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Consistently use the term 'partitioned rel' in partprune comments

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We were using 'partition rel' in a few places, which is quite confusing.

Author: Amit Langote
Reviewed-by: David Rowley
Reviewed-by: Michaël Paquier
Discussion: https://postgr.es/m/fd256561-31a2-4b7e-cd84-d8241e7ebc3f@lab.ntt.co.jp
This commit is contained in:
Alvaro Herrera 2018-06-20 11:43:01 -04:00
parent 74cfbc8efd
commit 8f97af60d1
2 changed files with 8 additions and 7 deletions
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12
src/backend/partitioning/partprune.c
View File

@ -176,7 +176,7 @@ static bool partkey_datum_from_expr(PartitionPruneContext *context,
/* /*
* make_partition_pruneinfo * make_partition_pruneinfo
* Build List of PartitionPruneInfos, one for each 'partitioned_rels'. * Build List of PartitionPruneInfos, one for each partitioned rel.
* These can be used in the executor to allow additional partition * These can be used in the executor to allow additional partition
* pruning to take place. * pruning to take place.
* *
@ -190,7 +190,7 @@ static bool partkey_datum_from_expr(PartitionPruneContext *context,
* pruning done during planning will have pruned everything that can be. * pruning done during planning will have pruned everything that can be.
*/ */
List * List *
make_partition_pruneinfo(PlannerInfo *root, List *partition_rels, make_partition_pruneinfo(PlannerInfo *root, List *partitioned_rels,
List *subpaths, List *prunequal) List *subpaths, List *prunequal)
{ {
RelOptInfo *targetpart = NULL; RelOptInfo *targetpart = NULL;
@ -229,11 +229,11 @@ make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
/* /*
* relid_subpart_map maps relid of a non-leaf partition to the index in * relid_subpart_map maps relid of a non-leaf partition to the index in
* 'partition_rels' of that rel (which will also be the index in the * 'partitioned_rels' of that rel (which will also be the index in the
* returned PartitionPruneInfo list of the info for that partition). * returned PartitionPruneInfo list of the info for that partition).
*/ */
i = 1; i = 1;
foreach(lc, partition_rels) foreach(lc, partitioned_rels)
{ {
Index rti = lfirst_int(lc); Index rti = lfirst_int(lc);
@ -246,8 +246,8 @@ make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
relid_subpart_map[rti] = i++; relid_subpart_map[rti] = i++;
} }
/* We now build a PartitionPruneInfo for each rel in partition_rels */ /* We now build a PartitionPruneInfo for each partitioned rel */
foreach(lc, partition_rels) foreach(lc, partitioned_rels)
{ {
Index rti = lfirst_int(lc); Index rti = lfirst_int(lc);
RelOptInfo *subpart = find_base_rel(root, rti); RelOptInfo *subpart = find_base_rel(root, rti);

3
src/include/partitioning/partprune.h
View File

@ -74,7 +74,8 @@ typedef struct PartitionPruneContext
#define PruneCxtStateIdx(partnatts, step_id, keyno) \ #define PruneCxtStateIdx(partnatts, step_id, keyno) \
((partnatts) * (step_id) + (keyno)) ((partnatts) * (step_id) + (keyno))
extern List *make_partition_pruneinfo(PlannerInfo *root, List *partition_rels, extern List *make_partition_pruneinfo(PlannerInfo *root,
List *partitioned_rels,
List *subpaths, List *prunequal); List *subpaths, List *prunequal);
extern Relids prune_append_rel_partitions(RelOptInfo *rel); extern Relids prune_append_rel_partitions(RelOptInfo *rel);
extern Bitmapset *get_matching_partitions(PartitionPruneContext *context, extern Bitmapset *get_matching_partitions(PartitionPruneContext *context,