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.
|