diff --git a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
index 1bd52d6..4113686 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
@@ -38,7 +38,12 @@ class Connection(
 
     fun <A> inTransaction(f: (Connection) -> CompletableFuture<A>) = connect().inTransaction(f)
 
-    override fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<R>, values: List<Any?>, block: (QueryResult, R?) -> Unit): R? {
+    override fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<R>,
+        values: List<Any?>,
+        block: (QueryResult, R?) -> Unit
+    ): R? {
         val result = exec(sql, compileArgs(values))
         val json = result.rows[0].getString(0)
         return if (json === null) {
@@ -50,19 +55,37 @@ class Connection(
         }
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(sql: String, values: List<Any?> = emptyList(), noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        sql: String,
+        values: List<Any?> = emptyList(),
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(sql, object: TypeReference<R>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<R>, values: Map<String, Any?>, block: (QueryResult, R?) -> Unit): R? {
+    override fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<R>,
+        values: Map<String, Any?>,
+        block: (QueryResult, R?) -> Unit
+    ): R? {
         return replaceArgs(sql, values) {
             select(this.sql, typeReference, this.parameters, block)
         }
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(sql: String, values: Map<String, Any?>, noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        sql: String,
+        values: Map<String, Any?>,
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(sql, object: TypeReference<R>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<List<R>>, values: List<Any?>, block: (QueryResult, List<R>) -> Unit): List<R> {
+    override fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<List<R>>,
+        values: List<Any?>,
+        block: (QueryResult, List<R>) -> Unit
+    ): List<R> {
         val result = exec(sql, compileArgs(values))
         val json = result.rows[0].getString(0)
         return if (json === null) {
@@ -74,7 +97,11 @@ class Connection(
         }
     }
 
-    inline fun <reified R: EntityI<*>> select(sql: String, values: List<Any?> = emptyList(), noinline block: SelectCallback<R> = {}): List<R> =
+    inline fun <reified R: EntityI<*>> select(
+        sql: String,
+        values: List<Any?> = emptyList(),
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(sql, object: TypeReference<List<R>>() {}, values, block)
 
     override fun <R: EntityI<*>> select(
@@ -132,7 +159,11 @@ class Connection(
         }
     }
 
-    inline fun <reified R: EntityI<*>> select(sql: String, values: Map<String, Any?>, noinline block: SelectCallback<R> = {}): List<R> =
+    inline fun <reified R: EntityI<*>> select(
+        sql: String,
+        values: Map<String, Any?>,
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(sql, object: TypeReference<List<R>>() {}, values, block)
 
     override fun exec(sql: String, values: List<Any?>): QueryResult {
@@ -184,7 +215,7 @@ class Connection(
     data class ParametersQuery(val sql: String, val parameters: List<Any?>)
 
     private fun <T> stopwatchQuery(sql: String, values: List<Any?> = emptyList(), callback: () -> T): T {
-        val sqlForLog = "\n"+sql.prependIndent()
+        val sqlForLog = "\n${sql.prependIndent()}"
         try {
             val start = System.currentTimeMillis()
             val result = callback()
diff --git a/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
index 773c72e..7818fdf 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/EmbedExecutable.kt
@@ -8,13 +8,43 @@ interface EmbedExecutable {
     val connection: Connection
     override fun toString(): String
 
-    fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: List<Any?> = emptyList(), block: SelectOneCallback<R> = {}): R?
-    fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: Map<String, Any?>, block: SelectOneCallback<R> = {}): R?
+    /* Select One */
+    /**
+     * Select One entity with list of parameters
+     */
+    fun <R: EntityI<*>> select(
+        typeReference: TypeReference<R>,
+        values: List<Any?> = emptyList(),
+        block: SelectOneCallback<R> = {}
+    ): R?
 
-    fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: List<Any?> = emptyList(), block: SelectCallback<R> = {}): List<R>
-    fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: SelectCallback<R> = {}): List<R>
+    fun <R: EntityI<*>> select(
+        typeReference: TypeReference<R>,
+        values: Map<String, Any?>,
+        block: SelectOneCallback<R> = {}
+    ): R?
 
-    fun <R: EntityI<*>> select(page: Int, limit: Int, typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: SelectPaginatedCallback<R> = {}): Paginated<R>
+    /* Select Miltiples */
+    fun <R: EntityI<*>> select(
+        typeReference: TypeReference<List<R>>,
+        values: List<Any?> = emptyList(),
+        block: SelectCallback<R> = {}
+    ): List<R>
+
+    fun <R: EntityI<*>> select(
+        typeReference: TypeReference<List<R>>,
+        values: Map<String, Any?>,
+        block: SelectCallback<R> = {}
+    ): List<R>
+
+    /* Select Paginated */
+    fun <R: EntityI<*>> select(
+        page: Int,
+        limit: Int,
+        typeReference: TypeReference<List<R>>,
+        values: Map<String, Any?>,
+        block: SelectPaginatedCallback<R> = {}
+    ): Paginated<R>
 
     fun exec(values: List<Any?> = emptyList()): QueryResult
     fun exec(values: Map<String, Any?>): QueryResult
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Executable.kt b/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
index 7cb599b..08daedd 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Executable.kt
@@ -5,11 +5,49 @@ import com.github.jasync.sql.db.QueryResult
 import fr.postgresjson.entity.EntityI
 
 interface Executable {
-    fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<R>, values: List<Any?> = emptyList(), block: SelectOneCallback<R> = {}): R?
-    fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<R>, values: Map<String, Any?>, block: SelectOneCallback<R> = {}): R?
-    fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<List<R>>, values: List<Any?> = emptyList(), block: SelectCallback<R> = {}): List<R>
-    fun <R: EntityI<*>> select(sql: String, typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: SelectCallback<R> = {}): List<R>
-    fun <R: EntityI<*>> select(sql: String, page: Int, limit: Int, typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: SelectPaginatedCallback<R> = {}): Paginated<R>
+    /* Select One */
+
+    fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<R>,
+        values: List<Any?> = emptyList(),
+        block: SelectOneCallback<R> = {}
+    ): R?
+
+    fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<R>,
+        values: Map<String, Any?>,
+        block: SelectOneCallback<R> = {}
+    ): R?
+
+    /* Select Miltiples */
+
+    fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<List<R>>,
+        values: List<Any?> = emptyList(),
+        block: SelectCallback<R> = {}
+    ): List<R>
+
+    fun <R: EntityI<*>> select(
+        sql: String,
+        typeReference: TypeReference<List<R>>,
+        values: Map<String, Any?>,
+        block: SelectCallback<R> = {}
+    ): List<R>
+
+    /* Select Paginated */
+
+    fun <R: EntityI<*>> select(
+        sql: String,
+        page: Int,
+        limit: Int,
+        typeReference: TypeReference<List<R>>,
+        values: Map<String, Any?>,
+        block: SelectPaginatedCallback<R> = {}
+    ): Paginated<R>
+
     fun exec(sql: String, values: List<Any?> = emptyList()): QueryResult
     fun exec(sql: String, values: Map<String, Any?>): QueryResult
     fun sendQuery(sql: String): QueryResult
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Function.kt b/src/main/kotlin/fr/postgresjson/connexion/Function.kt
index ac2c095..69877e9 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Function.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Function.kt
@@ -10,59 +10,102 @@ class Function(val definition: Function, override val connection: Connection): E
         return definition.name
     }
 
+    /* Select One */
+
     /**
      * Select One entity with list of parameters
      */
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: List<Any?>, block: (QueryResult, R?) -> Unit): R? {
+    override fun <R: EntityI<*>> select(
+        typeReference: TypeReference<R>,
+        values: List<Any?>,
+        block: (QueryResult, R?) -> Unit
+    ): R? {
         val args = compileArgs(values)
         val sql = "SELECT * FROM ${definition.name} ($args)"
 
         return connection.select(sql, typeReference, values, block)
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(values: List<Any?> = emptyList(), noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        values: List<Any?> = emptyList(),
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(object: TypeReference<R>() {}, values, block)
 
     /**
      * Select One entity with named parameters
      */
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: Map<String, Any?>, block: (QueryResult, R?) -> Unit): R? {
+    override fun <R: EntityI<*>> select(
+        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.select(sql, typeReference, values, block)
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(values: Map<String, Any?>, noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        values: Map<String, Any?>,
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(object: TypeReference<R>() {}, values, block)
 
+    /* Select Multiples */
+
     /**
      * Select list of entities with list of parameters
      */
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: List<Any?>, block: (QueryResult, List<R>) -> Unit): List<R> {
+    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> =
+    inline fun <reified R: EntityI<*>> select(
+        values: List<Any?> = emptyList(),
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(object: TypeReference<List<R>>() {}, values, block)
 
     /**
      * Select list of entities with named parameters
      */
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: (QueryResult, List<R>) -> Unit): List<R> {
+    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> =
+    inline fun <reified R: EntityI<*>> select(
+        values: Map<String, Any?>,
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(object: TypeReference<List<R>>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(page: Int, limit: Int, typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: (QueryResult, Paginated<R>) -> Unit): Paginated<R> {
+    /* Select Paginated */
+
+    /**
+     * Select Multiple 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> {
         val offset = (page - 1) * limit
         val newValues = values
             .plus("offset" to offset)
@@ -73,9 +116,17 @@ class Function(val definition: Function, override val connection: Connection): E
 
         return connection.select(sql, 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> =
+
+    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 traitements */
+
     override fun exec(values: List<Any?>): QueryResult {
         val args = compileArgs(values)
         val sql = "SELECT * FROM ${definition.name} ($args)"
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Query.kt b/src/main/kotlin/fr/postgresjson/connexion/Query.kt
index 5a35ad4..692c802 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Query.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Query.kt
@@ -10,40 +10,88 @@ class Query(private val sql: String, override val connection: Connection): Embed
         return sql
     }
 
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: List<Any?>, block: (QueryResult, R?) -> Unit): R? {
+    /* Select One */
+
+    override fun <R: EntityI<*>> select(
+        typeReference: TypeReference<R>,
+        values: List<Any?>,
+        block: (QueryResult, R?) -> Unit
+    ): R? {
         return connection.select(this.toString(), typeReference, values, block)
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(values: List<Any?> = emptyList(), noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        values: List<Any?> = emptyList(),
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(object: TypeReference<R>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<R>, values: Map<String, Any?>, block: (QueryResult, R?) -> Unit): R? {
+    override fun <R: EntityI<*>> select(
+        typeReference: TypeReference<R>,
+        values: Map<String, Any?>,
+        block: (QueryResult, R?) -> Unit
+    ): R? {
         return connection.select(this.toString(), typeReference, values, block)
     }
 
-    inline fun <reified R: EntityI<*>> selectOne(values: Map<String, Any?>, noinline block: SelectOneCallback<R> = {}): R? =
+    inline fun <reified R: EntityI<*>> selectOne(
+        values: Map<String, Any?>,
+        noinline block: SelectOneCallback<R> = {}
+    ): R? =
         select(object: TypeReference<R>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: List<Any?>, block: (QueryResult, List<R>) -> Unit): List<R> {
+    /* Select Multiples */
+
+    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> =
+    inline fun <reified R: EntityI<*>> select(
+        values: List<Any?> = emptyList(),
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(object: TypeReference<List<R>>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: (QueryResult, List<R>) -> Unit): List<R> {
+    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> =
+    inline fun <reified R: EntityI<*>> select(
+        values: Map<String, Any?>,
+        noinline block: SelectCallback<R> = {}
+    ): List<R> =
         select(object: TypeReference<List<R>>() {}, values, block)
 
-    override fun <R: EntityI<*>> select(page: Int, limit: Int, typeReference: TypeReference<List<R>>, values: Map<String, Any?>, block: (QueryResult, Paginated<R>) -> Unit): Paginated<R> {
+    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)
     }
-    inline fun <reified R: EntityI<*>> select(page: Int, limit: Int, values: Map<String, Any?> = emptyMap(), noinline block: SelectPaginatedCallback<R> = {}): Paginated<R> =
+
+    /* 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)
 
+    /* Execute function without traitements */
+
     override fun exec(values: List<Any?>): QueryResult {
         return connection.exec(sql, values)
     }
diff --git a/src/main/kotlin/fr/postgresjson/connexion/Requester.kt b/src/main/kotlin/fr/postgresjson/connexion/Requester.kt
index 8ce672f..2d34c1c 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Requester.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Requester.kt
@@ -80,7 +80,8 @@ class Requester(
         private val functionsDirectory: File? = null
     ) {
         fun createRequester(): Requester {
-            val con = Connection(host = host, port = port, database = database, username = username, password = password)
+            val con =
+                Connection(host = host, port = port, database = database, username = username, password = password)
             val req = Requester(con)
 
             return initRequester(req)
diff --git a/src/main/kotlin/fr/postgresjson/definition/Function.kt b/src/main/kotlin/fr/postgresjson/definition/Function.kt
index 48ec3f4..c144066 100644
--- a/src/main/kotlin/fr/postgresjson/definition/Function.kt
+++ b/src/main/kotlin/fr/postgresjson/definition/Function.kt
@@ -3,20 +3,22 @@ package fr.postgresjson.definition
 import java.io.File
 
 
-open class Function (
+open class Function(
     override val script: String
-) : Resource, ParametersInterface {
+): Resource, ParametersInterface {
     val returns: String?
     override val name: String
     override val parameters: List<Parameter>
     override var source: File? = null
 
     init {
-        val functionRegex = """create (or replace )?(procedure|function) *(?<name>[^(\s]+)\s*\((?<params>(\s*((IN|OUT|INOUT|VARIADIC)?\s+)?([^\s,)]+\s+)?([^\s,)]+)(\s+(?:default\s|=)\s*[^\s,)]+)?\s*(,|(?=\))))*)\) *(?<return>RETURNS *[^ ]+)?"""
-            .toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
+        val functionRegex =
+            """create (or replace )?(procedure|function) *(?<name>[^(\s]+)\s*\((?<params>(\s*((IN|OUT|INOUT|VARIADIC)?\s+)?([^\s,)]+\s+)?([^\s,)]+)(\s+(?:default\s|=)\s*[^\s,)]+)?\s*(,|(?=\))))*)\) *(?<return>RETURNS *[^ ]+)?"""
+                .toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
 
-        val paramsRegex = """\s*(?<param>((?<direction>IN|OUT|INOUT|VARIADIC)?\s+)?("?(?<name>[^\s,")]+)"?\s+)?(?<type>[^\s,)]+)(\s+(?<default>default\s|=)\s*[^\s,)]+)?)\s*(,|$)"""
-            .toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
+        val paramsRegex =
+            """\s*(?<param>((?<direction>IN|OUT|INOUT|VARIADIC)?\s+)?("?(?<name>[^\s,")]+)"?\s+)?(?<type>[^\s,)]+)(\s+(?<default>default\s|=)\s*[^\s,)]+)?)\s*(,|$)"""
+                .toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
 
         val queryMatch = functionRegex.find(script)
         if (queryMatch !== null) {
@@ -32,7 +34,8 @@ open class Function (
                         paramsMatch.groups["name"]!!.value.trim(),
                         paramsMatch.groups["type"]!!.value.trim(),
                         paramsMatch.groups["direction"]?.value?.trim(),
-                        paramsMatch.groups["default"]?.value?.trim())
+                        paramsMatch.groups["default"]?.value?.trim()
+                    )
                 }.toList()
             } else {
                 listOf()
@@ -43,10 +46,11 @@ open class Function (
             throw FunctionNotFound()
         }
     }
+
     abstract class ParseException(message: String, cause: Throwable? = null): Exception(message, cause)
     class FunctionNotFound(cause: Throwable? = null): ParseException("Function not found in script", cause)
 
-    fun getDefinition (): String {
+    fun getDefinition(): String {
         return "$name (" + parameters.joinToString(", ") + ") $returns"
     }
 
@@ -56,21 +60,28 @@ open class Function (
         }.toMap()
     }
 
-    infix fun `has same definition` (other: Function): Boolean {
+    infix fun `has same definition`(other: Function): Boolean {
         return other.getDefinition() == this.getDefinition()
     }
 
-    infix fun `is same` (other: Function): Boolean {
+    infix fun `is same`(other: Function): Boolean {
         return other.script == this.script
     }
 
     companion object {
         fun build(source: File): List<Function> {
             return source.readText()
-                .split("CREATE +(OR REPLACE +)?(PROCEDURE|FUNCTION)".toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE)))
+                .split(
+                    "CREATE +(OR REPLACE +)?(PROCEDURE|FUNCTION)".toRegex(
+                        setOf(
+                            RegexOption.IGNORE_CASE,
+                            RegexOption.MULTILINE
+                        )
+                    )
+                )
                 .map {
-                Function("CREATE OR REPLACE FUNCTION $it")
-            }
+                    Function("CREATE OR REPLACE FUNCTION $it")
+                }
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/fr/postgresjson/definition/Parameter.kt b/src/main/kotlin/fr/postgresjson/definition/Parameter.kt
index 4deb502..4a7d97c 100644
--- a/src/main/kotlin/fr/postgresjson/definition/Parameter.kt
+++ b/src/main/kotlin/fr/postgresjson/definition/Parameter.kt
@@ -7,8 +7,7 @@ interface ParameterI {
     val default: String
 }
 
-class Parameter(val name: String, val type: String, direction: Direction? = Direction.IN, val default: Any? = null)
-{
+class Parameter(val name: String, val type: String, direction: Direction? = Direction.IN, val default: Any? = null) {
     val direction: Direction
 
     init {
@@ -19,10 +18,10 @@ class Parameter(val name: String, val type: String, direction: Direction? = Dire
         }
     }
 
-    constructor(name: String, type: String, direction: String? = "IN", default: Any? = null) : this(
+    constructor(name: String, type: String, direction: String? = "IN", default: Any? = null): this(
         name = name,
         type = type,
-        direction = direction?.let { Direction.valueOf(direction.toUpperCase())},
+        direction = direction?.let { Direction.valueOf(direction.toUpperCase()) },
         default = default
     )
 
diff --git a/src/main/kotlin/fr/postgresjson/entity/EntitiesCollections.kt b/src/main/kotlin/fr/postgresjson/entity/EntitiesCollections.kt
index 7bd3918..ad99307 100644
--- a/src/main/kotlin/fr/postgresjson/entity/EntitiesCollections.kt
+++ b/src/main/kotlin/fr/postgresjson/entity/EntitiesCollections.kt
@@ -5,17 +5,17 @@ import kotlin.reflect.KClass
 class EntitiesCollections {
     private val collections: MutableMap<KClass<*>, EntityCollection<Any, EntityI<Any?>>> = mutableMapOf()
 
-    fun <I, R : EntityI<I?>> get(id: I, className: KClass<R>): R? {
+    fun <I, R: EntityI<I?>> get(id: I, className: KClass<R>): R? {
         val collection = collections[className]
         val entity = collection?.get(id!!)
         return entity as R?
     }
 
-    inline fun <I, reified R : EntityI<I?>> get(id: I): R? {
+    inline fun <I, reified R: EntityI<I?>> get(id: I): R? {
         return get(id, R::class)
     }
 
-    fun <I, R : EntityI<out I?>> set(entity: R): EntitiesCollections {
+    fun <I, R: EntityI<out I?>> set(entity: R): EntitiesCollections {
         if (collections[entity.className] == null) {
             collections[entity.className] = EntityCollection()
         }
@@ -25,7 +25,7 @@ class EntitiesCollections {
         return this
     }
 
-    class EntityCollection<T, E : EntityI<T?>> {
+    class EntityCollection<T, E: EntityI<T?>> {
         private var collection: MutableMap<T, E> = mutableMapOf()
 
         fun get(id: T): E? {
diff --git a/src/main/kotlin/fr/postgresjson/entity/Entity.kt b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
index dbd0796..f770ece 100644
--- a/src/main/kotlin/fr/postgresjson/entity/Entity.kt
+++ b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
@@ -12,22 +12,22 @@ interface EntityI<T> {
         @JsonIgnore() get() = this::class as KClass<EntityI<T?>>
 }
 
-abstract class Entity<T>(override var id: T? = null) : EntityI<T?>
-abstract class UuidEntity(override var id: UUID? = UUID.randomUUID()) : Entity<UUID?>(id)
-abstract class IdEntity(override var id: Int? = null) : Entity<Int?>(id)
+abstract class Entity<T>(override var id: T? = null): EntityI<T?>
+abstract class UuidEntity(override var id: UUID? = UUID.randomUUID()): Entity<UUID?>(id)
+abstract class IdEntity(override var id: Int? = null): Entity<Int?>(id)
 
 /* Version */
 interface EntityVersioning<T> {
     var version: T
 }
 
-interface EntityVersioningIncrement : EntityVersioning<Int?>
-class EntityVersioningIncrementImp() : EntityVersioningIncrement {
+interface EntityVersioningIncrement: EntityVersioning<Int?>
+class EntityVersioningIncrementImp: EntityVersioningIncrement {
     override var version: Int? = null
 }
 
-interface EntityVersioningDate : EntityVersioning<DateTime?>
-class EntityVersioningDateImp() : EntityVersioningDate {
+interface EntityVersioningDate: EntityVersioning<DateTime?>
+class EntityVersioningDateImp: EntityVersioningDate {
     override var version: DateTime? = null
 }
 
@@ -40,15 +40,15 @@ interface EntityUpdatedAt {
     var updatedAt: DateTime?
 }
 
-class EntityCreatedAtImp : EntityCreatedAt {
+class EntityCreatedAtImp: EntityCreatedAt {
     override var createdAt: DateTime? = null
 }
 
-class EntityUpdatedAtImp : EntityUpdatedAt {
+class EntityUpdatedAtImp: EntityUpdatedAt {
     override var updatedAt: DateTime? = null
 }
 
-interface User<T> : EntityI<T> {
+interface User<T>: EntityI<T> {
     fun isValid(): Boolean
 }
 
@@ -61,11 +61,11 @@ interface UpdatedBy<T> {
     var updatedBy: User<T>?
 }
 
-class EntityCreatedByImp<T> : CreatedBy<T> {
+class EntityCreatedByImp<T>: CreatedBy<T> {
     override var createdBy: User<T>? = null
 }
 
-class EntityUpdatedByImp<T> : UpdatedBy<T> {
+class EntityUpdatedByImp<T>: UpdatedBy<T> {
     override var updatedBy: User<T>? = null
 }
 
@@ -75,19 +75,19 @@ interface Published<UserT> {
     var publishedBy: User<UserT>?
 }
 
-class EntityPublishedImp<UserT> : Published<UserT> {
+class EntityPublishedImp<UserT>: Published<UserT> {
     override var publishedAt: DateTime? = null
     override var publishedBy: User<UserT>? = null
 }
 
 /* Implementation */
-abstract class EntityImp<T, UserT> : Entity<T>(),
+abstract class EntityImp<T, UserT>: Entity<T>(),
     EntityCreatedAt by EntityCreatedAtImp(),
     EntityUpdatedAt by EntityUpdatedAtImp(),
     CreatedBy<UserT> by EntityCreatedByImp(),
     UpdatedBy<UserT> by EntityUpdatedByImp()
 
-abstract class EntityExtended<T, UserT> :
+abstract class EntityExtended<T, UserT>:
     EntityImp<T, UserT>(),
     EntityVersioningIncrement by EntityVersioningIncrementImp(),
     Published<UserT> by EntityPublishedImp()
diff --git a/src/main/kotlin/fr/postgresjson/migration/Function.kt b/src/main/kotlin/fr/postgresjson/migration/Function.kt
index bfca5da..a5689c1 100644
--- a/src/main/kotlin/fr/postgresjson/migration/Function.kt
+++ b/src/main/kotlin/fr/postgresjson/migration/Function.kt
@@ -59,7 +59,7 @@ data class Function(
         connection.inTransaction {
             up()
             down()
-            it.sendQuery("ROLLBACK");
+            it.sendQuery("ROLLBACK")
         }.join()
 
         return Status.OK // TODO
diff --git a/src/main/kotlin/fr/postgresjson/repository/Repository.kt b/src/main/kotlin/fr/postgresjson/repository/Repository.kt
index b2dcaee..8a6d1ca 100644
--- a/src/main/kotlin/fr/postgresjson/repository/Repository.kt
+++ b/src/main/kotlin/fr/postgresjson/repository/Repository.kt
@@ -4,13 +4,15 @@ import fr.postgresjson.connexion.Requester
 import fr.postgresjson.entity.EntitiesCollections
 import fr.postgresjson.entity.EntityI
 import fr.postgresjson.serializer.Serializer
+import jdk.jfr.Experimental
 import kotlin.reflect.KClass
 
-interface RepositoryI<T, E : EntityI<T?>> {
+interface RepositoryI<T, E: EntityI<T?>> {
     val entityName: KClass<E>
 }
 
-abstract class Repository<T, E : EntityI<T?>>(override val entityName: KClass<E>) : RepositoryI<T, E> {
+@Experimental
+abstract class Repository<T, E: EntityI<T?>>(override val entityName: KClass<E>): RepositoryI<T, E> {
 
     abstract var requester: Requester
     abstract fun getClassName(): String
diff --git a/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt b/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
index 75ef5a9..a1d4aa7 100644
--- a/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
+++ b/src/main/kotlin/fr/postgresjson/serializer/Serializer.kt
@@ -18,7 +18,6 @@ import fr.postgresjson.entity.UuidEntity
 import java.io.IOException
 import java.util.*
 
-
 class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
 
     var collection: EntitiesCollections = EntitiesCollections()
@@ -35,11 +34,11 @@ class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
         return mapper.writeValueAsString(source)
     }
 
-    fun <E : EntityI<*>> deserialize(json: String, valueTypeRef: TypeReference<E>): E {
+    fun <E: EntityI<*>> deserialize(json: String, valueTypeRef: TypeReference<E>): E {
         return this.mapper.readValue(json, valueTypeRef)
     }
 
-    inline fun <T, reified E : EntityI<T?>?> deserialize(json: String): E {
+    inline fun <T, reified E: EntityI<T?>?> deserialize(json: String): E {
         return this.mapper.readValue(json)
     }
 
@@ -51,19 +50,19 @@ class Serializer(val mapper: ObjectMapper = jacksonObjectMapper()) {
         return deserializeList(json, object: TypeReference<E>() {})
     }
 
-    fun <E : EntityI<*>> deserialize(json: String, target: E): E {
+    fun <E: EntityI<*>> deserialize(json: String, target: E): E {
         return mapper.readerForUpdating(target).readValue<E>(json)
     }
 }
 
 fun <T> EntityI<T?>.serialize() = Serializer().serialize(this)
-inline fun <T, reified E : EntityI<T?>> E.deserialize(json: String) = Serializer().deserialize(json, this)
+inline fun <T, reified E: EntityI<T?>> E.deserialize(json: String) = Serializer().deserialize(json, this)
 
 
-class EntityUuidDeserializer <T: UuidEntity> @JvmOverloads constructor(vc: Class<*>? = null) : StdDeserializer<T>(vc) {
-    var collection: EntitiesCollections  = EntitiesCollections()
+class EntityUuidDeserializer<T: UuidEntity> @JvmOverloads constructor(vc: Class<*>? = null): StdDeserializer<T>(vc) {
+    var collection: EntitiesCollections = EntitiesCollections()
 
-    constructor(collection: EntitiesCollections) : this() {
+    constructor(collection: EntitiesCollections): this() {
         this.collection = collection
     }
 
@@ -78,10 +77,10 @@ class EntityUuidDeserializer <T: UuidEntity> @JvmOverloads constructor(vc: Class
 }
 
 
-class EntityIdDeserializer <T: IdEntity> @JvmOverloads constructor(vc: Class<*>? = null) : StdDeserializer<T>(vc) {
-    var collection: EntitiesCollections  = EntitiesCollections()
+class EntityIdDeserializer<T: IdEntity> @JvmOverloads constructor(vc: Class<*>? = null): StdDeserializer<T>(vc) {
+    var collection: EntitiesCollections = EntitiesCollections()
 
-    constructor(collection: EntitiesCollections) : this() {
+    constructor(collection: EntitiesCollections): this() {
         this.collection = collection
     }
 
diff --git a/src/main/kotlin/fr/postgresjson/stopwatch/Stopwatch.kt b/src/main/kotlin/fr/postgresjson/stopwatch/Stopwatch.kt
deleted file mode 100644
index 51244f2..0000000
--- a/src/main/kotlin/fr/postgresjson/stopwatch/Stopwatch.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package fr.postgresjson.stopwatch
-
-fun <T> elapse(callback: (start: Long) -> T, after: (elapse: Long) -> Unit): T {
-    val start = System.currentTimeMillis()
-    val result = callback(start)
-    after(System.currentTimeMillis() - start)
-    return result
-}
diff --git a/src/main/kotlin/fr/postgresjson/utils/LoggerDelegate.kt b/src/main/kotlin/fr/postgresjson/utils/LoggerDelegate.kt
index a17f510..87083b7 100644
--- a/src/main/kotlin/fr/postgresjson/utils/LoggerDelegate.kt
+++ b/src/main/kotlin/fr/postgresjson/utils/LoggerDelegate.kt
@@ -5,7 +5,6 @@ import org.slf4j.LoggerFactory
 import kotlin.properties.ReadOnlyProperty
 import kotlin.reflect.KProperty
 
-internal class LoggerDelegate<in R : Any> : ReadOnlyProperty<R, Logger> {
-    override fun getValue(thisRef: R, property: KProperty<*>)
-        = LoggerFactory.getLogger(thisRef.javaClass.packageName)
+internal class LoggerDelegate<in R: Any>: ReadOnlyProperty<R, Logger> {
+    override fun getValue(thisRef: R, property: KProperty<*>) = LoggerFactory.getLogger(thisRef.javaClass.packageName)
 }
\ No newline at end of file