#68 added ping table

src/main/resources/db/changelog-20190424_000000-schema.xml

@@ -0,0 +1,28 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<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-3.1.xsd">
+    <changeSet author="vova" id="20190424_000000-1">
+        <createTable tableName="ping">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="date" type="timestamp">
+                <constraints nullable="false"/>
+            </column>
+            <column name="user_id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="conference_id" type="integer"/>
+            <column name="version" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_ping" tableName="ping"/>
+        <addForeignKeyConstraint baseTableName="ping" baseColumnNames="user_id"
+                                 constraintName="fk_ping_user_id" referencedTableName="users"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="ping" baseColumnNames="conference_id"
+                                 constraintName="fk_ping_conference_id" referencedTableName="conference"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+
+</databaseChangeLog>

src/main/resources/db/changelog-master.xml

@@ -31,4 +31,5 @@
     <include file="db/changelog-20190402_000000-schema.xml"/>
     <include file="db/changelog-20190404_000000-schema.xml"/>
     <include file="db/changelog-20190421_000000-schema.xml"/>
+    <include file="db/changelog-20190424_000000-schema.xml"/>
 </databaseChangeLog>