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[FEAT MERGE] Lob SQL refactoring (Mem-LobLocator, expressions and dbms_lob adaptions)

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Co-authored-by: chaser-ch <chaser.ch@antgroup.com>
This commit is contained in:
obdev
2023-01-28 20:40:15 +08:00
committed by ob-robot
parent 4bb1033505
commit 3d4f554258
350 changed files with 19091 additions and 3918 deletions
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17
src/sql/engine/expr/ob_expr_nullif.cpp
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@ -23,6 +23,7 @@
#include "sql/session/ob_sql_session_info.h"
#include "sql/engine/expr/ob_datum_cast.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/engine/expr/ob_expr_lob_utils.h"
namespace oceanbase
{
@ -126,6 +127,14 @@ int ObExprNullif::se_deduce_type(ObExprResType &type,
if (OB_SUCC(ret)) {
type.set_calc_meta(cmp_type.get_calc_meta());
type.set_calc_accuracy(cmp_type.get_calc_accuracy());
if (ob_is_string_type(type1.get_type())
&& ob_is_string_type(type2.get_type())
&& ob_obj_type_class(type1.get_type()) != ob_obj_type_class(type2.get_type())
&& ob_enable_lob_locator_v2()) {
// strings and texts cannot compare directly in 4.1
type1.set_calc_type(type.get_calc_meta().get_type());
type2.set_calc_type(type.get_calc_meta().get_type());
}
}
}
return ret;
@ -197,13 +206,16 @@ int ObExprNullif::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
if (!cmp_meta.is_null()) {
DatumCmpFunc cmp_func = NULL;
if (rt_expr.args_[0]->datum_meta_.cs_type_ == rt_expr.args_[1]->datum_meta_.cs_type_) {
bool has_lob_header = rt_expr.args_[0]->obj_meta_.has_lob_header() ||
rt_expr.args_[1]->obj_meta_.has_lob_header();
cmp_func = ObExprCmpFuncsHelper::get_datum_expr_cmp_func(
rt_expr.args_[0]->datum_meta_.type_,
rt_expr.args_[1]->datum_meta_.type_,
rt_expr.args_[0]->datum_meta_.scale_,
rt_expr.args_[1]->datum_meta_.scale_,
lib::is_oracle_mode(),
rt_expr.args_[0]->datum_meta_.cs_type_);
rt_expr.args_[0]->datum_meta_.cs_type_,
has_lob_header);
}
if (NULL != cmp_func) {
rt_expr.inner_func_cnt_ = 1;
@ -218,7 +230,8 @@ int ObExprNullif::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
cmp_meta.get_scale(),
cmp_meta.get_scale(),
lib::is_oracle_mode(),
cmp_meta.get_collation_type()))){
cmp_meta.get_collation_type(),
cmp_meta.has_lob_header()))){
ret = OB_INVALID_ARGUMENT;
LOG_WARN("cmp func is null", K(ret), K(cmp_meta));
} else {