aboutsummaryrefslogtreecommitdiffstats
path: root/yql/essentials/public/fastcheck/translator.cpp
blob: 3b5f0b9b0731410667271e7e397f6bae17637332 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
#include "check_runner.h"
#include <yql/essentials/sql/v1/sql.h>
#include <yql/essentials/sql/v1/lexer/antlr4/lexer.h>
#include <yql/essentials/sql/v1/lexer/antlr4_ansi/lexer.h>
#include <yql/essentials/sql/v1/proto_parser/antlr4/proto_parser.h>
#include <yql/essentials/sql/v1/proto_parser/antlr4_ansi/proto_parser.h>
#include <yql/essentials/sql/settings/translation_settings.h>
#include <yql/essentials/parser/pg_wrapper/interface/parser.h>
#include <yql/essentials/providers/common/provider/yql_provider_names.h>

namespace NYql {
namespace NFastCheck {

namespace {

class TTranslatorRunner : public ICheckRunner {
public:
    TString GetCheckName() const final {
        return "translator";
    }

    TCheckResponse Run(const TChecksRequest& request) final {
        switch (request.Syntax) {
        case ESyntax::SExpr:
            return RunSExpr(request);
        case ESyntax::PG:
            return RunPg(request);
        case ESyntax::YQL:
            return RunYql(request);
        }
    }

private:
    TCheckResponse RunSExpr(const TChecksRequest& request) {
        Y_UNUSED(request);
        // no separate check for translator here
        return TCheckResponse{.CheckName = GetCheckName(), .Success = true};
    }

    TCheckResponse RunPg(const TChecksRequest& request) {
        google::protobuf::Arena arena;
        NSQLTranslation::TTranslationSettings settings;
        settings.Arena = &arena;
        settings.PgParser = true;
        FillClusters(request, settings);

        auto astRes = NSQLTranslationPG::PGToYql(request.Program, settings);
        return TCheckResponse{
            .CheckName = GetCheckName(),
            .Success = astRes.IsOk(),
            .Issues = astRes.Issues
        };
    }

    TCheckResponse RunYql(const TChecksRequest& request) {
        TCheckResponse res {.CheckName = GetCheckName()};
        google::protobuf::Arena arena;
        NSQLTranslation::TTranslationSettings settings;
        settings.Arena = &arena;
        settings.File = request.File;
        FillClusters(request, settings);
        settings.EmitReadsForExists = true;
        settings.Antlr4Parser = true;
        settings.AnsiLexer = request.IsAnsiLexer;
        settings.SyntaxVersion = request.SyntaxVersion;
        settings.Flags.insert({
            "AnsiOrderByLimitInUnionAll",
            "DisableCoalesceJoinKeysOnQualifiedAll",
            "AnsiRankForNullableKeys",
            "DisableUnorderedSubqueries",
            "DisableAnsiOptionalAs",
            "FlexibleTypes",
            "CompactNamedExprs",
            "DistinctOverWindow"
        });

        switch (request.Mode) {
        case EMode::Default:
            settings.AlwaysAllowExports = true;
            break;
        case EMode::Library:
            settings.Mode = NSQLTranslation::ESqlMode::LIBRARY;
            break;
        case EMode::Main:
            break;
        case EMode::View:
            settings.Mode = NSQLTranslation::ESqlMode::LIMITED_VIEW;
            break;
        }

        if (!ParseTranslationSettings(request.Program, settings, res.Issues)) {
            return res;
        }

        NSQLTranslationV1::TLexers lexers;
        lexers.Antlr4 = NSQLTranslationV1::MakeAntlr4LexerFactory();
        lexers.Antlr4Ansi = NSQLTranslationV1::MakeAntlr4AnsiLexerFactory();
        NSQLTranslationV1::TParsers parsers;
        parsers.Antlr4 = NSQLTranslationV1::MakeAntlr4ParserFactory();
        parsers.Antlr4Ansi = NSQLTranslationV1::MakeAntlr4AnsiParserFactory();

        auto astRes = NSQLTranslationV1::SqlToYql(lexers, parsers, request.Program, settings);
        res.Success = astRes.IsOk();
        res.Issues = astRes.Issues;
        return res;
    }

    void FillClusters(const TChecksRequest& request, NSQLTranslation::TTranslationSettings& settings) {
        if (!request.ClusterSystem.empty()) {
            Y_ENSURE(AnyOf(Providers, [&](const auto& p) { return p == request.ClusterSystem; }),
                "Invalid ClusterSystem value: " + request.ClusterSystem);
        }

        switch (request.ClusterMode) {
        case EClusterMode::Many:
            for (const auto& x : request.ClusterMapping) {
                Y_ENSURE(AnyOf(Providers, [&](const auto& p) { return p == x.second; }),
                    "Invalid system: " + x.second);
            }

            settings.ClusterMapping = request.ClusterMapping;
            settings.DynamicClusterProvider = request.ClusterSystem;
            break;
        case EClusterMode::Single:
            Y_ENSURE(!request.ClusterSystem.empty(), "Missing ClusterSystem parameter");
            settings.DefaultCluster = "single";
            settings.ClusterMapping["single"] = request.ClusterSystem;
            settings.DynamicClusterProvider = request.ClusterSystem;
            break;
        case EClusterMode::Unknown:
            settings.DefaultCluster = "single";
            settings.ClusterMapping["single"] = UnknownProviderName;
            settings.DynamicClusterProvider = UnknownProviderName;
            break;
        }
    }
};

}

std::unique_ptr<ICheckRunner> MakeTranslatorRunner() {
    return std::make_unique<TTranslatorRunner>();
}

}
}