deniskuzZ commented on code in PR #6413:
URL: https://github.com/apache/hive/pull/6413#discussion_r3441244309
##########
ql/src/java/org/apache/hadoop/hive/ql/metadata/Table.java:
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@@ -728,8 +750,50 @@ private boolean isField(String col) {
return false;
}
+ private void ensureColumnsIndexed() {
+ if (columnsByName != null) {
+ return;
+ }
+ Map<String, TableColumn> indexedColumns = new HashMap<>();
+ List<FieldSchema> fsList = new ArrayList<>(getColsInternal(false));
+ if (!hasNonNativePartitionSupport() || isView()) {
+ fsList.addAll(getPartitionKeys());
+ }
+ for (int i = 0; i < fsList.size(); i++) {
+ indexedColumns.put(fsList.get(i).getName().toLowerCase(), new
TableColumn(i, fsList.get(i)));
+ }
+ columnsByName = indexedColumns;
+ }
+
+ public Integer getColumnIndexByName(String colName) {
+ ensureColumnsIndexed();
+ TableColumn column = columnsByName.get(colName.toLowerCase());
+ return column != null ? column.index() : null;
+ }
Review Comment:
Iceberg does the same, i.e. doesn't return exception - check
org.apache.iceberg.Schema
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