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[FEAT MERGE] merge NLJ/SPF group rescan

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This commit is contained in:
obdev
2023-01-12 15:17:04 +00:00
committed by OB-robot
parent 4799992a7f
commit 263a44af96
36 changed files with 3945 additions and 859 deletions
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29
src/sql/das/ob_das_scan_op.cpp
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@ -796,6 +796,17 @@ int ObLocalIndexLookupOp::get_next_row()
switch (state_) {
case INDEX_SCAN: {
lookup_rowkey_cnt_ = 0;
if (is_group_scan_) {
//See the comment in the ObLocalIndexLookupOp::get_next_rows
set_index_group_cnt(get_lookup_group_cnt());
ret = set_rowkey_scan_group(get_lookup_group_cnt() - 1);
if (OB_SUCCESS != ret) {
LOG_WARN("set_rowkey_scan_group fail",K(get_lookup_group_cnt() - 1),K(ret));
if (OB_ITER_END == ret) {
ret = OB_ERR_UNEXPECTED;
}
}
}
int64_t start_group_idx = get_index_group_cnt() - 1;
while (OB_SUCC(ret) && lookup_rowkey_cnt_ < default_row_batch_cnt) {
index_rtdef_->p_pd_expr_op_->clear_evaluated_flag();
@ -894,6 +905,22 @@ int ObLocalIndexLookupOp::get_next_rows(int64_t &count, int64_t capacity)
case INDEX_SCAN: {
int64_t rowkey_count = 0;
lookup_rowkey_cnt_ = 0;
if (is_group_scan_) {
//Do the group scan jump read.
//Now we support jump read in GroupScan iter.
//Some of row read from index maybe jump.
//We need to sync index_group_cnt with lookup_group_cnt.
//Because in the rescan we manipulate the lookup_group_cnt.
set_index_group_cnt(get_lookup_group_cnt());
ret = set_rowkey_scan_group(get_lookup_group_cnt() - 1);
if (OB_SUCCESS != ret) {
LOG_WARN("set_rowkey_scan_group fail",K(get_lookup_group_cnt() - 1),K(ret));
if (OB_ITER_END == ret) {
ret = OB_ERR_UNEXPECTED;
}
}
}
int64_t start_group_idx = get_index_group_cnt() - 1;
while (OB_SUCC(ret) && lookup_rowkey_cnt_ < default_row_batch_cnt) {
int64_t batch_size = min(capacity, default_row_batch_cnt - lookup_rowkey_cnt_);
@ -997,7 +1024,9 @@ int ObLocalIndexLookupOp::get_next_rows(int64_t &count, int64_t capacity)
int ObLocalIndexLookupOp::check_lookup_row_cnt()
{
int ret = OB_SUCCESS;
//In group scan the jump read may happend, so the lookup_group_cnt and lookup_rowkey_cnt_ mismatch.
if (GCONF.enable_defensive_check()
&& !is_group_scan_
&& lookup_ctdef_->pd_expr_spec_.pushdown_filters_.empty()) {
if (OB_UNLIKELY(lookup_rowkey_cnt_ != lookup_row_cnt_)
&& get_index_group_cnt() == get_lookup_group_cnt()) {