我已经阅读了关于odbc.ini和Vertica留档的iODBC留档。我还看到了一个具有相同错误的问题，但是无法按照上一个问题的答案中的建议使连接字符串工作。

我目前拥有的：

/etc/odbcinst。ini

[HPVertica]
Description = HP Vertica ODBC Driver
Driver = /opt/vertica/lib64/libverticaodbc.so

/etc/odbc。ini

[ODBC Data Sources]
VerticaDB1 = db1 database on HP Vertica

[VerticaDB1]
Description = db1 database on HP Vertica
Driver = HPVertica
Database = db1
Servername = 10.0.0.67
UID = dbadmin
PWD = 
Port = 5433
Locale = en_GB

[ODBC]
Threading = 1

~/。odbc。ini

[DEFAULT]

Driver = VerticaDB1

用isql进行测试

[root@ip-10-0-0-67 /]# echo "select 1;" | isql -v VerticaDB1
+---------------------------------------+
| Connected!                            |
|                                       |
| sql-statement                         |
| help [tablename]                      |
| quit                                  |
|                                       |
+---------------------------------------+
SQL> select 1;
+---------------------+
| ?column?            |
+---------------------+
| 1                   |
+---------------------+
SQLRowCount returns 1
1 rows fetched

odbcinst-j输出：

unixODBC 2.2.14
DRIVERS............: /etc/odbcinst.ini
SYSTEM DATA SOURCES: /etc/odbc.ini
FILE DATA SOURCES..: /etc/ODBCDataSources
USER DATA SOURCES..: /root/.odbc.ini
SQLULEN Size.......: 8
SQLLEN Size........: 8
SQLSETPOSIROW Size.: 8

在Python中使用"VerticaDB1"：

>>> import pyodbc
>>> conn = pyodbc.connect("DRIVER={VerticaDB1};UID={dbadmin};PWD={...}")
Traceback (most recent call last):
  File "", line 1, in 
pyodbc.Error: ('IM002', '[IM002] [unixODBC][Driver Manager]Data source name not 
found, and no default driver specified (0) (SQLDriverConnect)')

在使用“HPVertica”的Python中：

>>> import pyodbc
>>> conn = pyodbc.connect("DRIVER={HPVertica};UID={dbadmin};PWD={...}")
Traceback (most recent call last):
  File "", line 1, in 
pyodbc.Error: ('HY000', '[HY000] [unixODBC][Vertica][ODBC] (10430) Not enough 
information provided to establish a connection to the data source and specified 
to not prompt for more information. (10430) (SQLDriverConnect)')