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
|
import pytest
import string
from random import randrange, choice
from psycopg import sql, errors as e
from psycopg.pq import Format
from psycopg.adapt import PyFormat
from psycopg.types.numeric import Int4
from ..utils import eur, gc_collect, gc_count
from ..test_copy import sample_text, sample_binary # noqa
from ..test_copy import ensure_table, sample_records
from ..test_copy import sample_tabledef as sample_tabledef_pg
# CRDB int/serial are int8
sample_tabledef = sample_tabledef_pg.replace("int", "int4").replace("serial", "int4")
pytestmark = pytest.mark.crdb
@pytest.mark.parametrize(
"format, buffer",
[(Format.TEXT, "sample_text"), (Format.BINARY, "sample_binary")],
)
def test_copy_in_buffers(conn, format, buffer):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
copy.write(globals()[buffer])
data = cur.execute("select * from copy_in order by 1").fetchall()
assert data == sample_records
def test_copy_in_buffers_pg_error(conn):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with pytest.raises(e.UniqueViolation):
with cur.copy("copy copy_in from stdin") as copy:
copy.write(sample_text)
copy.write(sample_text)
assert conn.info.transaction_status == conn.TransactionStatus.INERROR
def test_copy_in_str(conn):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with cur.copy("copy copy_in from stdin") as copy:
copy.write(sample_text.decode())
data = cur.execute("select * from copy_in order by 1").fetchall()
assert data == sample_records
@pytest.mark.xfail(reason="bad sqlstate - CRDB #81559")
def test_copy_in_error(conn):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with pytest.raises(e.QueryCanceled):
with cur.copy("copy copy_in from stdin with binary") as copy:
copy.write(sample_text.decode())
assert conn.info.transaction_status == conn.TransactionStatus.INERROR
@pytest.mark.parametrize("format", Format)
def test_copy_in_empty(conn, format):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with cur.copy(f"copy copy_in from stdin {copyopt(format)}"):
pass
assert conn.info.transaction_status == conn.TransactionStatus.INTRANS
assert cur.rowcount == 0
@pytest.mark.slow
def test_copy_big_size_record(conn):
cur = conn.cursor()
ensure_table(cur, "id serial primary key, data text")
data = "".join(chr(randrange(1, 256)) for i in range(10 * 1024 * 1024))
with cur.copy("copy copy_in (data) from stdin") as copy:
copy.write_row([data])
cur.execute("select data from copy_in limit 1")
assert cur.fetchone()[0] == data
@pytest.mark.slow
def test_copy_big_size_block(conn):
cur = conn.cursor()
ensure_table(cur, "id serial primary key, data text")
data = "".join(choice(string.ascii_letters) for i in range(10 * 1024 * 1024))
copy_data = data + "\n"
with cur.copy("copy copy_in (data) from stdin") as copy:
copy.write(copy_data)
cur.execute("select data from copy_in limit 1")
assert cur.fetchone()[0] == data
def test_copy_in_buffers_with_pg_error(conn):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with pytest.raises(e.UniqueViolation):
with cur.copy("copy copy_in from stdin") as copy:
copy.write(sample_text)
copy.write(sample_text)
assert conn.info.transaction_status == conn.TransactionStatus.INERROR
@pytest.mark.parametrize("format", Format)
def test_copy_in_records(conn, format):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
for row in sample_records:
if format == Format.BINARY:
row = tuple(
Int4(i) if isinstance(i, int) else i for i in row
) # type: ignore[assignment]
copy.write_row(row)
data = cur.execute("select * from copy_in order by 1").fetchall()
assert data == sample_records
@pytest.mark.parametrize("format", Format)
def test_copy_in_records_set_types(conn, format):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
copy.set_types(["int4", "int4", "text"])
for row in sample_records:
copy.write_row(row)
data = cur.execute("select * from copy_in order by 1").fetchall()
assert data == sample_records
@pytest.mark.parametrize("format", Format)
def test_copy_in_records_binary(conn, format):
cur = conn.cursor()
ensure_table(cur, "col1 serial primary key, col2 int4, data text")
with cur.copy(f"copy copy_in (col2, data) from stdin {copyopt(format)}") as copy:
for row in sample_records:
copy.write_row((None, row[2]))
data = cur.execute("select col2, data from copy_in order by 2").fetchall()
assert data == [(None, "hello"), (None, "world")]
@pytest.mark.crdb_skip("copy canceled")
def test_copy_in_buffers_with_py_error(conn):
cur = conn.cursor()
ensure_table(cur, sample_tabledef)
with pytest.raises(e.QueryCanceled) as exc:
with cur.copy("copy copy_in from stdin") as copy:
copy.write(sample_text)
raise Exception("nuttengoggenio")
assert "nuttengoggenio" in str(exc.value)
assert conn.info.transaction_status == conn.TransactionStatus.INERROR
def test_copy_in_allchars(conn):
cur = conn.cursor()
ensure_table(cur, "col1 int primary key, col2 int, data text")
with cur.copy("copy copy_in from stdin") as copy:
for i in range(1, 256):
copy.write_row((i, None, chr(i)))
copy.write_row((ord(eur), None, eur))
data = cur.execute(
"""
select col1 = ascii(data), col2 is null, length(data), count(*)
from copy_in group by 1, 2, 3
"""
).fetchall()
assert data == [(True, True, 1, 256)]
@pytest.mark.slow
@pytest.mark.parametrize(
"fmt, set_types",
[(Format.TEXT, True), (Format.TEXT, False), (Format.BINARY, True)],
)
@pytest.mark.crdb_skip("copy array")
def test_copy_from_leaks(conn_cls, dsn, faker, fmt, set_types):
faker.format = PyFormat.from_pq(fmt)
faker.choose_schema(ncols=20)
faker.make_records(20)
def work():
with conn_cls.connect(dsn) as conn:
with conn.cursor(binary=fmt) as cur:
cur.execute(faker.drop_stmt)
cur.execute(faker.create_stmt)
stmt = sql.SQL("copy {} ({}) from stdin {}").format(
faker.table_name,
sql.SQL(", ").join(faker.fields_names),
sql.SQL("with binary" if fmt else ""),
)
with cur.copy(stmt) as copy:
if set_types:
copy.set_types(faker.types_names)
for row in faker.records:
copy.write_row(row)
cur.execute(faker.select_stmt)
recs = cur.fetchall()
for got, want in zip(recs, faker.records):
faker.assert_record(got, want)
gc_collect()
n = []
for i in range(3):
work()
gc_collect()
n.append(gc_count())
assert n[0] == n[1] == n[2], f"objects leaked: {n[1] - n[0]}, {n[2] - n[1]}"
def copyopt(format):
return "with binary" if format == Format.BINARY else ""
|
