Examples with SortItem io.trino.sql.tree.SortItem used on opensource projects

Example 1 with SortItem

use of io.trino.sql.tree.SortItem in project trino by trinodb.

the class FunctionCallProvider method getExpectedValue.

@Override
public FunctionCall getExpectedValue(SymbolAliases aliases) {
    List<Expression> symbolReferences = toSymbolReferences(args, aliases);
    if (isWindowFunction) {
        verify(!distinct, "window does not support distinct");
        verify(orderBy.isEmpty(), "window does not support order by");
        return new ExpectedWindowFunctionCall(symbolReferences);
    }
    Optional<OrderBy> orderByClause = Optional.empty();
    if (!orderBy.isEmpty()) {
        orderByClause = Optional.of(new OrderBy(orderBy.stream().map(item -> new SortItem(Symbol.from(aliases.get(item.getField())).toSymbolReference(), item.getOrdering(), item.getNullOrdering())).collect(Collectors.toList())));
    }
    return new FunctionCall(Optional.empty(), name, Optional.empty(), filter.map(symbol -> symbol.toSymbol(aliases).toSymbolReference()), orderByClause, distinct, Optional.empty(), Optional.empty(), symbolReferences);
}

Example 2 with SortItem

use of io.trino.sql.tree.SortItem in project trino by trinodb.

the class TestSqlParser method testListagg.

@Test
public void testListagg() {
    assertExpression("LISTAGG(x) WITHIN GROUP (ORDER BY x)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("x", false), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(""), new BooleanLiteral("true"), new StringLiteral("..."), new BooleanLiteral("false"))));
    assertExpression("LISTAGG( DISTINCT x) WITHIN GROUP (ORDER BY x)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("x", false), ASCENDING, UNDEFINED)))), true, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(""), new BooleanLiteral("true"), new StringLiteral("..."), new BooleanLiteral("false"))));
    assertExpression("LISTAGG(x, ',') WITHIN GROUP (ORDER BY y)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("y", false), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(","), new BooleanLiteral("true"), new StringLiteral("..."), new BooleanLiteral("false"))));
    assertExpression("LISTAGG(x, ',' ON OVERFLOW ERROR) WITHIN GROUP (ORDER BY x)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("x", false), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(","), new BooleanLiteral("true"), new StringLiteral("..."), new BooleanLiteral("false"))));
    assertExpression("LISTAGG(x, ',' ON OVERFLOW TRUNCATE WITH COUNT) WITHIN GROUP (ORDER BY x)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("x", false), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(","), new BooleanLiteral("false"), new StringLiteral("..."), new BooleanLiteral("true"))));
    assertExpression("LISTAGG(x, ',' ON OVERFLOW TRUNCATE 'HIDDEN' WITHOUT COUNT) WITHIN GROUP (ORDER BY x)", new FunctionCall(Optional.empty(), QualifiedName.of("LISTAGG"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("x", false), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"), new StringLiteral(","), new BooleanLiteral("false"), new StringLiteral("HIDDEN"), new BooleanLiteral("false"))));
}

Example 3 with SortItem

use of io.trino.sql.tree.SortItem in project trino by trinodb.

the class TestSqlParser method testShowStatsForQuery.

@Test
public void testShowStatsForQuery() {
    String[] tableNames = { "t", "s.t", "c.s.t" };
    for (String fullName : tableNames) {
        QualifiedName qualifiedName = makeQualifiedName(fullName);
        // Simple SELECT
        assertStatement(format("SHOW STATS FOR (SELECT * FROM %s)", qualifiedName), createShowStats(qualifiedName, ImmutableList.of(new AllColumns()), Optional.empty()));
        // SELECT with predicate
        assertStatement(format("SHOW STATS FOR (SELECT * FROM %s WHERE field > 0)", qualifiedName), createShowStats(qualifiedName, ImmutableList.of(new AllColumns()), Optional.of(new ComparisonExpression(ComparisonExpression.Operator.GREATER_THAN, new Identifier("field"), new LongLiteral("0")))));
        // SELECT with more complex predicate
        assertStatement(format("SHOW STATS FOR (SELECT * FROM %s WHERE field > 0 or field < 0)", qualifiedName), createShowStats(qualifiedName, ImmutableList.of(new AllColumns()), Optional.of(LogicalExpression.or(new ComparisonExpression(ComparisonExpression.Operator.GREATER_THAN, new Identifier("field"), new LongLiteral("0")), new ComparisonExpression(ComparisonExpression.Operator.LESS_THAN, new Identifier("field"), new LongLiteral("0"))))));
    }
    // SELECT with LIMIT
    assertThat(statement("SHOW STATS FOR (SELECT * FROM t LIMIT 10)")).isEqualTo(new ShowStats(Optional.of(location(1, 1)), new TableSubquery(new Query(location(1, 17), Optional.empty(), new QuerySpecification(location(1, 17), new Select(location(1, 17), false, ImmutableList.of(new AllColumns(location(1, 24), Optional.empty(), ImmutableList.of()))), Optional.of(new Table(location(1, 31), QualifiedName.of(ImmutableList.of(new Identifier(location(1, 31), "t", false))))), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.of(new Limit(location(1, 33), new LongLiteral(location(1, 39), "10")))), Optional.empty(), Optional.empty(), Optional.empty()))));
    // SELECT with ORDER BY ... LIMIT
    assertThat(statement("SHOW STATS FOR (SELECT * FROM t ORDER BY field LIMIT 10)")).isEqualTo(new ShowStats(Optional.of(location(1, 1)), new TableSubquery(new Query(location(1, 17), Optional.empty(), new QuerySpecification(location(1, 17), new Select(location(1, 17), false, ImmutableList.of(new AllColumns(location(1, 24), Optional.empty(), ImmutableList.of()))), Optional.of(new Table(location(1, 31), QualifiedName.of(ImmutableList.of(new Identifier(location(1, 31), "t", false))))), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), Optional.of(new OrderBy(location(1, 33), ImmutableList.of(new SortItem(location(1, 42), new Identifier(location(1, 42), "field", false), ASCENDING, UNDEFINED)))), Optional.empty(), Optional.of(new Limit(location(1, 48), new LongLiteral(location(1, 54), "10")))), Optional.empty(), Optional.empty(), Optional.empty()))));
    // SELECT with WITH
    assertThat(statement("SHOW STATS FOR (\n" + "   WITH t AS (SELECT 1 )\n" + "   SELECT * FROM t)")).isEqualTo(new ShowStats(Optional.of(location(1, 1)), new TableSubquery(new Query(location(2, 4), Optional.of(new With(location(2, 4), false, ImmutableList.of(new WithQuery(location(2, 9), new Identifier(location(2, 9), "t", false), new Query(location(2, 15), Optional.empty(), new QuerySpecification(location(2, 15), new Select(location(2, 15), false, ImmutableList.of(new SingleColumn(location(2, 22), new LongLiteral(location(2, 22), "1"), Optional.empty()))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty())))), new QuerySpecification(location(3, 4), new Select(location(3, 4), false, ImmutableList.of(new AllColumns(location(3, 11), Optional.empty(), ImmutableList.of()))), Optional.of(new Table(location(3, 18), QualifiedName.of(ImmutableList.of(new Identifier(location(3, 18), "t", false))))), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty(), Optional.empty()))));
}

Example 4 with SortItem

use of io.trino.sql.tree.SortItem in project trino by trinodb.

the class TestSqlParser method testWindowSpecification.

@Test
public void testWindowSpecification() {
    assertExpression("rank() OVER someWindow", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowReference(new Identifier("someWindow"))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
    assertExpression("rank() OVER (someWindow PARTITION BY x ORDER BY y ROWS CURRENT ROW)", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowSpecification(Optional.of(new Identifier("someWindow")), ImmutableList.of(new Identifier("x")), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("y"), ASCENDING, UNDEFINED)))), Optional.of(new WindowFrame(ROWS, new FrameBound(CURRENT_ROW), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), ImmutableList.of())))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
    assertExpression("rank() OVER (PARTITION BY x ORDER BY y ROWS CURRENT ROW)", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowSpecification(Optional.empty(), ImmutableList.of(new Identifier("x")), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("y"), ASCENDING, UNDEFINED)))), Optional.of(new WindowFrame(ROWS, new FrameBound(CURRENT_ROW), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), ImmutableList.of())))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
}

Example 5 with SortItem

use of io.trino.sql.tree.SortItem in project trino by trinodb.

the class TestSqlParser method testAggregationWithOrderBy.

@Test
public void testAggregationWithOrderBy() {
    assertExpression("array_agg(x ORDER BY x DESC)", new FunctionCall(Optional.empty(), QualifiedName.of("array_agg"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(identifier("x"), DESCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(identifier("x"))));
    assertStatement("SELECT array_agg(x ORDER BY t.y) FROM t", simpleQuery(selectList(new FunctionCall(Optional.empty(), QualifiedName.of("array_agg"), Optional.empty(), Optional.empty(), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new DereferenceExpression(new Identifier("t"), identifier("y")), ASCENDING, UNDEFINED)))), false, Optional.empty(), Optional.empty(), ImmutableList.of(new Identifier("x")))), table(QualifiedName.of("t"))));
}