Miscellaneous utility functions for temporal types. More...
#include "general/temporal_util.h"#include <assert.h>#include <catalog/pg_collation.h>#include <fmgr.h>#include <utils/builtins.h>#include <utils/lsyscache.h>#include <utils/timestamp.h>#include <utils/varlena.h>#include "general/period.h"#include "general/temporaltypes.h"#include "general/tempcache.h"#include "general/doublen.h"#include "point/tpoint.h"#include "point/tpoint_spatialfuncs.h"#include "npoint/tnpoint_static.h"
Include dependency graph for temporal_util.c:
Functions | |
| bool | temporal_type (Oid temptypid) |
| Returns true if the Oid is a EXTERNAL temporal type. More... | |
| void | ensure_temporal_base_type (Oid basetypid) |
| Ensures that the Oid is a base type supported by MobilityDB. More... | |
| bool | base_type_continuous (Oid basetypid) |
| Returns true if the Oid corresponds to a continuous base type. More... | |
| void | ensure_base_type_continuous (Temporal *temp) |
| Ensures that the Oid is an internal or external base type that is continuous. More... | |
| bool | base_type_byvalue (Oid basetypid) |
| Returns true if the values of the type are passed by value. More... | |
| int16 | base_type_length (Oid basetypid) |
| Returns the length of type. More... | |
| bool | talpha_base_type (Oid basetypid) |
| Returns true if the Oid is a alpha base type (i.e., those whose bounding box is a period) supported by MobilityDB. More... | |
| bool | tnumber_type (Oid temptypid) |
| Returns true if the Oid is a temporal number type. More... | |
| bool | tnumber_base_type (Oid basetypid) |
| Test whether the Oid is a number base type supported by MobilityDB. More... | |
| void | ensure_tnumber_base_type (Oid basetypid) |
| Returns true if the Oid is a number base type supported by MobilityDB. More... | |
| bool | tnumber_range_type (Oid rangetypid) |
| Returns true if the Oid is a temporal number type. More... | |
| void | ensure_tnumber_range_type (Oid rangetypid) |
| Ensures that the Oid is a range type. More... | |
| bool | tspatial_type (Oid temptypid) |
| Returns true if the Oid is a spatiotemporal type. More... | |
| bool | tspatial_base_type (Oid basetypid) |
| Returns true if the Oid is a spatiotemporal type. More... | |
| bool | tgeo_base_type (Oid basetypid) |
| Returns true if the Oid is a point base type supported by MobilityDB. More... | |
| void | ensure_tgeo_base_type (Oid basetypid) |
| Ensures that the Oid is a point base type supported by MobilityDB. More... | |
| bool | type_has_precomputed_trajectory (Oid basetypid) |
| Returns true if the temporal type corresponding to the Oid of the base type has its trajectory precomputed. More... | |
| bool | base_type_without_bbox (Oid basetypid) |
| Returns true if the temporal type corresponding to the Oid of the base type has its trajectory precomputed. More... | |
| size_t | temporal_bbox_size (Oid basetypid) |
| Returns the size of the bounding box. More... | |
| Oid | range_oid_from_base (Oid basetypid) |
| Returns the Oid of the range type corresponding to the Oid of the base type. More... | |
| Oid | temporal_oid_from_base (Oid basetypid) |
| Returns the Oid of the temporal type corresponding to the Oid of the base type. More... | |
| Oid | base_oid_from_temporal (Oid temptypid) |
| Returns the Oid of the base type corresponding to the Oid of the temporal type. More... | |
| bool | datum_eq (Datum l, Datum r, Oid type) |
| Returns true if the two values are equal. More... | |
| bool | datum_ne (Datum l, Datum r, Oid type) |
| Returns true if the two values are different. More... | |
| bool | datum_lt (Datum l, Datum r, Oid type) |
| Returns true if the first value is less than the second one. More... | |
| bool | datum_le (Datum l, Datum r, Oid type) |
| Returns true if the first value is less than or equal to the second one. More... | |
| bool | datum_gt (Datum l, Datum r, Oid type) |
| Returns true if the first value is greater than the second one. More... | |
| bool | datum_eq2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the first value is greater than or equal to the second one This function is currently not used bool datum_ge(Datum l, Datum r, Oid type) { return datum_eq2(l, r, type, type) || datum_lt2(r, l, type, type); }. More... | |
| bool | datum_ne2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the two values are different. More... | |
| bool | datum_lt2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the first value is less than the second one (base type dispatch function) More... | |
| bool | datum_le2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the first value is less than or equal to the second one. More... | |
| bool | datum_gt2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the first value is greater than the second one. More... | |
| bool | datum_ge2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns true if the first value is greater than or equal to the second one. More... | |
| Datum | datum2_eq2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the two values are equal. More... | |
| Datum | datum2_ne2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the two values are different. More... | |
| Datum | datum2_lt2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the first value is less than the second one. More... | |
| Datum | datum2_le2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the first value is less than or equal to the second one. More... | |
| Datum | datum2_gt2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the first value is greater than the second one. More... | |
| Datum | datum2_ge2 (Datum l, Datum r, Oid typel, Oid typer) |
| Returns a Datum true if the first value is greater than or equal to the second one. More... | |
| size_t | double_pad (size_t size) |
| Align to double. More... | |
| Datum | datum_copy (Datum value, Oid type) |
| Copy a Datum if it is passed by reference. More... | |
| double | datum_double (Datum d, Oid basetypid) |
| Convert a number to a double. More... | |
| char * | text2cstring (const text *textptr) |
| Convert a text value into a C string. More... | |
| Datum | call_input (Oid type, char *str) |
| Call input function of the base type. More... | |
| char * | call_output (Oid type, Datum value) |
| Call output function of the base type. More... | |
| bytea * | call_send (Oid type, Datum value) |
| Call send function of the base type. More... | |
| Datum | call_recv (Oid type, StringInfo buf) |
| Call receive function of the base type. More... | |
| Datum | call_function1 (PGFunction func, Datum arg1) |
| Call PostgreSQL function with 1 argument. More... | |
| Datum | call_function2 (PGFunction func, Datum arg1, Datum arg2) |
| Call PostgreSQL function with 2 arguments. More... | |
| Datum | call_function3 (PGFunction func, Datum arg1, Datum arg2, Datum arg3) |
| Call PostgreSQL function with 3 arguments. More... | |
| Datum | CallerFInfoFunctionCall4 (PGFunction func, FmgrInfo *flinfo, Oid collation, Datum arg1, Datum arg2, Datum arg3, Datum arg4) |
| void | pfree_array (void **array, int count) |
| Free a C array of pointers. More... | |
| void | pfree_datumarr (Datum *array, int count) |
| Free a C array of Datum pointers. More... | |
| char * | stringarr_to_string (char **strings, int count, int outlen, char *prefix, char open, char close) |
| Returns the string resulting from assembling the array of strings. More... | |
| Datum * | datumarr_extract (ArrayType *array, int *count) |
| Extract a C array from a PostgreSQL array containing datums. More... | |
| TimestampTz * | timestamparr_extract (ArrayType *array, int *count) |
| Extract a C array from a PostgreSQL array containing timestamps. More... | |
| Period ** | periodarr_extract (ArrayType *array, int *count) |
| Extract a C array from a PostgreSQL array containing periods. More... | |
| RangeType ** | rangearr_extract (ArrayType *array, int *count) |
| Extract a C array from a PostgreSQL array containing ranges. More... | |
| Temporal ** | temporalarr_extract (ArrayType *array, int *count) |
| Extract a C array from a PostgreSQL array containing temporal values. More... | |
| ArrayType * | datumarr_to_array (Datum *values, int count, Oid type) |
| Convert a C array of datums into a PostgreSQL array. More... | |
| ArrayType * | timestamparr_to_array (const TimestampTz *times, int count) |
| Convert a C array of timestamps into a PostgreSQL array. More... | |
| ArrayType * | periodarr_to_array (const Period **periods, int count) |
| Convert a C array of periods into a PostgreSQL array. More... | |
| ArrayType * | rangearr_to_array (RangeType **ranges, int count, Oid type) |
| Convert a C array of ranges into a PostgreSQL array. More... | |
| ArrayType * | textarr_to_array (text **textarr, int count) |
| Convert a C array of text values into a PostgreSQL array. More... | |
| ArrayType * | temporalarr_to_array (const Temporal **temporalarr, int count) |
| Convert a C array of temporal values into a PostgreSQL array. More... | |
| ArrayType * | stboxarr_to_array (STBOX *boxarr, int count) |
| Convert a C array of spatiotemporal boxes into a PostgreSQL array. More... | |
| static int | datum_sort_cmp (const Datum *l, const Datum *r, const Oid *type) |
| Comparator function for datums. More... | |
| static int | timestamp_sort_cmp (const TimestampTz *l, const TimestampTz *r) |
| Comparator function for timestamps. More... | |
| static int | period_sort_cmp (const Period **l, const Period **r) |
| Comparator function for periods. More... | |
| static int | range_sort_cmp (const RangeType **l, const RangeType **r) |
| Comparator function for ranges. More... | |
| static int | tinstantarr_sort_cmp (const TInstant **l, const TInstant **r) |
| Comparator function for temporal instants. More... | |
| static int | tsequencearr_sort_cmp (TSequence **l, TSequence **r) |
| Comparator function for temporal sequences. More... | |
| void | datumarr_sort (Datum *values, int count, Oid type) |
| Sort function for datums. More... | |
| void | timestamparr_sort (TimestampTz *times, int count) |
| Sort function for timestamps. More... | |
| void | periodarr_sort (Period **periods, int count) |
| Sort function for double2 This function is currently not used void double2arr_sort(double2 *doubles, int count) { qsort(doubles, count, sizeof(double2), (qsort_comparator) &double2_cmp); }. More... | |
| void | rangearr_sort (RangeType **ranges, int count) |
| Sort function for ranges. More... | |
| void | tinstantarr_sort (TInstant **instants, int count) |
| Sort function for temporal instants. More... | |
| void | tsequencearr_sort (TSequence **sequences, int count) |
| Sort function for temporal sequences. More... | |
| int | datumarr_remove_duplicates (Datum *values, int count, Oid type) |
| Remove duplicates from an array of datums. More... | |
| int | timestamparr_remove_duplicates (TimestampTz *values, int count) |
| Remove duplicates from an array of timestamps. More... | |
| int | tinstantarr_remove_duplicates (const TInstant **instants, int count) |
| Remove duplicates from an array of temporal instants. More... | |
| int | text_cmp (text *arg1, text *arg2, Oid collid) |
| Comparison function for text values. More... | |
| Datum | datum_add (Datum l, Datum r, Oid typel, Oid typer) |
| Returns the addition of the two numbers. More... | |
| Datum | datum_sub (Datum l, Datum r, Oid typel, Oid typer) |
| Returns the subtraction of the two numbers. More... | |
| Datum | datum_mult (Datum l, Datum r, Oid typel, Oid typer) |
| Returns the multiplication of the two numbers. More... | |
| Datum | datum_div (Datum l, Datum r, Oid typel, Oid typer) |
| Returns the division of the two numbers. More... | |
| double | hypot3d (double x, double y, double z) |
| Determine the 3D hypotenuse. More... | |
| double | hypot4d (double x, double y, double z, double m) |
| Determine the 4D hypotenuse. More... | |
Detailed Description
Miscellaneous utility functions for temporal types.
