41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
"""add dictionary_sense_link table
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Revision ID: 0010
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Revises: 0009
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Create Date: 2026-04-10
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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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from sqlalchemy.dialects import postgresql
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revision: str = "0010"
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down_revision: Union[str, None] = "0009"
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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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op.create_table(
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"dictionary_sense_link",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column(
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"sense_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("dictionary_sense.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column("link_text", sa.Text(), nullable=False),
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sa.Column("link_target", sa.Text(), nullable=False),
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sa.Column("target_lemma_id", postgresql.UUID(as_uuid=True), nullable=True),
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)
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op.create_index("ix_dictionary_sense_link_sense_id", "dictionary_sense_link", ["sense_id"])
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op.create_index("ix_dictionary_sense_link_target_lemma_id", "dictionary_sense_link", ["target_lemma_id"])
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def downgrade() -> None:
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op.drop_index("ix_dictionary_sense_link_target_lemma_id", table_name="dictionary_sense_link")
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op.drop_index("ix_dictionary_sense_link_sense_id", table_name="dictionary_sense_link")
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op.drop_table("dictionary_sense_link")
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