org.apache.spark.sql.internal

Class VariableSubstitution

java.lang.Object

org.apache.spark.sql.internal.VariableSubstitution

public class VariableSubstitution
extends java.lang.Object

A helper class that enables substitution using syntax like ${var}, ${system:var} and ${env:var}.

Variable substitution is controlled by SQLConf.variableSubstituteEnabled.

Constructor Summary

Constructors

Constructor and Description
VariableSubstitution(org.apache.spark.sql.internal.SQLConf conf)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	substitute(java.lang.String input) Given a query, does variable substitution and return the result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VariableSubstitution

public VariableSubstitution(org.apache.spark.sql.internal.SQLConf conf)

Method Detail

substitute

public java.lang.String substitute(java.lang.String input)

Given a query, does variable substitution and return the result.

Parameters:

input - (undocumented)

Returns:

(undocumented)