Description
The SET command sets a property, returns the value of an existing property or returns all SQLConf properties with value and meaning.
Syntax
SET SET [ -v ] SET property_key[ = property_value ]
Parameters
-
-v
- Outputs the key, value and meaning of existing SQLConf properties.
-
property_key
- Returns the value of specified property key.
-
property_key=property_value
- Sets the value for a given property key. If an old value exists for a given property key, then it gets overridden by the new value.
Examples
-- Set a property. SET spark.sql.variable.substitute=false;
-- List all SQLConf properties with value and meaning. SET -v;
-- List all SQLConf properties with value for current session. SET;
-- List the value of specified property key. SET spark.sql.variable.substitute; +--------------------------------+--------+ | key | value | +--------------------------------+--------+ | spark.sql.variable.substitute | false | +--------------------------------+--------+