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#pragma once
#include "node.h"
#include "sql.h"
#include <yql/essentials/providers/common/provider/yql_provider_names.h>
#include <yql/essentials/core/issue/protos/issue_id.pb.h>
#include <yql/essentials/public/issue/yql_warning.h>
#include <yql/essentials/sql/settings/translation_settings.h>
#include <yql/essentials/sql/cluster_mapping.h>
#include <util/generic/hash.h>
#include <util/generic/map.h>
#include <util/generic/maybe.h>
#include <util/generic/set.h>
#include <util/generic/stack.h>
#include <util/generic/vector.h>
namespace NSQLTranslationV0 {
typedef TMap<TString, TNodePtr> TNamedNodesMap;
class TContext {
public:
TContext(const NSQLTranslation::TTranslationSettings& settings,
NYql::TIssues& issues);
virtual ~TContext();
const NYql::TPosition& Pos() const;
void ClearBlockScope();
TString MakeName(const TString& name);
IOutputStream& Error();
IOutputStream& Error(NYql::TPosition pos);
IOutputStream& Warning(NYql::TPosition pos, NYql::TIssueCode code);
IOutputStream& Info(NYql::TPosition pos);
template <typename TToken>
const TString& Token(const TToken& token) {
Position.Row = token.GetLine();
Position.Column = token.GetColumn() + 1;
return token.GetValue();
}
template <typename TToken>
TPosition TokenPosition(const TToken& token) {
TPosition pos = Position;
pos.Row = token.GetLine();
pos.Column = token.GetColumn() + 1;
return pos;
}
inline void IncrementMonCounter(const TString& name, const TString& value) {
if (IncrementMonCounterFunction) {
IncrementMonCounterFunction(name, value);
}
}
bool HasCluster(const TString& cluster) const {
return GetClusterProvider(cluster).Defined();
}
TMaybe<TString> GetClusterProvider(const TString& cluster) const {
TString unusedNormalizedClusterName;
return GetClusterProvider(cluster, unusedNormalizedClusterName);
}
TMaybe<TString> GetClusterProvider(const TString& cluster, TString& normalizedClusterName) const {
auto provider = ClusterMapping.GetClusterProvider(cluster, normalizedClusterName);
if (!provider) {
if (Settings.AssumeYdbOnClusterWithSlash && cluster.StartsWith('/')) {
normalizedClusterName = cluster;
return TString(NYql::KikimrProviderName);
}
return Nothing();
}
return provider;
}
TString GetServiceName(const ISource& source) const;
bool UseUnordered(const ISource& source) const;
bool UseUnordered(const TTableRef& table) const;
bool SetPathPrefix(const TString& value, TMaybe<TString> arg = TMaybe<TString>());
TNodePtr GetPrefixedPath(const TString& cluster, const TDeferredAtom& path);
TNodePtr UniversalAlias(const TString& baseName, TNodePtr&& node);
TString HasBlockShortcut(const TNodePtr& baseNode);
TString RegisterBlockShortcut(const TNodePtr& baseNode, const TNodePtr& node, const TString& baseName);
TNodePtr GetBlockShortcut(const TString& alias) const;
TNodePtr GroundBlockShortcuts(NYql::TPosition pos, TNodePtr groundList = {});
TNodePtr GroundBlockShortcutsForExpr(const TNodePtr& expr);
void PushBlockShortcuts();
void PopBlockShortcuts();
void BodyPart() {
IntoHeading = false;
}
bool IsParseHeading() const {
return IntoHeading;
}
bool DeclareVariable(const TString& varName, const TNodePtr& typeNode);
bool AddExports(const TVector<TString>& symbols);
TString AddImport(const TVector<TString>& modulePath);
TString AddSimpleUdf(const TString& udf);
private:
IOutputStream& MakeIssue(NYql::ESeverity severity, NYql::TIssueCode code, NYql::TPosition pos);
private:
NYql::TPosition Position;
THolder<TStringOutput> IssueMsgHolder;
NSQLTranslation::TClusterMapping ClusterMapping;
TString PathPrefix;
THashMap<TString, TString> ProviderPathPrefixes;
THashMap<TString, TString> ClusterPathPrefixes;
bool IntoHeading = true;
public:
THashMap<TString, TNodePtr> Variables;
NSQLTranslation::TTranslationSettings Settings;
std::unique_ptr<TMemoryPool> Pool;
NYql::TIssues& Issues;
TMap<TString, TStack<TNodePtr>> NamedNodes;
TMap<TString, TNodePtr> UniversalAliases;
THashSet<TString> Exports;
THashMap<TString, TString> ImportModuleAliases;
TMap<TString, TString> SimpleUdfs;
NSQLTranslation::TIncrementMonCounterFunction IncrementMonCounterFunction;
TString CurrCluster;
bool HasPendingErrors;
THashMap<TString, ui32> GenIndexes;
bool PragmaRefSelect = false;
bool PragmaSampleSelect = false;
bool PragmaAllowDotInAlias = false;
bool PragmaInferSchema = false;
bool PragmaAutoCommit = false;
bool SimpleColumns = false;
bool PragmaDirectRead = false;
bool PragmaYsonAutoConvert = false;
bool PragmaYsonStrict = false;
bool PragmaClassicDivision = true;
bool PragmaPullUpFlatMapOverJoin = true;
bool EnableSystemColumns = true;
ui32 ResultRowsLimit = 0;
ui64 ResultSizeLimit = 0;
ui32 PragmaGroupByLimit = 1 << 6;
ui32 PragmaGroupByCubeLimit = 5;
THashSet<TString> Libraries;
NYql::TWarningPolicy WarningPolicy;
TVector<TString> AllResults;
TSet<TString> UsedClusters;
struct ShortcutStore {
THashMap<INode*, TString> BaseMap;
TVector<std::pair<TString, TNodePtr>> Goal;
};
THashMap<ui32, ShortcutStore> Shortcuts;
ui32 ShortcutCurrentLevel = 0;
};
class TTranslation {
protected:
typedef TSet<ui32> TSetType;
protected:
TTranslation(TContext& ctx);
public:
TContext& Context();
IOutputStream& Error();
template <typename TToken>
const TString& Token(const TToken& token) {
return Ctx.Token(token);
}
template <typename TToken>
TString Identifier(const TToken& token) {
return IdContent(Ctx, Token(token));
}
TString Identifier(const TString& str) const {
return IdContent(Ctx, str);
}
TNodePtr GetNamedNode(const TString& name);
void PushNamedNode(const TString& name, TNodePtr node);
void PopNamedNode(const TString& name);
template <typename TNode>
void AltNotImplemented(const TString& ruleName, const TNode& node) {
AltNotImplemented(ruleName, node.Alt_case(), node, TNode::descriptor());
}
template <typename TNode>
TString AltDescription(const TNode& node) const {
return AltDescription(node, node.Alt_case(), TNode::descriptor());
}
protected:
void AltNotImplemented(const TString& ruleName, ui32 altCase, const google::protobuf::Message& node, const google::protobuf::Descriptor* descr);
TString AltDescription(const google::protobuf::Message& node, ui32 altCase, const google::protobuf::Descriptor* descr) const;
protected:
TContext& Ctx;
};
} // namespace NSQLTranslationV0
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