Mercurial > libervia-backend
annotate libervia/backend/memory/migration/versions/79e5f3313fa4_create_table_for_pubsub_subscriptions.py @ 4304:92a886f31581 default tip @
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author | Goffi <goffi@goffi.org> |
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date | Fri, 06 Sep 2024 18:07:44 +0200 |
parents | 0d7bb4df2343 |
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1 """create table for pubsub subscriptions |
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2 |
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3 Revision ID: 79e5f3313fa4 |
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4 Revises: 129ac51807e4 |
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5 Create Date: 2022-03-14 17:15:00.689871 |
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6 |
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7 """ |
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8 |
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9 from alembic import op |
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10 import sqlalchemy as sa |
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11 from libervia.backend.memory.sqla_mapping import JID |
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12 |
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13 |
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14 # revision identifiers, used by Alembic. |
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15 revision = "79e5f3313fa4" |
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16 down_revision = "129ac51807e4" |
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17 branch_labels = None |
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18 depends_on = None |
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19 |
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20 |
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21 def upgrade(): |
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22 op.create_table( |
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23 "pubsub_subs", |
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24 sa.Column("id", sa.Integer(), nullable=False), |
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25 sa.Column("node_id", sa.Integer(), nullable=False), |
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26 sa.Column("subscriber", JID(), nullable=True), |
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27 sa.Column("state", sa.Enum("SUBSCRIBED", "PENDING", name="state"), nullable=True), |
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28 sa.ForeignKeyConstraint( |
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29 ["node_id"], |
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30 ["pubsub_nodes.id"], |
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31 name=op.f("fk_pubsub_subs_node_id_pubsub_nodes"), |
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32 ondelete="CASCADE", |
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33 ), |
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34 sa.PrimaryKeyConstraint("id", name=op.f("pk_pubsub_subs")), |
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35 sa.UniqueConstraint("node_id", "subscriber", name=op.f("uq_pubsub_subs_node_id")), |
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36 ) |
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37 |
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38 |
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39 def downgrade(): |
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40 op.drop_table("pubsub_subs") |