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patch 4.0

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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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95
src/sql/engine/expr/ob_expr_power.cpp
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@ -18,84 +18,48 @@
#include "sql/session/ob_sql_session_info.h"
#include "lib/number/ob_number_v2.h"
namespace oceanbase {
namespace oceanbase
{
using namespace oceanbase::common;
namespace sql {
ObExprPower::ObExprPower(ObIAllocator& alloc) : ObExprOperator(alloc, T_FUN_SYS_POWER, N_POWER, 2, NOT_ROW_DIMENSION)
{}
namespace sql
{
ObExprPower::ObExprPower(ObIAllocator &alloc)
: ObExprOperator(alloc, T_FUN_SYS_POWER, N_POWER, 2, NOT_ROW_DIMENSION)
{
}
int ObExprPower::calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, ObExprTypeCtx& type_ctx) const
int ObExprPower::calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprTypeCtx &type_ctx) const
{
return calc_trig_function_result_type2(type, type1, type2, type_ctx);
}
int ObExprPower::calc_result2(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx) const
{
return calc(result, obj1, obj2, expr_ctx);
}
int ObExprPower::calc(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx)
{
int ret = OB_SUCCESS;
if (obj1.is_null() || obj2.is_null()) {
result.set_null();
} else if (obj1.is_number() && obj2.is_int()) {
// TODO this path is never used ?
// TODO copied code
LOG_DEBUG("ObExprPower, power_int path start");
const number::ObNumber base_number = obj1.get_number();
const int exponent_int = obj2.get_int();
number::ObNumber result_number;
common::ObIAllocator& allocator = *(expr_ctx.calc_buf_);
if (OB_FAIL(base_number.power(exponent_int, result_number, allocator))) {
LOG_WARN("power (int exponent) failed", K(ret), K(base_number), K(exponent_int), K(result_number));
} else {
result.set_number(result_number);
LOG_DEBUG("ObExprPower, power_int path end successfully");
}
} else if (obj1.is_number() && obj2.is_number()) {
LOG_DEBUG("ObExprPower, both-ObNumber path start");
const number::ObNumber base_number = obj1.get_number();
const number::ObNumber exponent_number = obj2.get_number();
number::ObNumber result_number;
common::ObIAllocator& allocator = *(expr_ctx.calc_buf_);
if (OB_FAIL(base_number.power(exponent_number, result_number, allocator))) {
LOG_WARN("power failed", K(ret), K(base_number), K(exponent_number), K(result_number));
} else {
result.set_number(result_number);
LOG_DEBUG("ObExprPower, ObNumber path end successfully");
}
} else if (obj1.is_double() && obj2.is_double()) {
// same as oracle behavior: if at least one of the arguments is
// binary_double, result type is double
// keep same with static typing engine.
ret = ObExprPow::safe_set_double(result, std::pow(obj1.get_double(), obj2.get_double()));
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("obj type should be number or double", K(obj1), K(obj2), K(ret));
}
return ret;
}
int calc_power_expr_oracle(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
int calc_power_expr_oracle(const ObExpr &expr, ObEvalCtx &ctx,
ObDatum &res_datum)
{
int ret = OB_SUCCESS;
// power(base, exp)
ObDatum* base = NULL;
ObDatum* exp = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) || OB_FAIL(expr.args_[1]->eval(ctx, exp))) {
ObDatum *base = NULL;
ObDatum *exp = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) ||
OB_FAIL(expr.args_[1]->eval(ctx, exp))) {
LOG_WARN("eval arg failed", K(ret), K(expr));
} else if (base->is_null() || exp->is_null()) {
res_datum.set_null();
} else {
if (ObDoubleType == expr.datum_meta_.type_) {
ret = ObExprPow::safe_set_double(res_datum, std::pow(base->get_double(), exp->get_double()));
ret = ObExprPow::safe_set_double(res_datum,
std::pow(base->get_double(),
exp->get_double()));
} else {
const number::ObNumber base_nmb(base->get_number());
const number::ObNumber exp_nmb(exp->get_number());
number::ObNumber res_nmb;
if (OB_FAIL(base_nmb.power(exp_nmb, res_nmb, ctx.get_reset_tmp_alloc()))) {
ObEvalCtx::TempAllocGuard alloc_guard(ctx);
if (OB_FAIL(base_nmb.power(exp_nmb, res_nmb, alloc_guard.get_allocator()))) {
LOG_WARN("calc power failed", K(ret), K(base_nmb), K(exp_nmb));
} else {
res_datum.set_number(res_nmb);
@ -105,13 +69,14 @@ int calc_power_expr_oracle(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datu
return ret;
}
int ObExprPower::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprPower::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(expr_cg_ctx);
CK(2 == raw_expr.get_param_count());
CK (2 == raw_expr.get_param_count());
if (OB_SUCC(ret)) {
if (share::is_oracle_mode()) {
if (lib::is_oracle_mode()) {
rt_expr.eval_func_ = calc_power_expr_oracle;
} else {
rt_expr.eval_func_ = ObExprPow::calc_pow_expr;
@ -120,5 +85,7 @@ int ObExprPower::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, Ob
return ret;
}
} // namespace sql
} // namespace oceanbase
} // namespace sql
} // namespace oceanbase