|
3 | 3 | # Manually modified to collate some fields as utf8_bin for case sensitive |
4 | 4 | # matching. |
5 | 5 |
|
6 | | -from django.db import migrations, models |
7 | | -import django.db.models.deletion |
8 | 6 | import django.utils.timezone |
9 | 7 | import model_utils.fields |
10 | 8 | import opaque_keys.edx.django.models |
11 | | -from django.conf import settings |
12 | 9 | from django.db import connection |
| 10 | +from django.db import migrations, models |
13 | 11 |
|
14 | | -def run_before_migrate(migrations): |
15 | | - if connection.vendor == 'mysql': |
16 | | - # MySQL: utf8_bin collation |
17 | | - return [migrations.RunSQL('ALTER TABLE learning_sequences_learningcontext MODIFY context_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;',reverse_sql=migrations.RunSQL.noop,), |
18 | | - migrations.RunSQL('ALTER TABLE learning_sequences_coursesection MODIFY usage_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;',reverse_sql=migrations.RunSQL.noop,), |
19 | | - migrations.RunSQL('ALTER TABLE learning_sequences_learningsequence MODIFY usage_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;',reverse_sql=migrations.RunSQL.noop,)] |
20 | | - elif connection.vendor == 'postgresql': |
| 12 | + |
| 13 | +def run_before_migrate(migrations, db_engine): |
| 14 | + if 'postgresql' in db_engine: |
21 | 15 | # PostgreSQL: Use binary collation |
22 | | - return [migrations.RunSQL('ALTER TABLE learning_sequences_learningcontext ALTER COLUMN context_key TYPE VARCHAR(255) COLLATE "C";',reverse_sql=migrations.RunSQL.noop,), |
23 | | - migrations.RunSQL('ALTER TABLE learning_sequences_coursesection ALTER COLUMN usage_key TYPE VARCHAR(255) COLLATE "C";',reverse_sql=migrations.RunSQL.noop,), |
24 | | - migrations.RunSQL('ALTER TABLE learning_sequences_learningsequence ALTER COLUMN usage_key TYPE VARCHAR(255) COLLATE "C";',reverse_sql=migrations.RunSQL.noop,)] |
25 | | -class Migration(migrations.Migration): |
| 16 | + return [ |
| 17 | + migrations.RunSQL( |
| 18 | + 'ALTER TABLE learning_sequences_learningcontext ALTER COLUMN context_key TYPE VARCHAR(255) COLLATE "C";', |
| 19 | + reverse_sql=migrations.RunSQL.noop, ), |
| 20 | + migrations.RunSQL( |
| 21 | + 'ALTER TABLE learning_sequences_coursesection ALTER COLUMN usage_key TYPE VARCHAR(255) COLLATE "C";', |
| 22 | + reverse_sql=migrations.RunSQL.noop, ), |
| 23 | + migrations.RunSQL( |
| 24 | + 'ALTER TABLE learning_sequences_learningsequence ALTER COLUMN usage_key TYPE VARCHAR(255) COLLATE "C";', |
| 25 | + reverse_sql=migrations.RunSQL.noop, ), |
| 26 | + ] |
26 | 27 |
|
| 28 | + return [ |
| 29 | + migrations.RunSQL( |
| 30 | + 'ALTER TABLE learning_sequences_learningcontext MODIFY context_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;', |
| 31 | + reverse_sql=migrations.RunSQL.noop, ), |
| 32 | + migrations.RunSQL( |
| 33 | + 'ALTER TABLE learning_sequences_coursesection MODIFY usage_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;', |
| 34 | + reverse_sql=migrations.RunSQL.noop, ), |
| 35 | + migrations.RunSQL( |
| 36 | + 'ALTER TABLE learning_sequences_learningsequence MODIFY usage_key VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_bin;', |
| 37 | + reverse_sql=migrations.RunSQL.noop, ), |
| 38 | + ] |
| 39 | + |
| 40 | + |
| 41 | +class Migration(migrations.Migration): |
27 | 42 | initial = True |
| 43 | + db_engine = connection.settings_dict['ENGINE'] |
28 | 44 |
|
29 | 45 | dependencies = [ |
30 | 46 | ] |
31 | 47 |
|
32 | 48 | operations = [ |
33 | | - migrations.CreateModel( |
34 | | - name='CourseSection', |
35 | | - fields=[ |
36 | | - ('id', models.BigAutoField(primary_key=True, serialize=False)), |
37 | | - ('ordering', models.PositiveIntegerField()), |
38 | | - ('usage_key', opaque_keys.edx.django.models.UsageKeyField(max_length=255)), |
39 | | - ('title', models.CharField(max_length=1000)), |
40 | | - ('hide_from_toc', models.BooleanField(default=False)), |
41 | | - ('visible_to_staff_only', models.BooleanField(default=False)), |
42 | | - ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')), |
43 | | - ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')), |
44 | | - ], |
45 | | - ), |
46 | | - migrations.CreateModel( |
47 | | - name='CourseSectionSequence', |
48 | | - fields=[ |
49 | | - ('id', models.BigAutoField(primary_key=True, serialize=False)), |
50 | | - ('ordering', models.PositiveIntegerField()), |
51 | | - ('hide_from_toc', models.BooleanField(default=False)), |
52 | | - ('visible_to_staff_only', models.BooleanField(default=False)), |
53 | | - ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')), |
54 | | - ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')), |
55 | | - ], |
56 | | - ), |
57 | | - migrations.CreateModel( |
58 | | - name='LearningContext', |
59 | | - fields=[ |
60 | | - ('id', models.BigAutoField(primary_key=True, serialize=False)), |
61 | | - ('context_key', opaque_keys.edx.django.models.LearningContextKeyField(db_index=True, max_length=255, unique=True)), |
62 | | - ('title', models.CharField(max_length=255)), |
63 | | - ('published_at', models.DateTimeField()), |
64 | | - ('published_version', models.CharField(max_length=255)), |
65 | | - ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')), |
66 | | - ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')), |
67 | | - ], |
68 | | - ), |
69 | | - migrations.CreateModel( |
70 | | - name='LearningSequence', |
71 | | - fields=[ |
72 | | - ('id', models.BigAutoField(primary_key=True, serialize=False)), |
73 | | - ('learning_context', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sequences', to='learning_sequences.LearningContext')), |
74 | | - ('usage_key', opaque_keys.edx.django.models.UsageKeyField(max_length=255)), |
75 | | - ('title', models.CharField(max_length=1000)), |
76 | | - ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')), |
77 | | - ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')), |
78 | | - ], |
79 | | - ), |
80 | | - migrations.AddIndex( |
81 | | - model_name='learningcontext', |
82 | | - index=models.Index(fields=['-published_at'], name='learning_se_publish_62319b_idx'), |
83 | | - ), |
84 | | - migrations.AddField( |
85 | | - model_name='coursesectionsequence', |
86 | | - name='learning_context', |
87 | | - field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='section_sequences', to='learning_sequences.LearningContext'), |
88 | | - ), |
89 | | - migrations.AddField( |
90 | | - model_name='coursesectionsequence', |
91 | | - name='section', |
92 | | - field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='learning_sequences.CourseSection'), |
93 | | - ), |
94 | | - migrations.AddField( |
95 | | - model_name='coursesectionsequence', |
96 | | - name='sequence', |
97 | | - field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='learning_sequences.LearningSequence'), |
98 | | - ), |
99 | | - migrations.AddField( |
100 | | - model_name='coursesection', |
101 | | - name='learning_context', |
102 | | - field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sections', to='learning_sequences.LearningContext'), |
103 | | - ), |
104 | | - migrations.AlterUniqueTogether( |
105 | | - name='learningsequence', |
106 | | - unique_together={('learning_context', 'usage_key')}, |
107 | | - ), |
108 | | - migrations.AlterUniqueTogether( |
109 | | - name='coursesectionsequence', |
110 | | - unique_together={('learning_context', 'ordering')}, |
111 | | - ), |
112 | | - migrations.AlterUniqueTogether( |
113 | | - name='coursesection', |
114 | | - unique_together={('learning_context', 'usage_key')}, |
115 | | - ), |
116 | | - migrations.AlterIndexTogether( |
117 | | - name='coursesection', |
118 | | - index_together={('learning_context', 'ordering')}, |
119 | | - ), |
120 | | - ] + run_before_migrate(migrations) |
| 49 | + migrations.CreateModel( |
| 50 | + name='CourseSection', |
| 51 | + fields=[ |
| 52 | + ('id', models.BigAutoField(primary_key=True, serialize=False)), |
| 53 | + ('ordering', models.PositiveIntegerField()), |
| 54 | + ('usage_key', opaque_keys.edx.django.models.UsageKeyField(max_length=255)), |
| 55 | + ('title', models.CharField(max_length=1000)), |
| 56 | + ('hide_from_toc', models.BooleanField(default=False)), |
| 57 | + ('visible_to_staff_only', models.BooleanField(default=False)), |
| 58 | + ('created', |
| 59 | + model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, |
| 60 | + verbose_name='created')), |
| 61 | + ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, |
| 62 | + editable=False, |
| 63 | + verbose_name='modified')), |
| 64 | + ], |
| 65 | + ), |
| 66 | + migrations.CreateModel( |
| 67 | + name='CourseSectionSequence', |
| 68 | + fields=[ |
| 69 | + ('id', models.BigAutoField(primary_key=True, serialize=False)), |
| 70 | + ('ordering', models.PositiveIntegerField()), |
| 71 | + ('hide_from_toc', models.BooleanField(default=False)), |
| 72 | + ('visible_to_staff_only', models.BooleanField(default=False)), |
| 73 | + ('created', |
| 74 | + model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, |
| 75 | + verbose_name='created')), |
| 76 | + ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, |
| 77 | + editable=False, |
| 78 | + verbose_name='modified')), |
| 79 | + ], |
| 80 | + ), |
| 81 | + migrations.CreateModel( |
| 82 | + name='LearningContext', |
| 83 | + fields=[ |
| 84 | + ('id', models.BigAutoField(primary_key=True, serialize=False)), |
| 85 | + ('context_key', |
| 86 | + opaque_keys.edx.django.models.LearningContextKeyField(db_index=True, max_length=255, |
| 87 | + unique=True)), |
| 88 | + ('title', models.CharField(max_length=255)), |
| 89 | + ('published_at', models.DateTimeField()), |
| 90 | + ('published_version', models.CharField(max_length=255)), |
| 91 | + ('created', |
| 92 | + model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, |
| 93 | + verbose_name='created')), |
| 94 | + ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, |
| 95 | + editable=False, |
| 96 | + verbose_name='modified')), |
| 97 | + ], |
| 98 | + ), |
| 99 | + migrations.CreateModel( |
| 100 | + name='LearningSequence', |
| 101 | + fields=[ |
| 102 | + ('id', models.BigAutoField(primary_key=True, serialize=False)), |
| 103 | + ('learning_context', |
| 104 | + models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sequences', |
| 105 | + to='learning_sequences.LearningContext')), |
| 106 | + ('usage_key', opaque_keys.edx.django.models.UsageKeyField(max_length=255)), |
| 107 | + ('title', models.CharField(max_length=1000)), |
| 108 | + ('created', |
| 109 | + model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, |
| 110 | + verbose_name='created')), |
| 111 | + ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, |
| 112 | + editable=False, |
| 113 | + verbose_name='modified')), |
| 114 | + ], |
| 115 | + ), |
| 116 | + migrations.AddIndex( |
| 117 | + model_name='learningcontext', |
| 118 | + index=models.Index(fields=['-published_at'], name='learning_se_publish_62319b_idx'), |
| 119 | + ), |
| 120 | + migrations.AddField( |
| 121 | + model_name='coursesectionsequence', |
| 122 | + name='learning_context', |
| 123 | + field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, |
| 124 | + related_name='section_sequences', |
| 125 | + to='learning_sequences.LearningContext'), |
| 126 | + ), |
| 127 | + migrations.AddField( |
| 128 | + model_name='coursesectionsequence', |
| 129 | + name='section', |
| 130 | + field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, |
| 131 | + to='learning_sequences.CourseSection'), |
| 132 | + ), |
| 133 | + migrations.AddField( |
| 134 | + model_name='coursesectionsequence', |
| 135 | + name='sequence', |
| 136 | + field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, |
| 137 | + to='learning_sequences.LearningSequence'), |
| 138 | + ), |
| 139 | + migrations.AddField( |
| 140 | + model_name='coursesection', |
| 141 | + name='learning_context', |
| 142 | + field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sections', |
| 143 | + to='learning_sequences.LearningContext'), |
| 144 | + ), |
| 145 | + migrations.AlterUniqueTogether( |
| 146 | + name='learningsequence', |
| 147 | + unique_together={('learning_context', 'usage_key')}, |
| 148 | + ), |
| 149 | + migrations.AlterUniqueTogether( |
| 150 | + name='coursesectionsequence', |
| 151 | + unique_together={('learning_context', 'ordering')}, |
| 152 | + ), |
| 153 | + migrations.AlterUniqueTogether( |
| 154 | + name='coursesection', |
| 155 | + unique_together={('learning_context', 'usage_key')}, |
| 156 | + ), |
| 157 | + migrations.AlterIndexTogether( |
| 158 | + name='coursesection', |
| 159 | + index_together={('learning_context', 'ordering')}, |
| 160 | + ), |
| 161 | + ] + run_before_migrate(migrations, db_engine=db_engine) |
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