本文整理汇总了Python中sqlalchemy.dialects.postgresql.insert方法的典型用法代码示例。如果您正苦于以下问题:Python postgresql.insert方法的具体用法?Python postgresql.insert怎么用?Python postgresql.insert使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sqlalchemy.dialects.postgresql
的用法示例。
在下文中一共展示了postgresql.insert方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: process_entities
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def process_entities(self, tlo: Any) -> None:
rows = self._entities_to_rows(tlo)
if not rows:
return
t = self.Entity.__table__
ins = insert(t)
upsert = ins.on_conflict_do_update(constraint=t.primary_key, set_={
"hash": ins.excluded.hash,
"username": ins.excluded.username,
"phone": ins.excluded.phone,
"name": ins.excluded.name,
})
with self.engine.begin() as conn:
conn.execute(upsert, [dict(session_id=self.session_id, id=row[0], hash=row[1],
username=row[2], phone=row[3], name=row[4])
for row in rows])
示例2: store_scan_doc
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def store_scan_doc(self, scan):
scan = scan.copy()
if 'start' in scan:
scan['start'] = datetime.datetime.utcfromtimestamp(
int(scan['start'])
)
if 'scaninfos' in scan:
scan["scaninfo"] = scan.pop('scaninfos')
scan["sha256"] = utils.decode_hex(scan.pop('_id'))
insrt = insert(self.tables.scanfile).values(
**dict(
(key, scan[key])
for key in ['sha256', 'args', 'scaninfo', 'scanner', 'start',
'version', 'xmloutputversion']
if key in scan
)
)
if config.DEBUG:
scanfileid = self.db.execute(
insrt.returning(self.tables.scanfile.sha256)
).fetchone()[0]
utils.LOGGER.debug("SCAN STORED: %r", utils.encode_hex(scanfileid))
else:
self.db.execute(insrt)
示例3: set_show
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def set_show(self, string_id):
"""
Set current show.
"""
shows = self.metadata.tables["shows"]
with self.engine.begin() as conn:
# need to update to get the `id`
query = insert(shows).returning(shows.c.id)
query = query.on_conflict_do_update(
index_elements=[shows.c.string_id],
set_={
'string_id': query.excluded.string_id,
},
)
self.show_id, = conn.execute(query, {
"name": string_id,
"string_id": string_id,
}).first()
示例4: update_fact_notification_status
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def update_fact_notification_status(data, process_day, notification_type):
table = FactNotificationStatus.__table__
FactNotificationStatus.query.filter(
FactNotificationStatus.bst_date == process_day,
FactNotificationStatus.notification_type == notification_type
).delete()
for row in data:
stmt = insert(table).values(
bst_date=process_day,
template_id=row.template_id,
service_id=row.service_id,
job_id=row.job_id,
notification_type=notification_type,
key_type=row.key_type,
notification_status=row.status,
notification_count=row.notification_count,
)
db.session.connection().execute(stmt)
示例5: _insert_inbound_sms_history
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def _insert_inbound_sms_history(subquery, query_limit=10000):
offset = 0
inbound_sms_query = db.session.query(
*[x.name for x in InboundSmsHistory.__table__.c]
).filter(InboundSms.id.in_(subquery))
inbound_sms_count = inbound_sms_query.count()
while offset < inbound_sms_count:
statement = insert(InboundSmsHistory).from_select(
InboundSmsHistory.__table__.c,
inbound_sms_query.limit(query_limit).offset(offset)
)
statement = statement.on_conflict_do_nothing(
constraint="inbound_sms_history_pkey"
)
db.session.connection().execute(statement)
offset += query_limit
示例6: insert_or_update_returned_letters
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def insert_or_update_returned_letters(references):
data = _get_notification_ids_for_references(references)
for row in data:
table = ReturnedLetter.__table__
stmt = insert(table).values(
reported_at=datetime.utcnow().date(),
service_id=row.service_id,
notification_id=row.id,
created_at=datetime.utcnow()
)
stmt = stmt.on_conflict_do_update(
index_elements=[table.c.notification_id],
set_={
'reported_at': datetime.utcnow().date(),
'updated_at': datetime.utcnow()
}
)
db.session.connection().execute(stmt)
示例7: dao_create_or_update_daily_sorted_letter
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def dao_create_or_update_daily_sorted_letter(new_daily_sorted_letter):
'''
This uses the Postgres upsert to avoid race conditions when two threads try and insert
at the same row. The excluded object refers to values that we tried to insert but were
rejected.
http://docs.sqlalchemy.org/en/latest/dialects/postgresql.html#insert-on-conflict-upsert
'''
table = DailySortedLetter.__table__
stmt = insert(table).values(
billing_day=new_daily_sorted_letter.billing_day,
file_name=new_daily_sorted_letter.file_name,
unsorted_count=new_daily_sorted_letter.unsorted_count,
sorted_count=new_daily_sorted_letter.sorted_count)
stmt = stmt.on_conflict_do_update(
index_elements=[table.c.billing_day, table.c.file_name],
set_={
'unsorted_count': stmt.excluded.unsorted_count,
'sorted_count': stmt.excluded.sorted_count,
'updated_at': datetime.utcnow()
}
)
db.session.connection().execute(stmt)
示例8: batch_upsert_records
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def batch_upsert_records(
session: Session, table: Table, records: List[Dict[str, Any]]
) -> None:
"""Batch upsert records into postgresql database."""
if not records:
return
for record_batch in _batch_postgres_query(table, records):
stmt = insert(table.__table__)
stmt = stmt.on_conflict_do_update(
constraint=table.__table__.primary_key,
set_={
"keys": stmt.excluded.get("keys"),
"values": stmt.excluded.get("values"),
},
)
session.execute(stmt, record_batch)
session.commit()
示例9: __init__
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def __init__(self, db):
self.db = db
self.invalidated_pageids = set()
wspc_sync = self.db.ws_parser_cache_sync
wspc_sync_ins = insert(wspc_sync)
self.sql_inserts = {
"templatelinks": self.db.templatelinks.insert(),
"pagelinks": self.db.pagelinks.insert(),
"imagelinks": self.db.imagelinks.insert(),
"categorylinks": self.db.categorylinks.insert(),
"langlinks": self.db.langlinks.insert(),
"iwlinks": self.db.iwlinks.insert(),
"externallinks": self.db.externallinks.insert(),
"redirect": self.db.redirect.insert(),
"section": self.db.section.insert(),
"ws_parser_cache_sync":
wspc_sync_ins.on_conflict_do_update(
constraint=wspc_sync.primary_key,
set_={"wspc_rev_id": wspc_sync_ins.excluded.wspc_rev_id}
)
}
示例10: _set_sync_timestamp
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def _set_sync_timestamp(self, timestamp, conn=None):
"""
Set a last-sync timestamp for the grabber. Writes into the custom
``ws_sync`` table.
:param datetime.datetime timestamp: the new timestamp
:param conn: an existing :py:obj:`sqlalchemy.engine.Connection` or
:py:obj:`sqlalchemy.engine.Transaction` object to be re-used for
execution of the SQL query
"""
ws_sync = self.db.ws_sync
ins = insert(ws_sync)
ins = ins.on_conflict_do_update(
constraint=ws_sync.primary_key,
set_={"wss_timestamp": ins.excluded.wss_timestamp}
)
entry = {
"wss_key": self.__class__.__name__,
"wss_timestamp": timestamp,
}
if conn is None:
conn = self.db.engine.connect()
conn.execute(ins, entry)
示例11: create_upsert_postgres
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def create_upsert_postgres(table, record):
"""Creates a statement for inserting the passed record to the passed
table; if the record already exists, the existing record will be updated.
This uses PostgreSQL `on_conflict_do_update` (hence upsert), and that
why the returned statement is just valid for PostgreSQL tables. Refer to
this `SqlAlchemy PostgreSQL documentation`_ for more information.
The created statement is not executed by this function.
Args:
table (sqlalchemy.sql.schema.Table): database table metadata.
record (dict): a data record, corresponding to one row, to be inserted.
Returns:
sqlalchemy.sql.dml.Insert: a statement for inserting the passed
record to the specified table.
.. _SqlAlchemy PostgreSQL documentation:
https://docs.sqlalchemy.org/en/latest/dialects/postgresql.html#insert-on-conflict-upsert
"""
insert_stmt = postgres_insert(table).values(record)
return insert_stmt.on_conflict_do_update(
index_elements=[col for col in table.primary_key],
set_=record
)
示例12: test_bad_args
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def test_bad_args(self):
assert_raises(
ValueError,
insert(self.tables.users).on_conflict_do_nothing,
constraint="id",
index_elements=["id"],
)
assert_raises(
ValueError,
insert(self.tables.users).on_conflict_do_update,
constraint="id",
index_elements=["id"],
)
assert_raises(
ValueError,
insert(self.tables.users).on_conflict_do_update,
constraint="id",
)
assert_raises(
ValueError, insert(self.tables.users).on_conflict_do_update
)
示例13: test_on_conflict_do_nothing
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def test_on_conflict_do_nothing(self):
users = self.tables.users
with testing.db.connect() as conn:
result = conn.execute(
insert(users).on_conflict_do_nothing(),
dict(id=1, name="name1"),
)
eq_(result.inserted_primary_key, (1,))
eq_(result.returned_defaults, None)
result = conn.execute(
insert(users).on_conflict_do_nothing(),
dict(id=1, name="name2"),
)
eq_(result.inserted_primary_key, (1,))
eq_(result.returned_defaults, None)
eq_(
conn.execute(users.select().where(users.c.id == 1)).fetchall(),
[(1, "name1")],
)
示例14: test_on_conflict_do_nothing_connectionless
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def test_on_conflict_do_nothing_connectionless(self, connection):
users = self.tables.users_xtra
result = connection.execute(
insert(users).on_conflict_do_nothing(constraint="uq_login_email"),
dict(name="name1", login_email="email1"),
)
eq_(result.inserted_primary_key, (1,))
eq_(result.returned_defaults, (1,))
result = connection.execute(
insert(users).on_conflict_do_nothing(constraint="uq_login_email"),
dict(name="name2", login_email="email1"),
)
eq_(result.inserted_primary_key, None)
eq_(result.returned_defaults, None)
eq_(
connection.execute(
users.select().where(users.c.id == 1)
).fetchall(),
[(1, "name1", "email1", None)],
)
示例15: test_on_conflict_do_update_one
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import insert [as 别名]
def test_on_conflict_do_update_one(self):
users = self.tables.users
with testing.db.connect() as conn:
conn.execute(users.insert(), dict(id=1, name="name1"))
i = insert(users)
i = i.on_conflict_do_update(
index_elements=[users.c.id], set_=dict(name=i.excluded.name)
)
result = conn.execute(i, dict(id=1, name="name1"))
eq_(result.inserted_primary_key, (1,))
eq_(result.returned_defaults, None)
eq_(
conn.execute(users.select().where(users.c.id == 1)).fetchall(),
[(1, "name1")],
)