56 lines
2.2 KiB
Python
56 lines
2.2 KiB
Python
"""add help articles table
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Revision ID: add_help_articles_table
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Revises: c94c2b2b9f2e
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Create Date: 2024-12-19 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 import text
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# revision identifiers, used by Alembic.
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revision = 'add_help_articles_table'
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down_revision = 'c94c2b2b9f2e'
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branch_labels = None
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depends_on = None
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def upgrade():
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conn = op.get_bind()
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result = conn.execute(text("""
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SELECT EXISTS (
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SELECT FROM information_schema.tables
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WHERE table_name = 'help_articles'
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);
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"""))
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exists = result.scalar()
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if not exists:
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op.create_table('help_articles',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('title', sa.String(length=200), nullable=False),
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sa.Column('category', sa.String(length=50), nullable=False),
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sa.Column('body', sa.Text(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=True),
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sa.Column('updated_at', sa.DateTime(), nullable=True),
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sa.Column('created_by', sa.Integer(), nullable=False),
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sa.Column('is_published', sa.Boolean(), nullable=True, server_default='true'),
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sa.Column('order_index', sa.Integer(), nullable=True, server_default='0'),
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sa.ForeignKeyConstraint(['created_by'], ['user.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('id')
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)
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# Create indexes for better performance
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op.create_index('idx_help_articles_category', 'help_articles', ['category'])
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op.create_index('idx_help_articles_published', 'help_articles', ['is_published'])
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op.create_index('idx_help_articles_order', 'help_articles', ['order_index'])
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op.create_index('idx_help_articles_created_at', 'help_articles', ['created_at'])
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def downgrade():
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op.drop_index('idx_help_articles_category', table_name='help_articles')
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op.drop_index('idx_help_articles_published', table_name='help_articles')
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op.drop_index('idx_help_articles_order', table_name='help_articles')
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op.drop_index('idx_help_articles_created_at', table_name='help_articles')
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op.drop_table('help_articles') |