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fix the wrong start address for store_all_expr_datums in winfunc

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obdev
2023-03-02 16:28:47 +00:00
committed by ob-robot
parent d0292eae1a
commit 1158aabcf8
1 changed files with 5 additions and 3 deletions
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8
src/sql/engine/window_function/ob_window_function_op.cpp
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@ -3223,6 +3223,8 @@ int ObWindowFunctionOp::participator_coordinate(
return ret;
}
// Store from store_begin_idx to store_begin_idx + store_num
// Skip rows of beginning that have been stored already but haven't been restore
int ObWindowFunctionOp::store_all_expr_datums(int64_t store_begin_idx, int64_t store_num)
{
int ret = OB_SUCCESS;
@ -3231,14 +3233,14 @@ int ObWindowFunctionOp::store_all_expr_datums(int64_t store_begin_idx, int64_t s
LOG_WARN("backup interval not continuous", K(ret), K(store_begin_idx), K(restore_row_cnt_));
} else if (restore_row_cnt_ < store_begin_idx + store_num) {
const ObIArray<ObExpr *> &all_expr = get_all_expr();
int64_t memcpy_length = store_num * sizeof(ObDatum);
int64_t memcpy_length = (store_begin_idx + store_num - restore_row_cnt_) * sizeof(ObDatum);
if (OB_LIKELY(memcpy_length > 0)) {
ObIArray<ObDatum*> &src_datums = all_expr_datums_;
ObIArray<ObDatum*> &dest_datums = all_expr_datums_copy_;
for (int64_t i = 0; i < all_expr_datums_.count(); i++) {
const bool expr_batch_result = all_expr.at(i)->is_batch_result();
ObDatum *src_datum = src_datums.at(i) + store_begin_idx;
ObDatum *dest_datum = dest_datums.at(i) + store_begin_idx;
ObDatum *src_datum = src_datums.at(i) + restore_row_cnt_;
ObDatum *dest_datum = dest_datums.at(i) + restore_row_cnt_;
if (expr_batch_result) {
MEMCPY(dest_datum, src_datum, memcpy_length);
} else if (0 == store_begin_idx && store_num >= 1) {