core/org.octavius.database/RowMappers

RowMappers

internal class RowMappers(typeRegistry: TypeRegistry)

Factory providing various RowMapper implementations for ResultSet conversion.

Creates ResultSetValueExtractor internally from the provided TypeRegistry.

Parameters

typeRegistry

Type registry for value extraction

Constructors

constructor(typeRegistry: TypeRegistry)

Types

object Companion

Functions

ColumnNameMapper

fun ColumnNameMapper(): RowMapper<Map<String, Any?>>

Mapper mapping to Map<String, Any?>. Uses only column name as key. Ideal for reports and simple queries.

DataObjectMapper

fun <T : Any> DataObjectMapper(kClass: KClass<T>): RowMapper<T>

Generic mapper that converts a row to a data class object. First maps the row to Map using ColumnNameMapper, then uses reflection (via toDataObject) to create a class instance.

SingleValueMapper

fun SingleValueMapper(kType: KType): RowMapper<Any?>

Mapper mapping result from a single column to its value. Used for queries like SELECT COUNT(*), SELECT id FROM ... etc.