Initial commit

alembic/versions/520eccd2e55f_add_group.py

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+"""add group
+
+Revision ID: 520eccd2e55f
+Revises: d3bd5df63c1b
+Create Date: 2026-01-02 19:42:09.264423
+
+"""
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = '520eccd2e55f'
+down_revision: str | None = 'd3bd5df63c1b'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('groups',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('number', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.CheckConstraint('number >= 1000 AND number <= 9999', name='check_group_number'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_groups_number'), 'groups', ['number'], unique=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_groups_number'), table_name='groups')
+    op.drop_table('groups')
+    # ### end Alembic commands ###