KazydubB commented on a change in pull request #1854: DRILL-7373: Fix problems
involving reading from DICT type
URL: https://github.com/apache/drill/pull/1854#discussion_r324549150
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File path: exec/vector/src/main/codegen/templates/BaseReader.java
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@@ -83,6 +83,20 @@
*/
int find(int key);
+ /**
+ * Obtain the index for given key in current row used to find a
corresponding value with.
+ * Used in generated code when retrieving value from Dict using {@link
org.apache.drill.common.expression.PathSegment}
+ * with provided {@link
org.apache.drill.common.expression.PathSegment#getOriginalValue()}
+ * in cases when {@link
org.apache.drill.exec.vector.complex.DictVector#getValueType()} is complex.
+ *
+ * <p>The {@code key} is assumed to be of actual type, is not converted
and used as is.
+ *
+ * @param key key value
+ * @return index for the given key
+ * @see org.apache.drill.exec.vector.complex.DictVector
+ */
+ int find(Object key);
Review comment:
Yes, other methods are still used when there is no notion of column types
during validation phase (when querying `DynamicDrillTable`, for example) based
on `PathSegment` info (`int` for `ArraySegment` and `String` for
`NamedSegment`).
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