xiangfu0 commented on code in PR #13905:
URL: https://github.com/apache/pinot/pull/13905#discussion_r1735177330
##########
pinot-spi/src/main/java/org/apache/pinot/spi/data/ComplexFieldSpec.java:
##########
@@ -87,6 +98,58 @@ public FieldType getFieldType() {
@Override
public String toString() {
- return "field type: COMPLEX, field name: " + _name + ", root data type: "
+ _dataType;
+ return "field type: COMPLEX, field name: " + _name + ", root data type: "
+ _dataType + ", child field specs: "
+ + _childFieldSpecs;
+ }
+
+ public static class MapFieldSpec {
+ private final String _fieldName;
+ private final FieldSpec _keyFieldSpec;
+ private final FieldSpec _valueFieldSpec;
+
+ private MapFieldSpec(ComplexFieldSpec complexFieldSpec) {
+
Preconditions.checkState(complexFieldSpec.getChildFieldSpecs().containsKey(KEY_FIELD),
+ "Missing 'key' in the 'childFieldSpec'");
+
Preconditions.checkState(complexFieldSpec.getChildFieldSpecs().containsKey(VALUE_FIELD),
+ "Missing 'value' in the 'childFieldSpec'");
+ _keyFieldSpec = complexFieldSpec.getChildFieldSpec(KEY_FIELD);
+ _valueFieldSpec = complexFieldSpec.getChildFieldSpec(VALUE_FIELD);
+ _fieldName = complexFieldSpec.getName();
+ }
+
+ public String getFieldName() {
+ return _fieldName;
+ }
+
+ public FieldSpec getKeyFieldSpec() {
+ return _keyFieldSpec;
+ }
+
+ public FieldSpec getValueFieldSpec() {
+ return _valueFieldSpec;
+ }
+ }
+
+ public static MapFieldSpec fromMapFieldSpec(ComplexFieldSpec
complexFieldSpec) {
Review Comment:
done.
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