Elgato_dark/hypopg
1
0
Fork 0
mirror of https://github.com/HypoPG/hypopg synced 2026-05-24 09:38:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Modify for partition pruning patch

Browse source
This commit is contained in:
yuzupy 2018-04-19 08:20:14 +00:00 committed by Julien Rouhaud
parent 8f6afc3de5
commit 5c8f53deaa
1 changed files with 13 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
hypopg_table.c
View file

@ -884,7 +884,8 @@ hypo_generate_part_scheme(CreateStmt *stmt, PartitionKey partkey, Oid
{
MemoryContext oldcontext;
PartitionScheme part_scheme;
int partnatts;
int partnatts,
i;
if (!stmt->partspec)
return NULL;
@ -924,6 +925,12 @@ hypo_generate_part_scheme(CreateStmt *stmt, PartitionKey partkey, Oid
memcpy(part_scheme->parttypbyval, partkey->parttypbyval,
sizeof(bool) * partnatts);
part_scheme->partsupfunc = (FmgrInfo *)
palloc(sizeof(FmgrInfo) * partnatts);
for (i = 0; i < partnatts; i++)
fmgr_info_copy(&part_scheme->partsupfunc[i], &partkey->partsupfunc[i],
CurrentMemoryContext);
MemoryContextSwitchTo(oldcontext);
return part_scheme;
@ -1759,10 +1766,8 @@ hypo_injectHypotheticalPartitioning(PlannerInfo *root,
int nparts, i;
int oldsize = root->simple_rel_array_size;
RangeTblEntry *rte;
List *partitioned_child_rels = NIL;
ListCell *cell;
AppendRelInfo *appinfo;
PartitionedChildRelInfo *pcinfo;
/* get all of the partition oids */
inhoids = hypo_find_inheritance_children(parent);
@ -1793,8 +1798,6 @@ hypo_injectHypotheticalPartitioning(PlannerInfo *root,
root->simple_rte_array[rel->relid] = rte;
root->simple_rte_array[oldsize] = rte;
partitioned_child_rels = lappend_int(partitioned_child_rels,
oldsize);
root->parse->rtable = lappend(root->parse->rtable,
root->simple_rte_array[oldsize]);
@ -1849,23 +1852,15 @@ hypo_injectHypotheticalPartitioning(PlannerInfo *root,
i++;
}
/* create pcinfo hypothetically for this rel */
pcinfo = makeNode(PartitionedChildRelInfo);
pcinfo->parent_relid = oldsize;
pcinfo->child_rels = partitioned_child_rels;
root->pcinfo_list = lappend(root->pcinfo_list, pcinfo);
/* add partition info to this rel */
hypo_partition_table(root, rel, parent);
}
/*
* If this rel is partition, we add the partition constraints to the
* rte->securityQuals so that the relation which is need not be scanned
* is marked as Dummy at the set_append_rel_size() and the rel->rows is
* computed correctly at the set_baserel_size_estimates(). We shouldn't
* rewrite the rel->pages and the rel->tuples here, because they will be
* rewritten at the later hook.
* rte->securityQuals so that the rel->rows is computed correctly at
* the set_baserel_size_estimates(). We shouldn't rewrite the rel->pages
* and the rel->tuples here, because they will be rewritten at the later hook.
*
* TODO: should comfirm that the tuples will not referred till the
* set_baserel_size_esimates() and think about rel->reltarget->width
@ -2017,6 +2012,7 @@ hypo_partition_table(PlannerInfo *root, RelOptInfo *rel, hypoTable *entry)
rel->boundinfo = partition_bounds_copy(partdesc->boundinfo, partkey);
rel->nparts = partdesc->nparts;
hypo_generate_partition_key_exprs(entry, rel);
rel->partition_qual = NIL; //FIX ME for multi-level partition
}
@ -2051,7 +2047,7 @@ hypo_get_partition_constraints(PlannerInfo *root, RelOptInfo *rel, hypoTable *pa
*/
constraints = (List *) eval_const_expressions(root, (Node *) constraints);
/* FIXME this func will be modified at pg11 */
constraints = (List *) canonicalize_qual((Expr *) constraints, true);
// constraints = (List *) canonicalize_qual((Expr *) constraints, true);
/* Fix Vars to have the desired varno */
if (rel->relid != 1)
@ -2994,6 +2990,3 @@ HYPO_PARTITION_NOT_SUPPORTED();
return (Datum) 0;
#endif
}