-
-
Notifications
You must be signed in to change notification settings - Fork 90
Expand file tree
/
Copy pathDuckDBDataReaderListTests.cs
More file actions
254 lines (205 loc) · 8.54 KB
/
Copy pathDuckDBDataReaderListTests.cs
File metadata and controls
254 lines (205 loc) · 8.54 KB
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
243
244
245
246
247
248
249
250
251
252
253
254
namespace DuckDB.NET.Test;
public class DuckDBDataReaderListTests(DuckDBDatabaseFixture db) : DuckDBTestBase(db)
{
[Fact]
public void ReadListOfIntegers()
{
Command.CommandText = "SELECT [1, 2, 3];";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<int>>(0);
list.Should().BeEquivalentTo(new List<int> { 1, 2, 3 });
}
[Fact]
public void ReadMultipleListOfIntegers()
{
Command.CommandText = "Select * from ( SELECT [1, 2, 3] Union Select [4, 5] Union Select []) order by 1";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<int>>(0);
list.Should().BeEquivalentTo(new List<int>());
reader.Read();
list = reader.GetFieldValue<List<int>>(0);
list.Should().BeEquivalentTo(new List<int> { 1, 2, 3 });
reader.Read();
list = reader.GetFieldValue<List<int>>(0);
list.Should().BeEquivalentTo(new List<int> { 4, 5 });
}
[Fact]
public void ReadListOfIntegersWithNulls()
{
Command.CommandText = "Select * from ( SELECT [1, 2, NULL, 3, NULL] Union Select [NULL, NULL, 4, 5] Union Select null) order by 1";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<int?>>(0);
list.Should().BeEquivalentTo(new List<int?> { 1, 2, null, 3, null });
reader.Read();
reader.Invoking(rd => rd.GetFieldValue<List<int>>(0)).Should().Throw<InvalidCastException>();
reader.Read();
reader.IsDBNull(0).Should().BeTrue();
}
[Fact]
public void ReadMultipleListOfDoubles()
{
Command.CommandText = "Select * from ( SELECT [1/2, 3/2, 5/2] Union Select [4, 5] Union Select []) order by 1";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<double>>(0);
list.Should().BeEquivalentTo(new List<double>());
reader.Read();
list = reader.GetFieldValue<List<double>>(0);
list.Should().BeEquivalentTo(new List<double> { 0.5, 1.5, 2.5 });
reader.Read();
list = reader.GetFieldValue<List<double>>(0);
list.Should().BeEquivalentTo(new List<double> { 4, 5 });
}
[Fact]
public void ReadMultipleListOfFloats()
{
Command.CommandText = "Select * from ( SELECT [1/2::REAL, 3/2::REAL, 5/2::REAL, NULL] Union Select [4::REAL, 5::REAL] Union Select []) order by 1";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<float>>(0);
list.Should().BeEquivalentTo(new List<float>());
reader.Read();
var listWithNull = reader.GetFieldValue<List<float?>>(0);
listWithNull.Should().BeEquivalentTo(new List<float?> { 0.5f, 1.5f, 2.5f, null });
reader.Read();
list = reader.GetFieldValue<List<float>>(0);
list.Should().BeEquivalentTo(new List<float> { 4, 5 });
}
[Fact]
public void ReadMultipleListOfStrings()
{
Command.CommandText = "Select * from ( SELECT ['hello', NULL, 'world'] Union Select ['from DuckDB.Net', 'client'] Union Select []) order by 1";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<string>>(0);
list.Should().BeEquivalentTo(new List<string>());
reader.Read();
list = reader.GetFieldValue<List<string>>(0);
list.Should().BeEquivalentTo(new List<string> { "from DuckDB.Net", "client" });
reader.Read();
list = reader.GetFieldValue<List<string>>(0);
list.Should().BeEquivalentTo(new List<string> { "hello", null, "world" });
}
[Fact]
public void ReadMultipleListOfDecimals()
{
Command.CommandText = "Select * from ( SELECT [1.1, 2.3456, NULL] Union Select [73.56725, 264387.632673487236]) order by 1";
var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<decimal?>>(0);
list.Should().BeEquivalentTo(new List<decimal?> { 1.1m, 2.3456m, null });
reader.Read();
var value = reader.GetValue(0);
value.Should().BeEquivalentTo(new List<decimal?> { 73.56725m, 264387.632673487236m });
reader.Dispose();
Command.CommandText = "SELECT [1.1, 2.34] ";
reader = Command.ExecuteReader();
reader.Read();
list = reader.GetFieldValue<List<decimal?>>(0);
list.Should().BeEquivalentTo(new List<decimal?> { 1.1m, 2.34m });
reader.Dispose();
}
[Fact]
public void ReadListOfTimeStamps()
{
Command.CommandText = "SELECT range(date '1992-01-01', date '1992-08-01', interval '1' month);";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<DateTime>>(0);
list.Should().BeEquivalentTo(Enumerable.Range(0, 7).Select(m => new DateTime(1992, 1, 1).AddMonths(m)));
}
[Fact]
public void ReadListOfDates()
{
Command.CommandText = "SELECT [Date '2002-04-06', Date '2008-10-12']";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<DateTime>>(0);
list.Should().BeEquivalentTo(new List<DateTime> { new(2002, 4, 6), new(2008, 10, 12) });
var dateList = reader.GetFieldValue<List<DateOnly>>(0);
dateList.Should().BeEquivalentTo(new List<DateOnly> { new(2002, 4, 6), new(2008, 10, 12) });
var nullableList = reader.GetFieldValue<List<DateTime?>>(0);
nullableList.Should().BeEquivalentTo(new List<DateTime> { new(2002, 4, 6), new(2008, 10, 12) });
}
[Fact]
public void ReadListOfTimes()
{
Command.CommandText = "SELECT [Time '12:14:16', Time '18:10:12']";
using var reader = Command.ExecuteReader();
reader.Read();
var list = reader.GetFieldValue<List<TimeOnly>>(0);
list.Should().BeEquivalentTo(new List<TimeOnly> { new(12, 14, 16), new(18, 10, 12) });
}
[Fact]
public void ReadListOfTimesWithNull()
{
Command.CommandText = "SELECT [Time '12:14:16', Time '18:10:12', NULL]";
using var reader = Command.ExecuteReader();
reader.Read();
reader.Invoking(r => r.GetFieldValue<List<TimeOnly>>(0)).Should().Throw<InvalidCastException>();
}
[Fact]
public void ReadListWithDapper()
{
Command.CommandText = "CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');";
Command.ExecuteNonQuery();
var person = Connection.QueryFirst<Person>("SELECT [1, 2, 3] as Ids, 'happy' as Mood");
person.Ids.Should().BeEquivalentTo(new List<int> { 1, 2, 3 });
person.Mood.Should().Be(DuckDBDataReaderEnumTests.Mood.Happy);
}
[Fact]
public void ReadListAsEveryNumericType()
{
Command.CommandText = "SELECT [1, 2, 3];";
using var reader = Command.ExecuteReader();
reader.Read();
TestReadValueAs<byte>();
TestReadValueAs<sbyte>();
TestReadValueAs<ushort>();
TestReadValueAs<short>();
TestReadValueAs<uint>();
TestReadValueAs<int>();
TestReadValueAs<ulong>();
TestReadValueAs<long>();
void TestReadValueAs<T>()
{
var list = reader.GetFieldValue<List<T>>(0);
list.Should().BeEquivalentTo(new List<long> { 1, 2, 3 });
}
}
[Fact]
public void ReadListWithLargeValuesAsEveryNumericTypeThrowsException()
{
Command.CommandText = $"SELECT [{long.MaxValue - 1}, {long.MaxValue}];";
using var reader = Command.ExecuteReader();
reader.Read();
TestReadValueAs<byte>();
TestReadValueAs<sbyte>();
TestReadValueAs<ushort>();
TestReadValueAs<short>();
TestReadValueAs<uint>();
TestReadValueAs<int>();
void TestReadValueAs<T>()
{
reader.Invoking(dataReader => dataReader.GetFieldValue<List<T>>(0)).Should().Throw<InvalidCastException>();
}
}
[Fact]
public void GetEmptyListType()
{
Command.CommandText = "CREATE TABLE embeddings(embedding FLOAT[20]);";
Command.ExecuteNonQuery();
Command.CommandText = "SELECT embedding FROM embeddings";
using var reader = Command.ExecuteReader();
var type = reader.GetFieldType(0);
type.Should().Be(typeof(List<float>));
}
class Person
{
public List<int> Ids { get; set; }
public DuckDBDataReaderEnumTests.Mood Mood { get; set; }
}
}