WIP on remove fields

src/main/kotlin/Parameters.kt

@@ -98,4 +98,23 @@ object Parameters {
             throw DocumentException("Error creating query / binding parameters: ${ex.message}", ex)
         }
     }
+
+    /**
+     * Create parameters for field names to be removed from a document
+     *
+     * @param names The names of the fields to be removed
+     * @param parameterName The parameter name to use for the query
+     * @return A list of parameters to use for building the query
+     */
+    fun fieldNames(names: Collection<String>, parameterName: String = ":name") =
+        when (Configuration.dialect("generate field name parameters")) {
+            Dialect.POSTGRESQL -> listOf(Parameter(parameterName, ParameterType.STRING, if (names.size == 1) {
+                    names.elementAt(0)
+                } else {
+                    names.joinToString(",").let { "{$it}" }
+                }))
+            Dialect.SQLITE -> names.mapIndexed { index, name ->
+                Parameter("$parameterName$index", ParameterType.STRING, name)
+            }
+        }
 }