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huajianlan pushed a commit to branch nested_column_prune
in repository https://gitbox.apache.org/repos/asf/doris.git
commit 18fec2af2b52496b731effa44d9ce465f4e534b7
Author: 924060929 <lanhuaj...@selectdb.com>
AuthorDate: Wed Sep 24 17:04:44 2025 +0800
define the interface of nested column prune
---
gensrc/thrift/Descriptors.thrift | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/gensrc/thrift/Descriptors.thrift b/gensrc/thrift/Descriptors.thrift
index 805060fc9cf..517f8d27095 100644
--- a/gensrc/thrift/Descriptors.thrift
+++ b/gensrc/thrift/Descriptors.thrift
@@ -72,10 +72,50 @@ struct TSlotDescriptor {
13: optional bool need_materialize = true
14: optional bool is_auto_increment = false;
// subcolumn path info list for semi structure column(variant)
+ // deprecated: will be replace to column_access_paths
15: optional list<string> column_paths
16: optional string col_default_value
17: optional Types.TPrimitiveType primitive_type =
Types.TPrimitiveType.INVALID_TYPE
18: optional Exprs.TExpr virtual_column_expr
+ 19: optional TColumnAccessPaths column_access_paths
+}
+
+enum TAccessPathType {
+ NAME = 1,
+ // ICEBERG = 2 // implement in the future
+}
+
+struct TColumnNameAccessPath {
+ // the specification of special path:
+ // <empty>: access the whole complex column
+ // *: access every items in the array
+ // KEYS: only access the keys of map
+ // VALUES: only access the keys of map
+ //
+ // example:
+ // s: struct<
+ // data: array<
+ // map<int, double>
+ // >
+ // >
+ // if we want to access the keys of the map, the path will be: ['data',
'*', 'KEYS'],
+ // if we want to access the whole struct of s, the path will be: []
+ 1: required list<string> path
+ 2: required bool is_predicate
+}
+
+/*
+// implement in the future
+struct TIcebergColumnAccessPath {
+ 1: required list<i64> path
+ 2: required bool is_predicate
+}
+*/
+
+struct TColumnAccessPaths {
+ 1: required TAccessPathType type
+ 2: optional list<TColumnNameAccessPath> name_access_paths
+ // 3: optional list<TIcebergColumnAccessPath> iceberg_column_access_paths //
implement in the future
}
struct TTupleDescriptor {
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