Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/610#discussion_r85990420
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/SimpleCastFunctions.java
---
@@ -48,14 +46,8 @@ public void setup() {
public void eval() {
byte[] buf = new byte[in.end - in.start];
in.buffer.getBytes(in.start, buf, 0, in.end - in.start);
- String input = new String(buf,
com.google.common.base.Charsets.UTF_8).toLowerCase();
- if ("true".equals(input)) {
- out.value = 1;
- } else if ("false".equals(input)) {
- out.value = 0;
- } else {
- throw new IllegalArgumentException("Invalid value for boolean: " +
input);
- }
+ String input = new String(buf,
com.google.common.base.Charsets.UTF_8);
+ out.value =
org.apache.drill.exec.expr.BooleanType.get(input).getNumericValue();
--- End diff --
This \#get call is invoked per record.
How about storing a mapping (static `Map<String, Integer>`) in BooleanType,
rather than iterate through a list?
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