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#pragma once
#include "configuration.h"
#include <yql/essentials/sql/v1/complete/core/input.h>
#include <yql/essentials/sql/v1/complete/core/environment.h>
#include <yql/essentials/sql/v1/complete/name/service/name_service.h>
#include <yql/essentials/sql/v1/lexer/lexer.h>
#include <library/cpp/threading/future/future.h>
#include <util/generic/string.h>
#include <util/generic/vector.h>
#include <util/generic/hash.h>
#include <util/generic/hash_set.h>
namespace NSQLComplete {
struct TCompletedToken {
TStringBuf Content;
size_t SourcePosition = 0;
};
enum class ECandidateKind {
Keyword,
PragmaName,
TypeName,
FunctionName,
HintName,
FolderName,
TableName,
ClusterName,
ColumnName,
BindingName,
UnknownName,
};
struct TCandidate {
ECandidateKind Kind;
TString Content;
size_t CursorShift = 0;
TMaybe<TString> Documentation = Nothing();
friend bool operator==(const TCandidate& lhs, const TCandidate& rhs) = default;
TString FilterText() const;
};
struct TCompletion {
TCompletedToken CompletedToken;
TVector<TCandidate> Candidates;
};
// TODO(YQL-19747): Make it thread-safe.
class ISqlCompletionEngine {
public:
using TPtr = THolder<ISqlCompletionEngine>;
virtual ~ISqlCompletionEngine() = default;
virtual NThreading::TFuture<TCompletion>
Complete(TCompletionInput input, TEnvironment env = {}) = 0;
virtual NThreading::TFuture<TCompletion> // TODO(YQL-19747): Migrate YDB CLI to `Complete` method
CompleteAsync(TCompletionInput input, TEnvironment env = {}) = 0;
};
using TLexerSupplier = std::function<NSQLTranslation::ILexer::TPtr(bool ansi)>;
ISqlCompletionEngine::TPtr MakeSqlCompletionEngine(
TLexerSupplier lexer,
INameService::TPtr names,
TConfiguration configuration = {});
} // namespace NSQLComplete
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