Examples with FunctionCall io.prestosql.sql.tree.FunctionCall used on opensource projects

Example 21 with FunctionCall

use of io.prestosql.sql.tree.FunctionCall in project hetu-core by openlookeng.

the class TestSqlParser method testSetSession.

@Test
public void testSetSession() {
    assertStatement("SET SESSION foo = 'bar'", new SetSession(QualifiedName.of("foo"), new StringLiteral("bar")));
    assertStatement("SET SESSION foo.bar = 'baz'", new SetSession(QualifiedName.of("foo", "bar"), new StringLiteral("baz")));
    assertStatement("SET SESSION foo.bar.boo = 'baz'", new SetSession(QualifiedName.of("foo", "bar", "boo"), new StringLiteral("baz")));
    assertStatement("SET SESSION foo.bar = 'ban' || 'ana'", new SetSession(QualifiedName.of("foo", "bar"), new FunctionCall(QualifiedName.of("concat"), ImmutableList.of(new StringLiteral("ban"), new StringLiteral("ana")))));
}

Example 22 with FunctionCall

use of io.prestosql.sql.tree.FunctionCall in project hetu-core by openlookeng.

the class TestSqlParser method testAnalyze.

@Test
public void testAnalyze() {
    QualifiedName table = QualifiedName.of("foo");
    assertStatement("ANALYZE foo", new Analyze(table, ImmutableList.of()));
    assertStatement("ANALYZE foo WITH ( \"string\" = 'bar', \"long\" = 42, computed = concat('ban', 'ana'), a = ARRAY[ 'v1', 'v2' ] )", new Analyze(table, ImmutableList.of(new Property(new Identifier("string"), new StringLiteral("bar")), new Property(new Identifier("long"), new LongLiteral("42")), new Property(new Identifier("computed"), new FunctionCall(QualifiedName.of("concat"), ImmutableList.of(new StringLiteral("ban"), new StringLiteral("ana")))), new Property(new Identifier("a"), new ArrayConstructor(ImmutableList.of(new StringLiteral("v1"), new StringLiteral("v2")))))));
    assertStatement("EXPLAIN ANALYZE foo", new Explain(new Analyze(table, ImmutableList.of()), false, false, ImmutableList.of()));
    assertStatement("EXPLAIN ANALYZE ANALYZE foo", new Explain(new Analyze(table, ImmutableList.of()), true, false, ImmutableList.of()));
}

Example 23 with FunctionCall

use of io.prestosql.sql.tree.FunctionCall in project hetu-core by openlookeng.

the class TestSqlParser method testLambda.

@Test
public void testLambda() {
    assertExpression("() -> x", new LambdaExpression(ImmutableList.of(), new Identifier("x")));
    assertExpression("x -> sin(x)", new LambdaExpression(ImmutableList.of(new LambdaArgumentDeclaration(identifier("x"))), new FunctionCall(QualifiedName.of("sin"), ImmutableList.of(new Identifier("x")))));
    assertExpression("(x, y) -> mod(x, y)", new LambdaExpression(ImmutableList.of(new LambdaArgumentDeclaration(identifier("x")), new LambdaArgumentDeclaration(identifier("y"))), new FunctionCall(QualifiedName.of("mod"), ImmutableList.of(new Identifier("x"), new Identifier("y")))));
}

Example 24 with FunctionCall

use of io.prestosql.sql.tree.FunctionCall in project hetu-core by openlookeng.

the class TestSqlParser method testSubstringBuiltInFunction.

@Test
public void testSubstringBuiltInFunction() {
    final String givenString = "ABCDEF";
    assertStatement(format("SELECT substring('%s' FROM 2)", givenString), new Query(Optional.empty(), new QuerySpecification(selectList(new FunctionCall(QualifiedName.of("substr"), Lists.newArrayList(new StringLiteral(givenString), new LongLiteral("2")))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty(), Optional.empty()));
    assertStatement(format("SELECT substring('%s' FROM 2 FOR 3)", givenString), new Query(Optional.empty(), new QuerySpecification(selectList(new FunctionCall(QualifiedName.of("substr"), Lists.newArrayList(new StringLiteral(givenString), new LongLiteral("2"), new LongLiteral("3")))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty(), Optional.empty()));
}

Example 25 with FunctionCall

use of io.prestosql.sql.tree.FunctionCall in project hetu-core by openlookeng.

the class AstBuilder method visitFunctionCall.

@Override
public Node visitFunctionCall(SqlBaseParser.FunctionCallContext context) {
    Optional<Expression> filter = visitIfPresent(context.filter(), Expression.class);
    Optional<Window> window = visitIfPresent(context.over(), Window.class);
    Optional<OrderBy> orderBy = Optional.empty();
    if (context.ORDER() != null) {
        orderBy = Optional.of(new OrderBy(visit(context.sortItem(), SortItem.class)));
    }
    QualifiedName name = getQualifiedName(context.qualifiedName());
    boolean distinct = isDistinct(context.setQuantifier());
    boolean ignoreNulls = context.nullTreatment() != null && context.nullTreatment().IGNORE() != null;
    if (name.toString().equalsIgnoreCase("if")) {
        check(context.expression().size() == 2 || context.expression().size() == 3, "Invalid number of arguments for 'if' function", context);
        check(!window.isPresent(), "OVER clause not valid for 'if' function", context);
        check(!distinct, "DISTINCT not valid for 'if' function", context);
        check(!filter.isPresent(), "FILTER not valid for 'if' function", context);
        Expression elseExpression = null;
        if (context.expression().size() == 3) {
            elseExpression = (Expression) visit(context.expression(2));
        }
        return new IfExpression(getLocation(context), (Expression) visit(context.expression(0)), (Expression) visit(context.expression(1)), elseExpression);
    }
    if (name.toString().equalsIgnoreCase("nullif")) {
        check(context.expression().size() == 2, "Invalid number of arguments for 'nullif' function", context);
        check(!window.isPresent(), "OVER clause not valid for 'nullif' function", context);
        check(!distinct, "DISTINCT not valid for 'nullif' function", context);
        check(!filter.isPresent(), "FILTER not valid for 'nullif' function", context);
        return new NullIfExpression(getLocation(context), (Expression) visit(context.expression(0)), (Expression) visit(context.expression(1)));
    }
    if (name.toString().equalsIgnoreCase("coalesce")) {
        check(context.expression().size() >= 2, "The 'coalesce' function must have at least two arguments", context);
        check(!window.isPresent(), "OVER clause not valid for 'coalesce' function", context);
        check(!distinct, "DISTINCT not valid for 'coalesce' function", context);
        check(!filter.isPresent(), "FILTER not valid for 'coalesce' function", context);
        return new CoalesceExpression(getLocation(context), visit(context.expression(), Expression.class));
    }
    if (name.toString().equalsIgnoreCase("try")) {
        check(context.expression().size() == 1, "The 'try' function must have exactly one argument", context);
        check(!window.isPresent(), "OVER clause not valid for 'try' function", context);
        check(!distinct, "DISTINCT not valid for 'try' function", context);
        check(!filter.isPresent(), "FILTER not valid for 'try' function", context);
        return new TryExpression(getLocation(context), (Expression) visit(getOnlyElement(context.expression())));
    }
    if (name.toString().equalsIgnoreCase("format")) {
        check(context.expression().size() >= 2, "The 'format' function must have at least two arguments", context);
        check(!window.isPresent(), "OVER clause not valid for 'format' function", context);
        check(!distinct, "DISTINCT not valid for 'format' function", context);
        check(!filter.isPresent(), "FILTER not valid for 'format' function", context);
        return new Format(getLocation(context), visit(context.expression(), Expression.class));
    }
    if (name.toString().equalsIgnoreCase("$internal$bind")) {
        check(context.expression().size() >= 1, "The '$internal$bind' function must have at least one arguments", context);
        check(!window.isPresent(), "OVER clause not valid for '$internal$bind' function", context);
        check(!distinct, "DISTINCT not valid for '$internal$bind' function", context);
        check(!filter.isPresent(), "FILTER not valid for '$internal$bind' function", context);
        int numValues = context.expression().size() - 1;
        List<Expression> arguments = context.expression().stream().map(this::visit).map(Expression.class::cast).collect(toImmutableList());
        return new BindExpression(getLocation(context), arguments.subList(0, numValues), arguments.get(numValues));
    }
    return new FunctionCall(Optional.of(getLocation(context)), getQualifiedName(context.qualifiedName()), window, filter, orderBy, distinct, ignoreNulls, visit(context.expression(), Expression.class));
}