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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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50
src/sql/resolver/tcl/ob_start_trans_resolver.cpp
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@ -15,58 +15,72 @@
#include "ob_start_trans_resolver.h"
#include "sql/session/ob_sql_session_info.h"
#include "sql/ob_trans_character.h"
#include "share/schema/ob_sys_variable_mgr.h" // ObSimpleSysVariableSchema
namespace oceanbase {
namespace oceanbase
{
using namespace common;
using namespace share;
namespace sql {
namespace sql
{
ObStartTransResolver::ObStartTransResolver(ObResolverParams& params) : ObTCLResolver(params)
{}
ObStartTransResolver::ObStartTransResolver(ObResolverParams &params)
: ObTCLResolver(params)
{
}
ObStartTransResolver::~ObStartTransResolver()
{}
{
}
int ObStartTransResolver::resolve(const ParseNode& parse_node)
int ObStartTransResolver::resolve(const ParseNode &parse_node)
{
int ret = OB_SUCCESS;
ObStartTransStmt* start_stmt = NULL;
if (OB_UNLIKELY(T_BEGIN != parse_node.type_ || 1 != parse_node.num_child_)) {
ObStartTransStmt *start_stmt = NULL;
if (OB_UNLIKELY(T_BEGIN != parse_node.type_ || 2 != parse_node.num_child_)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("unexpected val", K(parse_node.type_), K(parse_node.num_child_), K(ret));
} else if (OB_UNLIKELY(NULL == (start_stmt = create_stmt<ObStartTransStmt>()))) {
ret = OB_SQL_RESOLVER_NO_MEMORY;
LOG_WARN("failed to create select stmt", K(ret));
} else if (OB_ISNULL(schema_checker_)
|| OB_ISNULL(schema_checker_->get_schema_guard())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("schema guard is null", KR(ret));
} else {
stmt_ = start_stmt;
const uint64_t tenant_id = session_info_->get_effective_tenant_id();
const share::schema::ObSysVariableSchema* sys_variable = NULL;
if (OB_FAIL(schema_checker_->get_sys_variable_schema(tenant_id, sys_variable))) {
// Use initial simple sys variable while create a tenant to avoid cyclic dependence
const share::schema::ObSimpleSysVariableSchema *sys_variable = NULL;
share::schema::ObSchemaGetterGuard *schema_guard = schema_checker_->get_schema_guard();
if (OB_FAIL(schema_guard->get_sys_variable_schema(tenant_id, sys_variable))) {
LOG_WARN("fail to get sys variable schema", K(tenant_id), K(ret));
} else if (OB_ISNULL(sys_variable)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("sys variable should not be null", K(tenant_id), K(ret));
} else if (OB_UNLIKELY(!session_info_->has_user_super_privilege() && sys_variable->is_read_only() &&
IS_READ_WRITE(parse_node.children_[0]->value_))) {
} else if (OB_UNLIKELY(!session_info_->has_user_super_privilege()
&& sys_variable->get_read_only()
&& IS_READ_WRITE(parse_node.children_[0]->value_))) {
ret = OB_ERR_OPTION_PREVENTS_STATEMENT;
LOG_WARN("the server is running with read_only, cannot execute stmt");
} else {
bool tx_read_only = params_.session_info_->get_tx_read_only();
if (IS_READ_ONLY(parse_node.children_[0]->value_)) {
start_stmt->set_read_only(true);
} else if (IS_READ_WRITE(parse_node.children_[0]->value_)) {
start_stmt->set_read_only(false);
} else {
start_stmt->set_read_only(tx_read_only);
}
if (IS_WITH_SNAPSHOT(parse_node.children_[0]->value_)) {
start_stmt->set_with_consistent_snapshot(true);
}
// hint
auto hint = parse_node.children_[1];
if (hint) {
start_stmt->set_hint(ObString(hint->str_len_, hint->str_value_));
}
}
}
return ret;
}
} // namespace sql
} // namespace oceanbase
}/* ns sql*/
}/* ns oceanbase */