diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/ApiVersion.kt b/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/ApiVersion.kt
index dbfadf7..68dd4f6 100644
--- a/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/ApiVersion.kt
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/ApiVersion.kt
@@ -2,7 +2,7 @@ package ru.landgrafhomyak.db.skeleton1.api
 
 public enum class ApiVersion(public val str: String) {
 	V_0_0("0.0") {
-		override fun isImplements(v: ApiVersion) = this === v
+		override fun isImplements(v: ApiVersion): Boolean = this === v
 	};
 
 	override fun toString(): String = "<db-skeleton api version '${this.str}'>"
diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/table/TableConstructorScope.kt b/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/table/TableConstructorScope.kt
index e4feefc..8eeb68c 100644
--- a/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/table/TableConstructorScope.kt
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/db/skeleton1/api/table/TableConstructorScope.kt
@@ -9,7 +9,28 @@ import ru.landgrafhomyak.db.skeleton1.api.runtime.InputRow
 
 
 public interface TableConstructorScope<tUE : Any, IK : Any> {
-	public fun <RT> column(name: String, type: DatabaseType.ImplementationsProvider<RT>, manualCreate: Boolean = false): Column<RT, tUE, IK>
+	public fun <RT> column(name: String, type: DatabaseType.ImplementationsProvider<RT>): Column<RT, tUE, IK>
+
+	public fun <RT> column(
+		name: String, type: DatabaseType.ImplementationsProvider<RT>,
+		alterCreateColumn: _Statement.Void2Void<*, IK>
+	): Column<RT, tUE, IK>
+	public fun <RT> column(
+		name: String, type: DatabaseType.ImplementationsProvider<RT>,
+		alterCreateColumn: RawStatement.Void2Void.ImplementationsProvider<*>
+	): Column<RT, tUE, IK>
+
+	@LowLevelApi
+	public fun <RT, sUE : Any> _column(
+		name: String, type: DatabaseType.ImplementationsProvider<RT>,
+		alterCreateColumn: _Statement.Void2Void<sUE, IK>
+	): InputRow._Scope<sUE, IK, Column<RT, tUE, IK>>
+
+	@LowLevelApi
+	public fun <RT, sUE : Any> _column(
+		name: String, type: DatabaseType.ImplementationsProvider<RT>,
+		alterCreateColumn: RawStatement.Params2Void.ImplementationsProvider<sUE>
+	): InputRow._Scope<sUE, IK, Column<RT, tUE, IK>>
 
 	public fun <oUE : Any?> tableScopedObject(name: String, metadata: ObjectOperations.ImplementationsProvider<oUE>): TableScopedObject<oUE, tUE, IK>