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Stable13 #29

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Merged
danolivo merged 20 commits into postgrespro:stable13 from Alena0704:stable13
Jun 13, 2021
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197145a
Prevent distributed deadlocks. Disable AQO for FDW queries.
danolivo Dec 3, 2020
626d5ee
Allow learning (and predicting for) on a ForeignScan, an Append, a Me...
danolivo Dec 4, 2020
386cd6d
Add support of postgres_fdw push-down.
danolivo Dec 4, 2020
0cd3ce3
Process GatherMergePath in get_path_clauses routine.
danolivo Dec 15, 2020
e8dcb5b
Add a foreign relation estimation hook into the core patch and AQO.
danolivo Jan 15, 2021
38d4f77
Add basic regression test on FDW support.
danolivo Jan 15, 2021
8291220
Add missed aqo_fdw.sql
danolivo Jan 19, 2021
9aff621
Prepare the insert_index routine for PGv14 signature
danolivo Jan 18, 2021
36c97ac
Change the license sentence in accordance with 2021.
danolivo Jan 19, 2021
34c640d
Fix the state:
danolivo Jan 19, 2021
fbf27d6
Rename aqo.details to aqo.show_details.
danolivo Jan 20, 2021
d8e18ce
Update the readme file in accordance with the new AQO version.
danolivo Jan 20, 2021
418c7d4
Bugfix of the aqo_fdw regress test
danolivo Jan 20, 2021
505c064
Update README.md
danolivo Feb 6, 2021
453bef5
Rename the aqo_details to aqo_show_details
danolivo Feb 18, 2021
d705b5d
Store selectivity cache data in the cache memory context instead of
danolivo Feb 18, 2021
2b20ff0
Change insert/update scheme for the ML-knowledge base.
danolivo Feb 18, 2021
436b3e6
Improve AQO makefile
danolivo Feb 18, 2021
8ec6572
Bugfix: don't create ignorance table in parallel worker.
danolivo Feb 18, 2021
d339ad0
Make the explain of AQO more readable.
danolivo Mar 1, 2021
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Store selectivity cache data in the cache memory context instead of 
short-living planner memory context.
Some indentations fixed.
  • Loading branch information
danolivo authored and Alena0704 committed Jun 12, 2021
commit d705b5d2736aab639d5cf285f9a50455882aaed0
6 changes: 6 additions & 0 deletions cardinality_hooks.c
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -208,12 +208,16 @@ aqo_get_parameterized_baserel_size(PlannerInfo *root,

if (query_context.use_aqo || query_context.learn_aqo)
{
MemoryContext mcxt;

allclauses = list_concat(list_copy(param_clauses),
list_copy(rel->baserestrictinfo));
selectivities = get_selectivities(root, allclauses, rel->relid,
JOIN_INNER, NULL);
relid = planner_rt_fetch(rel->relid, root)->relid;
get_eclasses(allclauses, &nargs, &args_hash, &eclass_hash);

mcxt = MemoryContextSwitchTo(CacheMemoryContext);
forboth(l, allclauses, l2, selectivities)
{
current_hash = get_clause_hash(
Expand All @@ -222,6 +226,8 @@ aqo_get_parameterized_baserel_size(PlannerInfo *root,
cache_selectivity(current_hash, rel->relid, relid,
*((double *) lfirst(l2)));
}

MemoryContextSwitchTo(mcxt);
pfree(args_hash);
pfree(eclass_hash);
}
Expand Down
18 changes: 9 additions & 9 deletions postprocessing.c
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -94,9 +94,9 @@ learn_sample(List *clauselist, List *selectivities, List *relidslist,
{
int fss_hash;
int nfeatures;
double *matrix[aqo_K];
double targets[aqo_K];
double *features;
double *matrix[aqo_K];
double targets[aqo_K];
double *features;
double target;
int i;

Expand Down Expand Up @@ -138,14 +138,14 @@ restore_selectivities(List *clauselist,
JoinType join_type,
bool was_parametrized)
{
List *lst = NIL;
ListCell*l;
List *lst = NIL;
ListCell*l;
int i = 0;
bool parametrized_sel;
int nargs;
int *args_hash;
int *eclass_hash;
double *cur_sel;
int *args_hash;
int *eclass_hash;
double *cur_sel;
int cur_hash;
int cur_relid;

Expand Down Expand Up @@ -290,7 +290,7 @@ learnOnPlanState(PlanState *p, void *context)
}
else
/* This node does not required to sum tuples of each worker
* to calculate produced rows. */
* to calculate produced rows. */
learn_rows = p->instrument->ntuples / p->instrument->nloops;

if (p->plan->predicted_cardinality > 0.)
Expand Down

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