41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
"""create books table
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Revision ID: b2c3d4e5f6g7
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Revises:
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Create Date: 2024-01-09 10:00:00.000000
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.sql import func
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import uuid
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# revision identifiers
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revision = 'b2c3d4e5f6g7'
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down_revision = None
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_table(
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'books',
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sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
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sa.Column('title', sa.String(), nullable=False),
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sa.Column('description', sa.String()),
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sa.Column('isbn', sa.String(), unique=True),
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sa.Column('author_id', sa.String(), sa.ForeignKey('authors.id')),
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sa.Column('publication_year', sa.Integer()),
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sa.Column('pages', sa.Integer()),
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sa.Column('genre', sa.String()),
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sa.Column('publisher', sa.String()),
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sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
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sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now(), onupdate=sa.func.now()),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index('ix_books_title', 'books', ['title'])
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op.create_index('ix_books_isbn', 'books', ['isbn'], unique=True)
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def downgrade():
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op.drop_index('ix_books_isbn', 'books')
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op.drop_index('ix_books_title', 'books')
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op.drop_table('books') |