ubuntu14.04配置impala的odbc连接

cdh hive和impala的odbc驱动

http://www.cloudera.com/downloads.html.html

选择 SLES 11 64-bit下载：

http://www.cloudera.com/downloads/connectors/impala/odbc/2-5-26.html

或者

https://downloads.cloudera.com/connectors/impala_odbc_2.5.26.1027/Linux/SLES11/ClouderaImpalaODBC-2.5.26.1027-1.x86_64.rpm

apt-get install unixodbc
apt-get install unixodbc-dev

安装impala odbc

apt-get install alien dpkg-dev debhelper build-essential
alien ClouderaImpalaODBC-2.5.26.1027-1.x86_64.rpm
dpkg -i clouderaimpalaodbc_2.5.26.1027-2_amd64.deb

vi /etc/profile.d/impala_env.sh

export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libodbcinst.so
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu/odbc
export ODBCINI=/etc/odbc.ini
export ODBCSYSINI=/etc
export CLOUDERAIMPALAINI=/opt/cloudera/impalaodbc/lib/64/cloudera.impalaodbc.ini

source /etc/profile.d/impala_env.sh

odbcinst -j

*HOST 地址是impala Daemon所在的机器ip，端口可以在cm中设置

vi /etc/odbc.ini

[ODBC Data Sources]
Sample_Cloudera_Impala_DSN_64=Cloudera Impala ODBC Driver 64-bit

[Sample_Cloudera_Impala_DSN_64]
Driver=/opt/cloudera/impalaodbc/lib/64/libclouderaimpalaodbc64.so
HOST=192.168.2.103
PORT=21050
Database=default

vi /etc/odbcinst.ini

[ODBC Drivers]
Cloudera Impala ODBC Driver 64-bit=Installed

[Cloudera Impala ODBC Driver 64-bit]
Description=Cloudera Impala ODBC Driver (64-bit)
Driver=/opt/cloudera/impalaodbc/lib/64/libclouderaimpalaodbc64.so

isql -v Sample_Cloudera_Impala_DSN_64

PHP连接：

<?php
$connection=odbc_connect('Sample_Cloudera_Impala_DSN_64','','');
$SQL_Exec_String="show tables";
$result=odbc_exec($connection, $SQL_Exec_String);
while(odbc_fetch_row($result))
{
$Tables=odbc_result($result, 1);
echo $Tables.'<br/>';
}
?>

参考网址：

http://hadoop4beginner.blogspot.com/2015/05/installing-impala-odbc-driver-in-ubuntu.html