mirror of
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80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
"""
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Revision ID: 0326_broadcast_event
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Revises: 0323_broadcast_message
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Create Date: 2020-07-24 12:40:35.809523
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import postgresql
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revision = "0326_broadcast_event"
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down_revision = "0323_broadcast_message"
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def upgrade():
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op.create_table(
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"broadcast_event",
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sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column("service_id", postgresql.UUID(as_uuid=True), nullable=True),
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sa.Column(
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"broadcast_message_id", postgresql.UUID(as_uuid=True), nullable=False
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),
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sa.Column("sent_at", sa.DateTime(), nullable=False),
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sa.Column("message_type", sa.String(), nullable=False),
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sa.Column(
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"transmitted_content",
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postgresql.JSONB(none_as_null=True, astext_type=sa.Text()),
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nullable=True,
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),
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sa.Column(
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"transmitted_areas",
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postgresql.JSONB(none_as_null=True, astext_type=sa.Text()),
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nullable=False,
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),
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sa.Column("transmitted_sender", sa.String(), nullable=False),
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sa.Column("transmitted_starts_at", sa.DateTime(), nullable=True),
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sa.Column("transmitted_finishes_at", sa.DateTime(), nullable=True),
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sa.ForeignKeyConstraint(
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["broadcast_message_id"],
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["broadcast_message.id"],
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),
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sa.ForeignKeyConstraint(
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["service_id"],
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["services.id"],
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),
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sa.PrimaryKeyConstraint("id"),
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)
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# this shouldn't be nullable. it defaults to `[]` in python.
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op.alter_column(
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"broadcast_message",
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"areas",
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existing_type=postgresql.JSONB(astext_type=sa.Text()),
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nullable=False,
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)
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# this can't be nullable. it defaults to 'draft' in python.
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op.alter_column(
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"broadcast_message", "status", existing_type=sa.VARCHAR(), nullable=False
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)
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op.create_foreign_key(
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None, "broadcast_message", "broadcast_status_type", ["status"], ["name"]
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)
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def downgrade():
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op.drop_constraint(
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"broadcast_message_status_fkey", "broadcast_message", type_="foreignkey"
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)
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op.alter_column(
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"broadcast_message", "status", existing_type=sa.VARCHAR(), nullable=True
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)
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op.alter_column(
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"broadcast_message",
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"areas",
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existing_type=postgresql.JSONB(astext_type=sa.Text()),
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nullable=True,
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)
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op.drop_table("broadcast_event")
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