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modify ft search #5584

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merged 4 commits into from
Jun 9, 2023
Merged

modify ft search #5584

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a1965ac
modify ft search
cangfengzhs Jun 8, 2023
a99f7b2
fix bug
cangfengzhs Jun 9, 2023
8e06b00
address some comment
cangfengzhs Jun 9, 2023
1c74b00
fix bug
cangfengzhs Jun 9, 2023
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16 changes: 2 additions & 14 deletions src/common/expression/TextSearchExpression.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,26 +10,14 @@
namespace nebula {

bool TextSearchArgument::operator==(const TextSearchArgument& rhs) const {
return index_ == rhs.index_ && query_ == rhs.query_ && props_ == rhs.props_;
return index_ == rhs.index_ && query_ == rhs.query_;
}

std::string TextSearchArgument::toString() const {
std::string buf;
buf.reserve(64);
if (!index_.empty()) {
buf += "\"" + index_ + "\", ";
}
buf += index_ + ", ";
buf += "\"" + query_ + "\"";
if (!props_.empty()) {
buf += ", [";
for (size_t i = 0; i < props_.size(); i++) {
buf += props_[i];
if (i != props_.size() - 1) {
buf += ", ";
}
}
buf += "]";
}
return buf;
}

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30 changes: 5 additions & 25 deletions src/common/expression/TextSearchExpression.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,8 @@ class TextSearchArgument final {
public:
static TextSearchArgument* make(ObjectPool* pool,
const std::string& index,
const std::string& query,
const std::vector<std::string>& props) {
return pool->makeAndAdd<TextSearchArgument>(index, query, props);
const std::string& query) {
return pool->makeAndAdd<TextSearchArgument>(index, query);
}

~TextSearchArgument() = default;
Expand All @@ -30,35 +29,18 @@ class TextSearchArgument final {
return query_;
}

std::vector<std::string>& props() {
return props_;
}

int64_t& offset() {
return offset_;
}

int64_t& count() {
return count_;
}

bool operator==(const TextSearchArgument& rhs) const;

std::string toString() const;

private:
friend ObjectPool;
TextSearchArgument(const std::string& index,
const std::string& query,
const std::vector<std::string>& props)
: index_(index), query_(query), props_(props) {}
TextSearchArgument(const std::string& index, const std::string& query)
: index_(index), query_(query) {}

private:
std::string index_;
std::string query_;
std::vector<std::string> props_;
int64_t count_ = 0;
int64_t offset_ = 0;
};

class TextSearchExpression : public Expression {
Expand All @@ -85,9 +67,7 @@ class TextSearchExpression : public Expression {
std::string toString() const override;

Expression* clone() const override {
auto arg = TextSearchArgument::make(pool_, arg_->index(), arg_->query(), arg_->props());
arg->count() = arg_->count();
arg->offset() = arg_->offset();
auto arg = TextSearchArgument::make(pool_, arg_->index(), arg_->query());
return TextSearchExpression::make(pool_, kind_, arg);
}

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5 changes: 0 additions & 5 deletions src/common/plugin/fulltext/elasticsearch/ESAdapter.cpp
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Expand Up @@ -189,17 +189,12 @@ Status ESAdapter::bulk(const ESBulk& bulk, bool refresh) {

StatusOr<ESQueryResult> ESAdapter::queryString(const std::string& index,
const std::string& query,
const std::vector<std::string>& fields,
int64_t from,
int64_t size) {
folly::dynamic body = folly::dynamic::object();
body["query"] = folly::dynamic::object();
body["query"]["query_string"] = folly::dynamic::object();
body["query"]["query_string"]["query"] = query;
body["query"]["query_string"]["fields"] = folly::dynamic::array();
for (auto& field : fields) {
body["query"]["query_string"]["fields"].push_back(field);
}
if (size > 0) {
body["size"] = size;
body["from"] = from;
Expand Down
1 change: 0 additions & 1 deletion src/common/plugin/fulltext/elasticsearch/ESAdapter.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,6 @@ class ESAdapter {

virtual StatusOr<ESQueryResult> queryString(const std::string& index,
const std::string& query,
const std::vector<std::string>& fields,
int64_t from,
int64_t size);

Expand Down
16 changes: 6 additions & 10 deletions src/graph/executor/query/FulltextIndexScanExecutor.cpp
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Expand Up @@ -33,20 +33,18 @@ folly::Future<Status> FulltextIndexScanExecutor::execute() {
if (ftIndexScan->isEdge()) {
DataSet edges({"edge"});
for (auto& item : esResultValue.items) {
// TODO(hs.zhang): return item.score
Edge edge;
edge.src = item.src;
edge.dst = item.dst;
edge.ranking = item.rank;
edge.type = ftIndexScan->schemaId();
edges.emplace_back(Row({std::move(edge)}));
edges.emplace_back(Row({std::move(edge), item.score}));
}
finish(ResultBuilder().value(Value(std::move(edges))).iter(Iterator::Kind::kProp).build());
} else {
DataSet vertices({kVid});
for (auto& item : esResultValue.items) {
// TODO(hs.zhang): return item.score
vertices.emplace_back(Row({item.vid}));
vertices.emplace_back(Row({item.vid, item.score}));
}
finish(ResultBuilder().value(Value(std::move(vertices))).iter(Iterator::Kind::kProp).build());
}
Expand Down Expand Up @@ -78,17 +76,15 @@ StatusOr<plugin::ESQueryResult> FulltextIndexScanExecutor::accessFulltextIndex(
TextSearchExpression* tsExpr) {
std::function<StatusOr<nebula::plugin::ESQueryResult>()> execFunc;
plugin::ESAdapter& esAdapter = esAdapter_;
auto* ftIndexScan = asNode<FulltextIndexScan>(node());
switch (tsExpr->kind()) {
case Expression::Kind::kESQUERY: {
auto arg = tsExpr->arg();
auto index = arg->index();
auto query = arg->query();
auto props = arg->props();
auto count = arg->count();
auto offset = arg->offset();
execFunc = [=, &esAdapter]() {
return esAdapter.queryString(index, query, props, offset, count);
};
int64_t offset = ftIndexScan->offset();
int64_t count = ftIndexScan->limit();
execFunc = [=, &esAdapter]() { return esAdapter.queryString(index, query, offset, count); };
break;
}
default: {
Expand Down
42 changes: 7 additions & 35 deletions src/graph/validator/LookupValidator.cpp
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Expand Up @@ -164,42 +164,14 @@ Status LookupValidator::validateWhere() {
std::string& index = arg->index();
auto metaClient = qctx_->getMetaClient();
meta::cpp2::FTIndex ftIndex;
if (index.empty()) {
auto result = metaClient->getFTIndexFromCache(spaceId(), schemaId());
NG_RETURN_IF_ERROR(result);
auto indexes = std::move(result).value();
if (indexes.size() == 0) {
return Status::Error("There is no ft index of schema");
} else if (indexes.size() > 1) {
return Status::Error("There is more than one schema, one must be specified");
}
index = indexes.begin()->first;
ftIndex = indexes.begin()->second;
} else {
// TODO(hs.zhang): Directly get `ftIndex` by `index`
auto result = metaClient->getFTIndexFromCache(spaceId(), schemaId());
NG_RETURN_IF_ERROR(result);
auto indexes = std::move(result).value();
auto iter = indexes.find(index);
if (iter == indexes.end()) {
return Status::Error("Index %s is not found", index.c_str());
}
ftIndex = iter->second;
}
auto& props = arg->props();
if (props.empty()) {
for (auto& f : *ftIndex.fields()) {
props.push_back(f);
}
} else {
std::set<std::string> fields(ftIndex.fields()->begin(), ftIndex.fields()->end());
for (auto& p : props) {
if (fields.count(p)) {
continue;
}
return Status::Error("Index %s does not include %s", index.c_str(), p.c_str());
}
auto result = metaClient->getFTIndexFromCache(spaceId(), schemaId());
NG_RETURN_IF_ERROR(result);
auto indexes = std::move(result).value();
auto iter = indexes.find(index);
if (iter == indexes.end()) {
return Status::Error("Index %s is not found", index.c_str());
}
ftIndex = iter->second;
} else {
if (filter != nullptr) {
auto vars = graph::ExpressionUtils::ExtractInnerVars(filter, qctx_);
Expand Down
34 changes: 4 additions & 30 deletions src/parser/parser.yy
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Original file line number Diff line number Diff line change
Expand Up @@ -2066,38 +2066,12 @@ sign_out_service_sentence


text_search_argument
: STRING COMMA STRING COMMA L_BRACKET name_label_list R_BRACKET{
std::vector<std::string> props;
for(auto& p:$6->labels()){
props.push_back(*p);
}
delete $6;
auto args = TextSearchArgument::make(qctx->objPool(), *$1, *$3, props);
delete $1;
delete $3;
$$ = args;
}
| STRING COMMA STRING {
auto args = TextSearchArgument::make(qctx->objPool(), *$1, *$3, {});
: name_label COMMA STRING {
auto args = TextSearchArgument::make(qctx->objPool(), *$1, *$3);
delete $1;
delete $3;
$$ = args;
}
| STRING COMMA L_BRACKET name_label_list R_BRACKET {
std::vector<std::string> props;
for(auto& p:$4->labels()){
props.push_back(*p);
}
delete $4;
auto args = TextSearchArgument::make(qctx->objPool(), "", *$1, props);
delete $1;
$$ = args;
}
| STRING {
auto args = TextSearchArgument::make(qctx->objPool(), "", *$1, {});
delete $1;
$$ = args;
}
;

text_search_expression
Expand Down Expand Up @@ -2637,8 +2611,8 @@ opt_analyzer
: %empty {
$$ = nullptr;
}
| KW_USE KW_ANALYZER ASSIGN STRING {
$$ = $4;
| KW_ANALYZER ASSIGN STRING {
$$ = $3;
}
;

Expand Down
17 changes: 1 addition & 16 deletions src/parser/test/ParserTest.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2929,22 +2929,7 @@ TEST_F(ParserTest, Zone) {

TEST_F(ParserTest, FullText) {
{
std::string query = "LOOKUP ON t1 WHERE ES_QUERY(\"abc\", \"qwerty\", [a,b,c,d])";
auto result = parse(query);
EXPECT_TRUE(result.ok()) << result.status();
}
{
std::string query = "LOOKUP ON t1 WHERE ES_QUERY(\"qwerty\", [a,b,c,d])";
auto result = parse(query);
EXPECT_TRUE(result.ok()) << result.status();
}
{
std::string query = "LOOKUP ON t1 WHERE ES_QUERY(\"index1\", \"qwerty\")";
auto result = parse(query);
EXPECT_TRUE(result.ok()) << result.status();
}
{
std::string query = "LOOKUP ON t1 WHERE ES_QUERY(\"qwerty\")";
std::string query = "LOOKUP ON t1 WHERE ES_QUERY(abc, \"qwerty\")";
auto result = parse(query);
EXPECT_TRUE(result.ok()) << result.status();
}
Expand Down