40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
"""create books table
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Revision ID: b2c3d4e5f6g7
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Revises: 0001
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Create Date: 2024-03-26 12:00:00.000000
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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.dialects.postgresql import UUID
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from sqlalchemy.sql import func
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# revision identifiers
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revision = 'b2c3d4e5f6g7'
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down_revision = '0001'
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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', UUID(as_uuid=True), primary_key=True),
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sa.Column('title', sa.String(), nullable=False),
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sa.Column('author', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('isbn', sa.String(), nullable=False),
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sa.Column('publication_year', sa.Integer(), nullable=True),
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sa.Column('publisher', sa.String(), nullable=True),
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sa.Column('page_count', sa.Integer(), nullable=True),
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sa.Column('language', sa.String(), nullable=True),
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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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)
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op.create_index(op.f('ix_books_title'), 'books', ['title'], unique=False)
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op.create_unique_constraint('uq_books_isbn', 'books', ['isbn'])
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def downgrade():
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op.drop_index(op.f('ix_books_title'), table_name='books')
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op.drop_constraint('uq_books_isbn', 'books', type_='unique')
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op.drop_table('books') |