mirror of
https://github.com/bookwyrm-social/bookwyrm.git
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77 lines
3.5 KiB
Python
77 lines
3.5 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="book",
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trigger=pgtrigger.compiler.Trigger(
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name="update_search_vector_on_book_edit",
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sql=pgtrigger.compiler.UpsertTriggerSql(
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func="new.search_vector := setweight(coalesce(nullif(to_tsvector('english', new.title), ''), to_tsvector('simple', new.title)), 'A') || setweight(to_tsvector('english', coalesce(new.subtitle, '')), 'B') || (SELECT setweight(to_tsvector('simple', coalesce(array_to_string(array_agg(bookwyrm_author.name), ' '), '')), 'C') FROM bookwyrm_author LEFT JOIN bookwyrm_book_authors ON bookwyrm_author.id = bookwyrm_book_authors.author_id WHERE bookwyrm_book_authors.book_id = new.id ) || setweight(to_tsvector('english', coalesce(new.series, '')), 'D');RETURN NEW;",
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hash="77d6399497c0a89b0bf09d296e33c396da63705c",
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operation='INSERT OR UPDATE OF "title", "subtitle", "series", "search_vector"',
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pgid="pgtrigger_update_search_vector_on_book_edit_bec58",
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table="bookwyrm_book",
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when="BEFORE",
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),
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),
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),
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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 updated_books AS (SELECT book_id FROM bookwyrm_book_authors WHERE author_id = new.id ) UPDATE bookwyrm_book SET search_vector = '' FROM updated_books WHERE id = updated_books.book_id;RETURN NEW;",
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hash="e7bbf08711ff3724c58f4d92fb7a082ffb3d7826",
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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 search_vector_trigger ON bookwyrm_book;
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DROP FUNCTION IF EXISTS book_trigger;
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""",
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reverse_sql=search_vector_trigger.sql,
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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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migrations.RunSQL(
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# Recalculate book search vector for any missed author name changes
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# due to bug in JOIN in the old trigger.
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sql="UPDATE bookwyrm_book SET search_vector = NULL;",
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reverse_sql=migrations.RunSQL.noop,
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),
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]
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