sepehr
8fa1ab9ceb
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18 glossaries accumulated from multiple imports. This migration: 1. Deletes ALL glossaries with target_language='en' (old stale imports) 2. Deduplicates multilingual glossaries keeping only the newest per name Result: 8 clean glossaries (one per template), all marked as multilingual. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Delete old FR→EN glossaries and deduplicate multilingual ones
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Revision ID: d0e1f2a3b4c5
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Revises: c8d9e0f1a2b3
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Create Date: 2026-05-31
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Users imported templates multiple times creating duplicates. Also old
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FR→EN glossaries (before multilingual enrichment) are still present.
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This migration cleans everything up.
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"""
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from typing import Sequence, Union
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from alembic import op
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# revision identifiers
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revision = "d0e1f2a3b4c5"
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down_revision = "c8d9e0f1a2b3"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# Step 1: Delete ALL glossaries with target_language='en' (old stale imports)
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op.execute("DELETE FROM glossary_terms WHERE glossary_id IN (SELECT id FROM glossaries WHERE target_language = 'en')")
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op.execute("DELETE FROM glossaries WHERE target_language = 'en'")
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# Step 2: Deduplicate multilingual glossaries — keep only the newest per name
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# Delete terms for duplicates first, then the duplicates themselves
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op.execute("""
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DELETE FROM glossary_terms
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WHERE glossary_id IN (
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SELECT g.id
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FROM glossaries g
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WHERE g.target_language = 'multi'
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AND g.id NOT IN (
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SELECT DISTINCT ON (g2.name) g2.id
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FROM glossaries g2
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WHERE g2.target_language = 'multi'
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ORDER BY g2.name, g2.created_at DESC
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)
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)
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""")
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op.execute("""
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DELETE FROM glossaries
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WHERE target_language = 'multi'
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AND id NOT IN (
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SELECT DISTINCT ON (g2.name) g2.id
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FROM glossaries g2
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WHERE g2.target_language = 'multi'
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ORDER BY g2.name, g2.created_at DESC
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)
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""")
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def downgrade() -> None:
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pass # Cannot restore deleted data
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