io.questdb.cutlass.pgwire.PGJobContext Maven / Gradle / Ivy

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 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2020 QuestDB
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 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
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 *  http://www.apache.org/licenses/LICENSE-2.0
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 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
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package io.questdb.cutlass.pgwire;

import io.questdb.cairo.CairoEngine;
import io.questdb.cairo.sql.RecordCursorFactory;
import io.questdb.griffin.SqlCompiler;
import io.questdb.network.PeerDisconnectedException;
import io.questdb.network.PeerIsSlowToReadException;
import io.questdb.network.PeerIsSlowToWriteException;
import io.questdb.std.AssociativeCache;
import io.questdb.std.Misc;
import io.questdb.std.ObjList;

import java.io.Closeable;

public class PGJobContext implements Closeable {
    public static final int PG_VARCHAR = 1043;
    public static final int PG_TIMESTAMP = 1114;
    public static final int PG_TIMESTAMPZ = 1184;
    public static final int PG_FLOAT8 = 701;
    public static final int PG_FLOAT4 = 700;
    public static final int PG_INT4 = 23;
    public static final int PG_INT2 = 21;
    public static final int PG_INT8 = 20;
    public static final int PG_BOOL = 16;
    public static final int PG_CHAR = 18;
    public static final int PG_DATE = 1082;
    public static final int PG_BYTEA = 17;
    public static final int PG_UNSPECIFIED = 0;
    private final SqlCompiler compiler;
    private final AssociativeCache factoryCache;
    private final ObjList bindVariableSetters = new ObjList<>();

    public PGJobContext(PGWireConfiguration configuration, CairoEngine engine) {
        this.compiler = new SqlCompiler(engine);
        this.factoryCache = new AssociativeCache<>(
                configuration.getFactoryCacheColumnCount(),
                configuration.getFactoryCacheRowCount()
        );
    }

    @Override
    public void close() {
        Misc.free(compiler);
    }

    public void handleClientOperation(PGConnectionContext context)
            throws PeerIsSlowToWriteException,
            PeerIsSlowToReadException,
            PeerDisconnectedException,
            BadProtocolException {
        context.handleClientOperation(compiler, factoryCache, bindVariableSetters);
    }
}