1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
--
-- aggregate function components for stdev(internal, agtype)
-- and stdevp(internal, agtype)
--
-- wrapper for the stdev final function to pass 0 instead of null
CREATE FUNCTION ag_catalog.age_float8_stddev_samp_aggfinalfn(_float8)
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- wrapper for the float8_accum to use agtype input
CREATE FUNCTION ag_catalog.age_agtype_float8_accum(_float8, agtype)
RETURNS _float8
LANGUAGE c
IMMUTABLE
STRICT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for age_stdev(agtype)
CREATE AGGREGATE ag_catalog.age_stdev(agtype)
(
stype = _float8,
sfunc = ag_catalog.age_agtype_float8_accum,
finalfunc = ag_catalog.age_float8_stddev_samp_aggfinalfn,
combinefunc = float8_combine,
finalfunc_modify = read_only,
initcond = '{0,0,0}',
parallel = safe
);
-- wrapper for the stdevp final function to pass 0 instead of null
CREATE FUNCTION ag_catalog.age_float8_stddev_pop_aggfinalfn(_float8)
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for age_stdevp(agtype)
CREATE AGGREGATE ag_catalog.age_stdevp(agtype)
(
stype = _float8,
sfunc = age_agtype_float8_accum,
finalfunc = ag_catalog.age_float8_stddev_pop_aggfinalfn,
combinefunc = float8_combine,
finalfunc_modify = read_only,
initcond = '{0,0,0}',
parallel = safe
);
--
-- aggregate function components for avg(agtype) and sum(agtype)
--
-- aggregate definition for avg(agytpe)
CREATE AGGREGATE ag_catalog.age_avg(agtype)
(
stype = _float8,
sfunc = ag_catalog.age_agtype_float8_accum,
finalfunc = float8_avg,
combinefunc = float8_combine,
finalfunc_modify = read_only,
initcond = '{0,0,0}',
parallel = safe
);
-- sum aggtransfn
CREATE FUNCTION ag_catalog.age_agtype_sum(agtype, agtype)
RETURNS agtype
LANGUAGE c
IMMUTABLE
STRICT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for sum(agytpe)
CREATE AGGREGATE ag_catalog.age_sum(agtype)
(
stype = agtype,
sfunc = ag_catalog.age_agtype_sum,
combinefunc = ag_catalog.age_agtype_sum,
finalfunc_modify = read_only,
parallel = safe
);
--
-- aggregate functions for min(variadic "any") and max(variadic "any")
--
-- max transfer function
CREATE FUNCTION ag_catalog.age_agtype_larger_aggtransfn(agtype, variadic "any")
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for max(variadic "any")
CREATE AGGREGATE ag_catalog.age_max(variadic "any")
(
stype = agtype,
sfunc = ag_catalog.age_agtype_larger_aggtransfn,
combinefunc = ag_catalog.age_agtype_larger_aggtransfn,
finalfunc_modify = read_only,
parallel = safe
);
-- min transfer function
CREATE FUNCTION ag_catalog.age_agtype_smaller_aggtransfn(agtype, variadic "any")
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for min(variadic "any")
CREATE AGGREGATE ag_catalog.age_min(variadic "any")
(
stype = agtype,
sfunc = ag_catalog.age_agtype_smaller_aggtransfn,
combinefunc = ag_catalog.age_agtype_smaller_aggtransfn,
finalfunc_modify = read_only,
parallel = safe
);
--
-- aggregate functions percentileCont(internal, agtype) and
-- percentileDisc(internal, agtype)
--
-- percentile transfer function
CREATE FUNCTION ag_catalog.age_percentile_aggtransfn(internal, agtype, agtype)
RETURNS internal
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- percentile_cont final function
CREATE FUNCTION ag_catalog.age_percentile_cont_aggfinalfn(internal)
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- percentile_disc final function
CREATE FUNCTION ag_catalog.age_percentile_disc_aggfinalfn(internal)
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for _percentilecont(agtype, agytpe)
CREATE AGGREGATE ag_catalog.age_percentilecont(agtype, agtype)
(
stype = internal,
sfunc = ag_catalog.age_percentile_aggtransfn,
finalfunc = ag_catalog.age_percentile_cont_aggfinalfn,
parallel = safe
);
-- aggregate definition for percentiledisc(agtype, agytpe)
CREATE AGGREGATE ag_catalog.age_percentiledisc(agtype, agtype)
(
stype = internal,
sfunc = ag_catalog.age_percentile_aggtransfn,
finalfunc = ag_catalog.age_percentile_disc_aggfinalfn,
parallel = safe
);
--
-- aggregate functions for collect(variadic "any")
--
-- collect transfer function
CREATE FUNCTION ag_catalog.age_collect_aggtransfn(internal, variadic "any")
RETURNS internal
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- collect final function
CREATE FUNCTION ag_catalog.age_collect_aggfinalfn(internal)
RETURNS agtype
LANGUAGE c
IMMUTABLE
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- aggregate definition for age_collect(variadic "any")
CREATE AGGREGATE ag_catalog.age_collect(variadic "any")
(
stype = internal,
sfunc = ag_catalog.age_collect_aggtransfn,
finalfunc = ag_catalog.age_collect_aggfinalfn,
parallel = safe
);
|
