asereda-gs commented on a change in pull request #800:
[CALCITE-2460][CALCITE-2459] Add implementation of To_Base64 and From_Base64
to SqlFunctions
URL: https://github.com/apache/calcite/pull/800#discussion_r288686113
##########
File path: core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java
##########
@@ -121,6 +124,36 @@
private SqlFunctions() {
}
+ /** SQL TO_BASE64(string) function*/
+ public static String toBase64(String string) {
+ if (string == null) {
+ return null;
+ }
+ String base64 = new
String(Base64.getEncoder().encode(string.getBytes(UTF_8)), UTF_8);
Review comment:
you can use
[Encoder.encodeToString()](https://docs.oracle.com/javase/8/docs/api/java/util/Base64.Encoder.html#encodeToString-byte:A-)
function
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