ENSCORESW-3267. added patch for 100 and NOT NULL for externaldb.type in table.sql

sql/patch_99_100_b.sql

+-- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
+-- Copyright [2016-2019] EMBL-European Bioinformatics Institute
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--      http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+# patch_99_100_b.sql
+#
+# Title: Update external_db.type to NOT NULL
+#
+# Description:
+#   Update external_db.type column to NOT NULL.
+
+ALTER TABLE external_db MODIFY COLUMN type ENUM('ARRAY', 'ALT_TRANS', 'ALT_GENE', 'MISC', 'LIT', 'PRIMARY_DB_SYNONYM', 'ENSEMBL') NOT NULL;
+
+# Patch identifier
+INSERT INTO meta (species_id, meta_key, meta_value)
+  VALUES (NULL, 'patch', 'patch_99_100_b.sql|alter_externaldb_type_notnull');

sql/table.sql

@@ -2159,7 +2159,7 @@ CREATE TABLE external_db (
   status                      ENUM('KNOWNXREF','KNOWN','XREF','PRED','ORTH', 'PSEUDO') NOT NULL,
   priority                    INT NOT NULL,
   db_display_name             VARCHAR(255),
-  type                        ENUM('ARRAY', 'ALT_TRANS', 'ALT_GENE', 'MISC', 'LIT', 'PRIMARY_DB_SYNONYM', 'ENSEMBL'),
+  type                        ENUM('ARRAY', 'ALT_TRANS', 'ALT_GENE', 'MISC', 'LIT', 'PRIMARY_DB_SYNONYM', 'ENSEMBL') NOT NULL,
   secondary_db_name           VARCHAR(255) DEFAULT NULL,
   secondary_db_table          VARCHAR(255) DEFAULT NULL,
   description                 TEXT,