Mercurial > libervia-backend

annotate sat/memory/migration/versions/79e5f3313fa4_create_table_for_pubsub_subscriptions.py @ 3914:4cb38c8312a1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin XEP-0384, xml_tools: avoid `getItems` timeout + fix empty node crash + parsing: - use `max_items` in `getItems` calls for bundles, as otherwise some pubsub service may return full nodes, which may be huge is `max_items=1` is not set on the node, possibly resulting in timeouts. - the plugin was crashing when TWOMEMO devices list node has no items at all. This is not the case anymore. - a naive parsing method has been implemented in `xml_tools` to replace the serialisation/deserialisation method. This should be more efficient and will avoid annoying `ns0:` prefixes in XML logs.
author Goffi <goffi@goffi.org>
date Sat, 24 Sep 2022 16:37:46 +0200
parents 658ddbabaf36
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3744
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
1 """create table for pubsub subscriptions
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
2
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
3 Revision ID: 79e5f3313fa4
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
4 Revises: 129ac51807e4
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
5 Create Date: 2022-03-14 17:15:00.689871
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
6
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
7 """
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
8 from alembic import op
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
9 import sqlalchemy as sa
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
10 from sat.memory.sqla_mapping import JID
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
11
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
12
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # revision identifiers, used by Alembic.
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
14 revision = '79e5f3313fa4'
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
15 down_revision = '129ac51807e4'
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
16 branch_labels = None
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
17 depends_on = None
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
18
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
19
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
20 def upgrade():
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
21 op.create_table('pubsub_subs',
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
22 sa.Column('id', sa.Integer(), nullable=False),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
23 sa.Column('node_id', sa.Integer(), nullable=False),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
24 sa.Column('subscriber', JID(), nullable=True),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
25 sa.Column('state', sa.Enum('SUBSCRIBED', 'PENDING', name='state'), nullable=True),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
26 sa.ForeignKeyConstraint(['node_id'], ['pubsub_nodes.id'], name=op.f('fk_pubsub_subs_node_id_pubsub_nodes'), ondelete='CASCADE'),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
27 sa.PrimaryKeyConstraint('id', name=op.f('pk_pubsub_subs')),
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
28 sa.UniqueConstraint('node_id', 'subscriber', name=op.f('uq_pubsub_subs_node_id'))
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
29 )
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
30
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
31
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
32 def downgrade():
658ddbabaf36 core (memory/sqla): new table/mapping to handle Pubsub node subscriptions:
Goffi <goffi@goffi.org>
parents:
diff changeset
33 op.drop_table('pubsub_subs')