MemoryContext planner_cxt; /* context holding PlannerInfo */
- double total_table_pages; /* # of pages in all non-dummy tables of
+ Cardinality total_table_pages; /* # of pages in all non-dummy tables of
* query */
- double tuple_fraction; /* tuple_fraction passed to query_planner */
- double limit_tuples; /* limit_tuples passed to query_planner */
+ Selectivity tuple_fraction; /* tuple_fraction passed to query_planner */
+ Cardinality limit_tuples; /* limit_tuples passed to query_planner */
Index qual_security_level; /* minimum security_level for quals */
/* Note: qual_security_level is zero if there are no securityQuals */
Relids relids; /* set of base relids (rangetable indexes) */
/* size estimates generated by planner */
- double rows; /* estimated number of result tuples */
+ Cardinality rows; /* estimated number of result tuples */
/* per-relation planner control flags */
bool consider_startup; /* keep cheap-startup-cost paths? */
List *indexlist; /* list of IndexOptInfo */
List *statlist; /* list of StatisticExtInfo */
BlockNumber pages; /* size estimates derived from pg_class */
- double tuples;
+ Cardinality tuples;
double allvisfrac;
Bitmapset *eclass_indexes; /* Indexes in PlannerInfo's eq_classes list of
* ECs that mention this rel */
/* index-size statistics (from pg_class and elsewhere) */
BlockNumber pages; /* number of disk pages in index */
- double tuples; /* number of index tuples in index */
+ Cardinality tuples; /* number of index tuples in index */
int tree_height; /* index tree height, or -1 if unknown */
/* index descriptor information */
NodeTag type;
Relids ppi_req_outer; /* rels supplying parameters used by path */
- double ppi_rows; /* estimated number of result tuples */
+ Cardinality ppi_rows; /* estimated number of result tuples */
List *ppi_clauses; /* join clauses available from outer rels */
} ParamPathInfo;
int parallel_workers; /* desired # of workers; 0 = not parallel */
/* estimated size/costs for path (see costsize.c for more info) */
- double rows; /* estimated number of result tuples */
+ Cardinality rows; /* estimated number of result tuples */
Cost startup_cost; /* cost expended before fetching any tuples */
Cost total_cost; /* total cost (assuming all tuples fetched) */
List *subpaths; /* list of component Paths */
/* Index of first partial path in subpaths; list_length(subpaths) if none */
int first_partial_path;
- double limit_tuples; /* hard limit on output tuples, or -1 */
+ Cardinality limit_tuples; /* hard limit on output tuples, or -1 */
} AppendPath;
#define IS_DUMMY_APPEND(p) \
{
Path path;
List *subpaths; /* list of component Paths */
- double limit_tuples; /* hard limit on output tuples, or -1 */
+ Cardinality limit_tuples; /* hard limit on output tuples, or -1 */
} MergeAppendPath;
/*
List *param_exprs; /* cache keys */
bool singlerow; /* true if the cache entry is to be marked as
* complete after caching the first record. */
- double calls; /* expected number of rescans */
+ Cardinality calls; /* expected number of rescans */
uint32 est_entries; /* The maximum number of entries that the
* planner expects will fit in the cache, or 0
* if unknown */
JoinPath jpath;
List *path_hashclauses; /* join clauses used for hashing */
int num_batches; /* number of batches expected */
- double inner_rows_total; /* total inner rows expected */
+ Cardinality inner_rows_total; /* total inner rows expected */
} HashPath;
/*
Path *subpath; /* path representing input source */
AggStrategy aggstrategy; /* basic strategy, see nodes.h */
AggSplit aggsplit; /* agg-splitting mode, see nodes.h */
- double numGroups; /* estimated number of groups in input */
+ Cardinality numGroups; /* estimated number of groups in input */
uint64 transitionSpace; /* for pass-by-ref transition data */
List *groupClause; /* a list of SortGroupClause's */
List *qual; /* quals (HAVING quals), if any */
{
NodeTag type;
List *set; /* grouping set as list of sortgrouprefs */
- double numGroups; /* est. number of result groups */
+ Cardinality numGroups; /* est. number of result groups */
} GroupingSetData;
typedef struct RollupData
List *groupClause; /* applicable subset of parse->groupClause */
List *gsets; /* lists of integer indexes into groupClause */
List *gsets_data; /* list of GroupingSetData */
- double numGroups; /* est. number of result groups */
+ Cardinality numGroups; /* est. number of result groups */
bool hashable; /* can be hashed */
bool is_hashed; /* to be implemented as a hashagg */
} RollupData;
List *distinctList; /* SortGroupClauses identifying target cols */
AttrNumber flagColIdx; /* where is the flag column, if any */
int firstFlag; /* flag value for first input relation */
- double numGroups; /* estimated number of groups in input */
+ Cardinality numGroups; /* estimated number of groups in input */
} SetOpPath;
/*
Path *rightpath;
List *distinctList; /* SortGroupClauses identifying target cols */
int wtParam; /* ID of Param representing work table */
- double numGroups; /* estimated number of groups in input */
+ Cardinality numGroups; /* estimated number of groups in input */
} RecursiveUnionPath;
/*
typedef struct
{
bool limit_needed;
- double limit_tuples;
+ Cardinality limit_tuples;
int64 count_est;
int64 offset_est;
} FinalPathExtraData;
Cost inner_rescan_run_cost;
/* private for cost_mergejoin code */
- double outer_rows;
- double inner_rows;
- double outer_skip_rows;
- double inner_skip_rows;
+ Cardinality outer_rows;
+ Cardinality inner_rows;
+ Cardinality outer_skip_rows;
+ Cardinality inner_skip_rows;
/* private for cost_hashjoin code */
int numbuckets;
int numbatches;
- double inner_rows_total;
+ Cardinality inner_rows_total;
} JoinCostWorkspace;
/*
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