diff --git a/.idea/runConfigurations/Check.xml b/.idea/runConfigurations/Check.xml
new file mode 100644
index 0000000..b8c0970
--- /dev/null
+++ b/.idea/runConfigurations/Check.xml
@@ -0,0 +1,7 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Check" type="CompoundRunConfigurationType">
+    <toRun name="tests" type="JUnit" />
+    <toRun name="Lint" type="GradleRunConfiguration" />
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/.idea/runConfigurations/Lint.xml b/.idea/runConfigurations/Lint.xml
new file mode 100644
index 0000000..85db345
--- /dev/null
+++ b/.idea/runConfigurations/Lint.xml
@@ -0,0 +1,31 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Lint" type="GradleRunConfiguration" factoryName="Gradle" singleton="false">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="ktlintCheck" />
+        </list>
+      </option>
+      <option name="vmOptions" value="" />
+    </ExternalSystemSettings>
+    <extension name="net.ashald.envfile">
+      <option name="IS_ENABLED" value="false" />
+      <option name="IS_SUBST" value="false" />
+      <option name="IS_PATH_MACRO_SUPPORTED" value="false" />
+      <option name="IS_IGNORE_MISSING_FILES" value="false" />
+      <option name="IS_ENABLE_EXPERIMENTAL_INTEGRATIONS" value="false" />
+      <ENTRIES>
+        <ENTRY IS_ENABLED="true" PARSER="runconfig" />
+      </ENTRIES>
+    </extension>
+    <GradleScriptDebugEnabled>true</GradleScriptDebugEnabled>
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
index b585075..37b1ea1 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
@@ -7,6 +7,7 @@ import com.github.jasync.sql.db.pool.ConnectionPool
 import com.github.jasync.sql.db.postgresql.PostgreSQLConnection
 import com.github.jasync.sql.db.postgresql.PostgreSQLConnectionBuilder
 import fr.postgresjson.entity.EntityI
+import fr.postgresjson.entity.Serializable
 import fr.postgresjson.serializer.Serializer
 import fr.postgresjson.utils.LoggerDelegate
 import org.slf4j.Logger
@@ -174,8 +175,9 @@ class Connection(
         select(sql, object : TypeReference<List<R>>() {}, values, block)
 
     override fun exec(sql: String, values: List<Any?>): QueryResult {
-        return stopwatchQuery(sql, values) {
-            connect().sendPreparedStatement(sql, compileArgs(values)).join()
+        val compiledValues = compileArgs(values)
+        return stopwatchQuery(sql, compiledValues) {
+            connect().sendPreparedStatement(sql, compiledValues).join()
         }
     }
 
@@ -186,8 +188,9 @@ class Connection(
     }
 
     override fun sendQuery(sql: String, values: List<Any?>): Int {
-        return stopwatchQuery(sql, values) {
-            replaceArgsIntoSql(sql, compileArgs(values)) {
+        val compiledValues = compileArgs(values)
+        return stopwatchQuery(sql, compiledValues) {
+            replaceArgsIntoSql(sql, compiledValues) {
                 connect().sendQuery(it).join().rowsAffected.toInt()
             }
         }
@@ -201,7 +204,7 @@ class Connection(
 
     private fun compileArgs(values: List<Any?>): List<Any?> {
         return values.map {
-            if (it is EntityI) {
+            if (it is Serializable) {
                 serializer.serialize(it)
             } else {
                 it
diff --git a/src/main/kotlin/fr/postgresjson/entity/Entity.kt b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
index ded2ccc..446b98a 100644
--- a/src/main/kotlin/fr/postgresjson/entity/Entity.kt
+++ b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
@@ -3,8 +3,9 @@ package fr.postgresjson.entity
 import org.joda.time.DateTime
 import java.util.*
 
-/* ID */
-interface EntityI
+interface Serializable
+interface EntityI : Serializable
+interface Parameter : Serializable
 
 abstract class Entity<T>(open var id: T? = null) : EntityI
 open class UuidEntity(override var id: UUID? = UUID.randomUUID()) : Entity<UUID>(id)
diff --git a/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt b/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
index 7ff6209..52a339d 100644
--- a/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
+++ b/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
@@ -9,7 +9,7 @@ import com.fasterxml.jackson.databind.module.SimpleModule
 import com.fasterxml.jackson.datatype.joda.JodaModule
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
-import fr.postgresjson.entity.EntityI
+import fr.postgresjson.entity.Serializable
 
 class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
     init {
@@ -22,16 +22,16 @@ class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
     }
 
-    fun serialize(source: EntityI, pretty: Boolean = false): String {
+    fun serialize(source: Any, pretty: Boolean = false): String {
         return if (pretty) mapper.writerWithDefaultPrettyPrinter().writeValueAsString(source)
         else mapper.writeValueAsString(source)
     }
 
-    fun <E : EntityI> deserialize(json: String, valueTypeRef: TypeReference<E>): E {
+    fun <E> deserialize(json: String, valueTypeRef: TypeReference<E>): E {
         return this.mapper.readValue(json, valueTypeRef)
     }
 
-    inline fun <reified E : EntityI> deserialize(json: String): E? {
+    inline fun <reified E> deserialize(json: String): E? {
         return this.mapper.readValue(json)
     }
 
@@ -43,11 +43,11 @@ class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
         return deserializeList(json, object : TypeReference<E>() {})
     }
 
-    fun <E : EntityI> deserialize(json: String, target: E): E {
+    fun <E> deserialize(json: String, target: E): E {
         return mapper.readerForUpdating(target).readValue<E>(json)
     }
 }
 
-fun EntityI.serialize(pretty: Boolean = false) = Serializer().serialize(this, pretty)
-inline fun <reified E : EntityI> E.deserialize(json: String) = Serializer().deserialize(json, this)
-inline fun <reified E : EntityI> String.deserialize() = Serializer().deserialize<E>(this)
\ No newline at end of file
+fun Serializable.serialize(pretty: Boolean = false) = Serializer().serialize(this, pretty)
+inline fun <reified E : Serializable> E.deserialize(json: String) = Serializer().deserialize(json, this)
+inline fun <reified E : Serializable> String.deserialize() = Serializer().deserialize<E>(this)
\ No newline at end of file
diff --git a/src/test/kotlin/fr/postgresjson/ConnectionTest.kt b/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
index 18df595..e9cc617 100644
--- a/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
+++ b/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
@@ -2,6 +2,7 @@ package fr.postgresjson
 
 import fr.postgresjson.connexion.Paginated
 import fr.postgresjson.entity.IdEntity
+import fr.postgresjson.entity.Parameter
 import org.junit.Assert.*
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Test
@@ -12,6 +13,8 @@ class ConnectionTest() : TestAbstract() {
     private class ObjTest(var name: String) : IdEntity()
     private class ObjTest2(var title: String, var test: ObjTest?) : IdEntity()
     private class ObjTest3(var first: String, var seconde: String, var third: Int) : IdEntity()
+    private class ObjTestWithParameterObject(var first: ParameterObject, var seconde: ParameterObject) : IdEntity()
+    private class ParameterObject(var third: String) : Parameter
 
     @Test
     fun getObject() {
@@ -81,6 +84,19 @@ class ConnectionTest() : TestAbstract() {
         assertEquals(result.third, 123)
     }
 
+    @Test
+    fun `select one with named parameters object`() {
+        val result: ObjTestWithParameterObject? = connection.selectOne(
+            "SELECT json_build_object('first', :first::json, 'seconde', :seconde::json)",
+            mapOf(
+                "first" to ParameterObject("one"),
+                "seconde" to ParameterObject("two")
+            )
+        )
+        assertEquals("one", result!!.first.third)
+        assertEquals("two", result.seconde.third)
+    }
+
     @Test
     fun `select with named parameters`() {
         val params: Map<String, Any?> = mapOf(
diff --git a/src/test/kotlin/fr/postgresjson/RequesterTest.kt b/src/test/kotlin/fr/postgresjson/RequesterTest.kt
index 2e3c3aa..de72950 100644
--- a/src/test/kotlin/fr/postgresjson/RequesterTest.kt
+++ b/src/test/kotlin/fr/postgresjson/RequesterTest.kt
@@ -133,10 +133,10 @@ class RequesterTest : TestAbstract() {
             .getQuery("Test/selectPaginated")
             .select(1, 2, mapOf("name" to "ff"))
         Assert.assertNotNull(result)
-        Assert.assertEquals(result.result[0].name, "ff")
-        Assert.assertEquals(result.result[1].name, "ff-2")
-        Assert.assertEquals(result.total, 10)
-        Assert.assertEquals(result.offset, 0)
+        Assert.assertEquals("ff", result.result[0].name)
+        Assert.assertEquals("ff-2", result.result[1].name)
+        Assert.assertEquals(10, result.total)
+        Assert.assertEquals(0, result.offset)
     }
 
     @Test
@@ -147,10 +147,10 @@ class RequesterTest : TestAbstract() {
             .getFunction("test_function_paginated")
             .select(1, 2, mapOf("name" to "ff"))
         Assert.assertNotNull(result)
-        Assert.assertEquals(result.result[0].name, "ff")
-        Assert.assertEquals(result.result[1].name, "ff-2")
-        Assert.assertEquals(result.total, 10)
-        Assert.assertEquals(result.offset, 0)
+        Assert.assertEquals("ff", result.result[0].name)
+        Assert.assertEquals("ff-2", result.result[1].name)
+        Assert.assertEquals(10, result.total)
+        Assert.assertEquals(0, result.offset)
     }
 
     @Test