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416a6caf2d
Previously, triggers lived only in a particular migration file. With this change, code for the triggers resides in the model, and their lifecycle is managed through normal Django migrations.
51 lines
2 KiB
Python
51 lines
2 KiB
Python
# Generated by Django 3.2.20 on 2023-11-25 00:47
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from importlib import import_module
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import re
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from django.db import migrations
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import pgtrigger.compiler
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import pgtrigger.migrations
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trigger_migration = import_module("bookwyrm.migrations.0077_auto_20210623_2155")
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# it's _very_ convenient for development that this migration be reversible
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search_vector_trigger = trigger_migration.Migration.operations[4]
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author_search_vector_trigger = trigger_migration.Migration.operations[5]
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assert re.search(r"\bCREATE TRIGGER search_vector_trigger\b", search_vector_trigger.sql)
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assert re.search(
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r"\bCREATE TRIGGER author_search_vector_trigger\b",
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author_search_vector_trigger.sql,
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)
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class Migration(migrations.Migration):
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dependencies = [
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("bookwyrm", "0190_book_search_updates"),
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]
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operations = [
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pgtrigger.migrations.AddTrigger(
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model_name="author",
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trigger=pgtrigger.compiler.Trigger(
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name="reset_search_vector_on_author_edit",
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sql=pgtrigger.compiler.UpsertTriggerSql(
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func="WITH book AS (SELECT bookwyrm_book.id AS row_id FROM bookwyrm_author LEFT OUTER JOIN bookwyrm_book_authors ON bookwyrm_book_authors.id = new.id LEFT OUTER JOIN bookwyrm_book ON bookwyrm_book.id = bookwyrm_book_authors.book_id) UPDATE bookwyrm_book SET search_vector = '' FROM book WHERE id = book.row_id;RETURN NEW;",
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hash="9c0a472e2bf60e63d593cce49f47972c7b227a00",
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operation='UPDATE OF "name"',
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pgid="pgtrigger_reset_search_vector_on_author_edit_a447c",
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table="bookwyrm_author",
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when="AFTER",
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),
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),
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),
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migrations.RunSQL(
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sql="""DROP TRIGGER IF EXISTS author_search_vector_trigger ON bookwyrm_author;
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DROP FUNCTION IF EXISTS author_trigger;
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""",
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reverse_sql=author_search_vector_trigger.sql,
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),
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]
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