{michel,scott,yvert,gibbons}_catalog: make 'code' field non-nullable.

No functional changes.

Author: php-coder

src/main/resources/liquibase/version/0.4.xml

@@ -31,5 +31,6 @@
 	<include file="0.4/2017-10-23--image_filename.xml" relativeToChangelogFile="true" />
 	<include file="0.4/2017-10-30--scott_code_length.xml" relativeToChangelogFile="true" />
 	<include file="0.4/2017-10-31--series_sales_null_second_currency.xml" relativeToChangelogFile="true" />
+	<include file="0.4/2017-10-31--non_nullable_catalog_codes.xml" relativeToChangelogFile="true" />
 
 </databaseChangeLog>

src/main/resources/liquibase/version/0.4/2017-10-31--non_nullable_catalog_codes.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog
+		xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+		http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd">
+	
+	<changeSet id="make-michel_catalog-code-non_nullable" author="php-coder" context="scheme">
+		<addNotNullConstraint
+			tableName="michel_catalog"
+			columnName="code"
+			columnDataType="VARCHAR(4)"/>
+	</changeSet>
+	
+	<changeSet id="make-scott_catalog-code-non_nullable" author="php-coder" context="scheme">
+		<addNotNullConstraint
+			tableName="scott_catalog"
+			columnName="code"
+			columnDataType="VARCHAR(5)"/>
+	</changeSet>
+	
+	<changeSet id="make-yvert_catalog-code-non_nullable" author="php-coder" context="scheme">
+		<addNotNullConstraint
+			tableName="yvert_catalog"
+			columnName="code"
+			columnDataType="VARCHAR(4)"/>
+	</changeSet>
+	
+	<changeSet id="make-gibbons_catalog-code-non_nullable" author="php-coder" context="scheme">
+		<addNotNullConstraint
+			tableName="gibbons_catalog"
+			columnName="code"
+			columnDataType="VARCHAR(4)"/>
+	</changeSet>
+	
+</databaseChangeLog>