hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

patch 4.0

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

96
src/sql/engine/expr/ob_expr_log.cpp
View File

@ -19,15 +19,21 @@
#include "lib/number/ob_number_v2.h"
#include "sql/engine/expr/ob_expr_ln.h"
namespace oceanbase {
namespace oceanbase
{
using namespace oceanbase::common;
namespace sql {
ObExprLog::ObExprLog(ObIAllocator& alloc) : ObExprOperator(alloc, T_FUN_SYS_LOG, N_LOG, 2, NOT_ROW_DIMENSION)
{}
namespace sql
{
ObExprLog::ObExprLog(ObIAllocator &alloc)
: ObExprOperator(alloc, T_FUN_SYS_LOG, N_LOG, 2, NOT_ROW_DIMENSION)
{
}
int ObExprLog::calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, ObExprTypeCtx& type_ctx) const
int ObExprLog::calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprTypeCtx &type_ctx) const
{
int ret = OB_SUCCESS;
if (lib::is_mysql_mode()) {
@ -47,59 +53,14 @@ int ObExprLog::calc_result_type2(
return ret;
}
int ObExprLog::calc_result2(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx) const
int calc_log_expr_double(const ObExpr &expr, ObEvalCtx &ctx,
ObDatum &res_datum)
{
int ret = OB_SUCCESS;
if (obj1.is_null() || obj2.is_null()) {
result.set_null();
} else if (obj1.is_number() && obj2.is_number()) {
LOG_DEBUG("ObExprLog, both-ObNumber path start");
const number::ObNumber base = obj1.get_number();
const number::ObNumber x = obj2.get_number();
number::ObNumber result_number;
common::ObIAllocator& allocator = *(expr_ctx.calc_buf_);
if (OB_FAIL(x.log(base, result_number, allocator))) {
LOG_WARN("log failed", K(ret), K(x), K(base), K(result_number));
} else {
result.set_number(result_number);
LOG_DEBUG("ObExprLog, 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
double double_base = obj1.get_double();
double double_x = obj2.get_double();
if (lib::is_mysql_mode() && (double_base <= 0 || double_x <= 0)) {
LOG_USER_WARN(OB_EER_INVALID_ARGUMENT_FOR_LOGARITHM);
result.set_null();
} else {
double result_double = std::log(double_x) / std::log(double_base);
if (isinf(result_double) || isnan(result_double)) {
if (lib::is_mysql_mode()) {
LOG_USER_WARN(OB_EER_INVALID_ARGUMENT_FOR_LOGARITHM);
result.set_null();
} else {
ret = OB_OPERATE_OVERFLOW;
}
} else {
result.set_double(result_double);
}
}
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get invalid calc type, expected number/double", K(get_type_name(obj1.get_type())),
K(get_type_name(obj2.get_type())), K(ret));
}
return ret;
}
int calc_log_expr_double(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
{
int ret = OB_SUCCESS;
ObDatum* base = NULL;
ObDatum* x = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) || OB_FAIL(expr.args_[1]->eval(ctx, x))) {
ObDatum *base = NULL;
ObDatum *x = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) ||
OB_FAIL(expr.args_[1]->eval(ctx, x))) {
LOG_WARN("eval arg failed", K(ret), K(expr));
} else if (base->is_null() || x->is_null()) {
res_datum.set_null();
@ -119,12 +80,14 @@ int calc_log_expr_double(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
return ret;
}
int calc_log_expr_number(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
int calc_log_expr_number(const ObExpr &expr, ObEvalCtx &ctx,
ObDatum &res_datum)
{
int ret = OB_SUCCESS;
ObDatum* base = NULL;
ObDatum* x = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) || OB_FAIL(expr.args_[1]->eval(ctx, x))) {
ObDatum *base = NULL;
ObDatum *x = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, base)) ||
OB_FAIL(expr.args_[1]->eval(ctx, x))) {
LOG_WARN("eval arg failed", K(ret), K(expr));
} else if (base->is_null() || x->is_null()) {
res_datum.set_null();
@ -132,7 +95,8 @@ int calc_log_expr_number(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
const number::ObNumber base_nmb(base->get_number());
const number::ObNumber x_nmb(x->get_number());
number::ObNumber res_nmb;
if (OB_FAIL(x_nmb.log(base_nmb, res_nmb, ctx.get_reset_tmp_alloc()))) {
ObEvalCtx::TempAllocGuard alloc_guard(ctx);
if (OB_FAIL(x_nmb.log(base_nmb, res_nmb, alloc_guard.get_allocator()))) {
LOG_WARN("calc log failed", K(ret), K(base_nmb), K(x_nmb), K(res_nmb));
} else {
res_datum.set_number(res_nmb);
@ -141,7 +105,8 @@ int calc_log_expr_number(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
return ret;
}
int ObExprLog::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprLog::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(expr_cg_ctx);
@ -164,5 +129,6 @@ int ObExprLog::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObEx
return ret;
}
} // namespace sql
} // namespace oceanbase
} // namespace sql
} // namespace oceanbase