope_) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_GLOBAL_VARIABLES);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_GLOBAL_VARIABLES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_GLOBAL_VARIABLE_TNAME);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_VARIABLES);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_VARIABLES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SESSION_VARIABLE_TNAME);
}
}
}();
break;
}
case T_SHOW_COLUMNS: {
[&] {
// desc table
if (OB_UNLIKELY(parse_tree.num_child_ != 4 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else if (OB_UNLIKELY(NULL == parse_tree.children_[0])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parser tree child is NULL",
K(ret),
K(parse_tree.children_[0]));
} else {
uint64_t show_catalog_id = OB_INVALID_ID;
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_table_name;
uint64_t show_table_id = OB_INVALID_ID;
bool is_view;
show_resv_ctx.condition_node_ = parse_tree.children_[3];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_COLUMNS;
if (OB_FAIL(resolve_show_from_table(parse_tree.children_[1], parse_tree.children_[2],
database_name.empty(), T_SHOW_COLUMNS, real_tenant_id,
show_catalog_id, show_db_name, show_db_id, show_table_name,
show_table_id, is_view))) {
LOG_WARN("fail to resolve show from table", K(ret));
} else {
if (OB_FAIL(stmt_need_privs.need_privs_.init(3))) {
LOG_WARN("fail to init need privs array", K(ret));
} else {
}
}
if (OB_SUCC(ret)) {
/* (parse_tree.children_[0]->value_)&1 -> FULL
* ((parse_tree.children_[0]->value_)>>1)&1 -> EXTENDED
*/
bool is_full = (1 == ((parse_tree.children_[0]->value_)&1));
bool is_extended = (1 == (((parse_tree.children_[0]->value_)>>1)&1));
if (OB_UNLIKELY(((parse_tree.children_[0]->value_)>>2) != 0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("node value unexpected", K(ret), K(parse_tree.children_[0]->value_));
} else if (is_full) {
if (is_extended) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_EXTENDED_FULL_COLUMNS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_EXTENDED_FULL_COLUMNS, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_TABLE_COLUMN_TNAME, show_table_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_FULL_COLUMNS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_FULL_COLUMNS, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_TABLE_COLUMN_TNAME, show_table_id);
}
} else {
if (is_extended) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_EXTENDED_COLUMNS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_EXTENDED_COLUMNS, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_TABLE_COLUMN_TNAME, show_table_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_COLUMNS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_COLUMNS, OB_SYS_DATABASE_NAME,OB_TENANT_VIRTUAL_TABLE_COLUMN_TNAME, show_table_id);
}
}
}
}
}();
break;
}
case T_SHOW_CREATE_DATABASE: {
[&] {
if (is_external_catalog_id(catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show create database in catalog is");
} else if (OB_UNLIKELY(parse_tree.num_child_ != 2 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else if (OB_UNLIKELY(NULL == parse_tree.children_[1])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parser tree child is NULL",
K(ret),
K(parse_tree.children_[1]));
} else {
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
show_resv_ctx.stmt_type_ = stmt::T_SHOW_CREATE_DATABASE;
if (OB_FAIL(resolve_show_from_database(*parse_tree.children_[1],
real_tenant_id,
catalog_id, // here catalog_id is 0, because external catalog will not go here
show_db_id,
show_db_name))) {
LOG_WARN("fail to resolve show database", K(ret), K(real_tenant_id));
} else if (OB_FAIL(schema_checker_->check_db_access(session_priv, enable_role_id_array, catalog_id, show_db_name))) {
if (OB_ERR_NO_DB_PRIVILEGE == ret) {
LOG_USER_ERROR(OB_ERR_NO_DB_PRIVILEGE, session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(),session_priv.host_name_.ptr(),
show_db_name.length(), show_db_name.ptr());
} else {
LOG_WARN("fail to check priv", K(ret));
}
} else if (NULL != parse_tree.children_[0]) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_DATABASE_EXISTS);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_DATABASE_EXISTS, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_CREATE_DATABASE_TNAME, show_db_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_DATABASE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_DATABASE, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_CREATE_DATABASE_TNAME, show_db_id);
}
}
}();
break;
}
case T_SHOW_CREATE_VIEW:
case T_SHOW_CREATE_TABLE: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
uint64_t show_catalog_id = OB_INVALID_ID;
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_table_name;
uint64_t show_table_id = OB_INVALID_ID;
bool is_view = false;
bool allow_show = false;
if (OB_FAIL(resolve_show_from_table(parse_tree.children_[0], NULL, database_name.empty(),
parse_tree.type_, real_tenant_id, show_catalog_id, show_db_name,
show_db_id, show_table_name, show_table_id, is_view))) {
LOG_WARN("fail to resolve show from table", K(ret));
}
if (OB_FAIL(ret)) {
} else if (T_SHOW_CREATE_VIEW == parse_tree.type_ || is_view) {
ObNeedPriv need_priv;
need_priv.db_ = show_db_name;
need_priv.table_ = show_table_name;
need_priv.priv_set_ = OB_PRIV_SHOW_VIEW | OB_PRIV_SELECT;
need_priv.priv_level_ = OB_PRIV_TABLE_LEVEL;
if (OB_FAIL(stmt_need_privs.need_privs_.init(1))) {
LOG_WARN("Failed to init stmt need priv", K(ret));
} else if (OB_FAIL(stmt_need_privs.need_privs_.push_back(need_priv))) {
LOG_WARN("Failed to add need priv", K(ret));
} else if (OB_FAIL(schema_checker_->check_priv(session_priv, enable_role_id_array, stmt_need_privs))) {
LOG_WARN("Failed to check acc", K(ret));
} else { }//do nothing
} else if (OB_FAIL(schema_checker_->check_table_show(session_priv, enable_role_id_array, catalog_id, show_db_name, show_table_name, allow_show))) {
LOG_WARN("Check table show error", K(ret));
} else if (!allow_show) {
ret = OB_ERR_NO_TABLE_PRIVILEGE;
LOG_USER_ERROR(OB_ERR_NO_TABLE_PRIVILEGE, static_cast<int>(strlen("SHOW")), "SHOW",
session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(),session_priv.host_name_.ptr(),
show_table_name.length(), show_table_name.ptr());
} else { }//do nothing
if (OB_SUCC(ret)) {
show_resv_ctx.stmt_type_ = (parse_tree.type_ == T_SHOW_CREATE_TABLE) ? stmt::T_SHOW_CREATE_TABLE : stmt::T_SHOW_CREATE_VIEW;
if (parse_tree.type_ == T_SHOW_CREATE_VIEW || is_view) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_VIEW);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_VIEW, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_CREATE_TABLE_TNAME, show_table_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_TABLE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_TABLE, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_CREATE_TABLE_TNAME, show_table_id);
}
}
}
}();
break;
}
case T_SHOW_CHECK_TABLE:
{
if (is_external_catalog_id(catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show check table in catalog is");
} else if (OB_FAIL(resolve_show_check_table(parse_tree, show_resv_ctx, select_sql))) {
LOG_WARN("failed to resolve show check table", K(ret));
}
break;
}
case T_SHOW_CREATE_USER:
{
if (OB_FAIL(resolve_show_create_user(parse_tree, show_resv_ctx, session_priv, enable_role_id_array, stmt_need_privs, select_sql, sql_gen))) {
LOG_WARN("failed to resolve show create user", K(ret));
}
break;
}
case T_SHOW_CREATE_PROCEDURE:
case T_SHOW_CREATE_FUNCTION: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_routine_name;
uint64_t show_routine_id = OB_INVALID_ID;
int64_t proc_type = -1;
bool allow_show = false;
if (OB_FAIL(resolve_show_from_routine(parse_tree.children_[0], database_name.empty(),
parse_tree.type_, real_tenant_id, show_db_name,
show_db_id, show_routine_name, show_routine_id, proc_type))) {
LOG_WARN("fail to resolve show from routine", K(ret));
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(schema_checker_->check_routine_show(
session_priv, show_db_name, show_routine_name, allow_show))) {
LOG_WARN("Check routine show error", K(ret));
} else if (!allow_show) {
ret = OB_ERR_NO_TABLE_PRIVILEGE;
LOG_USER_ERROR(OB_ERR_NO_TABLE_PRIVILEGE, static_cast<int>(strlen("SHOW")), "SHOW",
session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(), session_priv.host_name_.ptr(),
show_routine_name.length(), show_routine_name.ptr());
} else { }//do nothing
if (OB_SUCC(ret)) {
show_resv_ctx.stmt_type_ = (parse_tree.type_ == T_SHOW_CREATE_PROCEDURE) ? stmt::T_SHOW_CREATE_PROCEDURE : stmt::T_SHOW_CREATE_FUNCTION;
if (parse_tree.type_ == T_SHOW_CREATE_PROCEDURE) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_PROCEDURE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_PROCEDURE, OB_SYS_DATABASE_NAME,OB_TENANT_VIRTUAL_SHOW_CREATE_PROCEDURE_TNAME, show_routine_id, proc_type);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_FUNCTION);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_FUNCTION, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_SHOW_CREATE_PROCEDURE_TNAME, show_routine_id, proc_type);
}
}
}
}();
break;
}
case T_SHOW_PROCEDURE_CODE:
case T_SHOW_FUNCTION_CODE: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_routine_name;
uint64_t show_routine_id = OB_INVALID_ID;
int64_t proc_type = -1;
bool allow_show = false;
if (OB_FAIL(resolve_show_from_routine(parse_tree.children_[0], database_name.empty(),
parse_tree.type_, real_tenant_id, show_db_name,
show_db_id, show_routine_name, show_routine_id, proc_type))) {
LOG_WARN("fail to resolve show from routine", K(ret));
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(schema_checker_->check_routine_show(
session_priv, show_db_name, show_routine_name, allow_show))) {
LOG_WARN("Check routine show error", K(ret));
} else if (!allow_show) {
ret = OB_ERR_NO_TABLE_PRIVILEGE;
LOG_USER_ERROR(OB_ERR_NO_TABLE_PRIVILEGE, static_cast<int>(strlen("SHOW")), "SHOW",
session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(), session_priv.host_name_.ptr(),
show_routine_name.length(), show_routine_name.ptr());
} else { }//do nothing
if (OB_SUCC(ret)) {
show_resv_ctx.stmt_type_ = (parse_tree.type_ == T_SHOW_PROCEDURE_CODE) ? stmt::T_SHOW_PROCEDURE_CODE : stmt::T_SHOW_FUNCTION_CODE;
if (parse_tree.type_ == T_SHOW_PROCEDURE_CODE) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_PROCEDURE_CODE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_PROCEDURE_CODE);
LOG_USER_WARN(OB_NOT_SUPPORTED, "show procedure code statement is currently implemented as mock,");
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_FUNCTION_CODE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_FUNCTION_CODE);
LOG_USER_WARN(OB_NOT_SUPPORTED, "show function code statement is currently implemented as mock,");
}
}
}
}();
break;
}
case T_SHOW_CREATE_TRIGGER: {
[&] {
if (is_external_catalog_id(catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show create trigger in catalog is");
} else if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_),
K(parse_tree.children_));
} else {
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_tg_name;
uint64_t show_tg_id = OB_INVALID_ID;
ObString show_table_name;
bool allow_show = false;
if (OB_FAIL(resolve_show_from_trigger(parse_tree.children_[0],
database_name.empty(),
real_tenant_id, show_db_name,
show_db_id, show_tg_name, show_tg_id, show_table_name))) {
LOG_WARN("fail to resolve show from trigger", K(ret));
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(schema_checker_->check_trigger_show(session_priv, enable_role_id_array, show_db_name,
show_tg_name, allow_show, show_table_name))) {
LOG_WARN("Check trigger show error", K(ret));
} else if (!allow_show) {
ret = OB_ERR_NO_PRIVILEGE;
LOG_WARN("trigger not has priv", K(ret), K(show_db_name), K(show_table_name), K(show_tg_name));
LOG_USER_ERROR(OB_ERR_NO_PRIVILEGE, "TRIGGER");
} else { }//do nothing
if (OB_SUCC(ret)) {
show_resv_ctx.stmt_type_ = stmt::T_SHOW_CREATE_TRIGGER;
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CREATE_TRIGGER);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CREATE_TRIGGER,
OB_SYS_DATABASE_NAME,
OB_TENANT_VIRTUAL_SHOW_CREATE_TRIGGER_TNAME,
show_tg_id);
}
}
}();
break;
}
case T_SHOW_INDEXES: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 4 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
uint64_t show_catalog_id = OB_INVALID_ID;
ObString show_db_name;
uint64_t show_db_id = OB_INVALID_ID;
ObString show_table_name;
uint64_t show_table_id = OB_INVALID_ID;
ObObj show_table_id_obj;
bool is_view;
bool is_extended = (1 == parse_tree.children_[3]->value_);
show_resv_ctx.condition_node_ = parse_tree.children_[2];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_INDEXES;
if (OB_FAIL(resolve_show_from_table(parse_tree.children_[0], parse_tree.children_[1], database_name.empty(),
T_SHOW_INDEXES, real_tenant_id, show_catalog_id, show_db_name, show_db_id,
show_table_name, show_table_id, is_view))) {
LOG_WARN("fail to resolve show from table", K(ret));
} else if (is_external_catalog_id(show_catalog_id)) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show indexes in catalog is");
} else {
if (OB_FAIL(stmt_need_privs.need_privs_.init(3))) {
LOG_WARN("fail to init need privs array", K(ret));
} else {
ObNeedPriv need_priv;
//Priv check: global select || db select || table acc
need_priv.priv_level_ = OB_PRIV_USER_LEVEL;
need_priv.priv_set_ = OB_PRIV_SELECT;
stmt_need_privs.need_privs_.push_back(need_priv);
need_priv.priv_level_ = OB_PRIV_DB_LEVEL;
need_priv.priv_set_ = OB_PRIV_SELECT;
need_priv.db_ = show_db_name;
stmt_need_privs.need_privs_.push_back(need_priv);
need_priv.priv_level_ = OB_PRIV_TABLE_LEVEL;
need_priv.priv_set_ = OB_PRIV_TABLE_ACC;
need_priv.db_ = show_db_name;
need_priv.table_ = show_table_name;
stmt_need_privs.need_privs_.push_back(need_priv);
if (OB_FAIL(schema_checker_->check_priv_or(session_priv, enable_role_id_array, stmt_need_privs))) {
if (OB_ERR_NO_TABLE_PRIVILEGE == ret) {
ret = OB_SUCCESS;
bool pass = false;
if (OB_FAIL(schema_checker_->get_schema_guard()->check_priv_any_column_priv(
session_priv, enable_role_id_array, show_db_name, show_table_name, pass))) {
LOG_WARN("fail to collect privs in roles", K(ret));
} else if (!pass) {
ret = OB_ERR_NO_TABLE_PRIVILEGE;
LOG_USER_ERROR(OB_ERR_NO_TABLE_PRIVILEGE, (int)strlen("SELECT"), "SELECT",
session_priv.user_name_.length(), session_priv.user_name_.ptr(),
session_priv.host_name_.length(),session_priv.host_name_.ptr(),
show_table_name.length(), show_table_name.ptr());
}
}
}
}
}
if (OB_SUCC(ret)) {
if (is_extended) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_EXTENDED_INDEXES);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_EXTENDED_INDEXES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_TABLE_INDEX_TNAME, show_table_id);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_INDEXES);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_INDEXES, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_TABLE_INDEX_TNAME, show_table_id);
}
}
}
}();
break;
}
case T_SHOW_CHARSET: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
ObSqlStrGenerator sql_gen;
show_resv_ctx.condition_node_ = parse_tree.children_[0];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_CHARSET;
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_CHARSET);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_CHARSET, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_CHARSET_TNAME);
}
}();
break;
}
case T_SHOW_COLLATION: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 1 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else {
show_resv_ctx.condition_node_ = parse_tree.children_[0];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_COLLATION;
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_COLLATION);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_COLLATION, OB_SYS_DATABASE_NAME, OB_TENANT_VIRTUAL_COLLATION_TNAME);
}
}();
break;
}
case T_SHOW_TRACE: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != 2 || NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong", K(ret), K(parse_tree.num_child_), K(parse_tree.children_));
} else if (!session_info_->get_control_info().is_valid()) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "If full link tracing is not enabled, show trace is");
} else {
show_resv_ctx.condition_node_ = parse_tree.children_[0];
show_resv_ctx.stmt_type_ = stmt::T_SHOW_TRACE;
bool is_row_traceformat = true;
if (NULL != parse_tree.children_[1]) {
ObString show_format;
show_format.assign_ptr(parse_tree.children_[1]->str_value_,
static_cast<ObString::obstr_size_t>(parse_tree.children_[1]->str_len_));
if (show_format.case_compare("JSON")!=0
&& show_format.case_compare("ROW")!=0) {
ret = OB_NOT_SUPPORTED;
LOG_WARN("show format is wrong", K(ret), K(show_format));
LOG_USER_ERROR(OB_NOT_SUPPORTED, "show format only support json/row, other type is ");
} else {
is_row_traceformat = (show_format.case_compare("ROW")==0);
}
}
if (OB_SUCC(ret)) {
session_info_->set_is_row_traceformat(is_row_traceformat);
if (is_row_traceformat) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_TRACE);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_TRACE, OB_SYS_DATABASE_NAME, OB_ALL_VIRTUAL_SHOW_TRACE_TNAME);
} else {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_TRACE_JSON);
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_TRACE_JSON, OB_SYS_DATABASE_NAME, OB_ALL_VIRTUAL_SHOW_TRACE_TNAME);
}
}
}
}();
break;
}
case T_SHOW_GRANTS: {
[&] {
if (OB_UNLIKELY(parse_tree.num_child_ != (lib::is_mysql_mode() ? 2 : 1)
|| NULL == parse_tree.children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parse tree is wrong",
K(ret),
K(parse_tree.num_child_),
K(parse_tree.children_));
} else {
uint64_t show_user_id = OB_INVALID_ID;
ObString show_user_name;
ObString show_host_name;
ObSqlString role_list_str;
show_resv_ctx.stmt_type_ = stmt::T_SHOW_GRANTS;
if (NULL == parse_tree.children_[0]) {
show_user_id = user_id;
show_user_name = user_name;
show_host_name = host_name;
} else if (2 != parse_tree.children_[0]->num_child_) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("sql_parser parse user error", K(ret));
//0: user name; 1: host name
} else if (OB_ISNULL(parse_tree.children_[0])) {
ret = OB_ERR_PARSE_SQL;
LOG_WARN("The child of user node should not be NULL", K(ret));
} else {
const ParseNode *user_hostname_node = parse_tree.children_[0];
ObString user_name(user_hostname_node->children_[0]->str_len_,
user_hostname_node->children_[0]->str_value_);
ObString host_name;
if (NULL == user_hostname_node->children_[1]) {
host_name.assign_ptr(OB_DEFAULT_HOST_NAME, static_cast<int32_t>(STRLEN(OB_DEFAULT_HOST_NAME)));
} else {
host_name.assign_ptr(user_hostname_node->children_[1]->str_value_,
static_cast<int32_t>(user_hostname_node->children_[1]->str_len_));
}
show_user_name = user_name;
show_host_name = host_name;
if (OB_FAIL(schema_checker_->get_user_id(real_tenant_id,
user_name,
host_name,
show_user_id))) {
LOG_WARN("Get user id error", "tenant_id", real_tenant_id,
K(user_name), K(ret));
}
}
if (OB_SUCC(ret)
&& lib::is_mysql_mode()
&& OB_NOT_NULL(parse_tree.children_[1])
&& parse_tree.children_[1]->num_child_ > 0) {
ParseNode *role_list = parse_tree.children_[1];
ObGrantResolver dcl_resolver(params_);
const ObUserInfo *user_info = NULL;
OZ (role_list_str.append_fmt("%lu", show_user_id));
OZ (schema_checker_->get_user_info(real_tenant_id, show_user_id, user_info));
for (int i = 0; OB_SUCC(ret) && i < role_list->num_child_; i++) {
ObString user_name;
ObString host_name;
uint64_t role_id = OB_INVALID_ID;
OZ (dcl_resolver.resolve_user_host(role_list->children_[i], user_name, host_name));
OZ (schema_checker_->get_user_id(real_tenant_id, user_name, host_name, role_id));
if (OB_USER_NOT_EXIST == ret) {
ret = OB_ERR_NO_GRANT_DEFINED_FOR_USER;
LOG_USER_ERROR(OB_ERR_NO_GRANT_DEFINED_FOR_USER,
user_name.length(), user_name.ptr(), host_name.length(), host_name.ptr());
}
if (OB_SUCC(ret) && !has_exist_in_array(user_info->get_role_id_array(), role_id)) {
ret = OB_ERR_ROLE_NOT_GRANTED_TO;
LOG_USER_ERROR(OB_ERR_ROLE_NOT_GRANTED_TO,
user_name.length(), user_name.ptr(),
host_name.length(), host_name.ptr(),
user_info->get_user_name_str().length(),
user_info->get_user_name_str().ptr(),
user_info->get_host_name_str().length(),
user_info->get_host_name_str().ptr());
}
OZ (role_list_str.append_fmt(",%lu", role_id));
}
}
if (OB_SUCC(ret)) {
GEN_SQL_STEP_1(ObShowSqlSet::SHOW_GRANTS, show_user_name.length(), show_user_name.ptr(), show_host_name.length(), show_host_name.ptr());
if (lib::is_mysql_mode() && role_list_str.length() > 0) {
GEN_SQL_STEP_2(ObShowSqlSet::SHOW_GRANTS_USING_ROLES,
OB_SYS_DATABASE_NAME,
OB_TENANT_VIRTUAL_PRIVILEGE_GRANT_TNAME,
role_list_str.string().length(), role_list_str.string().ptr());
} else {