R-tree GiST index for temporal points. More...
#include "point/tpoint_gist.h"#include <assert.h>#include <float.h>#include <utils/timestamp.h>#include <access/gist.h>#include "general/time_gist.h"#include "general/temporaltypes.h"#include "general/tempcache.h"#include "point/tpoint.h"#include "general/tnumber_gist.h"#include "point/tpoint_boxops.h"#include "point/tpoint_distance.h"#include "point/tpoint_posops.h"
Include dependency graph for tpoint_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 | stbox_index_consistent_leaf (const STBOX *key, const STBOX *query, StrategyNumber strategy) |
| Leaf-level consistency for temporal points. More... | |
| static bool | stbox_gist_consistent_internal (const STBOX *key, const STBOX *query, StrategyNumber strategy) |
| Internal-page consistent method for temporal points. More... | |
| bool | tpoint_index_recheck (StrategyNumber strategy) |
| Determine whether a recheck is necessary depending on the strategy. More... | |
| static bool | tpoint_index_get_stbox (FunctionCallInfo fcinfo, STBOX *result, Oid subtype) |
| Transform the query argument into a box initializing the dimensions that must not be taken into account by the operators to infinity. More... | |
| PGDLLEXPORT Datum | stbox_gist_consistent (PG_FUNCTION_ARGS) |
| GiST consistent method for temporal points. More... | |
| static void | stbox_adjust (STBOX *b, const STBOX *addon) |
| Increase the first box to include the second one. More... | |
| PGDLLEXPORT Datum | stbox_gist_union (PG_FUNCTION_ARGS) |
| GiST union method for temporal points. More... | |
| PGDLLEXPORT Datum | tpoint_gist_compress (PG_FUNCTION_ARGS) |
| GiST compress methods for temporal points. More... | |
| PGDLLEXPORT Datum | tpoint_gist_decompress (PG_FUNCTION_ARGS) |
| GiST decompress method for temporal point types (result in an stbox) More... | |
| static void | stbox_union_rt (STBOX *n, const STBOX *a, const STBOX *b) |
| Calculates the union of two tboxes. More... | |
| static double | stbox_size (const STBOX *box) |
| Returns the size of a spatiotemporal box for penalty-calculation purposes. More... | |
| static double | stbox_penalty (const STBOX *original, const STBOX *new) |
| Returns the amount by which the union of the two boxes is larger than the original STBOX's volume. More... | |
| PGDLLEXPORT Datum | stbox_gist_penalty (PG_FUNCTION_ARGS) |
| GiST penalty method for temporal points. More... | |
| static void | stbox_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... | |
| static void | stbox_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 | stbox_gist_picksplit (PG_FUNCTION_ARGS) |
| GiST picksplit method for temporal points. More... | |
| PGDLLEXPORT Datum | stbox_gist_same (PG_FUNCTION_ARGS) |
| GiST same method for temporal points. More... | |
| Datum | stbox_gist_distance (PG_FUNCTION_ARGS) |
| GiST support function. More... | |
Detailed Description
R-tree GiST index for temporal points.
