Moved other yql/essentials libs YQL-19206

init
commit_hash:7d4c435602078407bbf20dd3c32f9c90d2bbcbc0

1 files changed, 435 insertions, 0 deletions

diff --git a/yql/essentials/sql/v0/insert.cpp b/yql/essentials/sql/v0/insert.cpp
new file mode 100644
index 0000000000..9558a04f0e
--- /dev/null
+++ b/yql/essentials/sql/v0/insert.cpp
@@ -0,0 +1,435 @@
+#include "node.h"
+#include "context.h"
+
+#include <yql/essentials/utils/yql_panic.h>
+
+using namespace NYql;
+
+namespace NSQLTranslationV0 {
+
+static const TMap<ESQLWriteColumnMode, EWriteColumnMode> sqlIntoMode2WriteColumn = {
+    {ESQLWriteColumnMode::InsertInto, EWriteColumnMode::Insert},
+    {ESQLWriteColumnMode::InsertOrAbortInto, EWriteColumnMode::InsertOrAbort},
+    {ESQLWriteColumnMode::InsertOrIgnoreInto, EWriteColumnMode::InsertOrIgnore},
+    {ESQLWriteColumnMode::InsertOrRevertInto, EWriteColumnMode::InsertOrRevert},
+    {ESQLWriteColumnMode::UpsertInto, EWriteColumnMode::Upsert},
+    {ESQLWriteColumnMode::ReplaceInto, EWriteColumnMode::Replace},
+    {ESQLWriteColumnMode::InsertIntoWithTruncate, EWriteColumnMode::Renew},
+    {ESQLWriteColumnMode::Update, EWriteColumnMode::Update},
+    {ESQLWriteColumnMode::Delete, EWriteColumnMode::Delete},
+};
+
+class TModifySourceBase: public ISource {
+public:
+    TModifySourceBase(TPosition pos, const TVector<TString>& columnsHint)
+        : ISource(pos)
+        , ColumnsHint(columnsHint)
+    {
+    }
+
+    bool AddFilter(TContext& ctx, TNodePtr filter) override {
+        Y_UNUSED(filter);
+        ctx.Error(Pos) << "Source does not allow filtering";
+        return false;
+    }
+
+    bool AddGroupKey(TContext& ctx, const TString& column) override {
+        Y_UNUSED(column);
+        ctx.Error(Pos) << "Source does not allow grouping";
+        return false;
+    }
+
+    bool AddAggregation(TContext& ctx, TAggregationPtr aggr) override {
+        Y_UNUSED(aggr);
+        ctx.Error(Pos) << "Source does not allow aggregation";
+        return false;
+    }
+
+    TNodePtr BuildFilter(TContext& ctx, const TString& label, const TNodePtr& groundNode) override {
+        Y_UNUSED(ctx);
+        Y_UNUSED(label);
+        Y_UNUSED(groundNode);
+        return nullptr;
+    }
+
+    TNodePtr BuildAggregation(const TString& label) override {
+        Y_UNUSED(label);
+        return nullptr;
+    }
+
+protected:
+    TVector<TString> ColumnsHint;
+    TString OperationHumanName;
+};
+
+class TUpdateByValues: public TModifySourceBase {
+public:
+    TUpdateByValues(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, const TVector<TNodePtr>& values)
+        : TModifySourceBase(pos, columnsHint)
+        , OperationHumanName(operationHumanName)
+        , Values(values)
+    {}
+
+    bool DoInit(TContext& ctx, ISource* src) override {
+        if (ColumnsHint.size() != Values.size()) {
+            ctx.Error(Pos) << "VALUES have " << Values.size() << " columns, " << OperationHumanName << " expects: " << ColumnsHint.size();
+            return false;
+        }
+        for (auto& value: Values) {
+            if (!value->Init(ctx, src)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    TNodePtr Build(TContext& ctx) override {
+        Y_UNUSED(ctx);
+        YQL_ENSURE(Values.size() == ColumnsHint.size());
+
+        auto structObj = Y("AsStruct");
+        for (size_t i = 0; i < Values.size(); ++i) {
+            TString column = ColumnsHint[i];
+            TNodePtr value = Values[i];
+
+            structObj = L(structObj, Q(Y(Q(column), value)));
+        }
+
+        auto updateRow = BuildLambda(Pos, Y("row"), structObj);
+        return updateRow;
+    }
+
+    TNodePtr DoClone() const final {
+        return new TUpdateByValues(Pos, OperationHumanName, ColumnsHint, CloneContainer(Values));
+    }
+private:
+    TString OperationHumanName;
+
+protected:
+    TVector<TNodePtr> Values;
+};
+
+class TModifyByValues: public TModifySourceBase {
+public:
+    TModifyByValues(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, const TVector<TVector<TNodePtr>>& values)
+        : TModifySourceBase(pos, columnsHint)
+        , OperationHumanName(operationHumanName)
+        , Values(values)
+    {
+        FakeSource = BuildFakeSource(pos);
+    }
+
+    bool DoInit(TContext& ctx, ISource* src) override {
+        Y_UNUSED(src);
+        bool hasError = false;
+        for (const auto& row: Values) {
+            if (ColumnsHint.empty()) {
+                ctx.Error(Pos) << OperationHumanName << " ... VALUES requires specification of table columns";
+                hasError = true;
+                continue;
+            }
+            if (ColumnsHint.size() != row.size()) {
+                ctx.Error(Pos) << "VALUES have " << row.size() << " columns, " << OperationHumanName << " expects: " << ColumnsHint.size();
+                hasError = true;
+                continue;
+            }
+            for (auto& value: row) {
+                if (!value->Init(ctx, FakeSource.Get())) {
+                    hasError = true;
+                    continue;
+                }
+            }
+        }
+        return !hasError;
+    }
+
+    TNodePtr Build(TContext& ctx) override {
+        Y_UNUSED(ctx);
+        auto tuple = Y();
+        for (const auto& row: Values) {
+            auto rowValues = Y("AsStruct");
+            auto column = ColumnsHint.begin();
+            for (auto value: row) {
+                rowValues = L(rowValues, Q(Y(BuildQuotedAtom(Pos, *column), value)));
+                ++column;
+            }
+            tuple = L(tuple, rowValues);
+        }
+        return Y("EnsurePersistable", Q(tuple));
+    }
+
+    TNodePtr DoClone() const final {
+        TVector<TVector<TNodePtr>> clonedValues;
+        clonedValues.reserve(Values.size());
+        for (auto cur: Values) {
+            clonedValues.push_back(CloneContainer(cur));
+        }
+        return new TModifyByValues(Pos, OperationHumanName, ColumnsHint, clonedValues);
+    }
+
+private:
+    TString OperationHumanName;
+    TVector<TVector<TNodePtr>> Values;
+    TSourcePtr FakeSource;
+};
+
+class TModifyBySource: public TModifySourceBase {
+public:
+    TModifyBySource(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, TSourcePtr source)
+        : TModifySourceBase(pos, columnsHint)
+        , OperationHumanName(operationHumanName)
+        , Source(std::move(source))
+    {}
+
+    void GetInputTables(TTableList& tableList) const override {
+        if (Source) {
+            return Source->GetInputTables(tableList);
+        }
+    }
+
+    bool DoInit(TContext& ctx, ISource* src) override {
+        if (!Source->Init(ctx, src)) {
+            return false;
+        }
+        const auto& sourceColumns = Source->GetColumns();
+        const auto numColumns = !ColumnsHint.empty() && sourceColumns ? sourceColumns->List.size() : 0;
+        if (ColumnsHint.size() != numColumns) {
+            ctx.Error(Pos) << "SELECT has " << numColumns << " columns, " << OperationHumanName << " expects: " << ColumnsHint.size();
+            return false;
+        }
+        if (numColumns) {
+            TStringStream str;
+            bool mismatchFound = false;
+            for (size_t i = 0; i < numColumns; ++i) {
+                bool hasName = sourceColumns->NamedColumns[i];
+                if (hasName) {
+                    const auto& hintColumn = ColumnsHint[i];
+                    const auto& sourceColumn = sourceColumns->List[i];
+                    if (hintColumn != sourceColumn) {
+                        if (!mismatchFound) {
+                            str << "Column names in SELECT don't match column specification in parenthesis";
+                            mismatchFound = true;
+                        }
+                        str << ". \"" << hintColumn << "\" doesn't match \"" << sourceColumn << "\"";
+                    }
+                }
+            }
+            if (mismatchFound) {
+                ctx.Warning(Pos, TIssuesIds::YQL_SOURCE_SELECT_COLUMN_MISMATCH) << str.Str();
+            }
+        }
+        return true;
+    }
+
+    TNodePtr Build(TContext& ctx) override {
+        auto input = Source->Build(ctx);
+        if (ColumnsHint.empty() || !Source->GetColumns()) {
+            return input;
+        }
+        auto srcColumn = Source->GetColumns()->List.begin();
+        auto structObj = Y("AsStruct");
+        for (auto column: ColumnsHint) {
+            structObj = L(structObj, Q(Y(BuildQuotedAtom(Pos, column),
+                Y("Member", "row", BuildQuotedAtom(Pos, *srcColumn))
+            )));
+            ++srcColumn;
+        }
+        return Y("OrderedMap", input, BuildLambda(Pos, Y("row"), structObj));
+    }
+
+    TNodePtr DoClone() const final {
+        return new TModifyBySource(Pos, OperationHumanName, ColumnsHint, Source->CloneSource());
+    }
+
+    bool IsOrdered() const final {
+        return Source->IsOrdered();
+    }
+
+private:
+    TString OperationHumanName;
+    TSourcePtr Source;
+};
+
+TSourcePtr BuildWriteValues(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, const TVector<TVector<TNodePtr>>& values) {
+    return new TModifyByValues(pos, operationHumanName, columnsHint, values);
+}
+
+TSourcePtr BuildWriteValues(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, const TVector<TNodePtr>& values) {
+    return new TModifyByValues(pos, operationHumanName, columnsHint, {values});
+}
+
+TSourcePtr BuildWriteValues(TPosition pos, const TString& operationHumanName, const TVector<TString>& columnsHint, TSourcePtr source) {
+    return new TModifyBySource(pos, operationHumanName, columnsHint, std::move(source));
+}
+
+TSourcePtr BuildUpdateValues(TPosition pos, const TVector<TString>& columnsHint, const TVector<TNodePtr>& values) {
+    return new TUpdateByValues(pos, "UPDATE", columnsHint, values);
+}
+
+class TWriteColumnsNode: public TAstListNode {
+public:
+    TWriteColumnsNode(TPosition pos, const TTableRef& table, EWriteColumnMode mode, TSourcePtr values = nullptr, TNodePtr options = nullptr)
+        : TAstListNode(pos)
+        , Table(table)
+        , Mode(mode)
+        , Values(std::move(values))
+        , Options(std::move(options))
+    {
+        FakeSource = BuildFakeSource(pos);
+    }
+
+    void ResetSource(TSourcePtr source) {
+        TableSource = std::move(source);
+    }
+
+    void ResetUpdate(TSourcePtr update) {
+        Update = std::move(update);
+    }
+
+    bool DoInit(TContext& ctx, ISource* src) override {
+        if (!Table.Check(ctx)) {
+            return false;
+        }
+
+        TTableList tableList;
+        TNodePtr values;
+        auto options = Y();
+        if (Options) {
+            if (!Options->Init(ctx, src)) {
+                return false;
+            }
+            options = L(Options);
+        }
+
+        ISource* underlyingSrc = src;
+
+        if (TableSource) {
+            ctx.PushBlockShortcuts();
+            if (!TableSource->Init(ctx, src) || !TableSource->InitFilters(ctx)) {
+                return false;
+            }
+            options = L(options, Q(Y(Q("filter"), TableSource->BuildFilterLambda(ctx.GroundBlockShortcuts(Pos)))));
+        }
+
+        bool unordered = false;
+        ctx.PushBlockShortcuts();
+        if (Values) {
+            if (!Values->Init(ctx, TableSource.Get())) {
+                return false;
+            }
+
+            Values->GetInputTables(tableList);
+            underlyingSrc = Values.Get();
+            values = Values->Build(ctx);
+            if (!values) {
+                return false;
+            }
+            unordered = !Values->IsOrdered();
+        }
+
+        TNodePtr node(BuildInputTables(Pos, tableList, false));
+        if (!node->Init(ctx, underlyingSrc)) {
+            return false;
+        }
+
+        if (Update) {
+            if (!Update->Init(ctx, TableSource.Get()) || !Update->InitFilters(ctx)) {
+                return false;
+            }
+            options = L(options, Q(Y(Q("update"), Update->Build(ctx))));
+        }
+
+        auto write = BuildWriteTable(Pos, "values", Table, Mode, std::move(options));
+        if (!write->Init(ctx, FakeSource.Get())) {
+            return false;
+        }
+        node = ctx.GroundBlockShortcuts(Pos, node);
+        if (values) {
+            node = L(node, Y("let", "values", values));
+            if (unordered && ctx.UseUnordered(Table)) {
+                node = L(node, Y("let", "values", Y("Unordered", "values")));
+            }
+        } else {
+            node = L(node, Y("let", "values", Y("Void")));
+        }
+        node = L(node, Y("let", "world", write));
+        node = L(node, Y("return", "world"));
+
+        Add("block", Q(node));
+        return true;
+    }
+
+    TNodePtr DoClone() const final {
+        return {};
+    }
+
+protected:
+    TTableRef Table;
+    TSourcePtr TableSource;
+    EWriteColumnMode Mode;
+    TSourcePtr Values;
+    TSourcePtr Update;
+    TSourcePtr FakeSource;
+    TNodePtr Options;
+};
+
+EWriteColumnMode ToWriteColumnsMode(ESQLWriteColumnMode sqlWriteColumnMode) {
+    return sqlIntoMode2WriteColumn.at(sqlWriteColumnMode);
+}
+
+TNodePtr BuildWriteColumns(TPosition pos, const TTableRef& table, EWriteColumnMode mode, TSourcePtr values, TNodePtr options) {
+    YQL_ENSURE(values, "Invalid values node");
+    return new TWriteColumnsNode(pos, table, mode, std::move(values), std::move(options));
+}
+
+TNodePtr BuildUpdateColumns(TPosition pos, const TTableRef& table, TSourcePtr values, TSourcePtr source) {
+    YQL_ENSURE(values, "Invalid values node");
+    TIntrusivePtr<TWriteColumnsNode> writeNode = new TWriteColumnsNode(pos, table, EWriteColumnMode::Update);
+    writeNode->ResetSource(std::move(source));
+    writeNode->ResetUpdate(std::move(values));
+    return writeNode;
+}
+
+TNodePtr BuildDelete(TPosition pos, const TTableRef& table, TSourcePtr source) {
+    TIntrusivePtr<TWriteColumnsNode> writeNode = new TWriteColumnsNode(pos, table, EWriteColumnMode::Delete);
+    writeNode->ResetSource(std::move(source));
+    return writeNode;
+}
+
+
+class TEraseColumnsNode: public TAstListNode {
+public:
+    TEraseColumnsNode(TPosition pos, const TVector<TString>& columns)
+        : TAstListNode(pos)
+        , Columns(columns)
+    {
+    }
+
+    bool DoInit(TContext& ctx, ISource* src) override {
+        Y_UNUSED(ctx);
+        Y_UNUSED(src);
+
+        TNodePtr columnList = Y();
+        for (const auto& column: Columns) {
+            columnList->Add(Q(column));
+        }
+
+        Add(Q(Y(Q("erase_columns"), Q(columnList))));
+
+        return true;
+    }
+
+    TNodePtr DoClone() const final {
+        return {};
+    }
+
+private:
+    TVector<TString> Columns;
+};
+
+
+TNodePtr BuildEraseColumns(TPosition pos, const TVector<TString>& columns) {
+    return new TEraseColumnsNode(pos, columns);
+}
+
+} // namespace NSQLTranslationV0