Package com.facebook.presto.sql.tree

Examples of com.facebook.presto.sql.tree.Statement

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        analyzer = new Analyzer(new Session("user", "test", "tpch", "default", null, null), metadata, Optional.<QueryExplainer>absent());
    }

    private void analyze(@Language("SQL") String query)
    {
        Statement statement = SqlParser.createStatement(query);
        analyzer.analyze(statement);
    }
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    }

    private void assertFails(SemanticErrorCode error, @Language("SQL") String query)
    {
        try {
            Statement statement = SqlParser.createStatement(query);
            analyzer.analyze(statement);
            fail(format("Expected error %s, but analysis succeeded", error));
        }
        catch (SemanticException e) {
            if (e.getCode() != error) {
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        return createDrivers(sql, outputFactory, new TaskContext(new TaskId("query", "stage", "task"), executor, session));
    }

    public List<Driver> createDrivers(@Language("SQL") String sql, OutputFactory outputFactory, TaskContext taskContext)
    {
        Statement statement = SqlParser.createStatement(sql);

        if (printPlan) {
            assertFormattedSql(statement);
        }
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    public static void assertFormattedSql(SqlParser sqlParser, Node expected)
    {
        String formatted = formatSql(expected);

        // verify round-trip of formatting already-formatted SQL
        Statement actual = parseFormatted(sqlParser, formatted, expected);
        assertEquals(formatSql(actual), formatted);

        // compare parsed tree with parsed tree of formatted SQL
        if (!actual.equals(expected)) {
            // simplify finding the non-equal part of the tree
            assertListEquals(linearizeTree(actual), linearizeTree(expected));
        }
        assertEquals(actual, expected);
    }
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    @Test
    public void testApproximateNotEnabled()
            throws Exception
    {
        try {
            Statement statement = SQL_PARSER.createStatement("SELECT AVG(a) FROM t1 APPROXIMATE AT 99.0 CONFIDENCE");
            approximateDisabledAnalyzer.analyze(statement);
            fail(format("Expected error %s, but analysis succeeded", NOT_SUPPORTED));
        }
        catch (SemanticException e) {
            if (e.getCode() != NOT_SUPPORTED) {
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                false);
    }

    private void analyze(@Language("SQL") String query)
    {
        Statement statement = SQL_PARSER.createStatement(query);
        analyzer.analyze(statement);
    }
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    }

    private void assertFails(SemanticErrorCode error, @Language("SQL") String query)
    {
        try {
            Statement statement = SQL_PARSER.createStatement(query);
            analyzer.analyze(statement);
            fail(format("Expected error %s, but analysis succeeded", error));
        }
        catch (SemanticException e) {
            if (e.getCode() != error) {
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        checkNotNull(query, "query is null");
        Preconditions.checkArgument(!query.isEmpty(), "query must not be empty string");

        QueryId queryId = queryIdGenerator.createNextQueryId();

        Statement statement;
        try {
            statement = SqlParser.createStatement(query);
        }
        catch (ParsingException e) {
            return createFailedQuery(session, query, queryId, e);
        }

        QueryExecutionFactory<?> queryExecutionFactory = executionFactories.get(statement.getClass());
        Preconditions.checkState(queryExecutionFactory != null, "Unsupported statement type %s", statement.getClass().getName());
        final QueryExecution queryExecution = queryExecutionFactory.createQueryExecution(queryId, query, session, statement);
        queryMonitor.createdEvent(queryExecution.getQueryInfo());

        queryExecution.addStateChangeListener(new StateChangeListener<QueryState>()
        {
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        return createDrivers(defaultSession, sql, outputFactory, taskContext);
    }

    public List<Driver> createDrivers(ConnectorSession session, @Language("SQL") String sql, OutputFactory outputFactory, TaskContext taskContext)
    {
        Statement statement = SqlParser.createStatement(sql);

        assertFormattedSql(statement);

        PlanNodeIdAllocator idAllocator = new PlanNodeIdAllocator();
        FeaturesConfig featuresConfig = new FeaturesConfig().setExperimentalSyntaxEnabled(true);
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        CommonTree tree = SQL_PARSER.parseStatement(sql);
        println(treeToString(tree));
        println("");

        Statement statement = SQL_PARSER.createStatement(tree);
        println(statement.toString());
        println("");

        println(SqlFormatter.formatSql(statement));
        println("");
        assertFormattedSql(SQL_PARSER, statement);
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Related Classes of com.facebook.presto.sql.tree.Statement

  • com.facebook.presto.execution.CreateViewTask
  • com.facebook.presto.execution.SqlQueryManager
  • com.facebook.presto.sql.analyzer.TestAnalyzer
  • com.facebook.presto.sql.analyzer.TupleAnalyzer
  • com.facebook.presto.sql.parser.TestStatementBuilder
  • com.facebook.presto.sql.parser.TreeAssertions
  • com.facebook.presto.sql.testing.TreeAssertions
  • com.facebook.presto.testing.LocalQueryRunner
  • com.facebook.presto.util.LocalQueryRunner
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