| /*------------------------------------------------------------------------- |
| * |
| * cdbgroupingpaths.h |
| * prototypes for cdbgroupingpaths.c. |
| * |
| * |
| * Portions Copyright (c) 2019-Present VMware, Inc. or its affiliates. |
| * |
| * IDENTIFICATION |
| * src/include/cdb/cdbgroupingpaths.h |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef CDBGROUPINGPATHS_H |
| #define CDBGROUPINGPATHS_H |
| |
| #include "nodes/pathnodes.h" |
| |
| extern void cdb_create_multistage_grouping_paths(PlannerInfo *root, |
| RelOptInfo *input_rel, |
| RelOptInfo *output_rel, |
| PathTarget *target, |
| PathTarget *partial_grouping_target, |
| List *havingQual, |
| double dNumGroupsTotal, |
| const AggClauseCosts *agg_costs, |
| const AggClauseCosts *agg_partial_costs, |
| const AggClauseCosts *agg_final_costs, |
| List *rollups, |
| List *new_rollups, |
| AggStrategy strat, |
| List *partial_pathlist); |
| |
| |
| extern void cdb_create_twostage_distinct_paths(PlannerInfo *root, |
| RelOptInfo *input_rel, |
| RelOptInfo *output_rel, |
| PathTarget *target, |
| double dNumGroupsTotal); |
| |
| extern Path *cdb_prepare_path_for_sorted_agg(PlannerInfo *root, |
| bool is_sorted, |
| int presorted_keys, |
| RelOptInfo *rel, |
| Path *subpath, |
| PathTarget *target, |
| List *group_pathkeys, |
| double limit_tuples, |
| List *groupClause, |
| List *rollups); |
| extern Path *cdb_prepare_path_for_hashed_agg(PlannerInfo *root, |
| Path *subpath, |
| PathTarget *target, |
| List *groupClause, |
| List *rollups); |
| extern List *get_common_group_tles(PathTarget *target, |
| List *groupClause, |
| List *rollups); |
| extern CdbPathLocus choose_grouping_locus(PlannerInfo *root, Path *path, |
| List *group_tles, |
| bool *need_redistribute_p); |
| #endif /* CDBGROUPINGPATHS_H */ |
