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[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

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This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
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25
src/pl/ob_pl_code_generator.cpp
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@ -1185,7 +1185,7 @@ int ObPLCodeGenerateVisitor::visit(const ObPLForAllStmt &s)
if (OB_SUCC(ret) && OB_NOT_NULL(generator_.get_current().get_v())) {
const ObPLForLoopStmt& for_loop = static_cast<const ObPLForLoopStmt&>(s);
if (OB_NOT_NULL(s.get_sql_stmt()) && !s.get_save_exception()) {
ObLLVMValue lower, upper, lower_obj, upper_obj, p_index_obj;
ObLLVMValue lower, upper, lower_obj, upper_obj, p_index_obj, count;
ObLLVMValue ret_err, is_need_rollback;
ObLLVMType ir_type;
ObLLVMBasicBlock illegal_block, after_block, rollback_block, not_rollback_block;
@ -1201,7 +1201,9 @@ int ObPLCodeGenerateVisitor::visit(const ObPLForAllStmt &s)
OZ (generator_.get_helper().create_alloca(var->get_name(), ir_type, p_index_obj));
OX (generator_.get_vars().at(s.get_ident() + generator_.USER_ARG_OFFSET) = p_index_obj);
OZ (generator_.generate_bound_and_check(s, true, lower, upper, lower_obj, upper_obj, illegal_block));
OZ (generator_.generate_sql(*(s.get_sql_stmt()), ret_err));
OZ (generator_.get_helper().create_sub(upper, lower, count));
OZ (generator_.get_helper().create_inc(count, count));
OZ (generator_.generate_sql(*(s.get_sql_stmt()), ret_err, count));
OZ (generator_.get_helper().create_icmp_eq(ret_err, OB_BATCHED_MULTI_STMT_ROLLBACK, is_need_rollback));
OZ (generator_.get_helper().create_cond_br(is_need_rollback, rollback_block, not_rollback_block));
OZ (generator_.set_current(not_rollback_block));
@ -1558,8 +1560,9 @@ int ObPLCodeGenerateVisitor::visit(const ObPLSqlStmt &s)
} else if (OB_FAIL(generator_.generate_goto_label(s))) {
LOG_WARN("failed to generate goto label", K(ret));
} else {
ObLLVMValue ret_err;
OZ (generator_.generate_sql(s, ret_err));
ObLLVMValue ret_err, count;
OZ (generator_.get_helper().get_int32(0, count));
OZ (generator_.generate_sql(s, ret_err, count));
OZ (generator_.generate_after_sql(s, ret_err));
}
return ret;
@ -2633,9 +2636,8 @@ int ObPLCodeGenerateVisitor::visit(const ObPLFetchStmt &s)
ret_err))) {
LOG_WARN("failed to generate fetch", K(ret));
} else if (lib::is_mysql_mode()) { //Mysql模式直接检查抛出异常
if (OB_FAIL(generator_.check_success(ret_err, s.get_stmt_id(), s.get_block()->in_notfound(), s.get_block()->in_warning()))) {
LOG_WARN("failed to check success", K(ret));
}
OZ (generator_.check_success(
ret_err, s.get_stmt_id(), s.get_block()->in_notfound(), s.get_block()->in_warning(), true));
} else { //Oracle模式如果是OB_READ_NOTHING错误，吞掉异常不抛出
ObLLVMValue is_not_found;
ObLLVMBasicBlock fetch_end;
@ -3357,6 +3359,8 @@ int ObPLCodeGenerator::init_spi_service()
LOG_WARN("push_back error", K(ret));
} else if (OB_FAIL(arg_types.push_back(bool_type))) {
LOG_WARN("push_back error", K(ret));
} else if (OB_FAIL(arg_types.push_back(int32_type))) {
LOG_WARN("push_back error", K(ret));
} else if (OB_FAIL(ObLLVMFunctionType::get(int32_type, arg_types, ft))) {
LOG_WARN("failed to get function type", K(ret));
} else if (OB_FAIL(helper_.create_function(ObString("spi_execute"), ft, spi_service_.spi_execute_))) {
@ -4937,7 +4941,7 @@ int ObPLCodeGenerator::generate_bound_and_check(const ObPLForLoopStmt &s,
return ret;
}
int ObPLCodeGenerator::generate_sql(const ObPLSqlStmt &s, ObLLVMValue &ret_err)
int ObPLCodeGenerator::generate_sql(const ObPLSqlStmt &s, ObLLVMValue &ret_err, ObLLVMValue &array_bind_count)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(get_current().get_v())) {
@ -5015,6 +5019,7 @@ int ObPLCodeGenerator::generate_sql(const ObPLSqlStmt &s, ObLLVMValue &ret_err)
ObLLVMValue is_forall;
OZ (get_helper().get_int8(static_cast<int64_t>(s.is_forall_sql()), is_forall));
OZ (args.push_back(is_forall));
OZ (args.push_back(array_bind_count));
OZ (get_helper().create_call(ObString("spi_execute"), get_spi_service().spi_execute_, args, ret_err));
}
}
@ -6612,7 +6617,7 @@ int ObPLCodeGenerator::raise_exception(ObLLVMValue &exception,
return ret;
}
int ObPLCodeGenerator::check_success(jit::ObLLVMValue &ret_err, int64_t stmt_id,
bool in_notfound, bool in_warning)
bool in_notfound, bool in_warning, bool signal)
{
int ret = OB_SUCCESS;
if (OB_FAIL(helper_.set_insert_point(get_current()))) {
@ -6694,7 +6699,7 @@ int ObPLCodeGenerator::check_success(jit::ObLLVMValue &ret_err, int64_t stmt_id,
LOG_WARN("failed to create_load", K(ret));
} else if (OB_FAIL(helper_.create_load(ObString("load_str_len"), str_len_ptr, str_len))) {
LOG_WARN("failed to create_load", K(ret));
} else if (OB_FAIL(generate_exception(type, ret_err, error_code, sql_state, str_len, stmt_id_value, success_branch, line_number_value, in_notfound, in_warning, false/*not signal*/))) {
} else if (OB_FAIL(generate_exception(type, ret_err, error_code, sql_state, str_len, stmt_id_value, success_branch, line_number_value, in_notfound, in_warning, signal))) {
LOG_WARN("failed to generate exception", K(ret));
} else if (OB_FAIL(set_current(success_branch))) {
LOG_WARN("failed to set_current", K(ret));