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Fix skyline pruning interesting order dim failure problem

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This commit is contained in:
obdev
2022-11-03 05:08:32 +00:00
committed by wangzelin.wzl
parent 71611a5ee4
commit 5ea315fe08
2 changed files with 14 additions and 22 deletions
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32
src/sql/optimizer/ob_join_order.cpp
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@ -5701,16 +5701,19 @@ int ObJoinOrder::generate_base_table_paths(PathHelper &helper)
ObSEArray<ObTablePartitionInfo *, 8> tbl_part_infos;
uint64_t table_id = table_id_;
uint64_t ref_table_id = table_meta_info_.ref_table_id_;
if (OB_FAIL(create_access_paths(table_id, ref_table_id, helper, access_paths))) {
if (!helper.is_inner_path_ &&
OB_FAIL(compute_base_table_property(table_id, ref_table_id))) {
LOG_WARN("failed to compute base path property", K(ret));
} else if (OB_FAIL(create_access_paths(table_id, ref_table_id, helper, access_paths))) {
LOG_WARN("failed to add table to join order(single)", K(ret));
} else if (OB_FAIL(compute_table_location_for_paths(access_paths,
tbl_part_infos))) {
LOG_WARN("failed to calc table location", K(ret));
} else if (OB_FAIL(compute_base_table_property(table_id,
ref_table_id,
helper,
access_paths))) {
LOG_WARN("failed to compute base path property", K(ret));
} else if (OB_FAIL(estimate_size_and_width_for_base_table(helper, access_paths))) {
LOG_WARN("failed to estimate_size", K(ret));
} else if (!helper.is_inner_path_ && !is_virtual_table(ref_table_id) &&
OB_FAIL(compute_one_row_info_for_table_scan(access_paths))) {
LOG_WARN("failed to compute one row info", K(ret));
} else if (!access_paths.empty() && // when generate inner path, access_paths may be empty
OB_FAIL(pruning_unstable_access_path(helper.table_opt_info_, access_paths))) {
LOG_WARN("failed to pruning unstable access path", K(ret));
@ -5729,16 +5732,10 @@ int ObJoinOrder::generate_base_table_paths(PathHelper &helper)
}
int ObJoinOrder::compute_base_table_property(uint64_t table_id,
uint64_t ref_table_id,
PathHelper &helper,
ObIArray<AccessPath *> &access_paths)
uint64_t ref_table_id)
{
int ret = OB_SUCCESS;
if (OB_FAIL(estimate_size_and_width_for_base_table(helper, access_paths))) {
LOG_WARN("failed to estimate_size", K(ret));
} else if (helper.is_inner_path_) {
/*do nothing*/
} else if (OB_FAIL(ObOptimizerUtil::compute_const_exprs(restrict_info_set_, output_const_exprs_))) {
if (OB_FAIL(ObOptimizerUtil::compute_const_exprs(restrict_info_set_, output_const_exprs_))) {
LOG_WARN("failed to compute const exprs", K(ret));
} else if (OB_FAIL(ObEqualAnalysis::compute_equal_set(allocator_,
restrict_info_set_,
@ -5748,16 +5745,13 @@ int ObJoinOrder::compute_base_table_property(uint64_t table_id,
ref_table_id,
get_restrict_infos()))) {
LOG_WARN("failed to extract fd item set", K(ret));
} else if (!is_virtual_table(ref_table_id) &&
OB_FAIL(compute_one_row_info_for_table_scan(access_paths))) {
LOG_WARN("failed to compute one row info", K(ret));
} else {
LOG_TRACE("succeed to compute base table property",
K(restrict_info_set_), K(output_const_exprs_),
K(output_equal_sets_), K(is_at_most_one_row_));
K(output_equal_sets_));
}
return ret;
}
}
int ObJoinOrder::pruning_unstable_access_path(BaseTableOptInfo *table_opt_info,
ObIArray<AccessPath *> &access_paths)