Github user twdsilva commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/34#discussion_r23718870
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/index/IndexMaintainer.java ---
@@ -976,20 +1043,33 @@ private void initCachedState() {
ref.getFamily(), ref.getQualifier())));
}
- this.allColumns =
Sets.newLinkedHashSetWithExpectedSize(indexedColumns.size() +
coveredColumns.size());
+ this.allColumns =
Sets.newLinkedHashSetWithExpectedSize(indexedExpressions.size() +
coveredColumns.size());
+ // columns that are required to evaluate all expressions in
indexedExpressions (not including columns in data row key)
+ this.indexedColumns =
Sets.newLinkedHashSetWithExpectedSize(indexedExpressions.size());
+ for (Expression expression : indexedExpressions) {
+ KeyValueExpressionVisitor visitor = new
KeyValueExpressionVisitor() {
+ @Override
+ public Void visit(KeyValueColumnExpression expression) {
+ indexedColumns.add(new
ColumnReference(expression.getColumnFamily(), expression.getColumnName()));
+ indexedColumnTypes.add(expression.getDataType());
--- End diff --
If I don't initialize indexedColumnTypes here, I would need to initialize
it in the constructor , so I would have to duplicate the loop over expressions
and calling KeyValueExpressionVisitor in the constructor.
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