R-tree GiST index for temporal integers and temporal floats. More...
#include "general/tnumber_gist.h"#include <assert.h>#include <float.h>#include <math.h>#include <access/gist.h>#include <utils/builtins.h>#include "general/rangetypes_ext.h"#include "general/period.h"#include "general/timeops.h"#include "general/time_gist.h"#include "general/temporal_util.h"#include "general/tempcache.h"#include "general/temporal_boxops.h"#include "general/temporal_posops.h"#include "general/tnumber_distance.h"
Include dependency graph for tnumber_gist.c:
Data Structures | |
| struct | ConsiderSplitContext |
| Structure keeping context for the function period_gist_consider_split. More... | |
Macros | |
| #define | PLACE_LEFT(box, off) |
| #define | PLACE_RIGHT(box, off) |
Functions | |
| bool | tbox_index_consistent_leaf (const TBOX *key, const TBOX *query, StrategyNumber strategy) |
| Leaf-level consistency for temporal numbers. More... | |
| static bool | tbox_gist_consistent_internal (const TBOX *key, const TBOX *query, StrategyNumber strategy) |
| GiST internal-page consistent method for temporal numbers. More... | |
| static bool | tnumber_index_get_tbox (FunctionCallInfo fcinfo, TBOX *query, Oid subtype) |
| Transform the query into a box initializing the dimensions that must not be taken into account by the operators to infinity. More... | |
| PGDLLEXPORT Datum | tnumber_gist_consistent (PG_FUNCTION_ARGS) |
| GiST consistent method for temporal numbers. More... | |
| static void | tbox_adjust (TBOX *b, const TBOX *addon) |
| Increase the first box to include the second one. More... | |
| PGDLLEXPORT Datum | tbox_gist_union (PG_FUNCTION_ARGS) |
| GiST union method for temporal numbers. More... | |
| PGDLLEXPORT Datum | tnumber_gist_compress (PG_FUNCTION_ARGS) |
| GiST compress method for temporal numbers. More... | |
| PGDLLEXPORT Datum | tnumber_gist_decompress (PG_FUNCTION_ARGS) |
| GiST decompress method for temporal numbers (result in a temporal box) More... | |
| static void | tbox_union_rt (TBOX *n, const TBOX *a, const TBOX *b) |
| Calculates the union of two tboxes. More... | |
| static double | tbox_size (const TBOX *box) |
| Returns the size of a temporal box for penalty-calculation purposes. More... | |
| static double | tbox_penalty (const TBOX *original, const TBOX *new) |
| Returns the amount by which the union of the two boxes is larger than the original TBOX's area. More... | |
| PGDLLEXPORT Datum | tbox_gist_penalty (PG_FUNCTION_ARGS) |
| GiST penalty method for temporal boxes. More... | |
| static void | tbox_gist_fallback_split (GistEntryVector *entryvec, GIST_SPLITVEC *v) |
| Trivial split: half of entries will be placed on one page and another half - to another. More... | |
| int | interval_cmp_lower (const void *i1, const void *i2) |
| Interval comparison function by lower bound of the interval;. More... | |
| int | interval_cmp_upper (const void *i1, const void *i2) |
| Interval comparison function by upper bound of the interval;. More... | |
| float | non_negative (float val) |
| Replace negative (or NaN) value with zero. More... | |
| static void | tbox_gist_consider_split (ConsiderSplitContext *context, int dimNum, double rightLower, int minLeftCount, double leftUpper, int maxLeftCount) |
| Consider replacement of currently selected split with the better one. More... | |
| PGDLLEXPORT Datum | tbox_gist_picksplit (PG_FUNCTION_ARGS) |
| GiST picksplit method for temporal numbers. More... | |
| PGDLLEXPORT Datum | tbox_gist_same (PG_FUNCTION_ARGS) |
| GiST same method for temporal numbers. More... | |
| Datum | tbox_gist_distance (PG_FUNCTION_ARGS) |
| GiST support function. More... | |
Detailed Description
R-tree GiST index for temporal integers and temporal floats.
These functions are based on those in the file gistproc.c.
