org.apache.calcite.adapter.jdbc

Class JdbcUtils.ObjectArrayRowBuilder

java.lang.Object

org.apache.calcite.adapter.jdbc.JdbcUtils.ObjectArrayRowBuilder

All Implemented Interfaces:

Function<Object[]>, Function0<Object[]>

Enclosing class:

JdbcUtils

static class JdbcUtils.ObjectArrayRowBuilder
extends Object
implements Function0<Object[]>

Builder that calls ResultSet.getObject(int) for every column, or getXxx if the result type is a primitive xxx, and returns an array of objects for each row.

Field Summary

Fields

Modifier and Type	Field and Description
private int	columnCount
private org.apache.calcite.avatica.ColumnMetaData.Rep[]	reps
private ResultSet	resultSet
private int[]	types

Constructor Summary

Constructors

Constructor and Description
ObjectArrayRowBuilder(ResultSet resultSet, org.apache.calcite.avatica.ColumnMetaData.Rep[] reps, int[] types)

Method Summary

Modifier and Type	Method and Description
Object[]	apply()
static Function1<ResultSet,Function0<Object[]>>	factory(List<Pair<org.apache.calcite.avatica.ColumnMetaData.Rep,Integer>> list)
private static Date	shift(Date v)
private static Time	shift(Time v)
private static Timestamp	shift(Timestamp v)
private Object	value(int i) Gets a value from a given column in a JDBC result set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

resultSet

private final ResultSet resultSet

columnCount

private final int columnCount

reps

private final org.apache.calcite.avatica.ColumnMetaData.Rep[] reps

types

private final int[] types

Constructor Detail

ObjectArrayRowBuilder

ObjectArrayRowBuilder(ResultSet resultSet,
                      org.apache.calcite.avatica.ColumnMetaData.Rep[] reps,
                      int[] types)
               throws SQLException

Throws:

SQLException

Method Detail

factory

public static Function1<ResultSet,Function0<Object[]>> factory(List<Pair<org.apache.calcite.avatica.ColumnMetaData.Rep,Integer>> list)

apply

public Object[] apply()

Specified by:

apply in interface Function0<Object[]>

value

private Object value(int i)
              throws SQLException

Gets a value from a given column in a JDBC result set.

Parameters:

i - Ordinal of column (1-based, per JDBC)

Throws:

SQLException

shift

private static Timestamp shift(Timestamp v)

shift

private static Time shift(Time v)

shift

private static Date shift(Date v)