Add common throwaway db; all ITs now work in both

src/main/kotlin/Parameters.kt

@@ -39,6 +39,30 @@ object Parameters {
     inline fun <reified T> json(name: String, value: T) =
         Parameter(name, ParameterType.JSON, Configuration.json.encodeToString(value))
 
+    /**
+     * Add field parameters to the given set of parameters
+     *
+     * @param fields The fields being compared in the query
+     * @param existing Any existing parameters for the query (optional, defaults to empty collection)
+     * @return A collection of parameters for the query
+     */
+    fun addFields(
+        fields: Collection<Field<*>>,
+        existing: MutableCollection<Parameter<*>> = mutableListOf()
+    ): MutableCollection<Parameter<*>> {
+        existing.addAll(
+            fields
+                .filter { it.comparison.op != Op.EXISTS && it.comparison.op != Op.NOT_EXISTS }
+                .map {
+                    Parameter(
+                        it.parameterName!!,
+                        if (it.comparison.isNumeric) ParameterType.NUMBER else ParameterType.STRING,
+                        it.comparison.value
+                    )
+                })
+        return existing
+    }
+
     /**
      * Replace the parameter names in the query with question marks
      *
@@ -47,7 +71,7 @@ object Parameters {
      * @return The query, with name parameters changed to `?`s
      */
     fun replaceNamesInQuery(query: String, parameters: Collection<Parameter<*>>) =
-        parameters.sortedByDescending { it.name.length }.fold(query) { acc, param -> acc.replace(param.name, "?") }.also(::println)
+        parameters.sortedByDescending { it.name.length }.fold(query) { acc, param -> acc.replace(param.name, "?") }
 
     /**
      * Apply the given parameters to the given query, returning a prepared statement