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[Doris On ES][Bug-Fix] Can not pushdown limit when some predicate not processed by ES #4768

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Merged
morningman merged 1 commit into from
Oct 21, 2020
Merged

[Doris On ES][Bug-Fix] Can not pushdown limit when some predicate not processed by ES #4768

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3 changes: 2 additions & 1 deletion be/src/exec/es_http_scan_node.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -440,7 +440,8 @@ void EsHttpScanNode::scanner_worker(int start_idx, int length, std::promise<Stat
properties[ESScanReader::KEY_BATCH_SIZE] = std::to_string(_runtime_state->batch_size());
properties[ESScanReader::KEY_HOST_PORT] = get_host_port(es_scan_range.es_hosts);
// push down limit to Elasticsearch
if (limit() != -1 && limit() <= _runtime_state->batch_size()) {
// if predicate in _conjunct_ctxs can not be processed by Elasticsearch, we can not push down limit operator to Elasticsearch
if (limit() != -1 && limit() <= _runtime_state->batch_size() && _conjunct_ctxs.empty()) {
properties[ESScanReader::KEY_TERMINATE_AFTER] = std::to_string(limit());
}

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