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#include "yql_mounts.h"
#include <yql/essentials/core/yql_library_compiler.h>
#include <library/cpp/resource/resource.h>
#include <util/folder/path.h>
#include <util/stream/file.h>
namespace NYql {
namespace {
using namespace NUserData;
void AddLibraryFromResource(TUserDataTable& userDataTable, const TString& resourceName) {
auto& block = userDataTable[TUserDataKey::File(resourceName)];
block.Data = NResource::Find(resourceName);
block.Type = EUserDataType::RAW_INLINE_DATA;
block.Usage.Set(EUserDataBlockUsage::Library, true);
}
TUserDataKey CreateKey(const NUserData::TUserData& item) {
TString name = (item.Disposition_ == EDisposition::RESOURCE) ? item.Content_ : item.Name_;
if (!name.StartsWith('/')) {
name = GetDefaultFilePrefix() + name;
}
if (item.Type_ == EType::UDF) {
return TUserDataKey::Udf(name);
} else {
return TUserDataKey::File(name);
}
}
void AddUserDataToTable(
TUserDataTable& userDataTable,
const NUserData::TUserData& item) {
auto& block = userDataTable[CreateKey(item)];
switch (item.Disposition_) {
case EDisposition::INLINE:
block.Data = item.Content_;
block.Type = EUserDataType::RAW_INLINE_DATA;
break;
case EDisposition::RESOURCE:
case EDisposition::RESOURCE_FILE:
block.Data = NResource::Find(item.Content_);
block.Type = EUserDataType::RAW_INLINE_DATA;
break;
case EDisposition::FILESYSTEM:
block.Data = item.Content_;
block.Type = EUserDataType::PATH;
break;
case EDisposition::URL:
block.Data = item.Content_;
block.Type = EUserDataType::URL;
break;
default:
ythrow yexception() << "Unknown disposition for user data \"" << item.Name_ << "\": " << item.Disposition_;
}
switch (item.Type_) {
case EType::LIBRARY:
block.Usage.Set(EUserDataBlockUsage::Library, true);
break;
case EType::FILE:
block.Usage.Set(EUserDataBlockUsage::Content, true);
break;
case EType::UDF:
block.Usage.Set(EUserDataBlockUsage::Udf, true);
break;
default:
ythrow yexception() << "Unknown type for user data \"" << item.Name_ << "\": " << item.Type_;
}
if (item.Type_ == EType::LIBRARY) {
switch (item.Disposition_) {
case EDisposition::INLINE:
case EDisposition::RESOURCE:
case EDisposition::RESOURCE_FILE:
case EDisposition::FILESYSTEM: {
if (item.Disposition_ == EDisposition::FILESYSTEM) {
TFsPath path(block.Data);
if (path.Exists() && path.IsFile()) {
TFileInput input(path);
block.Data = input.ReadAll();
} else {
ythrow yexception() << "File for user data \"" << item.Name_ << "\" does not exist: " << block.Data;
}
block.Type = EUserDataType::RAW_INLINE_DATA;
}
} break;
default:
ythrow yexception() << item.Disposition_ << " disposition is not yet supported for libraries (specified for \"" << item.Name_ << "\")";
}
}
}
}
void LoadYqlDefaultMounts(TUserDataTable& userData) {
AddLibraryFromResource(userData, "/lib/yql/aggregate.yql");
AddLibraryFromResource(userData, "/lib/yql/window.yql");
AddLibraryFromResource(userData, "/lib/yql/id.yql");
AddLibraryFromResource(userData, "/lib/yql/sqr.yql");
AddLibraryFromResource(userData, "/lib/yql/core.yql");
AddLibraryFromResource(userData, "/lib/yql/walk_folders.yql");
}
TUserDataTable GetYqlModuleResolverImpl(
TExprContext* rawCtx,
IModuleResolver::TPtr& moduleResolver,
const TVector<NUserData::TUserData>& userData,
const THashMap<TString, TString>& clusterMapping,
const THashSet<TString>& sqlFlags,
bool optimizeLibraries,
THolder<TExprContext> ownedCtx)
{
auto ctx = rawCtx ? rawCtx : ownedCtx.Get();
Y_ENSURE(ctx);
TUserDataTable mounts;
LoadYqlDefaultMounts(mounts);
TModulesTable modulesTable;
if (!CompileLibraries(mounts, *ctx, modulesTable, optimizeLibraries)) {
return {};
}
for (const auto& item : userData) {
AddUserDataToTable(mounts, item);
}
moduleResolver = std::make_shared<TModuleResolver>(std::move(modulesTable), ctx->NextUniqueId,
clusterMapping, sqlFlags, optimizeLibraries, std::move(ownedCtx));
return mounts;
}
TUserDataTable GetYqlModuleResolver(
TExprContext& ctx,
IModuleResolver::TPtr& moduleResolver,
const TVector<NUserData::TUserData>& userData,
const THashMap<TString, TString>& clusterMapping,
const THashSet<TString>& sqlFlags,
bool optimizeLibraries) {
return GetYqlModuleResolverImpl(&ctx, moduleResolver, userData, clusterMapping, sqlFlags, optimizeLibraries, nullptr);
}
bool GetYqlDefaultModuleResolver(
TExprContext& ctx,
IModuleResolver::TPtr& moduleResolver,
const THashMap<TString, TString>& clusterMapping,
bool optimizeLibraries) {
return !GetYqlModuleResolverImpl(&ctx, moduleResolver, {}, clusterMapping, {}, optimizeLibraries, nullptr).empty();
}
bool GetYqlDefaultModuleResolverWithContext(
IModuleResolver::TPtr& moduleResolver,
const THashMap<TString, TString>& clusterMapping,
bool optimizeLibraries) {
return !GetYqlModuleResolverImpl(nullptr, moduleResolver, {}, clusterMapping, {}, optimizeLibraries, MakeHolder<TExprContext>()).empty();
}
}
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