Impala

Provides access to Impala query engine via JDBC driver.

Connection parameters

{
  "server": "",
  "port": "",
  "schema": "",
  "connString": ""
}

Supported Parameters

Type	Value	Description or Example
num, int, double	=	=100
	>	>1.02
	>=	>=4.1
	<=	<=100
	!=	!=5
	in	in (1, 3, 10.2)
	min-max	1.5-10.0
	is null/ is not null
string	contains	contains ea
	starts with	starts with R
	ends with	ends with w
	in	in (ab, "c d", "e\"f\"")
	regex	regex ^(.+)@(.+)$
	is null/ is not null
datetime	anytime
	before	before 1/1/2022
	after	after 1/1/2022
	today
	this week
	this month
	this year
	last year
	min-max
	April 2021
	last	last 10 days, last 2 weeks
	is null/ is not null
list<string> (1)

• (1) default parameters are not supported

Supported output types

Type	Supported
BIGINT, INT, SMALLINT, TINYINT	✅
BOOLEAN	✅
CHAR, VARCHAR, STRING	✅
DECIMAL, DOUBLE, FLOAT	✅
DATE, TIMESTAMP	✅
BINARY	limited support (1)

• (1) you get unreadable representation, but in query you can cast such a types to varchar, hex

Supported features

• Schema browsing
• Join DB tables
• Aggregation query
• Connection test

See also:

• Data connection
• Impala