jt2594838 commented on code in PR #745:
URL: https://github.com/apache/tsfile/pull/745#discussion_r2985528919
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cpp/src/reader/table_query_executor.cc:
##########
@@ -88,6 +88,73 @@ int TableQueryExecutor::query(const std::string& table_name,
return ret;
}
+int TableQueryExecutor::query(const std::string& table_name,
+ const std::vector<std::string>& columns,
+ Filter* time_filter, Filter* id_filter,
+ Filter* field_filter, int offset, int limit,
+ ResultSet*& ret_qds) {
+ int ret = common::E_OK;
+ TsFileMeta* file_metadata = nullptr;
+ file_metadata = tsfile_io_reader_->get_tsfile_meta();
+ common::PageArena pa;
+ pa.init(512, common::MOD_TSFILE_READER);
+ MetaIndexNode* table_root = nullptr;
+ std::shared_ptr<TableSchema> table_schema;
+ if (RET_FAIL(
+ file_metadata->get_table_metaindex_node(table_name, table_root))) {
+ } else if (RET_FAIL(
+ file_metadata->get_table_schema(table_name, table_schema)))
{
+ }
+
+ if (IS_FAIL(ret)) {
+ ret_qds = nullptr;
+ return ret;
+ }
+ std::vector<std::string> lower_case_column_names(columns);
+ for (auto& column : lower_case_column_names) {
+ to_lowercase_inplace(column);
+ }
+ std::shared_ptr<ColumnMapping> column_mapping =
+ std::make_shared<ColumnMapping>();
+ for (size_t i = 0; i < lower_case_column_names.size(); ++i) {
+ column_mapping->add(lower_case_column_names[i], static_cast<int>(i),
+ *table_schema);
+ }
+ std::vector<common::TSDataType> data_types;
+ data_types.reserve(lower_case_column_names.size());
+ for (size_t i = 0; i < lower_case_column_names.size(); ++i) {
+ auto ind = table_schema->find_column_index(lower_case_column_names[i]);
+ if (ind < 0) {
+ delete time_filter;
Review Comment:
Double-check this, instead of removing the delete, more deletes are even
added.
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