From a83e9dcc959568addeda1b10bc6a518270f5a174 Mon Sep 17 00:00:00 2001
From: Tomas Koristka <koristo1@fit.cvut.cz>
Date: Fri, 20 Mar 2020 17:45:55 +0100
Subject: [PATCH] Updated db to ensure document-term unique pairing
---
src/preprocessing/database/create-script.sql | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/preprocessing/database/create-script.sql b/src/preprocessing/database/create-script.sql
index 7f2c8f1..e7d61e1 100644
--- a/src/preprocessing/database/create-script.sql
+++ b/src/preprocessing/database/create-script.sql
@@ -17,5 +17,6 @@ CREATE TABLE TermDocumentOccurrence
Document_id INTEGER UNSIGNED NOT NULL,
count INTEGER UNSIGNED NOT NULL,
FOREIGN KEY (Document_id) REFERENCES Document (id),
- FOREIGN KEY (Term_id) REFERENCES Term (id)
+ FOREIGN KEY (Term_id) REFERENCES Term (id),
+ UNIQUE (Term_id, Document_id) ON CONFLICT REPLACE
);
--
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