* Provide a way to create user-defined partition creation\destruction callbacks (issue[#22](https://github.com/postgrespro/pg_pathman/issues/22))

* Implement LIST partitioning scheme;

* Optimize hash join (both tables are partitioned by join key).

#definePATHMAN_PARTITION_LIST"pathman_partition_list"

#defineNatts_pathman_partition_list6

#defineAnum_pathman_pl_parent1

#defineAnum_pathman_pl_partition2

#defineAnum_pathman_pl_parttype3

#defineAnum_pathman_pl_partattr4

#defineAnum_pathman_pl_range_min5

#defineAnum_pathman_pl_range_max6

#defineAnum_pathman_pl_parent1/* partitioned relation (regclass) */

#defineAnum_pathman_pl_partition2/* child partition (regclass) */

#defineAnum_pathman_pl_parttype3/* partitioning type (1|2) */

#defineAnum_pathman_pl_partattr4/* partitioned column (text) */

#defineAnum_pathman_pl_range_min5/* partition's min value */

#defineAnum_pathman_pl_range_max6/* partition's max value */

PG_FUNCTION_INFO_V1(debug_capture );

{

Relationpathman_config;

HeapScanDescpathman_config_scan;

Snapshotsnapshot;

constPartRelationInfo*current_prel;

constPartRelationInfo*current_prel;/* selected PartRelationInfo */

uint32child_number;

uint32child_number;/* child we're looking at */

}show_partition_list_cxt;

prel=usercxt->current_prel;

if (usercxt->child_number >=PrelChildrenCount(prel))

{

usercxt->current_prel=NULL;

partattr_cstr=get_attname(PrelParentRelid(prel),prel->attnum);

if (!partattr_cstr)

{

usercxt->current_prel=NULL;

continue;

}

values[Anum_pathman_pl_parent-1]=PrelParentRelid(prel);

values[Anum_pathman_pl_parttype-1]=prel->parttype;

values[Anum_pathman_pl_partattr-1]=CStringGetTextDatum(partattr_cstr);