public class VariableSubstitution
extends Object
${var}
, ${system:var}
and ${env:var}
.
Variable substitution is controlled by SQLConf.variableSubstituteEnabled
.
Constructor and Description |
---|
VariableSubstitution(org.apache.spark.sql.internal.SQLConf conf) |
Modifier and Type | Method and Description |
---|---|
String |
substitute(String input)
Given a query, does variable substitution and return the result.
|