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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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90
src/sql/engine/expr/ob_expr_ifnull.cpp
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@ -19,22 +19,28 @@
#include "sql/engine/expr/ob_expr_promotion_util.h"
#include "sql/session/ob_sql_session_info.h"
namespace oceanbase {
using namespace oceanbase::common;
namespace sql {
ObExprIfNull::ObExprIfNull(ObIAllocator& alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_IFNULL, N_IFNULL, 2, NOT_ROW_DIMENSION)
{}
namespace oceanbase
{
using namespace oceanbase::common;
namespace sql
{
ObExprIfNull::ObExprIfNull(ObIAllocator &alloc) : ObFuncExprOperator(alloc, T_FUN_SYS_IFNULL, N_IFNULL, 2, NOT_ROW_DIMENSION)
{
}
ObExprIfNull::~ObExprIfNull()
{}
{
}
int ObExprIfNull::calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, ObExprTypeCtx& type_ctx) const
int ObExprIfNull::calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprTypeCtx &type_ctx) const
{
int ret = OB_SUCCESS;
const ObSQLSessionInfo* session = type_ctx.get_session();
const ObSQLSessionInfo *session = type_ctx.get_session();
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("session is NULL", K(ret));
@ -43,12 +49,9 @@ int ObExprIfNull::calc_result_type2(
} else if (ob_is_string_type(type.get_type()) || ob_is_json_tc(type.get_type())) {
ObCollationLevel res_cs_level = CS_LEVEL_INVALID;
ObCollationType res_cs_type = CS_TYPE_INVALID;
if (OB_FAIL(ObCharset::aggregate_collation(type1.get_collation_level(),
type1.get_collation_type(),
type2.get_collation_level(),
type2.get_collation_type(),
res_cs_level,
res_cs_type))) {
if (OB_FAIL(ObCharset::aggregate_collation(type1.get_collation_level(), type1.get_collation_type(),
type2.get_collation_level(), type2.get_collation_type(),
res_cs_level, res_cs_type))) {
LOG_WARN("failed to calc collation", K(ret));
} else {
type.set_collation_level(res_cs_level);
@ -62,8 +65,9 @@ int ObExprIfNull::calc_result_type2(
} else {
type.set_accuracy(type2.get_accuracy());
}
// For the mixed type of int and uint64, the type needs to be promoted to decimal
if ((ObUInt64Type == type1.get_type() || ObUInt64Type == type2.get_type()) && ObIntType == type.get_type()) {
//对于 int 和uint64的混合类型，需要提升类型至decimal
if ((ObUInt64Type == type1.get_type() || ObUInt64Type == type2.get_type())
&& ObIntType == type.get_type()) {
type.set_type(ObNumberType);
type.set_accuracy(ObAccuracy::DDL_DEFAULT_ACCURACY[ObIntType].get_accuracy());
}
@ -77,49 +81,22 @@ int ObExprIfNull::calc_result_type2(
type.set_scale(-1);
}
type.set_length(MAX(type1.get_length(), type2.get_length()));
if (session->use_static_typing_engine()) {
type1.set_calc_meta(type.get_obj_meta());
type1.set_calc_accuracy(type.get_accuracy());
type2.set_calc_meta(type.get_obj_meta());
type2.set_calc_accuracy(type.get_accuracy());
} else {
if (ob_is_enumset_tc(type1.get_type())) {
type1.set_calc_type(type.get_type());
}
if (ob_is_enumset_tc(type2.get_type())) {
type2.set_calc_type(type.get_type());
}
}
type1.set_calc_meta(type.get_obj_meta());
type1.set_calc_accuracy(type.get_accuracy());
type2.set_calc_meta(type.get_obj_meta());
type2.set_calc_accuracy(type.get_accuracy());
}
return ret;
}
int ObExprIfNull::calc_result2(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx) const
{
int ret = OB_SUCCESS;
const ObObj* p_result = NULL;
ObObjType res_type = get_result_type().get_type();
const ObObj* p_target = obj1.is_null() ? &obj2 : &obj1;
ObObj casted_obj;
EXPR_DEFINE_CAST_CTX(expr_ctx, CM_NONE);
if (OB_FAIL(ObObjCaster::to_type(res_type, cast_ctx, *p_target, casted_obj, p_result))) {
LOG_WARN("failed to cast object", K(ret), K(*p_target), K(res_type));
} else if (NULL != p_result) {
result = *p_result;
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to cast object", K(ret), K(*p_target), K(res_type));
}
return ret;
}
int ObExprIfNull::calc_ifnull_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
int ObExprIfNull::calc_ifnull_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum)
{
int ret = OB_SUCCESS;
// ifnull(arg0, arg1);
ObDatum* arg0 = NULL;
ObDatum* arg1 = NULL;
ObDatum *arg0 = NULL;
ObDatum *arg1 = NULL;
// MySQL ifnull是短路的
if (OB_FAIL(expr.args_[0]->eval(ctx, arg0))) {
LOG_WARN("eval arg0 failed", K(ret));
} else if (!arg0->is_null()) {
@ -132,7 +109,8 @@ int ObExprIfNull::calc_ifnull_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum&
return ret;
}
int ObExprIfNull::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprIfNull::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(expr_cg_ctx);
@ -140,5 +118,5 @@ int ObExprIfNull::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, O
rt_expr.eval_func_ = calc_ifnull_expr;
return ret;
}
} // namespace sql
} // namespace oceanbase
} // namespace sql
} // namespace oceanbase