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Explicitly imported migration operations in optimizer
Thanks Andrew Godwin for the review.
This commit is contained in:
Markus Holtermann
parent
128caa1e16
commit
4a7d374fd5
@ -1,6 +1,10 @@
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from __future__ import unicode_literals
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from django.db import migrations
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from django.db.migrations import (
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AddField, AlterField, AlterIndexTogether, AlterModelTable,
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AlterOrderWithRespectTo, AlterUniqueTogether, CreateModel, DeleteModel,
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RemoveField, RenameField, RenameModel,
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)
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from django.utils import six
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@ -17,120 +21,120 @@ class MigrationOptimizer(object):
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def __init__(self):
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self.model_level_operations = (
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migrations.CreateModel,
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migrations.AlterModelTable,
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migrations.AlterUniqueTogether,
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migrations.AlterIndexTogether,
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migrations.AlterOrderWithRespectTo,
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CreateModel,
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AlterModelTable,
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AlterUniqueTogether,
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AlterIndexTogether,
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AlterOrderWithRespectTo,
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)
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self.field_level_operations = (
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migrations.AddField,
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migrations.AlterField,
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AddField,
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AlterField,
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)
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self.reduce_methods = [
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(
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migrations.CreateModel,
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migrations.DeleteModel,
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CreateModel,
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DeleteModel,
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self.reduce_model_create_delete,
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),
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(
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migrations.AlterModelTable,
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migrations.DeleteModel,
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AlterModelTable,
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DeleteModel,
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self.reduce_model_alter_delete,
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),
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(
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migrations.AlterUniqueTogether,
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migrations.DeleteModel,
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AlterUniqueTogether,
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DeleteModel,
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self.reduce_model_alter_delete,
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),
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(
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migrations.AlterIndexTogether,
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migrations.DeleteModel,
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AlterIndexTogether,
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DeleteModel,
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self.reduce_model_alter_delete,
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),
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(
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migrations.AlterOrderWithRespectTo,
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migrations.DeleteModel,
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AlterOrderWithRespectTo,
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DeleteModel,
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self.reduce_model_alter_delete,
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),
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(
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migrations.AlterModelTable,
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migrations.AlterModelTable,
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AlterModelTable,
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AlterModelTable,
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self.reduce_model_alter_alter,
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),
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(
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migrations.AlterUniqueTogether,
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migrations.AlterUniqueTogether,
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AlterUniqueTogether,
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AlterUniqueTogether,
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self.reduce_model_alter_alter,
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),
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(
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migrations.AlterIndexTogether,
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migrations.AlterIndexTogether,
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AlterIndexTogether,
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AlterIndexTogether,
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self.reduce_model_alter_alter,
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),
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(
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migrations.AlterOrderWithRespectTo,
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migrations.AlterOrderWithRespectTo,
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AlterOrderWithRespectTo,
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AlterOrderWithRespectTo,
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self.reduce_model_alter_alter,
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),
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(
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migrations.CreateModel,
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migrations.RenameModel,
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CreateModel,
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RenameModel,
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self.reduce_model_create_rename,
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),
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(
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migrations.RenameModel,
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migrations.RenameModel,
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RenameModel,
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RenameModel,
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self.reduce_model_rename_self,
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),
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(
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migrations.CreateModel,
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migrations.AddField,
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CreateModel,
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AddField,
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self.reduce_create_model_add_field,
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),
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(
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migrations.CreateModel,
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migrations.AlterField,
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CreateModel,
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AlterField,
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self.reduce_create_model_alter_field,
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),
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(
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migrations.CreateModel,
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migrations.RemoveField,
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CreateModel,
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RemoveField,
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self.reduce_create_model_remove_field,
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),
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(
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migrations.AddField,
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migrations.AlterField,
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AddField,
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AlterField,
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self.reduce_add_field_alter_field,
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),
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(
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migrations.AddField,
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migrations.RemoveField,
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AddField,
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RemoveField,
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self.reduce_add_field_delete_field,
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),
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(
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migrations.AlterField,
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migrations.RemoveField,
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AlterField,
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RemoveField,
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self.reduce_alter_field_delete_field,
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),
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(
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migrations.AddField,
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migrations.RenameField,
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AddField,
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RenameField,
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self.reduce_add_field_rename_field,
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),
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(
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migrations.AlterField,
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migrations.RenameField,
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AlterField,
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RenameField,
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self.reduce_alter_field_rename_field,
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),
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(
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migrations.CreateModel,
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migrations.RenameField,
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CreateModel,
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RenameField,
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self.reduce_create_model_rename_field,
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),
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(
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migrations.RenameField,
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migrations.RenameField,
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RenameField,
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RenameField,
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self.reduce_rename_field_self,
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),
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]
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@ -240,7 +244,7 @@ class MigrationOptimizer(object):
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"""
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if operation.name_lower == other.old_name_lower:
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return [
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migrations.CreateModel(
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CreateModel(
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other.new_name,
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fields=operation.fields,
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options=operation.options,
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@ -255,7 +259,7 @@ class MigrationOptimizer(object):
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"""
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if operation.new_name_lower == other.old_name_lower:
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return [
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migrations.RenameModel(
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RenameModel(
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operation.old_name,
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other.new_name,
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)
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@ -277,7 +281,7 @@ class MigrationOptimizer(object):
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return None
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# OK, that's fine
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return [
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migrations.CreateModel(
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CreateModel(
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operation.name,
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fields=operation.fields + [(other.name, other.field)],
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options=operation.options,
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@ -289,7 +293,7 @@ class MigrationOptimizer(object):
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def reduce_create_model_alter_field(self, operation, other, in_between):
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if operation.name_lower == other.model_name_lower:
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return [
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migrations.CreateModel(
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CreateModel(
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operation.name,
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fields=[
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(n, other.field if n == other.name else v)
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@ -304,7 +308,7 @@ class MigrationOptimizer(object):
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def reduce_create_model_rename_field(self, operation, other, in_between):
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if operation.name_lower == other.model_name_lower:
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return [
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migrations.CreateModel(
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CreateModel(
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operation.name,
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fields=[
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(other.new_name if n == other.old_name else n, v)
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@ -319,7 +323,7 @@ class MigrationOptimizer(object):
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def reduce_create_model_remove_field(self, operation, other, in_between):
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if operation.name_lower == other.model_name_lower:
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return [
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migrations.CreateModel(
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CreateModel(
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operation.name,
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fields=[
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(n, v)
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@ -336,7 +340,7 @@ class MigrationOptimizer(object):
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if (operation.model_name_lower == other.model_name_lower and
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operation.name_lower == other.name_lower):
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return [
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migrations.AddField(
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AddField(
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model_name=operation.model_name,
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name=operation.name,
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field=other.field,
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@ -357,7 +361,7 @@ class MigrationOptimizer(object):
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if (operation.model_name_lower == other.model_name_lower and
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operation.name_lower == other.old_name_lower):
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return [
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migrations.AddField(
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AddField(
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model_name=operation.model_name,
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name=other.new_name,
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field=operation.field,
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@ -369,7 +373,7 @@ class MigrationOptimizer(object):
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operation.name_lower == other.old_name_lower):
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return [
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other,
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migrations.AlterField(
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AlterField(
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model_name=operation.model_name,
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name=other.new_name,
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field=operation.field,
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@ -380,7 +384,7 @@ class MigrationOptimizer(object):
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if (operation.model_name_lower == other.model_name_lower and
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operation.new_name_lower == other.old_name_lower):
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return [
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migrations.RenameField(
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RenameField(
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operation.model_name,
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operation.old_name,
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other.new_name,
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