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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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7
src/sql/engine/expr/ob_expr_get_user_var.cpp
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@ -19,6 +19,7 @@
#include "share/object/ob_obj_cast.h"
#include "sql/session/ob_sql_session_info.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/engine/expr/ob_expr_lob_utils.h"
namespace oceanbase
{
using namespace common;
@ -113,8 +114,14 @@ int ObExprGetUserVar::eval_get_user_var(const ObExpr &expr, ObEvalCtx &ctx, ObDa
OZ(ObDatumCast::cast_obj(ctx, calc_alloc, expr.datum_meta_.type_,
expr.datum_meta_.cs_type_, sess_obj, res_obj));
OZ(res.from_obj(res_obj));
if (is_lob_storage(res_obj.get_type())) {
OZ(ob_adjust_lob_datum(res_obj, expr.obj_meta_, ctx.exec_ctx_.get_allocator(), res));
}
} else {
OZ(res.from_obj(sess_obj));
if (is_lob_storage(sess_obj.get_type())) {
OZ(ob_adjust_lob_datum(sess_obj, expr.obj_meta_, ctx.exec_ctx_.get_allocator(), res));
}
}
// res.ptr_ may allocated by temporary allocator, need deep copy.
OZ(expr.deep_copy_datum(ctx, res));