com.alibaba.hologres.client.impl.handler.jdbc.JdbcDoubleColumnValues Maven / Gradle / Ivy
/*
* Copyright (c) 2022. Alibaba Group Holding Limited
*/
package com.alibaba.hologres.client.impl.handler.jdbc;
import org.postgresql.jdbc.TimestampUtils;
import java.sql.Clob;
import java.sql.SQLException;
/**
* double列存类.
*/
public class JdbcDoubleColumnValues extends JdbcColumnValues {
Double[] array;
public JdbcDoubleColumnValues(TimestampUtils timestampUtils, int rowCount) {
super(timestampUtils, rowCount);
array = new Double[rowCount];
}
@Override
public void doSet(int row, Object obj) throws SQLException {
array[row] = castToDouble(obj);
}
private static double castToDouble(final Object in) throws SQLException {
try {
if (in instanceof String) {
return Double.parseDouble((String) in);
}
if (in instanceof Number) {
return ((Number) in).doubleValue();
}
if (in instanceof java.util.Date) {
return ((java.util.Date) in).getTime();
}
if (in instanceof Boolean) {
return (Boolean) in ? 1d : 0d;
}
if (in instanceof Clob) {
return Double.parseDouble(asString((Clob) in));
}
if (in instanceof Character) {
return Double.parseDouble(in.toString());
}
} catch (final Exception e) {
throw cannotCastException(in.getClass().getName(), "double", e);
}
throw cannotCastException(in.getClass().getName(), "double");
}
@Override
public Object[] getArray() {
return array;
}
}