From 1e3bbbf7d3b2fd12b90bc0dca9ac575de4a7d476 Mon Sep 17 00:00:00 2001
From: Marcel Levstek <62072754+marcellevstek@users.noreply.github.com>
Date: Tue, 5 Nov 2024 13:55:39 +0100
Subject: [PATCH] Change ref and alt field types

in Variant model
---
 docs/CHANGELOG.rst                            |  1 +
 ...ant_alternative_alter_variant_reference.py | 26 +++++++++++++++++++
 resolwe_bio/variants/models.py                |  6 ++---
 3 files changed, 29 insertions(+), 4 deletions(-)
 create mode 100644 resolwe_bio/variants/migrations/0009_alter_variant_alternative_alter_variant_reference.py

diff --git a/docs/CHANGELOG.rst b/docs/CHANGELOG.rst
index 92d018291..5b4cd331c 100644
--- a/docs/CHANGELOG.rst
+++ b/docs/CHANGELOG.rst
@@ -17,6 +17,7 @@ Added
 
 Changed
 -------
+- Change ref and alt field types in Variant model
 
 Fixed
 -----
diff --git a/resolwe_bio/variants/migrations/0009_alter_variant_alternative_alter_variant_reference.py b/resolwe_bio/variants/migrations/0009_alter_variant_alternative_alter_variant_reference.py
new file mode 100644
index 000000000..4d62a2978
--- /dev/null
+++ b/resolwe_bio/variants/migrations/0009_alter_variant_alternative_alter_variant_reference.py
@@ -0,0 +1,26 @@
+# Generated by Django 4.2.13 on 2024-11-05 13:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "resolwe_bio_variants",
+            "0008_alter_variantannotation_clinical_diagnosis_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="variant",
+            name="alternative",
+            field=models.TextField(),
+        ),
+        migrations.AlterField(
+            model_name="variant",
+            name="reference",
+            field=models.TextField(),
+        ),
+    ]
diff --git a/resolwe_bio/variants/models.py b/resolwe_bio/variants/models.py
index e3f40566b..19cc9b6f9 100644
--- a/resolwe_bio/variants/models.py
+++ b/resolwe_bio/variants/models.py
@@ -18,8 +18,6 @@
 SPECIES_MAX_LENGTH = 50
 GENOME_ASSEMBLY_MAX_LENGTH = 20
 CHROMOSOME_MAX_LENGTH = 20
-REFERENCE_MAX_LENGTH = 150
-ALTERNATIVE_MAX_LENGTH = 150
 
 # Metadata
 VARIANT_DATA_SOURCE_MAX_LENGTH = 100
@@ -66,10 +64,10 @@ class Variant(AuditModel):
     position = models.PositiveBigIntegerField()
 
     #: reference
-    reference = models.CharField(max_length=REFERENCE_MAX_LENGTH)
+    reference = models.TextField()
 
     #: alternative
-    alternative = models.CharField(max_length=ALTERNATIVE_MAX_LENGTH)
+    alternative = models.TextField()
 
     class Meta:
         """Add constraint for composite key."""