Package com.facebook.presto.sql.tree

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

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    @Test
    public void testFromUnprocessableInPredicate()
            throws Exception
    {
        Expression originalExpression = new InPredicate(unprocessableExpression1(A), new InListExpression(ImmutableList.<Expression>of(TRUE_LITERAL)));
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), originalExpression);
        Assert.assertTrue(result.getTupleDomain().isAll());

        originalExpression = new InPredicate(reference(D), new InListExpression(ImmutableList.<Expression>of(unprocessableExpression1(D))));
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    @Test
    public void testFromInPredicate()
            throws Exception
    {
        Expression originalExpression = in(A, ImmutableList.of(1L));
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertEquals(result.getTupleDomain(), withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(ACH, Domain.singleValue(1L))));

        originalExpression = in(A, ImmutableList.of(1L, 2L));
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    @Test
    public void testFromBetweenPredicate()
            throws Exception
    {
        Expression originalExpression = between(A, longLiteral(1L), longLiteral(2L));
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertEquals(result.getTupleDomain(), withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(ACH, Domain.create(SortedRangeSet.of(Range.range(1L, true, 2L, true)), false))));

        originalExpression = between(A, longLiteral(1L), doubleLiteral(2.1));
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    @Test
    public void testFromIsNullPredicate()
            throws Exception
    {
        Expression originalExpression = isNull(A);
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertEquals(result.getTupleDomain(), withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(ACH, Domain.onlyNull(Long.class))));

        originalExpression = not(isNull(A));
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    @Test
    public void testFromIsNotNullPredicate()
            throws Exception
    {
        Expression originalExpression = isNotNull(A);
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertEquals(result.getTupleDomain(), withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(ACH, Domain.notNull(Long.class))));

        originalExpression = not(isNotNull(A));
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    @Test
    public void testFromBooleanLiteralPredicate()
            throws Exception
    {
        Expression originalExpression = TRUE_LITERAL;
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertTrue(result.getTupleDomain().isAll());

        originalExpression = not(TRUE_LITERAL);
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    @Test
    public void testFromNullLiteralPredicate()
            throws Exception
    {
        Expression originalExpression = nullLiteral();
        ExtractionResult result = fromPredicate(MANAGER, TEST_SESSION, originalExpression, TYPES, COLUMN_HANDLES);
        Assert.assertEquals(result.getRemainingExpression(), TRUE_LITERAL);
        Assert.assertTrue(result.getTupleDomain().isNone());

        originalExpression = not(nullLiteral());
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        }
    }

    public static void assertFilter(String expression, boolean expectedValue)
    {
        Expression parsed = createExpression(expression, METADATA, ImmutableMap.<Symbol, Type>of());

        InterpretedFilterFunction filterFunction = new InterpretedFilterFunction(parsed,
                ImmutableMap.<Symbol, Type>of(),
                ImmutableMap.<Symbol, Integer>of(),
                METADATA,
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        optimize("interval '3' year * unbound_long");
    }

    private static void assertLike(byte[] value, String pattern, boolean expected)
    {
        Expression predicate = new LikePredicate(
                rawStringLiteral(Slices.wrappedBuffer(value)),
                new StringLiteral(pattern),
                null);
        assertEquals(evaluate(predicate), expected);
    }
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    private static Object optimize(@Language("SQL") String expression)
    {
        assertRoundTrip(expression);

        Expression parsedExpression = FunctionAssertions.createExpression(expression, METADATA, SYMBOL_TYPES);

        IdentityHashMap<Expression, Type> expressionTypes = getExpressionTypes(TEST_SESSION, METADATA, SQL_PARSER, SYMBOL_TYPES, parsedExpression);
        ExpressionInterpreter interpreter = expressionOptimizer(parsedExpression, METADATA, TEST_SESSION, expressionTypes);
        return interpreter.optimize(new SymbolResolver()
        {
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Related Classes of com.facebook.presto.sql.tree.Expression

  • com.facebook.presto.operator.scalar.FunctionAssertions
  • com.facebook.presto.split.TestNativeSplitManager
  • com.facebook.presto.sql.analyzer.AggregationAnalyzer$Visitor
  • com.facebook.presto.sql.analyzer.ExpressionAnalyzer$Visitor
  • com.facebook.presto.sql.analyzer.StatementAnalyzer
  • com.facebook.presto.sql.analyzer.TupleAnalyzer
  • com.facebook.presto.sql.ExpressionUtils
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.gen.ExpressionKey
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