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Error in installing JPype1 in Python 3.7 on Mac OS 10.14.2

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问题 I am getting error while installing JPype1 in my system. I am using Python 3.7. JPype1 is required as dependency for Jaydebeapi. pip install Jpype1 Following are the error message: Collecting jpype1 Using cached https://files.pythonhosted.org/packages/c4/4b/60a3e63d51714d4d7ef1b1efdf84315d118a0a80a5b085bb52a7e2428cdc/JPype1-0.6.3.tar.gz Building wheels for collected packages: jpype1 Running setup.py bdist_wheel for jpype1 ... error Complete output from command /Users/citius/anaconda3/bin

Python > Connection with JDBC to Oracle service name (jaydebeapi)

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问题 This sample code is used to connect in Python to Oracle SID. import jpype import jaydebeapi jHome = jpype.getDefaultJVMPath() jpype.startJVM(jHome, '-Djava.class.path=/path/to/ojdbc6.jar') conn = jaydebeapi.connect('oracle.jdbc.driver.OracleDriver','jdbc:oracle:thin:user/password@DB_HOST_IP:1521:DB_NAME') How can we connect to Oracle Service Name? 回答1: Regarding your connection string, you could use TNS syntax (read on, here), as opposed to host:port:sid syntax you're using now. In that case

Access on prem DB2 from DSX

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问题 I am trying to access on prem DB2 data from DSX using a Python notebook in Jupyter. I have uploaded db2jcc.jar & license jar files to my home directory but how do I add the directory to the classpath ? Is there another to 回答1: You can alternatively use connector available on DSX to connect to DB2 on prem. from ingest import Connectors from pyspark.sql import SQLContext sqlContext = SQLContext(sc) DB2loadOptions = { Connectors.DB2.HOST : '***********', Connectors.DB2.PORT : '***********',

Access on prem DB2 from DSX

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java.lang.RuntimeExceptionPyRaisable: java.lang.RuntimeException: Class com.teradata.jdbc.TeraDriver not found

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问题 I am trying to connect with Teradata database in Mac 10.14.2 using Jaydebeapi . I am getting following error. Earlier, I was facing issue in installing Jaydebeapi . After lot of trials and errors. I downgraded Python 3.7 to Python 3.6. Following are the code and corresponding error output Code import sys import os import string import jaydebeapi from time import gmtime, strftime from datetime import datetime, timedelta case_detail_server ='*******' amanita_server= '******' database_case

Connect Python to H2

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问题 I'm trying to make a connection from python2.7 to H2 (h2-1.4.193.jar - latest) H2 (is running and available): java -Dh2.bindAddress=127.0.0.1 -cp "E:\Dir\h2-1.4.193.jar;%H2DRIVERS%;%CLASSPATH%" org.h2.tools.Server -tcpPort 15081 -baseDir E:\Dir\db For python I'm using jaydebeapi : import jaydebeapi conn = jaydebeapi.connect('org.h2.Driver', ['jdbc:h2:tcp://localhost:15081/db/test', 'sa', ''], 'E:\Path\to\h2-1.4.193.jar') curs = conn.cursor() curs.execute('create table PERSON ("PERSON_ID"

Python SQL Query Performance

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I am using jaydebeapi (Mac OS X) to query a Netezza database and performing some quick/dirty timing: t0 = time.time() curs.execute('''select * from table1;''') print time.time() - t0 I created the table myself and it contains 650,000 rows and 9 columns (integers and dates). When I run the above command it takes about 1.3 minutes to complete (averaged over 10 runs). Then, when I try to fetch the data: t0 = time.time() curs.execute('''select * from table1;''') row = curs.fetchone() while row is not None: row = curs.fetchone() print time.time() - t0 It takes about 10 minutes to complete (averaged