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#include "sql_into_tables.h"
#include "sql_values.h"
#include <util/string/join.h>
using namespace NYql;
namespace NSQLTranslationV1 {
using NALPDefault::SQLv1LexerTokens;
using namespace NSQLv1Generated;
TNodePtr TSqlIntoTable::Build(const TRule_into_table_stmt& node) {
static const TMap<TString, ESQLWriteColumnMode> str2Mode = {
{"InsertInto", ESQLWriteColumnMode::InsertInto},
{"InsertOrAbortInto", ESQLWriteColumnMode::InsertOrAbortInto},
{"InsertOrIgnoreInto", ESQLWriteColumnMode::InsertOrIgnoreInto},
{"InsertOrRevertInto", ESQLWriteColumnMode::InsertOrRevertInto},
{"UpsertInto", ESQLWriteColumnMode::UpsertInto},
{"ReplaceInto", ESQLWriteColumnMode::ReplaceInto},
{"InsertIntoWithTruncate", ESQLWriteColumnMode::InsertIntoWithTruncate}
};
auto& modeBlock = node.GetBlock1();
TVector<TToken> modeTokens;
switch (modeBlock.Alt_case()) {
case TRule_into_table_stmt_TBlock1::AltCase::kAlt1:
modeTokens = {modeBlock.GetAlt1().GetToken1()};
break;
case TRule_into_table_stmt_TBlock1::AltCase::kAlt2:
modeTokens = {
modeBlock.GetAlt2().GetToken1(),
modeBlock.GetAlt2().GetToken2(),
modeBlock.GetAlt2().GetToken3()
};
break;
case TRule_into_table_stmt_TBlock1::AltCase::kAlt3:
modeTokens = {
modeBlock.GetAlt3().GetToken1(),
modeBlock.GetAlt3().GetToken2(),
modeBlock.GetAlt3().GetToken3()
};
break;
case TRule_into_table_stmt_TBlock1::AltCase::kAlt4:
modeTokens = {
modeBlock.GetAlt4().GetToken1(),
modeBlock.GetAlt4().GetToken2(),
modeBlock.GetAlt4().GetToken3()
};
break;
case TRule_into_table_stmt_TBlock1::AltCase::kAlt5:
modeTokens = {modeBlock.GetAlt5().GetToken1()};
break;
case TRule_into_table_stmt_TBlock1::AltCase::kAlt6:
modeTokens = {modeBlock.GetAlt6().GetToken1()};
break;
case TRule_into_table_stmt_TBlock1::AltCase::ALT_NOT_SET:
Y_ABORT("You should change implementation according to grammar changes");
}
TVector<TString> modeStrings;
modeStrings.reserve(modeTokens.size());
TVector<TString> userModeStrings;
userModeStrings.reserve(modeTokens.size());
for (auto& token : modeTokens) {
auto tokenStr = Token(token);
auto modeStr = tokenStr;
modeStr.to_lower();
modeStr.to_upper(0, 1);
modeStrings.push_back(modeStr);
auto userModeStr = tokenStr;
userModeStr.to_upper();
userModeStrings.push_back(userModeStr);
}
modeStrings.push_back("Into");
userModeStrings.push_back("INTO");
SqlIntoModeStr = JoinRange("", modeStrings.begin(), modeStrings.end());
SqlIntoUserModeStr = JoinRange(" ", userModeStrings.begin(), userModeStrings.end());
const auto& intoTableRef = node.GetRule_into_simple_table_ref3();
const auto& tableRef = intoTableRef.GetRule_simple_table_ref1();
const auto& tableRefCore = tableRef.GetRule_simple_table_ref_core1();
auto service = Ctx.Scoped->CurrService;
auto cluster = Ctx.Scoped->CurrCluster;
std::pair<bool, TDeferredAtom> nameOrAt;
bool isBinding = false;
switch (tableRefCore.Alt_case()) {
case TRule_simple_table_ref_core::AltCase::kAltSimpleTableRefCore1: {
if (tableRefCore.GetAlt_simple_table_ref_core1().GetRule_object_ref1().HasBlock1()) {
const auto& clusterExpr = tableRefCore.GetAlt_simple_table_ref_core1().GetRule_object_ref1().GetBlock1().GetRule_cluster_expr1();
bool hasAt = tableRefCore.GetAlt_simple_table_ref_core1().GetRule_object_ref1().GetRule_id_or_at2().HasBlock1();
bool result = !hasAt ?
ClusterExprOrBinding(clusterExpr, service, cluster, isBinding) : ClusterExpr(clusterExpr, false, service, cluster);
if (!result) {
return nullptr;
}
}
if (!isBinding && cluster.Empty()) {
Ctx.Error() << "No cluster name given and no default cluster is selected";
return nullptr;
}
auto id = Id(tableRefCore.GetAlt_simple_table_ref_core1().GetRule_object_ref1().GetRule_id_or_at2(), *this);
nameOrAt = std::make_pair(id.first, TDeferredAtom(Ctx.Pos(), id.second));
break;
}
case TRule_simple_table_ref_core::AltCase::kAltSimpleTableRefCore2: {
auto at = tableRefCore.GetAlt_simple_table_ref_core2().HasBlock1();
TString name;
if (!NamedNodeImpl(tableRefCore.GetAlt_simple_table_ref_core2().GetRule_bind_parameter2(), name, *this)) {
return nullptr;
}
auto named = GetNamedNode(name);
if (!named) {
return nullptr;
}
if (cluster.Empty()) {
Ctx.Error() << "No cluster name given and no default cluster is selected";
return nullptr;
}
TDeferredAtom table;
MakeTableFromExpression(Ctx.Pos(), Ctx, named, table);
nameOrAt = std::make_pair(at, table);
break;
}
case TRule_simple_table_ref_core::AltCase::ALT_NOT_SET:
Y_ABORT("You should change implementation according to grammar changes");
}
bool withTruncate = false;
TTableHints tableHints;
if (tableRef.HasBlock2()) {
auto hints = TableHintsImpl(tableRef.GetBlock2().GetRule_table_hints1(), service);
if (!hints) {
Ctx.Error() << "Failed to parse table hints";
return nullptr;
}
for (const auto& hint : *hints) {
if (to_upper(hint.first) == "TRUNCATE") {
withTruncate = true;
}
}
std::erase_if(*hints, [](const auto &hint) { return to_upper(hint.first) == "TRUNCATE"; });
tableHints = std::move(*hints);
}
TVector<TString> eraseColumns;
if (intoTableRef.HasBlock2()) {
if (service != StatProviderName) {
Ctx.Error() << "ERASE BY is unsupported for " << service;
return nullptr;
}
PureColumnListStr(
intoTableRef.GetBlock2().GetRule_pure_column_list3(), *this, eraseColumns
);
}
if (withTruncate) {
if (SqlIntoModeStr != "InsertInto") {
Error() << "Unable " << SqlIntoUserModeStr << " with truncate mode";
return nullptr;
}
SqlIntoModeStr += "WithTruncate";
SqlIntoUserModeStr += " ... WITH TRUNCATE";
}
const auto iterMode = str2Mode.find(SqlIntoModeStr);
YQL_ENSURE(iterMode != str2Mode.end(), "Invalid sql write mode string: " << SqlIntoModeStr);
const auto SqlIntoMode = iterMode->second;
TPosition pos(Ctx.Pos());
TTableRef table(Ctx.MakeName("table"), service, cluster, nullptr);
if (isBinding) {
const TString* binding = nameOrAt.second.GetLiteral();
YQL_ENSURE(binding);
YQL_ENSURE(!nameOrAt.first);
if (!ApplyTableBinding(*binding, table, tableHints)) {
return nullptr;
}
} else {
table.Keys = BuildTableKey(pos, service, cluster, nameOrAt.second, {nameOrAt.first ? "@" : ""});
}
Ctx.IncrementMonCounter("sql_insert_clusters", table.Cluster.GetLiteral() ? *table.Cluster.GetLiteral() : "unknown");
auto values = TSqlIntoValues(Ctx, Mode).Build(node.GetRule_into_values_source4(), SqlIntoUserModeStr);
if (!values) {
return nullptr;
}
if (!ValidateServiceName(node, table, SqlIntoMode, GetPos(modeTokens[0]))) {
return nullptr;
}
Ctx.IncrementMonCounter("sql_features", SqlIntoModeStr);
auto options = BuildIntoTableOptions(pos, eraseColumns, tableHints);
if (node.HasBlock5()) {
options = options->L(options, ReturningList(node.GetBlock5().GetRule_returning_columns_list1()));
}
return BuildWriteColumns(pos, Ctx.Scoped, table,
ToWriteColumnsMode(SqlIntoMode), std::move(values),
options);
}
bool TSqlIntoTable::ValidateServiceName(const TRule_into_table_stmt& node, const TTableRef& table,
ESQLWriteColumnMode mode, const TPosition& pos) {
Y_UNUSED(node);
auto serviceName = table.Service;
const bool isMapReduce = serviceName == YtProviderName;
const bool isKikimr = serviceName == KikimrProviderName || serviceName == YdbProviderName;
const bool isRtmr = serviceName == RtmrProviderName;
const bool isStat = serviceName == StatProviderName;
if (!isKikimr) {
if (mode == ESQLWriteColumnMode::InsertOrAbortInto ||
mode == ESQLWriteColumnMode::InsertOrIgnoreInto ||
mode == ESQLWriteColumnMode::InsertOrRevertInto ||
mode == ESQLWriteColumnMode::UpsertInto && !isStat)
{
Ctx.Error(pos) << SqlIntoUserModeStr << " is not supported for " << serviceName << " tables";
Ctx.IncrementMonCounter("sql_errors", TStringBuilder() << SqlIntoUserModeStr << "UnsupportedFor" << serviceName);
return false;
}
}
if (isMapReduce) {
if (mode == ESQLWriteColumnMode::ReplaceInto) {
Ctx.Error(pos) << "Meaning of REPLACE INTO has been changed, now you should use INSERT INTO <table> WITH TRUNCATE ... for " << serviceName;
Ctx.IncrementMonCounter("sql_errors", "ReplaceIntoConflictUsage");
return false;
}
} else if (isKikimr) {
if (mode == ESQLWriteColumnMode::InsertIntoWithTruncate) {
Ctx.Error(pos) << "INSERT INTO WITH TRUNCATE is not supported for " << serviceName << " tables";
Ctx.IncrementMonCounter("sql_errors", TStringBuilder() << SqlIntoUserModeStr << "UnsupportedFor" << serviceName);
return false;
}
} else if (isRtmr) {
if (mode != ESQLWriteColumnMode::InsertInto) {
Ctx.Error(pos) << SqlIntoUserModeStr << " is unsupported for " << serviceName;
Ctx.IncrementMonCounter("sql_errors", TStringBuilder() << SqlIntoUserModeStr << "UnsupportedFor" << serviceName);
return false;
}
} else if (isStat) {
if (mode != ESQLWriteColumnMode::UpsertInto) {
Ctx.Error(pos) << SqlIntoUserModeStr << " is unsupported for " << serviceName;
Ctx.IncrementMonCounter("sql_errors", TStringBuilder() << SqlIntoUserModeStr << "UnsupportedFor" << serviceName);
return false;
}
}
return true;
}
} // namespace NSQLTranslationV1
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