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#include <yql/essentials/sql/v1/complete/sql_complete.h>
#include <yql/essentials/sql/v1/complete/name/cluster/static/discovery.h>
#include <yql/essentials/sql/v1/complete/name/object/simple/static/schema_json.h>
#include <yql/essentials/sql/v1/complete/name/service/ranking/frequency.h>
#include <yql/essentials/sql/v1/complete/name/service/ranking/ranking.h>
#include <yql/essentials/sql/v1/complete/name/service/static/name_service.h>
#include <yql/essentials/sql/v1/complete/name/service/cluster/name_service.h>
#include <yql/essentials/sql/v1/complete/name/service/schema/name_service.h>
#include <yql/essentials/sql/v1/complete/name/service/union/name_service.h>
#include <yql/essentials/sql/v1/lexer/antlr4_pure/lexer.h>
#include <yql/essentials/sql/v1/lexer/antlr4_pure_ansi/lexer.h>
#include <yql/essentials/utils/utf8.h>
#include <library/cpp/getopt/last_getopt.h>
#include <library/cpp/json/json_reader.h>
#include <library/cpp/iterator/iterate_keys.h>
#include <library/cpp/iterator/functools.h>
#include <util/charset/utf8.h>
#include <util/stream/file.h>
NSQLComplete::TFrequencyData LoadFrequencyDataFromFile(TString filepath) {
TString text = TUnbufferedFileInput(filepath).ReadAll();
return NSQLComplete::Pruned(NSQLComplete::ParseJsonFrequencyData(text));
}
NJson::TJsonMap LoadSchemaJsonFromFile(TString filepath) {
TString text = TUnbufferedFileInput(filepath).ReadAll();
NJson::TJsonMap map;
if (!NJson::ReadJsonTree(text, &map)) {
ythrow yexception() << "Failed to parse JSON: '" << text << "'";
}
return map;
}
NSQLComplete::TLexerSupplier MakePureLexerSupplier() {
NSQLTranslationV1::TLexers lexers;
lexers.Antlr4Pure = NSQLTranslationV1::MakeAntlr4PureLexerFactory();
lexers.Antlr4PureAnsi = NSQLTranslationV1::MakeAntlr4PureAnsiLexerFactory();
return [lexers = std::move(lexers)](bool ansi) {
return NSQLTranslationV1::MakeLexer(
lexers, ansi, /* antlr4 = */ true,
NSQLTranslationV1::ELexerFlavor::Pure);
};
}
size_t UTF8PositionToBytes(const TStringBuf text, size_t position) {
const TStringBuf substr = SubstrUTF8(text, position, text.length());
return substr.begin() - text.begin();
}
int Run(int argc, char* argv[]) {
NLastGetopt::TOpts opts = NLastGetopt::TOpts::Default();
TString inFileName;
TString inQueryText;
TString freqFileName;
TString schemaFileName;
TMaybe<ui64> pos;
opts.AddLongOption('i', "input", "input file").RequiredArgument("input").StoreResult(&inFileName);
opts.AddLongOption('q', "query", "input query text").RequiredArgument("query").StoreResult(&inQueryText);
opts.AddLongOption('f', "freq", "frequences file").StoreResult(&freqFileName);
opts.AddLongOption('s', "schema", "schema file").StoreResult(&schemaFileName);
opts.AddLongOption('p', "pos", "position").StoreResult(&pos);
opts.SetFreeArgsNum(0);
opts.AddHelpOption();
NLastGetopt::TOptsParseResult res(&opts, argc, argv);
if (res.Has("input") && res.Has("query")) {
ythrow yexception() << "use either 'input' or 'query', not both";
}
TString queryString;
if (res.Has("query")) {
queryString = std::move(inQueryText);
} else {
THolder<TUnbufferedFileInput> inFile;
if (!inFileName.empty()) {
inFile.Reset(new TUnbufferedFileInput(inFileName));
}
IInputStream& in = inFile ? *inFile.Get() : Cin;
queryString = in.ReadAll();
}
NSQLComplete::TFrequencyData frequency;
if (freqFileName.empty()) {
frequency = NSQLComplete::LoadFrequencyData();
} else {
frequency = LoadFrequencyDataFromFile(freqFileName);
}
auto ranking = NSQLComplete::MakeDefaultRanking(frequency);
TVector<NSQLComplete::INameService::TPtr> services;
services.emplace_back(
NSQLComplete::MakeStaticNameService(
NSQLComplete::LoadDefaultNameSet(), ranking));
if (!schemaFileName.empty()) {
NJson::TJsonMap schema = LoadSchemaJsonFromFile(schemaFileName);
services.emplace_back(
NSQLComplete::MakeSchemaNameService(
NSQLComplete::MakeSimpleSchema(
NSQLComplete::MakeStaticSimpleSchema(schema))));
auto clustersIt = NFuncTools::Filter(
[](const auto& x) { return !x.empty(); },
IterateKeys(schema.GetMapSafe()));
TVector<TString> clusters(clustersIt.begin(), clustersIt.end());
services.emplace_back(
NSQLComplete::MakeClusterNameService(
NSQLComplete::MakeStaticClusterDiscovery(std::move(clusters))));
}
auto engine = NSQLComplete::MakeSqlCompletionEngine(
MakePureLexerSupplier(),
NSQLComplete::MakeUnionNameService(std::move(services), ranking));
if (!NYql::IsUtf8(queryString)) {
ythrow yexception() << "provided input is not UTF encoded";
}
if (auto count = Count(queryString, '#'); 1 < count) {
ythrow yexception() << "provided input contains " << count << " '#', expected 0 or 1";
}
NSQLComplete::TCompletionInput input = NSQLComplete::SharpedInput(queryString);
auto output = engine->CompleteAsync(input).ExtractValueSync();
for (const auto& c : output.Candidates) {
Cout << "[" << c.Kind << "] " << c.Content << "\n";
}
return 0;
}
int main(int argc, char* argv[]) {
try {
return Run(argc, argv);
} catch (const yexception& e) {
Cerr << "Caught exception:" << e.what() << Endl;
return 1;
} catch (...) {
Cerr << CurrentExceptionMessage() << Endl;
return 1;
}
return 0;
}
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