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From "Lee, David" <David....@blackrock.com>
Subject Drill Support for Sybase Plugin
Date Thu, 22 Sep 2016 01:26:07 GMT
I’ve gone through multiple web posts and this mail archive and I’m experiencing similar
problems with Sybase ASE which other users have had with Microsoft SQL Server..

Both products use Transact SQL which introduces the concept of a schema (or user) owned tables.

I can get use, show tables and describe working, but SQL statements fail because I don’t
think the SQL parser understands the schema / user dot notation..

Here’s my setup and test scripts:

A.     Storage Plugin named SYBASE:

  "type": "jdbc",
  "driver": "com.sybase.jdbc4.jdbc.SybDriver",
  "url": "jdbc:sybase:Tds:my_server_address:4100/tempdb",
  "username": "my_login",
  "password": "my_password",
  "enabled": true

B.     Sybase SQL Script executed in ISQL to create test tables:

use tempdb

create table phone_book
first_name varchar(10),
last_name varchar(20),
phone_number varchar(12)

insert phone_book values ('Bob','Marley','555-555-5555')
insert phone_book values ('Mary','Jane','111-111-1111')
insert phone_book values ('Bat','Man','911-911-9999')

C.    From Apache Drill here’s my output:

INFO: Initiating Jersey application, version Jersey
apache drill 1.8.0
"drill baby drill"

0: jdbc:drill:zk=local> use SYBASE.tempdb;
|  ok   |                  summary
| true  | Default schema changed to [SYBASE.tempdb]
1 row selected (5.938 seconds)

0: jdbc:drill:zk=local> show tables;
| TABLE_SCHEMA   |          TABLE_NAME          |
| SYBASE.tempdb  | phone_book                   |
| SYBASE.tempdb  | sysalternates                |
| SYBASE.tempdb  | sysattributes                |
| SYBASE.tempdb  | syscolumns                   |
| SYBASE.tempdb  | syscomments                  |
| SYBASE.tempdb  | sysconstraints               |
etc.. etc.. etc..
42 rows selected (7.037 seconds)

0: jdbc:drill:zk=local> describe phone_book;
| first_name    | CHARACTER VARYING  | NO           |
| last_name     | CHARACTER VARYING  | NO           |
| phone_number  | CHARACTER VARYING  | NO           |
3 rows selected (4.901 seconds)

0: jdbc:drill:zk=local> select * from phone_book;
Error: DATA_READ ERROR: The JDBC storage plugin failed while trying setup the SQL query.

sql SELECT *
FROM "tempdb"."phone_book"
plugin SYBASE
Fragment 0:0

[Error Id: db3ae9fe-1214-4590-bef0-cc299c9871d9 on xxxx.xxx.xxxxx.com:31010] (state=,code=0)

D.    My connection and plug is fine, but I can’t get any SQL to work.. I’ve tried all
of the following SQL statements which work in ISQL, but are not valid in DRILL:


select * from phone_book
select * from tempdb..phone_book
select * from tempdb.guest.phone_book


select * from phone_book;
select * from SYBASE.tempdb..phone_book;
select * from SYBASE.tempdb.guest.phone_book;

Anyone have any solutions before I start digging through the github for Drill and Calcite??

David Lee
Vice President | BlackRock
Phone: +1.415.670.2744 | Mobile: +1.415.706.6874

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