forked from open-webui/open-webui
254 lines
8.1 KiB
Python
254 lines
8.1 KiB
Python
"""Peewee migrations -- 001_initial_schema.py.
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Some examples (model - class or model name)::
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> Model = migrator.orm['table_name'] # Return model in current state by name
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> Model = migrator.ModelClass # Return model in current state by name
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> migrator.sql(sql) # Run custom SQL
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> migrator.run(func, *args, **kwargs) # Run python function with the given args
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> migrator.create_model(Model) # Create a model (could be used as decorator)
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> migrator.remove_model(model, cascade=True) # Remove a model
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> migrator.add_fields(model, **fields) # Add fields to a model
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> migrator.change_fields(model, **fields) # Change fields
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> migrator.remove_fields(model, *field_names, cascade=True)
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> migrator.rename_field(model, old_field_name, new_field_name)
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> migrator.rename_table(model, new_table_name)
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> migrator.add_index(model, *col_names, unique=False)
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> migrator.add_not_null(model, *field_names)
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> migrator.add_default(model, field_name, default)
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> migrator.add_constraint(model, name, sql)
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> migrator.drop_index(model, *col_names)
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> migrator.drop_not_null(model, *field_names)
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> migrator.drop_constraints(model, *constraints)
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"""
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from contextlib import suppress
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import peewee as pw
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from peewee_migrate import Migrator
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with suppress(ImportError):
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import playhouse.postgres_ext as pw_pext
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def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
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"""Write your migrations here."""
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# We perform different migrations for SQLite and other databases
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# This is because SQLite is very loose with enforcing its schema, and trying to migrate other databases like SQLite
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# will require per-database SQL queries.
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# Instead, we assume that because external DB support was added at a later date, it is safe to assume a newer base
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# schema instead of trying to migrate from an older schema.
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if isinstance(database, pw.SqliteDatabase):
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migrate_sqlite(migrator, database, fake=fake)
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else:
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migrate_external(migrator, database, fake=fake)
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def migrate_sqlite(migrator: Migrator, database: pw.Database, *, fake=False):
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@migrator.create_model
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class Auth(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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email = pw.CharField(max_length=255)
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password = pw.CharField(max_length=255)
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active = pw.BooleanField()
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class Meta:
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table_name = "auth"
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@migrator.create_model
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class Chat(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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title = pw.CharField()
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chat = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "chat"
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@migrator.create_model
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class ChatIdTag(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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tag_name = pw.CharField(max_length=255)
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chat_id = pw.CharField(max_length=255)
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user_id = pw.CharField(max_length=255)
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "chatidtag"
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@migrator.create_model
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class Document(pw.Model):
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id = pw.AutoField()
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collection_name = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255, unique=True)
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title = pw.CharField()
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filename = pw.CharField()
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content = pw.TextField(null=True)
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user_id = pw.CharField(max_length=255)
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "document"
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@migrator.create_model
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class Modelfile(pw.Model):
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id = pw.AutoField()
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tag_name = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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modelfile = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "modelfile"
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@migrator.create_model
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class Prompt(pw.Model):
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id = pw.AutoField()
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command = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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title = pw.CharField()
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content = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "prompt"
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@migrator.create_model
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class Tag(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255)
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user_id = pw.CharField(max_length=255)
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data = pw.TextField(null=True)
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class Meta:
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table_name = "tag"
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@migrator.create_model
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class User(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255)
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email = pw.CharField(max_length=255)
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role = pw.CharField(max_length=255)
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profile_image_url = pw.CharField(max_length=255)
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "user"
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def migrate_external(migrator: Migrator, database: pw.Database, *, fake=False):
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@migrator.create_model
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class Auth(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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email = pw.CharField(max_length=255)
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password = pw.TextField()
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active = pw.BooleanField()
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class Meta:
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table_name = "auth"
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@migrator.create_model
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class Chat(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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title = pw.TextField()
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chat = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "chat"
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@migrator.create_model
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class ChatIdTag(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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tag_name = pw.CharField(max_length=255)
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chat_id = pw.CharField(max_length=255)
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user_id = pw.CharField(max_length=255)
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "chatidtag"
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@migrator.create_model
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class Document(pw.Model):
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id = pw.AutoField()
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collection_name = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255, unique=True)
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title = pw.TextField()
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filename = pw.TextField()
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content = pw.TextField(null=True)
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user_id = pw.CharField(max_length=255)
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "document"
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@migrator.create_model
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class Modelfile(pw.Model):
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id = pw.AutoField()
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tag_name = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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modelfile = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "modelfile"
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@migrator.create_model
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class Prompt(pw.Model):
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id = pw.AutoField()
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command = pw.CharField(max_length=255, unique=True)
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user_id = pw.CharField(max_length=255)
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title = pw.TextField()
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content = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "prompt"
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@migrator.create_model
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class Tag(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255)
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user_id = pw.CharField(max_length=255)
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data = pw.TextField(null=True)
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class Meta:
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table_name = "tag"
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@migrator.create_model
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class User(pw.Model):
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id = pw.CharField(max_length=255, unique=True)
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name = pw.CharField(max_length=255)
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email = pw.CharField(max_length=255)
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role = pw.CharField(max_length=255)
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profile_image_url = pw.TextField()
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timestamp = pw.BigIntegerField()
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class Meta:
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table_name = "user"
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def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
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"""Write your rollback migrations here."""
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migrator.remove_model("user")
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migrator.remove_model("tag")
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migrator.remove_model("prompt")
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migrator.remove_model("modelfile")
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migrator.remove_model("document")
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migrator.remove_model("chatidtag")
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migrator.remove_model("chat")
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migrator.remove_model("auth")
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