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Fix reading invalid 8 bytes column in vectorized query.

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This commit is contained in:
obdev
2023-02-17 03:14:31 +00:00
committed by ob-robot
parent 7770bb3358
commit 8367506dbe
6 changed files with 39 additions and 9 deletions
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14
src/sql/engine/expr/ob_expr.h
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@ -436,13 +436,15 @@ public:
return ctx.frames_[frame_idx_] + res_buf_off_;
}
// locate expr datum && reset ptr_ to reserved buf
OB_INLINE ObDatum &locate_datum_for_write(ObEvalCtx &ctx) const;
// locate batch datums and reset datum ptr_ to reserved buf
inline ObDatum *locate_datums_for_update(ObEvalCtx &ctx, const int64_t size) const;
// reset ptr in ObDatum to reserved buf
OB_INLINE void reset_ptr_in_datum(ObEvalCtx &ctx, const int64_t datum_idx) const;
OB_INLINE ObDatum &locate_param_datum(ObEvalCtx &ctx, int param_index) const
{
return args_[param_index]->locate_expr_datum(ctx);
@ -972,6 +974,16 @@ inline ObDatum *ObExpr::locate_datums_for_update(ObEvalCtx &ctx,
return datums;
}
OB_INLINE void ObExpr::reset_ptr_in_datum(ObEvalCtx &ctx, const int64_t datum_idx) const
{
OB_ASSERT(datum_idx >= 0);
char *frame = ctx.frames_[frame_idx_];
OB_ASSERT(NULL != frame);
ObDatum *expr_datum = reinterpret_cast<ObDatum *>(frame + datum_off_) + datum_idx;
char *data_pos = frame + res_buf_off_ + res_buf_len_ * datum_idx;
expr_datum->ptr_ = data_pos;
}
template <typename ...TS>
OB_INLINE int ObExpr::eval_param_value(ObEvalCtx &ctx, TS &...args) const
{