diff --git a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
index 8355ef3..70cd4c5 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
@@ -44,7 +44,7 @@ class Connection(
     }
 
     fun disconnect() {
-        connection?.run { disconnect() }
+        connection?.disconnect()
     }
 
     fun <A> inTransaction(f: (Connection) -> CompletableFuture<A>) = connect().inTransaction(f)
@@ -97,7 +97,7 @@ class Connection(
         values: List<Any?>,
         block: (QueryResult, List<R>) -> Unit
     ): List<R> {
-        val result = exec(sql, compileArgs(values))
+        val result = exec(sql, values)
         val json = result.rows[0].getString(0)
         return if (json === null) {
             listOf<EntityI>() as List<R>
diff --git a/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
index ec9f1a9..79ce38b 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
@@ -10,8 +10,19 @@ sealed interface EmbedExecutable {
     val name: String
 
     /* Select One */
+
     /**
-     * Select One entity with list of parameters
+     * Update [EntityI] with one entity as argument
+     */
+    fun <R : EntityI> update(
+        typeReference: TypeReference<R>,
+        value: R,
+        block: SelectOneCallback<R> = {}
+    ): R? =
+        selectOne(typeReference, listOf(value), block)
+
+    /**
+     * Select One [EntityI] with [List] of parameters
      */
     fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
@@ -19,26 +30,60 @@ sealed interface EmbedExecutable {
         block: SelectOneCallback<R> = {}
     ): R?
 
+    /**
+     * Select One [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
         values: Map<String, Any?>,
         block: SelectOneCallback<R> = {}
     ): R?
 
+    /**
+     * Select One [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> selectOne(
+        typeReference: TypeReference<R>,
+        vararg values: Pair<String, Any?>,
+        block: SelectOneCallback<R> = {}
+    ): R? =
+        selectOne(typeReference, values.toMap(), block)
+
     /* Select Multiples */
+
+    /**
+     * Select Multiple [EntityI] with [List] of parameters
+     */
     fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: List<Any?> = emptyList(),
         block: SelectCallback<R> = {}
     ): List<R>
 
+    /**
+     * Select Multiple [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: Map<String, Any?>,
         block: SelectCallback<R> = {}
     ): List<R>
 
+    /**
+     * Select Multiple [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> select(
+        typeReference: TypeReference<List<R>>,
+        vararg values: Pair<String, Any?>,
+        block: SelectCallback<R> = {}
+    ): List<R> =
+        select(typeReference, values.toMap(), block)
+
     /* Select Paginated */
+
+    /**
+     * Select Paginated [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> select(
         page: Int,
         limit: Int,
@@ -47,6 +92,18 @@ sealed interface EmbedExecutable {
         block: SelectPaginatedCallback<R> = {}
     ): Paginated<R>
 
+    /**
+     * Select Paginated [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> select(
+        page: Int,
+        limit: Int,
+        typeReference: TypeReference<List<R>>,
+        vararg values: Pair<String, Any?>,
+        block: SelectPaginatedCallback<R> = {}
+    ): Paginated<R> =
+        select(page, limit, typeReference, values.toMap(), block)
+
     fun exec(values: List<Any?> = emptyList()): QueryResult
     fun exec(values: Map<String, Any?>): QueryResult
     fun exec(vararg values: Pair<String, Any?>): QueryResult = exec(values.toMap())
@@ -57,6 +114,5 @@ sealed interface EmbedExecutable {
 
     fun sendQuery(values: List<Any?> = emptyList()): Int
     fun sendQuery(values: Map<String, Any?>): Int
-    fun sendQuery(vararg values: Pair<String, Any?>): Int =
-        sendQuery(values.toMap())
+    fun sendQuery(vararg values: Pair<String, Any?>): Int = sendQuery(values.toMap())
 }
diff --git a/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutableReified.kt b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutableReified.kt
new file mode 100644
index 0000000..ce64766
--- /dev/null
+++ b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutableReified.kt
@@ -0,0 +1,68 @@
+package fr.postgresjson.connexion
+
+import com.fasterxml.jackson.core.type.TypeReference
+import fr.postgresjson.entity.EntityI
+
+/* Select One */
+
+inline fun <reified R : EntityI> EmbedExecutable.update(
+    value: R,
+    noinline block: SelectOneCallback<R> = {}
+): R? =
+    update(object : TypeReference<R>() {}, value, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.selectOne(
+    values: List<Any?> = emptyList(),
+    noinline block: SelectOneCallback<R> = {}
+): R? =
+    selectOne(object : TypeReference<R>() {}, values, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.selectOne(
+    values: Map<String, Any?>,
+    noinline block: SelectOneCallback<R> = {}
+): R? =
+    selectOne(object : TypeReference<R>() {}, values, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.selectOne(
+    vararg values: Pair<String, Any?>,
+    noinline block: SelectOneCallback<R> = {}
+): R? =
+    selectOne(object : TypeReference<R>() {}, values = values, block)
+
+/* Select Multiples */
+
+inline fun <reified R : EntityI> EmbedExecutable.select(
+    values: List<Any?> = emptyList(),
+    noinline block: SelectCallback<R> = {}
+): List<R> =
+    select(object : TypeReference<List<R>>() {}, values, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.select(
+    values: Map<String, Any?>,
+    noinline block: SelectCallback<R> = {}
+): List<R> =
+    select(object : TypeReference<List<R>>() {}, values, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.select(
+    vararg values: Pair<String, Any?>,
+    noinline block: SelectCallback<R> = {}
+): List<R> =
+    select(object : TypeReference<List<R>>() {}, values = values, block)
+
+/* Select Paginated */
+
+inline fun <reified R : EntityI> EmbedExecutable.select(
+    page: Int,
+    limit: Int,
+    values: Map<String, Any?> = emptyMap(),
+    noinline block: SelectPaginatedCallback<R> = {}
+): Paginated<R> =
+    select(page, limit, object : TypeReference<List<R>>() {}, values, block)
+
+inline fun <reified R : EntityI> EmbedExecutable.select(
+    page: Int,
+    limit: Int,
+    vararg values: Pair<String, Any?>,
+    noinline block: SelectPaginatedCallback<R> = {}
+): Paginated<R> =
+    select(page, limit, object : TypeReference<List<R>>() {}, values = values, block)
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Executable.kt b/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
index 5684ebd..2a7fe5a 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
@@ -5,8 +5,23 @@ import com.github.jasync.sql.db.QueryResult
 import fr.postgresjson.entity.EntityI
 
 interface Executable {
+
     /* Select One */
 
+    /**
+     * Update [EntityI] with one entity as argument
+     */
+    fun <R : EntityI> update(
+        sql: String,
+        typeReference: TypeReference<R>,
+        value: R,
+        block: SelectOneCallback<R> = {}
+    ): R? =
+        selectOne(sql, typeReference, listOf(value), block)
+
+    /**
+     * Select One [EntityI] with [List] of parameters
+     */
     fun <R : EntityI> selectOne(
         sql: String,
         typeReference: TypeReference<R>,
@@ -14,6 +29,9 @@ interface Executable {
         block: SelectOneCallback<R> = {}
     ): R?
 
+    /**
+     * Select One [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> selectOne(
         sql: String,
         typeReference: TypeReference<R>,
@@ -21,8 +39,22 @@ interface Executable {
         block: SelectOneCallback<R> = {}
     ): R?
 
+    /**
+     * Select One [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> selectOne(
+        sql: String,
+        typeReference: TypeReference<R>,
+        vararg values: Pair<String, Any?>,
+        block: SelectOneCallback<R> = {}
+    ): R? =
+        selectOne(sql, typeReference, values.toMap(), block)
+
     /* Select Multiples */
 
+    /**
+     * Select Multiple [EntityI] with [List] of parameters
+     */
     fun <R : EntityI> select(
         sql: String,
         typeReference: TypeReference<List<R>>,
@@ -30,6 +62,9 @@ interface Executable {
         block: SelectCallback<R> = {}
     ): List<R>
 
+    /**
+     * Select Multiple [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> select(
         sql: String,
         typeReference: TypeReference<List<R>>,
@@ -37,8 +72,22 @@ interface Executable {
         block: SelectCallback<R> = {}
     ): List<R>
 
+    /**
+     * Select Multiple [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> select(
+        sql: String,
+        typeReference: TypeReference<List<R>>,
+        vararg values: Pair<String, Any?>,
+        block: SelectCallback<R> = {}
+    ): List<R> =
+        select(sql, typeReference, values.toMap(), block)
+
     /* Select Paginated */
 
+    /**
+     * Select Paginated [EntityI] with [Map] of parameters
+     */
     fun <R : EntityI> select(
         sql: String,
         page: Int,
@@ -48,8 +97,31 @@ interface Executable {
         block: SelectPaginatedCallback<R> = {}
     ): Paginated<R>
 
+    /**
+     * Select Paginated [EntityI] with multiple [Pair] of parameters
+     */
+    fun <R : EntityI> select(
+        sql: String,
+        page: Int,
+        limit: Int,
+        typeReference: TypeReference<List<R>>,
+        vararg values: Pair<String, Any?>,
+        block: SelectPaginatedCallback<R> = {}
+    ): Paginated<R> =
+        select(sql, page, limit, typeReference, values.toMap(), block)
+
+    fun <R : EntityI> exec(sql: String, value: R): QueryResult = exec(sql, listOf(value))
     fun exec(sql: String, values: List<Any?> = emptyList()): QueryResult
     fun exec(sql: String, values: Map<String, Any?>): QueryResult
+    fun exec(sql: String, vararg values: Pair<String, Any?>): QueryResult = exec(sql, values.toMap())
+
+    fun <R : EntityI> perform(sql: String, value: R) { perform(sql, listOf(value)) }
+    fun perform(sql: String, values: List<Any?>) { exec(sql, values) }
+    fun perform(sql: String, values: Map<String, Any?>) { exec(sql, values) }
+    fun perform(sql: String, vararg values: Pair<String, Any?>) = perform(sql, values.toMap())
+
+    fun <R : EntityI> sendQuery(sql: String, value: R): Int = sendQuery(sql, listOf(value))
     fun sendQuery(sql: String, values: List<Any?> = emptyList()): Int
     fun sendQuery(sql: String, values: Map<String, Any?>): Int
+    fun sendQuery(sql: String, vararg values: Pair<String, Any?>): Int = sendQuery(sql, values.toMap())
 }
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Function.kt b/src/main/kotlin/fr/postgresjson/connexion/Function.kt
index bdd73c0..613d3bf 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Function.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Function.kt
@@ -12,112 +12,64 @@ class Function(val definition: Function, override val connection: Connection) :
 
     override val name: String = definition.name
 
+    /**
+     * Update [EntityI]
+     */
+    override fun <R : EntityI> update(
+        typeReference: TypeReference<R>,
+        value: R,
+        block: (QueryResult, R?) -> Unit
+    ): R? =
+        connection.update(compileSql(value), typeReference, value, block)
+
     /* Select One */
 
     /**
-     * Select One entity with list of parameters
+     * Select One [EntityI] with [List] of parameters
      */
     override fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
         values: List<Any?>,
         block: (QueryResult, R?) -> Unit
-    ): R? {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.selectOne(sql, typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> selectOne(
-        values: List<Any?> = emptyList(),
-        noinline block: SelectOneCallback<R> = {}
     ): R? =
-        selectOne(object : TypeReference<R>() {}, values, block)
-
-    inline fun <reified R : EntityI> selectOne(
-        value: R,
-        noinline block: SelectOneCallback<R> = {}
-    ): R? =
-        selectOne(object : TypeReference<R>() {}, listOf(value), block)
+        connection.selectOne(compileSql(values), typeReference, values, block)
 
     /**
-     * Select One entity with named parameters
+     * Select One [EntityI] with named parameters
      */
     override fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
         values: Map<String, Any?>,
         block: (QueryResult, R?) -> Unit
-    ): R? {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.selectOne(sql, typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> selectOne(
-        values: Map<String, Any?>,
-        noinline block: SelectOneCallback<R> = {}
     ): R? =
-        selectOne(object : TypeReference<R>() {}, values, block)
-
-    inline fun <reified R : EntityI> selectOne(
-        vararg values: Pair<String, Any?>,
-        noinline block: SelectOneCallback<R> = {}
-    ): R? =
-        selectOne(values.toMap(), block)
+        connection.selectOne(compileSql(values), typeReference, values, block)
 
     /* Select Multiples */
 
     /**
-     * Select list of entities with list of parameters
+     * Select multiple [EntityI] with [List] of parameters
      */
     override fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: List<Any?>,
         block: (QueryResult, List<R>) -> Unit
-    ): List<R> {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.select(sql, typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> select(
-        values: List<Any?> = emptyList(),
-        noinline block: SelectCallback<R> = {}
     ): List<R> =
-        select(object : TypeReference<List<R>>() {}, values, block)
+        connection.select(compileSql(values), typeReference, values, block)
 
     /**
-     * Select list of entities with named parameters
+     * Select multiple [EntityI] with named parameters
      */
     override fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: Map<String, Any?>,
         block: (QueryResult, List<R>) -> Unit
-    ): List<R> {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.select(sql, typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> select(
-        values: Map<String, Any?>,
-        noinline block: SelectCallback<R> = {}
     ): List<R> =
-        select(object : TypeReference<List<R>>() {}, values, block)
-
-    inline fun <reified R : EntityI> select(
-        vararg values: Pair<String, Any?>,
-        noinline block: SelectCallback<R> = {}
-    ): List<R> =
-        select(values.toMap(), block)
+        connection.select(compileSql(values), typeReference, values, block)
 
     /* Select Paginated */
 
     /**
-     * Select Multiple with pagination
+     * Select Multiple [EntityI] with pagination
      */
     override fun <R : EntityI> select(
         page: Int,
@@ -131,43 +83,14 @@ class Function(val definition: Function, override val connection: Connection) :
             .plus("offset" to offset)
             .plus("limit" to limit)
 
-        val args = compileArgs(newValues)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.select(sql, page, limit, typeReference, values, block)
+        return connection.select(compileSql(newValues), page, limit, typeReference, values, block)
     }
 
-    inline fun <reified R : EntityI> select(
-        page: Int,
-        limit: Int,
-        values: Map<String, Any?> = emptyMap(),
-        noinline block: SelectPaginatedCallback<R> = {}
-    ): Paginated<R> =
-        select(page, limit, object : TypeReference<List<R>>() {}, values, block)
+    /* Execute function without treatments */
 
-    inline fun <reified R : EntityI> select(
-        page: Int,
-        limit: Int,
-        vararg values: Pair<String, Any?>,
-        noinline block: SelectPaginatedCallback<R> = {}
-    ): Paginated<R> =
-        select(page, limit, object : TypeReference<List<R>>() {}, values.toMap(), block)
+    override fun exec(values: List<Any?>): QueryResult = connection.exec(compileSql(values), values)
 
-    /* Execute function without traitements */
-
-    override fun exec(values: List<Any?>): QueryResult {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.exec(sql, values)
-    }
-
-    override fun exec(values: Map<String, Any?>): QueryResult {
-        val args = compileArgs(values)
-        val sql = "SELECT * FROM ${definition.name} ($args)"
-
-        return connection.exec(sql, values)
-    }
+    override fun exec(values: Map<String, Any?>): QueryResult = connection.exec(compileSql(values), values)
 
     override fun sendQuery(values: List<Any?>): Int {
         exec(values)
@@ -179,6 +102,8 @@ class Function(val definition: Function, override val connection: Connection) :
         return 0
     }
 
+    private fun <R : EntityI> compileArgs(value: R): String = compileArgs(listOf(value))
+
     private fun compileArgs(values: List<Any?>): String {
         val placeholders = values
             .filterIndexed { index, value ->
@@ -205,4 +130,8 @@ class Function(val definition: Function, override val connection: Connection) :
 
         return placeholders.joinToString(separator = ", ")
     }
+
+    private fun <R : EntityI> compileSql(value: R): String = "SELECT * FROM ${definition.name} (${compileArgs(value)})"
+    private fun compileSql(values: List<Any?>): String = "SELECT * FROM ${definition.name} (${compileArgs(values)})"
+    private fun compileSql(values: Map<String, Any?>): String = "SELECT * FROM ${definition.name} (${compileArgs(values)})"
 }
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Query.kt b/src/main/kotlin/fr/postgresjson/connexion/Query.kt
index 620cdff..4567cfd 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Query.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Query.kt
@@ -9,101 +9,78 @@ class Query(override val name: String, private val sql: String, override val con
         return sql
     }
 
+    /**
+     * Update [EntityI]
+     */
+    override fun <R : EntityI> update(
+        typeReference: TypeReference<R>,
+        value: R,
+        block: (QueryResult, R?) -> Unit
+    ): R? =
+        connection.update(sql, typeReference, value, block)
+
     /* Select One */
 
+    /**
+     * Select One [EntityI] with [List] of parameters
+     */
     override fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
         values: List<Any?>,
         block: (QueryResult, R?) -> Unit
-    ): R? {
-        return connection.selectOne(this.toString(), typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> selectOne(
-        values: List<Any?> = emptyList(),
-        noinline block: SelectOneCallback<R> = {}
     ): R? =
-        selectOne(object : TypeReference<R>() {}, values, block)
+        connection.selectOne(sql, typeReference, values, block)
 
+    /**
+     * Select One [EntityI] with named parameters
+     */
     override fun <R : EntityI> selectOne(
         typeReference: TypeReference<R>,
         values: Map<String, Any?>,
         block: (QueryResult, R?) -> Unit
-    ): R? {
-        return connection.selectOne(this.toString(), typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> selectOne(
-        values: Map<String, Any?>,
-        noinline block: SelectOneCallback<R> = {}
     ): R? =
-        selectOne(object : TypeReference<R>() {}, values, block)
+        connection.selectOne(sql, typeReference, values, block)
 
     /* Select Multiples */
 
+    /**
+     * Select multiple [EntityI] with [List] of parameters
+     */
     override fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: List<Any?>,
         block: (QueryResult, List<R>) -> Unit
-    ): List<R> {
-        return connection.select(this.toString(), typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> select(
-        values: List<Any?> = emptyList(),
-        noinline block: SelectCallback<R> = {}
     ): List<R> =
-        select(object : TypeReference<List<R>>() {}, values, block)
+        connection.select(sql, typeReference, values, block)
 
     override fun <R : EntityI> select(
         typeReference: TypeReference<List<R>>,
         values: Map<String, Any?>,
         block: (QueryResult, List<R>) -> Unit
-    ): List<R> {
-        return connection.select(this.toString(), typeReference, values, block)
-    }
-
-    inline fun <reified R : EntityI> select(
-        values: Map<String, Any?>,
-        noinline block: SelectCallback<R> = {}
     ): List<R> =
-        select(object : TypeReference<List<R>>() {}, values, block)
+        connection.select(sql, typeReference, values, block)
 
+    /* Select Paginated */
+
+    /**
+     * Select Multiple [EntityI] with pagination
+     */
     override fun <R : EntityI> select(
         page: Int,
         limit: Int,
         typeReference: TypeReference<List<R>>,
         values: Map<String, Any?>,
         block: (QueryResult, Paginated<R>) -> Unit
-    ): Paginated<R> {
-        return connection.select(this.toString(), page, limit, typeReference, values, block)
-    }
-
-    /* Select Paginated */
-
-    inline fun <reified R : EntityI> select(
-        page: Int,
-        limit: Int,
-        values: Map<String, Any?> = emptyMap(),
-        noinline block: SelectPaginatedCallback<R> = {}
     ): Paginated<R> =
-        select(page, limit, object : TypeReference<List<R>>() {}, values, block)
+        connection.select(sql, page, limit, typeReference, values, block)
 
-    /* Execute function without traitements */
+    /* Execute function without treatments */
 
-    override fun exec(values: List<Any?>): QueryResult {
-        return connection.exec(sql, values)
-    }
+    override fun exec(values: List<Any?>): QueryResult = connection.exec(sql, values)
 
-    override fun exec(values: Map<String, Any?>): QueryResult {
-        return connection.exec(sql, values)
-    }
+    override fun exec(values: Map<String, Any?>): QueryResult = connection.exec(sql, values)
 
-    override fun sendQuery(values: List<Any?>): Int {
-        return connection.sendQuery(sql, values)
-    }
+    override fun sendQuery(values: List<Any?>): Int = connection.sendQuery(sql, values)
 
-    override fun sendQuery(values: Map<String, Any?>): Int {
-        return connection.sendQuery(sql, values)
-    }
+    override fun sendQuery(values: Map<String, Any?>): Int = connection.sendQuery(sql, values)
 }
diff --git a/src/test/kotlin/fr/postgresjson/ConnectionTest.kt b/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
index 8dfdc3e..a0645ac 100644
--- a/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
+++ b/src/test/kotlin/fr/postgresjson/ConnectionTest.kt
@@ -12,7 +12,7 @@ import org.junit.jupiter.api.TestInstance
 import java.util.UUID
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class ConnectionTest() : TestAbstract() {
+class ConnectionTest : TestAbstract() {
     private class ObjTest(val name: String, id: UUID = UUID.fromString("2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00")) : UuidEntity(id)
     private class ObjTest2(val title: String, var test: ObjTest?) : UuidEntity()
     private class ObjTest3(val first: String, var seconde: String, var third: Int) : UuidEntity()
diff --git a/src/test/kotlin/fr/postgresjson/EntityTest.kt b/src/test/kotlin/fr/postgresjson/EntityTest.kt
index 7b49fdb..1111f8d 100644
--- a/src/test/kotlin/fr/postgresjson/EntityTest.kt
+++ b/src/test/kotlin/fr/postgresjson/EntityTest.kt
@@ -16,11 +16,11 @@ import java.util.UUID
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 class EntityTest() {
     private class User(id: UUID = UUID.randomUUID()) : Entity<UUID>(id)
-    private class ObjTest(var name: String) : UuidEntityExtended<Int?, User>(User(), User())
+    private class ObjTest(val name: String) : UuidEntityExtended<Int?, User>(User(), User())
 
     @Test
     fun getObject() {
-        val obj: ObjTest? = ObjTest("plop")
+        val obj = ObjTest("plop")
         assertTrue(obj is ObjTest)
         assertTrue(obj is UuidEntityExtended<Int?, User>)
         assertTrue(obj is EntityI)
diff --git a/src/test/kotlin/fr/postgresjson/MigrationTest.kt b/src/test/kotlin/fr/postgresjson/MigrationTest.kt
index 0e4ed2f..6d97a34 100644
--- a/src/test/kotlin/fr/postgresjson/MigrationTest.kt
+++ b/src/test/kotlin/fr/postgresjson/MigrationTest.kt
@@ -1,6 +1,7 @@
 package fr.postgresjson
 
 import fr.postgresjson.connexion.Requester
+import fr.postgresjson.connexion.selectOne
 import fr.postgresjson.migration.Migration
 import fr.postgresjson.migration.Migrations
 import org.amshove.kluent.`should be equal to`
@@ -13,10 +14,10 @@ import org.junit.jupiter.api.TestInstance
 import java.util.UUID
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class MigrationTest() : TestAbstract() {
+class MigrationTest : TestAbstract() {
     @Test
     fun `run up query`() {
-        val resources = this::class.java.getResource("/sql/migrations").toURI()
+        val resources = this::class.java.getResource("/sql/migrations")!!.toURI()
         val m = Migrations(connection, resources)
         m.up().apply {
             this `should contain` Pair("1", Migration.Status.OK)
@@ -28,7 +29,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `migration up Query should throw error if no down`() {
-        val resources = this::class.java.getResource("/sql/migration_without_down").toURI()
+        val resources = this::class.java.getResource("/sql/migration_without_down")!!.toURI()
         invoking {
             Migrations(resources, connection)
         } shouldThrow Migrations.DownMigrationNotDefined::class
@@ -36,7 +37,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run forced down query`() {
-        val resources = this::class.java.getResource("/sql/migrations").toURI()
+        val resources = this::class.java.getResource("/sql/migrations")!!.toURI()
         val m = Migrations(resources, connection)
         repeat(3) {
             m.down(true).apply {
@@ -48,7 +49,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run dry migrations`() {
-        val resources = this::class.java.getResource("/sql/real_migrations").toURI()
+        val resources = this::class.java.getResource("/sql/real_migrations")!!.toURI()
         Migrations(resources, connection).apply {
             runDry().size `should be equal to` 2
         }
@@ -59,7 +60,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run dry migrations launch twice`() {
-        val resources = this::class.java.getResource("/sql/real_migrations").toURI()
+        val resources = this::class.java.getResource("/sql/real_migrations")!!.toURI()
         Migrations(resources, connection).apply {
             runDry().size `should be equal to` 2
             runDry().size `should be equal to` 2
@@ -68,7 +69,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run migrations`() {
-        val resources = this::class.java.getResource("/sql/real_migrations").toURI()
+        val resources = this::class.java.getResource("/sql/real_migrations")!!.toURI()
         Migrations(resources, connection).apply {
             run().apply {
                 size `should be equal to` 1
@@ -78,8 +79,8 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run migrations force down`() {
-        val resources = this::class.java.getResource("/sql/real_migrations").toURI()
-        val resourcesFunctions = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/real_migrations")!!.toURI()
+        val resourcesFunctions = this::class.java.getResource("/sql/function/Test")!!.toURI()
         Migrations(listOf(resources, resourcesFunctions), connection).apply {
             up().apply {
                 size `should be equal to` 6
@@ -94,7 +95,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run functions migrations`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")!!.toURI()
         Migrations(resources, connection).apply {
             run().size `should be equal to` 5
         }
@@ -109,7 +110,7 @@ class MigrationTest() : TestAbstract() {
 
     @Test
     fun `run functions migrations and drop if exist`() {
-        val resources = this::class.java.getResource("/sql/function/Test1").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test1")!!.toURI()
         Migrations(resources, connection).apply {
             run().size `should be equal to` 1
         }
@@ -121,7 +122,7 @@ class MigrationTest() : TestAbstract() {
         Assertions.assertEquals(objTest!!.id, UUID.fromString("457daad5-4f1b-4eb7-80ec-6882adb8cc7d"))
         Assertions.assertEquals(objTest.name, "test")
 
-        val resources2 = this::class.java.getResource("/sql/function/Test2").toURI()
+        val resources2 = this::class.java.getResource("/sql/function/Test2")!!.toURI()
         Migrations(resources2, connection).apply {
             run().size `should be equal to` 1
         }
diff --git a/src/test/kotlin/fr/postgresjson/RequesterTest.kt b/src/test/kotlin/fr/postgresjson/RequesterTest.kt
index 5f737a4..8a529ef 100644
--- a/src/test/kotlin/fr/postgresjson/RequesterTest.kt
+++ b/src/test/kotlin/fr/postgresjson/RequesterTest.kt
@@ -4,6 +4,9 @@ import fr.postgresjson.connexion.Paginated
 import fr.postgresjson.connexion.Requester
 import fr.postgresjson.connexion.Requester.NoFunctionDefined
 import fr.postgresjson.connexion.Requester.NoQueryDefined
+import fr.postgresjson.connexion.select
+import fr.postgresjson.connexion.selectOne
+import fr.postgresjson.connexion.update
 import fr.postgresjson.entity.UuidEntity
 import org.junit.Assert
 import org.junit.jupiter.api.Assertions.assertEquals
@@ -16,7 +19,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `requester constructor empty`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")!!.toURI()
         val name: String = Requester(connection)
             .apply { addFunctions(resources) }
             .getFunction("test_function")
@@ -27,7 +30,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `requester constructor function directory`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val name: String = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .name
@@ -37,7 +40,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `requester constructor query directory`() {
-        val resources = this::class.java.getResource("/sql/query/Test").toURI()
+        val resources = this::class.java.getResource("/sql/query/Test")?.toURI()
         val name: String = Requester(connection, queriesDirectory = resources)
             .getQuery("DeleteTest")
             .name
@@ -47,7 +50,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `function toString`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val name: String = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .toString()
@@ -88,7 +91,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `get query from file`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")!!.toURI()
         val objTest: ObjTest? = Requester(connection)
             .apply { addQuery(resources) }
             .getQuery("selectOne")
@@ -100,7 +103,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `get query from file with wrong name throw exception`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         assertThrows(NoQueryDefined::class.java) {
             Requester(connection, queriesDirectory = resources)
                 .getQuery("wrongName")
@@ -109,7 +112,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `get queries from file`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val name: String = Requester(connection, queriesDirectory = resources)
             .getQueries()[0].name
 
@@ -118,7 +121,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `get function from file with wrong name throw exception`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         assertThrows(NoFunctionDefined::class.java) {
             Requester(connection, functionsDirectory = resources)
                 .getFunction("wrongName")
@@ -127,7 +130,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `get function from file`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val objTest: ObjTest? = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .selectOne(listOf("test", "plip"))
@@ -138,7 +141,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call exec on query`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val result = Requester(connection, queriesDirectory = resources)
             .getQuery("selectOne")
             .exec()
@@ -148,7 +151,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call exec on function`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val result = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .exec(listOf("test", "plip"))
@@ -158,7 +161,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call sendQuery on query with name`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val result = Requester(connection, queriesDirectory = resources)
             .getQuery("DeleteTest")
             .sendQuery()
@@ -168,7 +171,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call sendQuery on function`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val result = Requester(connection, functionsDirectory = resources)
             .getFunction("function_void")
             .sendQuery(listOf("test"))
@@ -178,7 +181,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on function`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val obj: ObjTest = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .selectOne(mapOf("name" to "myName"))!!
@@ -188,7 +191,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on function with object and named argument`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val obj2 = ObjTest("original")
         val obj: ObjTest = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function_object")
@@ -200,11 +203,11 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on function with object`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val obj2 = ObjTest("original")
         val obj: ObjTest = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function_object")
-            .selectOne(obj2)!!
+            .update(obj2)!!
 
         assertEquals("changedName", obj.name)
         assertEquals("original", obj2.name)
@@ -212,7 +215,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on function with object and no arguments`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
         val obj: ObjTest = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function")
             .selectOne()!!
@@ -222,7 +225,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on query`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val obj: ObjTest = Requester(connection, queriesDirectory = resources)
             .getQuery("selectOneWithParameters")
             .selectOne(mapOf("name" to "myName"))!!
@@ -232,27 +235,60 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call select (multiple) on function with named argument`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
-        val obj: List<ObjTest>? = Requester(connection, functionsDirectory = resources)
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
+        val obj: List<ObjTest> = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function_multiple")
             .select(mapOf("name" to "myName"))
 
-        assertEquals("myName", obj!![0].name)
+        assertEquals("myName", obj[0].name)
     }
 
     @Test
     fun `call select (multiple) on function with ordered arguments`() {
-        val resources = this::class.java.getResource("/sql/function/Test").toURI()
-        val obj: List<ObjTest>? = Requester(connection, functionsDirectory = resources)
+        val resources = this::class.java.getResource("/sql/function/Test")?.toURI()
+        val obj: List<ObjTest> = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function_multiple")
             .select(listOf("myName"))
 
-        assertEquals("myName", obj!![0].name)
+        assertEquals("myName", obj[0].name)
+    }
+
+    @Test
+    fun `call select multiple (named arguments)`() {
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
+        val result: List<ObjTest> = Requester(connection, queriesDirectory = resources)
+            .getQuery("selectMultiple")
+            .select(mapOf("name" to "ff"))
+        Assert.assertNotNull(result)
+        Assert.assertEquals("ff", result[0].name)
+        Assert.assertEquals("ff-2", result[1].name)
+    }
+
+    @Test
+    fun `call select multiple (named arguments as pair)`() {
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
+        val result: List<ObjTest> = Requester(connection, queriesDirectory = resources)
+            .getQuery("selectMultiple")
+            .select("name" to "ff")
+        Assert.assertNotNull(result)
+        Assert.assertEquals("ff", result[0].name)
+        Assert.assertEquals("ff-2", result[1].name)
+    }
+
+    @Test
+    fun `call select multiple (ordered argument)`() {
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
+        val result: List<ObjTest> = Requester(connection, queriesDirectory = resources)
+            .getQuery("selectMultipleOrderedArgs")
+            .select(listOf("ff", "aa"))
+        Assert.assertNotNull(result)
+        Assert.assertEquals("ff", result[0].name)
+        Assert.assertEquals("aa-2", result[1].name)
     }
 
     @Test
     fun `call select paginated on query`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val result: Paginated<ObjTest> = Requester(connection, queriesDirectory = resources)
             .getQuery("selectPaginated")
             .select(1, 2, mapOf("name" to "ff"))
@@ -265,7 +301,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call select paginated on function`() {
-        val resources = this::class.java.getResource("/sql/function").toURI()
+        val resources = this::class.java.getResource("/sql/function")?.toURI()
         val result: Paginated<ObjTest> = Requester(connection, functionsDirectory = resources)
             .getFunction("test_function_paginated")
             .select(1, 2, mapOf("name" to "ff"))
@@ -278,7 +314,7 @@ class RequesterTest : TestAbstract() {
 
     @Test
     fun `call selectOne on query with extra parameter`() {
-        val resources = this::class.java.getResource("/sql/query").toURI()
+        val resources = this::class.java.getResource("/sql/query")?.toURI()
         val obj: ObjTest = Requester(connection, queriesDirectory = resources)
             .getQuery("selectOneWithParameters")
             .selectOne(mapOf("name" to "myName")) {
diff --git a/src/test/kotlin/fr/postgresjson/SerializerTest.kt b/src/test/kotlin/fr/postgresjson/SerializerTest.kt
index eee238f..b8d7b3a 100644
--- a/src/test/kotlin/fr/postgresjson/SerializerTest.kt
+++ b/src/test/kotlin/fr/postgresjson/SerializerTest.kt
@@ -2,7 +2,6 @@ package fr.postgresjson
 
 import fr.postgresjson.entity.UuidEntity
 import fr.postgresjson.serializer.Serializer
-import fr.postgresjson.serializer.deserialize
 import fr.postgresjson.serializer.serialize
 import org.joda.time.DateTime
 import org.junit.jupiter.api.Assertions.assertEquals
@@ -21,7 +20,6 @@ internal class SerializerTest {
 
     private val objSerialized: String = """{"val1":"plop","val2":123,"id":"829b1a29-5db8-47f9-9562-961c561ac528"}"""
     private val objSerializedWithExtra: String = """{"val1":"plop","val2":123,"id":"829b1a29-5db8-47f9-9562-961c561ac528","toto":"tata"}"""
-    private val objSerializedUpdate = """{"val1":"update","val2":123}"""
     private lateinit var obj: ObjTest
 
     @BeforeEach
diff --git a/src/test/kotlin/fr/postgresjson/TestAbstract.kt b/src/test/kotlin/fr/postgresjson/TestAbstract.kt
index dce0d78..433ed07 100644
--- a/src/test/kotlin/fr/postgresjson/TestAbstract.kt
+++ b/src/test/kotlin/fr/postgresjson/TestAbstract.kt
@@ -13,7 +13,7 @@ abstract class TestAbstract {
 
     @BeforeEach
     fun beforeAll() {
-        val initSQL = File(this::class.java.getResource("/fixtures/init.sql").toURI())
+        val initSQL = File(this::class.java.getResource("/fixtures/init.sql")!!.toURI())
         connection
             .connect()
             .sendQuery(initSQL.readText())
@@ -22,9 +22,9 @@ abstract class TestAbstract {
 
     @AfterEach
     fun afterAll() {
-        val downSQL = File(this::class.java.getResource("/fixtures/down.sql").toURI())
-        connection.connect().apply {
-            sendQuery(downSQL.readText()).join()
-        }.disconnect()
+        val downSQL = File(this::class.java.getResource("/fixtures/down.sql")!!.toURI())
+        connection
+            .apply { connect().sendQuery(downSQL.readText()).join() }
+            .disconnect()
     }
 }
diff --git a/src/test/resources/sql/query/Test/selectMultiple.sql b/src/test/resources/sql/query/Test/selectMultiple.sql
new file mode 100644
index 0000000..a8e41d6
--- /dev/null
+++ b/src/test/resources/sql/query/Test/selectMultiple.sql
@@ -0,0 +1,4 @@
+SELECT json_build_array(
+   json_build_object('id', '457daad5-4f1b-4eb7-80ec-6882adb8cc7d', 'name', :name::text),
+   json_build_object('id', '6085c12e-e94d-4ae1-b7ad-23acc7a82a98', 'name', :name::text || '-2')
+)
\ No newline at end of file
diff --git a/src/test/resources/sql/query/Test/selectMultipleOrderedArgs.sql b/src/test/resources/sql/query/Test/selectMultipleOrderedArgs.sql
new file mode 100644
index 0000000..b7764a4
--- /dev/null
+++ b/src/test/resources/sql/query/Test/selectMultipleOrderedArgs.sql
@@ -0,0 +1,4 @@
+SELECT json_build_array(
+   json_build_object('id', '457daad5-4f1b-4eb7-80ec-6882adb8cc7d', 'name', ?::text),
+   json_build_object('id', '6085c12e-e94d-4ae1-b7ad-23acc7a82a98', 'name', ?::text || '-2')
+)
\ No newline at end of file