# Generated by Django 3.2.16 on 2022-12-21 11:16
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import logging
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from django.db import migrations
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from core.redis import start_job_async_or_sync
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from core.utils.common import btree_gin_migration_operations
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logger = logging.getLogger(__name__)
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def async_index_creation(db_alias):
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from django.db import connections
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with connections[db_alias].schema_editor(atomic=False) as schema_editor:
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schema_editor.execute('create index concurrently if not exists tasks_annotations_result_proj_gin '
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'on task_completion using gin (project_id, cast(result as text) gin_trgm_ops);'
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)
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def forwards(apps, schema_editor):
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if not schema_editor.connection.vendor.startswith('postgres'):
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logger.info('Database vendor: {}'.format(schema_editor.connection.vendor))
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logger.info('Skipping dropping tasks_annotations_result_idx index')
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return
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schema_editor.execute('drop index if exists tasks_annotations_result_idx;')
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schema_editor.execute('drop index if exists tasks_annotations_result_idx2;')
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db_alias = schema_editor.connection.alias
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start_job_async_or_sync(async_index_creation, db_alias=db_alias)
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def backwards(apps, schema_editor):
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pass
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class Migration(migrations.Migration):
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atomic = False
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dependencies = [('tasks', '0034_auto_20221221_1101')]
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operations = btree_gin_migration_operations(migrations.RunPython(forwards, backwards))
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