yanxinyi commented on a change in pull request #616: PHOENIX-5432: Refactor
LiteralExpression to use the builder pattern
URL: https://github.com/apache/phoenix/pull/616#discussion_r345477647
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/expression/LiteralExpression.java
##########
@@ -54,184 +53,216 @@
* @since 0.1
*/
public class LiteralExpression extends BaseTerminalExpression {
+
private static final LiteralExpression[] NULL_EXPRESSIONS = new
LiteralExpression[Determinism.values().length];
private static final LiteralExpression[] TYPED_NULL_EXPRESSIONS = new
LiteralExpression[PDataType.values().length * Determinism.values().length];
private static final LiteralExpression[] BOOLEAN_EXPRESSIONS = new
LiteralExpression[2 * Determinism.values().length];
-
+
static {
for (Determinism determinism : Determinism.values()) {
- NULL_EXPRESSIONS[determinism.ordinal()] = new
LiteralExpression(null, determinism);
+ NULL_EXPRESSIONS[determinism.ordinal()] = new
LiteralExpression(null, null, ByteUtil.EMPTY_BYTE_ARRAY,
+ null, null, SortOrder.getDefault(), determinism);
for (int i = 0; i < PDataType.values().length; i++) {
-
TYPED_NULL_EXPRESSIONS[i+PDataType.values().length*determinism.ordinal()] = new
LiteralExpression(PDataType.values()[i], determinism);
- }
- BOOLEAN_EXPRESSIONS[determinism.ordinal()] = new
LiteralExpression(Boolean.FALSE,
- PBoolean.INSTANCE, PBoolean.INSTANCE.toBytes(Boolean.FALSE),
determinism);
-
BOOLEAN_EXPRESSIONS[Determinism.values().length+determinism.ordinal()] = new
LiteralExpression(Boolean.TRUE, PBoolean.INSTANCE,
PBoolean.INSTANCE.toBytes(Boolean.TRUE), determinism);
+ PDataType type = PDataType.values()[i];
Review comment:
nit: weird indentation
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