xiaokang commented on code in PR #36470:
URL: https://github.com/apache/doris/pull/36470#discussion_r1644476696
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be/src/olap/field.h:
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@@ -258,6 +264,8 @@ class Field {
int32_t _precision;
int32_t _scale;
int32_t _unique_id;
+ int32_t _parent_col_unique_id;
Review Comment:
_parent_unique_id
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be/src/olap/rowset/segment_v2/segment_iterator.h:
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@@ -396,6 +396,13 @@ class SegmentIterator : public RowwiseIterator {
// read schema from scanner
SchemaSPtr _schema;
// storage type schema related to _schema, since column in segment may be
different with type in _schema
+ // <field_name, storage_type> , only used in inverted index
+ // field_name is the name of inverted index document's filed
+ // 1. for inverted_index_storage_format_v1, field_name is the
`column_name` in Doris
+ // 2. for inverted_index_storage_format_v2
+ // 2.1 for normal column, field_name is the `column_unique_id` in Doris
+ // 2.2 for variant column, field_name is the
`parent_column_unique_id.sub_column_name` in Doris
+ // storage_type is the data type in Doris
std::vector<vectorized::NameAndTypePair> _storage_name_and_type;
Review Comment:
Change NameAndTypePair to IndexFieldNameAndTypePair to avoid misuse.
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