use string instead of uuid

src/database/dao/ResultObjects.kt

@@ -4,10 +4,9 @@ import org.jetbrains.exposed.dao.id.IntIdTable
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.`java-time`.date
 import java.time.LocalDate
-import java.util.*
 
 object ResultObjects : IntIdTable() {
-    val tag: Column<UUID> = uuid("tag")
+    val tag: Column<String> = varchar("tag", 32)
     val date: Column<LocalDate> = date("date").default(LocalDate.now())
     val probability: Column<Double> = double("probability")
     override val primaryKey = PrimaryKey(id, name = "PK_ResultObject_Id")

src/database/service/IResultObjectService.kt

@@ -7,7 +7,7 @@ import java.util.*
 interface IResultObjectService{
     fun addOne(apiObject: ApiObject)
     suspend fun getAllResultObjects(): List<ApiObject>
-    suspend fun getResultObjectbyTag(tag: UUID): ApiObject?
+    suspend fun getResultObjectbyTag(tag: String): ApiObject?
     suspend fun getResultObjectbyDate(date: LocalDate): List<ApiObject>?
     suspend fun getResultObjectbeforeDate(date: LocalDate): List<ApiObject>?
     suspend fun getResultObjectafterDate(date: LocalDate): List<ApiObject>?

src/database/service/ResultObjectService.kt

@@ -27,7 +27,7 @@ class ResultObjectService : IResultObjectService {
         ResultObjects.selectAll().map { toResultObject(it) }
     }
 
-    override suspend fun getResultObjectbyTag(tag: UUID): ApiObject? = dbQuery {
+    override suspend fun getResultObjectbyTag(tag: String): ApiObject? = dbQuery {
         ResultObjects.select {
             (ResultObjects.tag eq tag)
         }.mapNotNull { toResultObject(it) }