Christian Krakau-Louis
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
"""add dns cache
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Revision ID: b8c9d0e1f2a3
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Revises: a7b8c9d0e1f2
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Create Date: 2026-05-22 23:28:00.000000
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = "b8c9d0e1f2a3"
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down_revision: Union[str, Sequence[str], None] = "a7b8c9d0e1f2"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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"""Create a DNS result cache table."""
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op.create_table(
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"dns_cache",
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sa.Column("id", sa.Integer(), nullable=False),
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sa.Column("domain", sa.String(), nullable=False),
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sa.Column("provider", sa.String(), nullable=False),
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sa.Column("selectors_key", sa.String(length=64), nullable=False),
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sa.Column("result_json", sa.Text(), nullable=False),
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sa.Column("checked_at", sa.DateTime(), nullable=False),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint("domain", "provider", "selectors_key", name="uq_dns_cache_lookup"),
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)
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op.create_index(op.f("ix_dns_cache_id"), "dns_cache", ["id"], unique=False)
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op.create_index(op.f("ix_dns_cache_domain"), "dns_cache", ["domain"], unique=False)
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op.create_index(op.f("ix_dns_cache_provider"), "dns_cache", ["provider"], unique=False)
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op.create_index(
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op.f("ix_dns_cache_selectors_key"),
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"dns_cache",
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["selectors_key"],
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unique=False,
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)
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op.create_index(op.f("ix_dns_cache_checked_at"), "dns_cache", ["checked_at"], unique=False)
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op.create_index(
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"ix_dns_cache_domain_checked",
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"dns_cache",
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["domain", "checked_at"],
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unique=False,
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)
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def downgrade() -> None:
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"""Drop the DNS result cache table."""
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op.drop_index("ix_dns_cache_domain_checked", table_name="dns_cache")
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op.drop_index(op.f("ix_dns_cache_checked_at"), table_name="dns_cache")
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op.drop_index(op.f("ix_dns_cache_selectors_key"), table_name="dns_cache")
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op.drop_index(op.f("ix_dns_cache_provider"), table_name="dns_cache")
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op.drop_index(op.f("ix_dns_cache_domain"), table_name="dns_cache")
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op.drop_index(op.f("ix_dns_cache_id"), table_name="dns_cache")
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op.drop_table("dns_cache")
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