db_utils/db_creation.py: change the data type of distance from varchar to int

src/db_utils/db_creation.py

@@ -124,7 +124,7 @@ def create_cin_exon_interaction_table(conn: sqlite3.Connection) -> None:
                 [exon2] VARCHAR(30) NOT NULL,
                 [id_project] INT NOT NULL,
                 [level] VARCHAR(25) NOT NULL,
-                [distance] VARCHAR(30),
+                [distance] INT,
                 PRIMARY KEY ([id]),
                 FOREIGN KEY ([exon1]) REFERENCES cin_exon([id]),
                 FOREIGN KEY ([exon2]) REFERENCES cin_exon([id]),
@@ -147,7 +147,7 @@ def create_cin_gene_interaction_table(conn: sqlite3.Connection) -> None:
                 [gene2] INT NOT NULL,
                 [id_project] INT NOT NULL,
                 [level] VARCHAR(25) NOT NULL,
-                [distance] FLOAT,
+                [distance] INT,
                 PRIMARY KEY ([id]),
                 FOREIGN KEY ([gene1]) REFERENCES cin_gene([id]),
                 FOREIGN KEY ([gene2]) REFERENCES cin_gene([id]),