Create 0012_coordinate_fields_fix.py

Fixes #5365

specifyweb/specify/migrations/0012_coordinate_fields_fix.py

@@ -0,0 +1,38 @@
+# Generated by Django 3.2.15 on 2024-11-02 00:46
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('specify', '0011_cascading_tree_nodes'),
+    ]
+
+    operations = [
+        # There are cases from Specify 6 where Longitude and Latitude are captured as decimal values but
+        # the accompanying text fields are not populated. In cases where the text fields are not populated,
+        # it appears the records do not have coordinates. This script will populate the text fields with the
+        # decimal values where the text fields are empty but the decimal values are not.
+        migrations.RunSQL(
+            """
+            UPDATE locality
+            SET Lat1text = Latitude1
+            WHERE Lat1text IS NULL AND Latitude1 IS NOT NULL;
+
+            UPDATE locality 
+            SET Long1text = Longitude1 
+            WHERE Long1text IS NULL AND Longitude1 IS NOT NULL;
+
+            UPDATE locality
+            SET Lat2text = Latitude2
+            WHERE Lat2text IS NULL AND Latitude2 IS NOT NULL;
+
+            UPDATE locality 
+            SET Long2text = Longitude2 
+            WHERE Long2text IS NULL AND Longitude2 IS NOT NULL;
+            """,
+            # This SQL statment should not be reversed, but this allows for rollback
+            reverse_sql=''
+        )
+    ]