From 0163d73be96f925ef26c25919e2bf49611ff75f7 Mon Sep 17 00:00:00 2001
From: Guilherme de Freitas <guilherme.de-freitas@diamond.ac.uk>
Date: Wed, 8 Apr 2026 14:05:58 +0100
Subject: [PATCH] Add Protein_has_Component table

---
 .../2026_04_08_Protein_has_Component.sql      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 schemas/ispyb/updates/2026_04_08_Protein_has_Component.sql

diff --git a/schemas/ispyb/updates/2026_04_08_Protein_has_Component.sql b/schemas/ispyb/updates/2026_04_08_Protein_has_Component.sql
new file mode 100644
index 00000000..3c61a97e
--- /dev/null
+++ b/schemas/ispyb/updates/2026_04_08_Protein_has_Component.sql
@@ -0,0 +1,19 @@
+INSERT IGNORE INTO SchemaStatus (scriptName, schemaStatus) VALUES ('2026_04_08_Protein_has_Component.sql', 'ONGOING');
+
+CREATE TABLE Protein_has_Component (
+    proteinHasComponentId int(11) unsigned PRIMARY KEY AUTO_INCREMENT,
+    proteinId int(10) unsigned NOT NULL COMMENT 'References Protein table',
+    componentId int(10) unsigned NOT NULL COMMENT 'References Component table',
+    CONSTRAINT `Protein_has_Component_fk_proteinId`
+      FOREIGN KEY (proteinId)
+        REFERENCES Protein (proteinId)
+          ON DELETE CASCADE
+          ON UPDATE CASCADE,
+    CONSTRAINT `Protein_has_Component_fk_componentId`
+      FOREIGN KEY (componentId)
+        REFERENCES Component (componentId)
+          ON DELETE CASCADE
+          ON UPDATE CASCADE
+) COMMENT = 'Which elements are contained inside a molecule';
+
+UPDATE SchemaStatus SET schemaStatus = 'DONE' WHERE scriptName = '2026_04_08_Protein_has_Component.sql';