adds mappgings to database

src/main/kotlin/unibz.cs.semint.kprime/domain/ddl/Database.kt

@@ -2,6 +2,7 @@ package unibz.cs.semint.kprime.domain.ddl
 
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement
+import unibz.cs.semint.kprime.domain.dql.Query
 
 @JacksonXmlRootElement(localName = "database")
 open class Database () {
@@ -12,6 +13,7 @@ open class Database () {
     var id: String=""
 
     var schema: Schema = Schema()
+    var mapping : HashMap<String, Query>? = HashMap<String, Query>()
 
         fun lineage(tableName:String) : List<String> {
             val result = mutableListOf<String>()

src/test/kotlin/unibz.cs.semint.kprime/usecase/ApplyChangeSetUseCaseTest.kt

@@ -91,6 +91,7 @@ class ApplyChangeSetUseCaseTest {
                   </constraints>
                 </constraints>
               </schema>
+              <mapping/>
             </database>
         """.trimIndent()
         assertEquals(expectedDb,serializeNewDb)
@@ -113,6 +114,10 @@ class ApplyChangeSetUseCaseTest {
         val column = Column()
         table.columns.add(column)
         db.schema.tables.add(table)
+//        db.mapping.put("amico", SQLizeUseCase().fromsql("""
+//            SELECT *
+//            FROM person
+//        """.trimIndent()))
         return db
     }
 

src/test/resources/database_with_two_empty_tables.xml

@@ -10,4 +10,5 @@
         </tables>
         <constraints/>
     </schema>
+    <mapping/>
 </database>
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