MobilityDB  1.0
temporal_aggfuncs.h
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30 
36 #ifndef __TEMPORAL_AGGFUNCS_H__
37 #define __TEMPORAL_AGGFUNCS_H__
38 
39 #include <postgres.h>
40 #include <catalog/pg_type.h>
41 
42 #include "skiplist.h"
43 #include "temporal.h"
44 #include "temporal_util.h"
45 
46 /*****************************************************************************/
47 
48 extern Datum datum_min_int32(Datum l, Datum r);
49 extern Datum datum_max_int32(Datum l, Datum r);
50 extern Datum datum_min_float8(Datum l, Datum r);
51 extern Datum datum_max_float8(Datum l, Datum r);
52 extern Datum datum_sum_float8(Datum l, Datum r);
53 extern Datum datum_min_text(Datum l, Datum r);
54 extern Datum datum_max_text(Datum l, Datum r);
55 extern Datum datum_sum_double2(Datum l, Datum r);
56 extern Datum datum_sum_double3(Datum l, Datum r);
57 extern Datum datum_sum_double4(Datum l, Datum r);
58 
59 extern void ensure_same_temp_subtype_skiplist(SkipList *state, int16 subtype,
60  Temporal *temp);
61 extern SkipList *tsequence_tagg_transfn(FunctionCallInfo fcinfo, SkipList *state,
62  TSequence *seq, datum_func2 func, bool interpoint);
63 extern SkipList *temporal_tagg_combinefn1(FunctionCallInfo fcinfo, SkipList *state1,
64  SkipList *state2, datum_func2 func, bool crossings);
65 
66 /*****************************************************************************/
67 
68 extern Datum temporal_extent_transfn(PG_FUNCTION_ARGS);
69 extern Datum temporal_extent_combinefn(PG_FUNCTION_ARGS);
70 extern Datum tnumber_extent_transfn(PG_FUNCTION_ARGS);
71 extern Datum tnumber_extent_combinefn(PG_FUNCTION_ARGS);
72 
73 extern Datum tbool_tand_transfn(PG_FUNCTION_ARGS);
74 extern Datum tbool_tand_combinefn(PG_FUNCTION_ARGS);
75 extern Datum tbool_tor_transfn(PG_FUNCTION_ARGS);
76 extern Datum tbool_tor_combinefn(PG_FUNCTION_ARGS);
77 extern Datum tint_tmin_transfn(PG_FUNCTION_ARGS);
78 extern Datum tint_tmin_combinefn(PG_FUNCTION_ARGS);
79 extern Datum tfloat_tmin_transfn(PG_FUNCTION_ARGS);
80 extern Datum tfloat_tmin_combinefn(PG_FUNCTION_ARGS);
81 extern Datum tint_tmax_transfn(PG_FUNCTION_ARGS);
82 extern Datum tint_tmax_combinefn(PG_FUNCTION_ARGS);
83 extern Datum tfloat_tmax_transfn(PG_FUNCTION_ARGS);
84 extern Datum tfloat_tmax_combinefn(PG_FUNCTION_ARGS);
85 extern Datum tint_tsum_transfn(PG_FUNCTION_ARGS);
86 extern Datum tint_tsum_combinefn(PG_FUNCTION_ARGS);
87 extern Datum tfloat_tsum_transfn(PG_FUNCTION_ARGS);
88 extern Datum tfloat_tsum_combinefn(PG_FUNCTION_ARGS);
89 extern Datum temporal_tcount_transfn(PG_FUNCTION_ARGS);
90 extern Datum temporal_tcount_combinefn(PG_FUNCTION_ARGS);
91 extern Datum tnumber_tavg_transfn(PG_FUNCTION_ARGS);
92 extern Datum tnumber_tavg_combinefn(PG_FUNCTION_ARGS);
93 extern Datum temporal_tagg_finalfn(PG_FUNCTION_ARGS);
94 extern Datum tnumber_tavg_finalfn(PG_FUNCTION_ARGS);
95 extern Datum ttext_tmin_transfn(PG_FUNCTION_ARGS);
96 extern Datum ttext_tmin_combinefn(PG_FUNCTION_ARGS);
97 extern Datum ttext_tmax_transfn(PG_FUNCTION_ARGS);
98 extern Datum ttext_tmax_combinefn(PG_FUNCTION_ARGS);
99 
100 /*****************************************************************************/
101 
102 #endif
tint_tmax_transfn
Datum tint_tmax_transfn(PG_FUNCTION_ARGS)
Transition function for temporal maximum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1185
tfloat_tmax_combinefn
Datum tfloat_tmax_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal maximum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1215
ttext_tmax_transfn
Datum ttext_tmax_transfn(PG_FUNCTION_ARGS)
Transition function for temporal maximum aggregation of temporal text values.
Definition: temporal_aggfuncs.c:1287
datum_sum_double2
Datum datum_sum_double2(Datum l, Datum r)
Returns the sum of the two arguments.
Definition: temporal_aggfuncs.c:135
skiplist.h
Skiplist data structure used for performing aggregates.
datum_min_float8
Datum datum_min_float8(Datum l, Datum r)
Returns the minimum value of the two arguments.
Definition: temporal_aggfuncs.c:90
ttext_tmax_combinefn
Datum ttext_tmax_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal maximum aggregation of temporal text values.
Definition: temporal_aggfuncs.c:1297
tnumber_extent_transfn
Datum tnumber_extent_transfn(PG_FUNCTION_ARGS)
Transition function for temporal extent aggregation for temporal numbers.
Definition: temporal_aggfuncs.c:1042
datum_max_int32
Datum datum_max_int32(Datum l, Datum r)
Returns the maximum value of the two arguments.
Definition: temporal_aggfuncs.c:81
Temporal
Structure to represent the common structure of temporal values of any temporal subtype.
Definition: temporal.h:241
tfloat_tmin_transfn
Datum tfloat_tmin_transfn(PG_FUNCTION_ARGS)
Transition function for temporal minimum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1165
datum_min_int32
Datum datum_min_int32(Datum l, Datum r)
Returns the minimum value of the two arguments.
Definition: temporal_aggfuncs.c:72
tbool_tor_transfn
Datum tbool_tor_transfn(PG_FUNCTION_ARGS)
Transition function for temporal or aggregation of temporal boolean values.
Definition: temporal_aggfuncs.c:1123
tint_tmin_combinefn
Datum tint_tmin_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal minimum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1155
tfloat_tsum_transfn
Datum tfloat_tsum_transfn(PG_FUNCTION_ARGS)
Transition function for temporal sum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1245
tnumber_tavg_transfn
Datum tnumber_tavg_transfn(PG_FUNCTION_ARGS)
Transition function for temporal average aggregation.
Definition: temporal_aggfuncs.c:1326
temporal.h
Basic functions for temporal types of any subtype.
temporal_tcount_combinefn
Datum temporal_tcount_combinefn(PG_FUNCTION_ARGS)
Generic combine function for temporal aggregation.
Definition: temporal_aggfuncs.c:967
temporal_tagg_finalfn
Datum temporal_tagg_finalfn(PG_FUNCTION_ARGS)
Generic final function for temporal aggregation.
Definition: temporal_aggfuncs.c:662
SkipList
Structure to represent skiplists that keep the current state of an aggregation.
Definition: skiplist.h:77
datum_max_text
Datum datum_max_text(Datum l, Datum r)
Returns the maximum value of the two arguments.
Definition: temporal_aggfuncs.c:117
tnumber_tavg_combinefn
Datum tnumber_tavg_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal average aggregation.
Definition: temporal_aggfuncs.c:1337
temporal_tcount_transfn
Datum temporal_tcount_transfn(PG_FUNCTION_ARGS)
Generic transition function for temporal aggregation.
Definition: temporal_aggfuncs.c:932
tfloat_tmax_transfn
Datum tfloat_tmax_transfn(PG_FUNCTION_ARGS)
Transition function for temporal maximum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1205
tfloat_tmin_combinefn
Datum tfloat_tmin_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal minimum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1175
tint_tmax_combinefn
Datum tint_tmax_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal maximum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1195
tnumber_extent_combinefn
Datum tnumber_extent_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal extent aggregation for temporal numbers.
Definition: temporal_aggfuncs.c:1076
tint_tsum_combinefn
Datum tint_tsum_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal sum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1235
datum_sum_double3
Datum datum_sum_double3(Datum l, Datum r)
Returns the sum of the two arguments.
Definition: temporal_aggfuncs.c:145
temporal_util.h
datum_sum_double4
Datum datum_sum_double4(Datum l, Datum r)
Returns the sum of the two arguments.
Definition: temporal_aggfuncs.c:155
datum_max_float8
Datum datum_max_float8(Datum l, Datum r)
Returns the maximum value of the two arguments.
Definition: temporal_aggfuncs.c:99
tbool_tand_combinefn
Datum tbool_tand_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal and aggregation of temporal boolean values.
Definition: temporal_aggfuncs.c:1113
datum_func2
Datum(* datum_func2)(Datum, Datum)
Definition: temporal.h:358
tsequence_tagg_transfn
SkipList * tsequence_tagg_transfn(FunctionCallInfo fcinfo, SkipList *state, TSequence *seq, datum_func2 func, bool interpoint)
Generic transition function for aggregating temporal values of sequence subtype.
Definition: temporal_aggfuncs.c:520
ttext_tmin_combinefn
Datum ttext_tmin_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal minimum aggregation of temporal text values.
Definition: temporal_aggfuncs.c:1277
datum_min_text
Datum datum_min_text(Datum l, Datum r)
Returns the minimum value of the two arguments.
Definition: temporal_aggfuncs.c:108
tint_tmin_transfn
Datum tint_tmin_transfn(PG_FUNCTION_ARGS)
Transition function for temporal minimum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1145
ttext_tmin_transfn
Datum ttext_tmin_transfn(PG_FUNCTION_ARGS)
Transition function for temporal minimum aggregation of temporal text values.
Definition: temporal_aggfuncs.c:1267
tbool_tor_combinefn
Datum tbool_tor_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal or aggregation of temporal boolean values.
Definition: temporal_aggfuncs.c:1133
datum_sum_float8
Datum datum_sum_float8(Datum l, Datum r)
Returns the sum of the two arguments.
Definition: temporal_aggfuncs.c:126
temporal_extent_transfn
Datum temporal_extent_transfn(PG_FUNCTION_ARGS)
Transition function for temporal extent aggregation of temporal values with period bounding box...
Definition: temporal_aggfuncs.c:982
temporal_tagg_combinefn1
SkipList * temporal_tagg_combinefn1(FunctionCallInfo fcinfo, SkipList *state1, SkipList *state2, datum_func2 func, bool crossings)
Generic combine function for aggregating temporal values.
Definition: temporal_aggfuncs.c:617
tbool_tand_transfn
Datum tbool_tand_transfn(PG_FUNCTION_ARGS)
Transition function for temporal and aggregation of temporal boolean values.
Definition: temporal_aggfuncs.c:1103
ensure_same_temp_subtype_skiplist
void ensure_same_temp_subtype_skiplist(SkipList *state, int16 subtype, Temporal *temp)
Definition: temporal_aggfuncs.c:442
tfloat_tsum_combinefn
Datum tfloat_tsum_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal sum aggregation of temporal float values.
Definition: temporal_aggfuncs.c:1255
TSequence
Structure to represent temporal values of sequence subtype.
Definition: temporal.h:279
temporal_extent_combinefn
Datum temporal_extent_combinefn(PG_FUNCTION_ARGS)
Combine function for temporal extent aggregation.
Definition: temporal_aggfuncs.c:1019
tnumber_tavg_finalfn
Datum tnumber_tavg_finalfn(PG_FUNCTION_ARGS)
Final function for temporal average aggregation.
Definition: temporal_aggfuncs.c:1393
tint_tsum_transfn
Datum tint_tsum_transfn(PG_FUNCTION_ARGS)
Transition function for temporal sum aggregation of temporal integer values.
Definition: temporal_aggfuncs.c:1225
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