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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
# ------------------------------------------------------------------------------
#
# Project: pygeofilter <https://github.com/geopython/pygeofilter>
# Authors: Fabian Schindler <fabian.schindler@eox.at>
#
# ------------------------------------------------------------------------------
# Copyright (C) 2021 EOX IT Services GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies of this Software or works derived from this Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# ------------------------------------------------------------------------------
import pytest
from osgeo import ogr
from pygeofilter.backends.sql import to_sql_where
from pygeofilter.parsers.ecql import parse
ogr.UseExceptions()
@pytest.fixture
def data():
driver = ogr.GetDriverByName("MEMORY")
source = driver.CreateDataSource("data")
layer = source.CreateLayer("layer")
id_attr = ogr.FieldDefn("id", ogr.OFTInteger)
layer.CreateField(id_attr)
str_attr = ogr.FieldDefn("str_attr", ogr.OFTString)
layer.CreateField(str_attr)
maybe_str_attr = ogr.FieldDefn("maybe_str_attr", ogr.OFTString)
layer.CreateField(maybe_str_attr)
int_attr = ogr.FieldDefn("int_attr", ogr.OFTInteger)
layer.CreateField(int_attr)
float_attr = ogr.FieldDefn("float_attr", ogr.OFTReal)
layer.CreateField(float_attr)
date_attr = ogr.FieldDefn("date_attr", ogr.OFTDate)
layer.CreateField(date_attr)
datetime_attr = ogr.FieldDefn("datetime_attr", ogr.OFTDateTime)
layer.CreateField(datetime_attr)
feature_def = layer.GetLayerDefn()
feature = ogr.Feature(feature_def)
feature.SetGeometry(ogr.CreateGeometryFromWkt("POINT (1 1)"))
feature.SetField("id", 0)
feature.SetField("str_attr", "this is a test")
feature.SetField("maybe_str_attr", None)
feature.SetField("int_attr", 5)
feature.SetField("float_attr", 5.5)
feature.SetField("date_attr", "2010-01-01")
feature.SetField("datetime_attr", "2010-01-01T00:00:00Z")
layer.CreateFeature(feature)
feature = None
feature_def = layer.GetLayerDefn()
feature = ogr.Feature(feature_def)
feature.SetGeometry(ogr.CreateGeometryFromWkt("POINT (2 2)"))
feature.SetField("id", 1)
feature.SetField("str_attr", "this is another test")
feature.SetField("maybe_str_attr", "not null")
feature.SetField("int_attr", 8)
feature.SetField("float_attr", 8.5)
feature.SetField("date_attr", "2010-01-10")
feature.SetField("datetime_attr", "2010-10-01T00:00:00Z")
layer.CreateFeature(feature)
feature = None
return source
FIELD_MAPPING = {
"str_attr": "str_attr",
"maybe_str_attr": "maybe_str_attr",
"int_attr": "int_attr",
"float_attr": "float_attr",
"date_attr": "date_attr",
"datetime_attr": "datetime_attr",
"point_attr": "GEOMETRY",
}
FUNCTION_MAP = {"sin": "sin"}
def filter_(ast, data):
where = to_sql_where(ast, FIELD_MAPPING, FUNCTION_MAP)
return data.ExecuteSQL(
f"""
SELECT id, str_attr, maybe_str_attr, int_attr, float_attr,
date_attr, datetime_attr, GEOMETRY
FROM layer
WHERE {where}
""",
None,
"SQLite",
)
def test_comparison(data):
result = filter_(parse("int_attr = 5"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr < 6"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr > 6"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
result = filter_(parse("int_attr <= 5"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr >= 8"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
result = filter_(parse("int_attr <> 5"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
def test_combination(data):
result = filter_(parse("int_attr = 5 AND float_attr < 6.0"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr = 5 AND float_attr < 6.0"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
def test_between(data):
result = filter_(parse("float_attr BETWEEN 4 AND 6"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr NOT BETWEEN 4 AND 6"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
def test_like(data):
result = filter_(parse("str_attr LIKE 'this is . test'"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("str_attr LIKE 'this is % test'"), data)
assert result.GetFeatureCount() == 2
result = filter_(parse("str_attr NOT LIKE '% another test'"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("str_attr NOT LIKE 'this is . test'"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
result = filter_(parse("str_attr ILIKE 'THIS IS . TEST'"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("str_attr ILIKE 'THIS IS % TEST'"), data)
assert result.GetFeatureCount() == 2
def test_in(data):
result = filter_(parse("int_attr IN ( 1, 2, 3, 4, 5 )"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("int_attr NOT IN ( 1, 2, 3, 4, 5 )"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
def test_null(data):
result = filter_(parse("maybe_str_attr IS NULL"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(parse("maybe_str_attr IS NOT NULL"), data)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
# TODO: possible?
# def test_has_attr(data):
# result = filter_(parse('extra_attr EXISTS'), data)
# assert len(result) == 1 and result[0] is data[0]
# result = filter_(parse('extra_attr DOES-NOT-EXIST'), data)
# assert len(result) == 1 and result[0] is data[1]
# def test_temporal(data):
# result = filter_(
# parse('date_attr BEFORE 2010-01-08T00:00:00.00Z'),
# data
# )
# assert len(result) == 1 and result.index[0] == 0
# result = filter_(
# parse('date_attr AFTER 2010-01-08T00:00:00.00+01:00'),
# data
# )
# assert len(result) == 1 and result.index[0] == 1
def test_spatial(data):
result = filter_(
parse("INTERSECTS(point_attr, ENVELOPE (0 1 0 1))"),
data,
)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
result = filter_(
parse("EQUALS(point_attr, POINT(2 2))"),
data,
)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 1
def test_arithmetic(data):
result = filter_(
parse("int_attr = float_attr - 0.5"),
data,
)
assert result.GetFeatureCount() == 2
result = filter_(
parse("int_attr = 5 + 20 / 2 - 10"),
data,
)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
def test_function(data):
result = filter_(
parse("sin(float_attr) BETWEEN -0.75 AND -0.70"),
data,
)
assert result.GetFeatureCount() == 1 and result.GetFeature(0).GetField(0) == 0
|
