Fringg
015c2da297
drop_table automatically removes all indexes, fixing downgrade failure when indexes were added after initial migration was applied
67 lines
2.6 KiB
Python
67 lines
2.6 KiB
Python
"""add news_articles table
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Revision ID: 0046
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Revises: 0045
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Create Date: 2026-03-23
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Adds news_articles table for the cabinet news/blog feature.
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = '0046'
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down_revision: str | None = '0045'
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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op.create_table(
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'news_articles',
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sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
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sa.Column('title', sa.String(500), nullable=False),
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sa.Column('slug', sa.String(500), nullable=False),
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sa.Column('content', sa.Text(), nullable=False, server_default=''),
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sa.Column('excerpt', sa.Text(), nullable=True),
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sa.Column('category', sa.String(100), nullable=False, server_default=''),
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sa.Column('category_color', sa.String(20), nullable=False, server_default='#00e5a0'),
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sa.Column('tag', sa.String(50), nullable=True),
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sa.Column('featured_image_url', sa.Text(), nullable=True),
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sa.Column('is_published', sa.Boolean(), nullable=False, server_default=sa.text('false')),
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sa.Column('is_featured', sa.Boolean(), nullable=False, server_default=sa.text('false')),
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sa.Column('published_at', sa.DateTime(timezone=True), nullable=True),
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sa.Column('read_time_minutes', sa.Integer(), nullable=False, server_default='1'),
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sa.Column('views_count', sa.Integer(), nullable=False, server_default='0'),
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sa.Column('created_by', sa.Integer(), sa.ForeignKey('users.id', ondelete='SET NULL'), nullable=True),
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sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# Unique index on slug (model: unique=True, index=True)
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op.create_index('ix_news_articles_slug', 'news_articles', ['slug'], unique=True)
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# Composite: covers WHERE is_published = true ORDER BY published_at DESC
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op.create_index(
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'ix_news_articles_published_at_published',
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'news_articles',
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['is_published', 'published_at'],
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)
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# Composite: covers WHERE is_published = true AND category = ?
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op.create_index(
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'ix_news_articles_published_category',
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'news_articles',
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['is_published', 'category'],
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)
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# Covers admin list: ORDER BY created_at DESC
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op.create_index('ix_news_articles_created_at', 'news_articles', ['created_at'])
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def downgrade() -> None:
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# drop_table cascades to all indexes on the table automatically
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op.drop_table('news_articles')
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