Basic functions for temporal sequences. More...
#include <postgres.h>#include <catalog/pg_type.h>#include <utils/array.h>#include <utils/rangetypes.h>#include "temporal.h"
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Functions | |
| const TInstant * | tsequence_inst_n (const TSequence *seq, int index) |
| Returns the n-th instant of the temporal value. More... | |
| TSequence * | tsequence_make (const TInstant **instants, int count, bool lower_inc, bool upper_inc, bool linear, bool normalize) |
| Construct a temporal sequence value from the array of temporal instant values. More... | |
| TSequence * | tsequence_make_free (TInstant **instants, int count, bool lower_inc, bool upper_inc, bool linear, bool normalize) |
| Construct a temporal sequence value from the array of temporal instant values and free the array and the instants after the creation. More... | |
| TSequence * | tsequence_copy (const TSequence *seq) |
| Returns a copy of the temporal value. More... | |
| int | tsequence_find_timestamp (const TSequence *seq, TimestampTz t) |
| Returns the index of the segment of the temporal sequence value containing the timestamp using binary search. More... | |
| Datum | tsequence_value_at_timestamp1 (const TInstant *inst1, const TInstant *inst2, bool linear, TimestampTz t) |
| Returns the base value of the segment of the temporal value at the timestamp. More... | |
| TSequence ** | tsequencearr_normalize (const TSequence **sequences, int count, int *newcount) |
| Normalize the array of temporal sequence values. More... | |
| TSequence ** | tsequencearr2_to_tsequencearr (TSequence ***sequences, int *countseqs, int count, int totalseqs) |
| Convert an array of arrays of temporal sequence values into an array of sequence values. More... | |
| bool | intersection_tsequence_tinstant (const TSequence *seq, const TInstant *inst, TInstant **inter1, TInstant **inter2) |
| Temporally intersect the two temporal values. More... | |
| bool | intersection_tinstant_tsequence (const TInstant *inst, const TSequence *seq, TInstant **inter1, TInstant **inter2) |
| Temporally intersect the two temporal values. More... | |
| bool | intersection_tsequence_tinstantset (const TSequence *seq, const TInstantSet *ti, TInstantSet **inter1, TInstantSet **inter2) |
| Temporally intersect the two temporal values. More... | |
| bool | intersection_tinstantset_tsequence (const TInstantSet *ti, const TSequence *seq, TInstantSet **inter1, TInstantSet **inter2) |
| Temporally intersect the two temporal values. More... | |
| bool | synchronize_tsequence_tsequence (const TSequence *seq1, const TSequence *seq2, TSequence **sync1, TSequence **sync2, bool interpoint) |
| Synchronize the two temporal values. More... | |
| bool | tlinearseq_intersection_value (const TInstant *inst1, const TInstant *inst2, Datum value, Oid basetypid, Datum *inter, TimestampTz *t) |
| Returns true if the segment of the temporal value intersects the base value at the timestamp. More... | |
| bool | tlinearseq_intersection_value1 (const TInstant *inst1, const TInstant *inst2, Datum value, Oid basetypid, TimestampTz *t) |
| bool | tsequence_intersection (const TInstant *start1, const TInstant *end1, bool linear1, const TInstant *start2, const TInstant *end2, bool linear2, Datum *inter1, Datum *inter2, TimestampTz *t) |
| Returns true if the two segments of the temporal values intersect at the timestamp. More... | |
| bool | tnumber_min_dist_at_timestamp (const TInstant *start1, const TInstant *end1, bool linear1, const TInstant *start2, const TInstant *end2, bool linear2, Datum *value, TimestampTz *t) |
| Returns true if the two segments of the temporal values intersect at the timestamp. More... | |
| char * | tsequence_to_string (const TSequence *seq, bool component, char *(*value_out)(Oid, Datum)) |
| Returns the string representation of the temporal value. More... | |
| void | tsequence_write (const TSequence *seq, StringInfo buf) |
| Write the binary representation of the temporal value into the buffer. More... | |
| TSequence * | tsequence_read (StringInfo buf, Oid basetypid) |
| Returns a new temporal value from its binary representation read from the buffer (dispatch function) More... | |
| TSequence * | tsequence_from_base_internal (Datum value, Oid basetypid, const Period *p, bool linear) |
| Construct a temporal sequence value from a base value and a period (internal function) More... | |
| Datum | tsequence_from_base (PG_FUNCTION_ARGS) |
| Construct a temporal sequence value from a base value and a period. More... | |
| Temporal * | tsequence_append_tinstant (const TSequence *seq, const TInstant *inst) |
| Append an instant to the temporal value. More... | |
| Temporal * | tsequence_merge (const TSequence *seq1, const TSequence *seq2) |
| Merge the two temporal values. More... | |
| TSequence ** | tsequence_merge_array1 (const TSequence **sequences, int count, int *totalcount) |
| Merge the array of temporal sequence values. More... | |
| Temporal * | tsequence_merge_array (const TSequence **sequences, int count) |
| Merge the array of temporal sequence values. More... | |
| TSequence * | tintseq_to_tfloatseq (const TSequence *seq) |
| Cast the temporal integer value as a temporal float value. More... | |
| TSequence * | tfloatseq_to_tintseq (const TSequence *seq) |
| Cast the temporal float value as a temporal integer value. More... | |
| TSequence * | tinstant_to_tsequence (const TInstant *inst, bool linear) |
| Transform the temporal instant value into a temporal sequence value. More... | |
| TSequence * | tinstantset_to_tsequence (const TInstantSet *ti, bool linear) |
| Transform the temporal instant set value into a temporal sequence value. More... | |
| TSequence * | tsequenceset_to_tsequence (const TSequenceSet *ts) |
| Transform the temporal sequence set value into a temporal sequence value. More... | |
| int | tstepseq_to_linear1 (TSequence **result, const TSequence *seq) |
| Transform the temporal sequence value with continuous base type from stepwise to linear interpolation. More... | |
| TSequenceSet * | tstepseq_to_linear (const TSequence *seq) |
| Transform the temporal sequence value with continuous base type from stepwise to linear interpolation. More... | |
| int | tsequence_values (Datum *result, const TSequence *seq) |
| Returns the distinct base values of the temporal value with stepwise interpolation. More... | |
| ArrayType * | tsequence_values_array (const TSequence *seq) |
| Returns the base values of the temporal value with stepwise interpolation. More... | |
| int | tfloatseq_ranges1 (RangeType **result, const TSequence *seq) |
| Returns the ranges of base values of the temporal float with stepwise interpolation. More... | |
| PeriodSet * | tsequence_get_time (const TSequence *seq) |
| Returns the time on which the temporal value is defined as a period set. More... | |
| void * | tsequence_bbox_ptr (const TSequence *seq) |
| Returns a pointer to the precomputed bounding box of the temporal value. More... | |
| void | tsequence_bbox (void *box, const TSequence *seq) |
| Copy in the first argument the bounding box of the temporal value. More... | |
| RangeType * | tfloatseq_range (const TSequence *seq) |
| Returns the range of base values of the temporal float. More... | |
| ArrayType * | tfloatseq_ranges (const TSequence *seq) |
| Returns the ranges of base values of the temporal float with stepwise interpolation. More... | |
| const TInstant * | tsequence_min_instant (const TSequence *seq) |
| Returns a pointer to the instant with minimum base value of the temporal value. More... | |
| Datum | tsequence_min_value (const TSequence *seq) |
| Returns the minimum base value of the temporal value. More... | |
| Datum | tsequence_max_value (const TSequence *seq) |
| Returns the maximum base value of the temporal value. More... | |
| void | tsequence_period (Period *p, const TSequence *seq) |
| Returns the bounding period on which the temporal value is defined. More... | |
| Datum | tsequence_duration (const TSequence *seq) |
| Returns the duration of the temporal value. More... | |
| ArrayType * | tsequence_segments_array (const TSequence *seq) |
| Returns the segments of the temporal value as a PostgreSQL array. More... | |
| int | tsequence_segments (TSequence **result, const TSequence *seq) |
| Returns the segments of the temporal value as a C array. More... | |
| const TInstant ** | tsequence_instants (const TSequence *seq, int *count) |
| Returns the distinct instants of the temporal value as a C array. More... | |
| ArrayType * | tsequence_instants_array (const TSequence *seq) |
| Returns the distinct instants of the temporal value as a PostgreSQL array. More... | |
| TimestampTz | tsequence_start_timestamp (const TSequence *seq) |
| Returns the start timestamp of the temporal value. More... | |
| TimestampTz | tsequence_end_timestamp (const TSequence *seq) |
| Returns the end timestamp of the temporal value. More... | |
| int | tsequence_timestamps1 (TimestampTz *result, const TSequence *seq) |
| Returns the timestamps of the temporal value as a C array. More... | |
| ArrayType * | tsequence_timestamps (const TSequence *seq) |
| Returns the timestamps of the temporal value as a PostgreSQL array. More... | |
| TSequence * | tsequence_shift_tscale (const TSequence *seq, const Interval *start, const Interval *duration) |
| Shift and/or scale the time span of the temporal value by the two intervals. More... | |
| bool | tsequence_ever_eq (const TSequence *seq, Datum value) |
| Returns true if the temporal value is ever equal to the base value. More... | |
| bool | tsequence_ever_lt (const TSequence *seq, Datum value) |
| Returns true if the temporal value is ever less than the base value. More... | |
| bool | tsequence_ever_le (const TSequence *seq, Datum value) |
| Returns true if the temporal value is ever less than or equal to the base value. More... | |
| bool | tsequence_always_eq (const TSequence *seq, Datum value) |
| Returns true if the temporal value is always equal to the base value. More... | |
| bool | tsequence_always_lt (const TSequence *seq, Datum value) |
| Returns true if the temporal value is always less than the base value. More... | |
| bool | tsequence_always_le (const TSequence *seq, Datum value) |
| Returns true if the temporal value is always less than or equal to the base value. More... | |
| int | tsequence_at_value (TSequence **result, const TSequence *seq, Datum value, bool atfunc) |
| int | tsequence_minus_value (TSequence **result, const TSequence *seq, Datum value) |
| int | tsequence_restrict_value2 (TSequence **result, const TSequence *seq, Datum value, bool atfunc) |
| Restricts the temporal value to the base value. More... | |
| TSequenceSet * | tsequence_restrict_value (const TSequence *seq, Datum value, bool atfunc) |
| Restricts the temporal value to (the complement of) the base value. More... | |
| int | tsequence_at_values1 (TSequence **result, const TSequence *seq, const Datum *values, int count) |
| Restricts the temporal value to the array of base values. More... | |
| TSequenceSet * | tsequence_restrict_values (const TSequence *seq, const Datum *values, int count, bool atfunc) |
| Restricts the temporal value to (the complement of) the array of base values. More... | |
| int | tnumberseq_restrict_range2 (TSequence **result, const TSequence *seq, const RangeType *range, bool atfunc) |
| Restricts the temporal number to the (complement of the) range of base values. More... | |
| TSequenceSet * | tnumberseq_restrict_range (const TSequence *seq, const RangeType *range, bool atfunc) |
| Restricts the temporal number to the (complement of the) range of base values. More... | |
| int | tnumberseq_restrict_ranges1 (TSequence **result, const TSequence *seq, RangeType **normranges, int count, bool atfunc, bool bboxtest) |
| Restricts the temporal number to the (complement of the) array of ranges of base values. More... | |
| TSequenceSet * | tnumberseq_restrict_ranges (const TSequence *seq, RangeType **normranges, int count, bool atfunc, bool bboxtest) |
| Restricts the temporal number to (the complement of) the array of ranges of base values. More... | |
| TSequenceSet * | tsequence_restrict_minmax (const TSequence *seq, bool min, bool atfunc) |
| Restricts the temporal value to (the complement of) the minimum/maximum base value. More... | |
| TInstant * | tsequence_at_timestamp1 (const TInstant *inst1, const TInstant *inst2, bool linear, TimestampTz t) |
| Restricts the segment of a temporal value to the timestamp. More... | |
| TInstant * | tsequence_at_timestamp (const TSequence *seq, TimestampTz t) |
| Restricts the temporal value to the timestamp. More... | |
| bool | tsequence_value_at_timestamp (const TSequence *seq, TimestampTz t, Datum *result) |
| Returns the base value of the temporal value at the timestamp. More... | |
| bool | tsequence_value_at_timestamp_inc (const TSequence *seq, TimestampTz t, Datum *result) |
| Returns the base value of the temporal value at the timestamp when the timestamp may be at an exclusive bound. More... | |
| const TInstant * | tsequence_inst_at_timestamp_excl (const TSequence *seq, TimestampTz t) |
| Returns the temporal instant at the timestamp for timestamps that are at an exclusive bound. More... | |
| int | tsequence_minus_timestamp1 (TSequence **result, const TSequence *seq, TimestampTz t) |
| Restricts the temporal value to the complement of the timestamp. More... | |
| TSequenceSet * | tsequence_minus_timestamp (const TSequence *seq, TimestampTz t) |
| Restricts the temporal value to the complement of the timestamp. More... | |
| TInstantSet * | tsequence_at_timestampset (const TSequence *seq, const TimestampSet *ts) |
| Restricts the temporal value to the timestamp set. More... | |
| int | tsequence_minus_timestampset1 (TSequence **result, const TSequence *seq, const TimestampSet *ts) |
| Restricts the temporal value to the complement of the timestamp set. More... | |
| TSequenceSet * | tsequence_minus_timestampset (const TSequence *seq, const TimestampSet *ts) |
| Restricts the temporal value to the complement of the timestamp set. More... | |
| TSequence * | tsequence_at_period (const TSequence *seq, const Period *p) |
| Restricts the temporal value to the period. More... | |
| int | tsequence_minus_period1 (TSequence **result, const TSequence *seq, const Period *p) |
| Restricts the temporal value to the complement of the period. More... | |
| TSequenceSet * | tsequence_minus_period (const TSequence *seq, const Period *p) |
| Restricts the temporal value to the complement of the period. More... | |
| int | tsequence_at_periodset (TSequence **result, const TSequence *seq, const PeriodSet *ps) |
| Restricts the temporal value to the period set. More... | |
| int | tsequence_minus_periodset (TSequence **result, const TSequence *seq, const PeriodSet *ps, int from) |
| Restricts the temporal value to the complement of the period set. More... | |
| TSequenceSet * | tsequence_restrict_periodset (const TSequence *seq, const PeriodSet *ps, bool atfunc) |
| Restricts the temporal value to the (complement of the) period set. More... | |
| bool | tsequence_intersects_timestamp (const TSequence *seq, TimestampTz t) |
| Returns true if the temporal value intersects the timestamp. More... | |
| bool | tsequence_intersects_timestampset (const TSequence *seq, const TimestampSet *t) |
| Returns true if the temporal value intersects the timestamp set. More... | |
| bool | tsequence_intersects_period (const TSequence *seq, const Period *p) |
| Returns true if the temporal value intersects the period. More... | |
| bool | tsequence_intersects_periodset (const TSequence *seq, const PeriodSet *ps) |
| Returns true if the temporal value intersects the period set. More... | |
| double | tnumberseq_integral (const TSequence *seq) |
| Returns the integral (area under the curve) of the temporal number. More... | |
| double | tnumberseq_twavg (const TSequence *seq) |
| Returns the time-weighted average of the temporal number. More... | |
| int | tsequence_cmp (const TSequence *seq1, const TSequence *seq2) |
| Returns -1, 0, or 1 depending on whether the first temporal value is less than, equal, or greater than the second one. More... | |
| bool | tsequence_eq (const TSequence *seq1, const TSequence *seq2) |
| Returns true if the two temporal sequence values are equal. More... | |
| uint32 | tsequence_hash (const TSequence *seq) |
| Returns the hash value of the temporal value. More... | |
Detailed Description
Basic functions for temporal sequences.
