Examples with Table com.facebook.presto.sql.tree.Table used on opensource projects

Example 1 with Table

use of com.facebook.presto.sql.tree.Table in project presto by prestodb.

the class TestSqlParser method testUnnest.

@Test
public void testUnnest() throws Exception {
    assertStatement("SELECT * FROM t CROSS JOIN UNNEST(a)", simpleQuery(selectList(new AllColumns()), new Join(Join.Type.CROSS, new Table(QualifiedName.of("t")), new Unnest(ImmutableList.of(new Identifier("a")), false), Optional.empty())));
    assertStatement("SELECT * FROM t CROSS JOIN UNNEST(a) WITH ORDINALITY", simpleQuery(selectList(new AllColumns()), new Join(Join.Type.CROSS, new Table(QualifiedName.of("t")), new Unnest(ImmutableList.of(new Identifier("a")), true), Optional.empty())));
}

Example 2 with Table

use of com.facebook.presto.sql.tree.Table in project presto by prestodb.

the class TestSqlParser method testJoinPrecedence.

@Test
public void testJoinPrecedence() {
    assertStatement("SELECT * FROM a CROSS JOIN b LEFT JOIN c ON true", simpleQuery(selectList(new AllColumns()), new Join(Join.Type.LEFT, new Join(Join.Type.CROSS, new Table(QualifiedName.of("a")), new Table(QualifiedName.of("b")), Optional.empty()), new Table(QualifiedName.of("c")), Optional.of(new JoinOn(BooleanLiteral.TRUE_LITERAL)))));
    assertStatement("SELECT * FROM a CROSS JOIN b NATURAL JOIN c CROSS JOIN d NATURAL JOIN e", simpleQuery(selectList(new AllColumns()), new Join(Join.Type.INNER, new Join(Join.Type.CROSS, new Join(Join.Type.INNER, new Join(Join.Type.CROSS, new Table(QualifiedName.of("a")), new Table(QualifiedName.of("b")), Optional.empty()), new Table(QualifiedName.of("c")), Optional.of(new NaturalJoin())), new Table(QualifiedName.of("d")), Optional.empty()), new Table(QualifiedName.of("e")), Optional.of(new NaturalJoin()))));
}

Example 3 with Table

use of com.facebook.presto.sql.tree.Table in project presto by prestodb.

the class TestSqlParser method testWith.

@Test
public void testWith() throws Exception {
    assertStatement("WITH a (t, u) AS (SELECT * FROM x), b AS (SELECT * FROM y) TABLE z", new Query(Optional.of(new With(false, ImmutableList.of(new WithQuery("a", simpleQuery(selectList(new AllColumns()), table(QualifiedName.of("x"))), Optional.of(ImmutableList.of("t", "u"))), new WithQuery("b", simpleQuery(selectList(new AllColumns()), table(QualifiedName.of("y"))), Optional.empty())))), new Table(QualifiedName.of("z")), Optional.empty(), Optional.empty()));
    assertStatement("WITH RECURSIVE a AS (SELECT * FROM x) TABLE y", new Query(Optional.of(new With(true, ImmutableList.of(new WithQuery("a", simpleQuery(selectList(new AllColumns()), table(QualifiedName.of("x"))), Optional.empty())))), new Table(QualifiedName.of("y")), Optional.empty(), Optional.empty()));
}

Example 4 with Table

use of com.facebook.presto.sql.tree.Table in project presto by prestodb.

the class TestShadowing method testCreateTableAsSelect.

@Test
public void testCreateTableAsSelect() throws Exception {
    handle.execute("CREATE TABLE \"my_test_table\" (column1 BIGINT, column2 DOUBLE)");
    SqlParser parser = new SqlParser();
    Query query = new Query(CATALOG, SCHEMA, ImmutableList.of(), "CREATE TABLE my_test_table AS SELECT 1 column1, CAST(2.0 AS DOUBLE) column2 LIMIT 1", ImmutableList.of(), null, null, ImmutableMap.of());
    QueryRewriter rewriter = new QueryRewriter(parser, URL, QualifiedName.of("tmp_"), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), 1, new Duration(10, SECONDS));
    Query rewrittenQuery = rewriter.shadowQuery(query);
    assertEquals(rewrittenQuery.getPreQueries().size(), 1);
    assertEquals(rewrittenQuery.getPostQueries().size(), 1);
    CreateTableAsSelect createTableAs = (CreateTableAsSelect) parser.createStatement(rewrittenQuery.getPreQueries().get(0));
    assertEquals(createTableAs.getName().getParts().size(), 1);
    assertTrue(createTableAs.getName().getSuffix().startsWith("tmp_"));
    assertFalse(createTableAs.getName().getSuffix().contains("my_test_table"));
    assertEquals(PrestoVerifier.statementToQueryType(parser, rewrittenQuery.getQuery()), READ);
    Table table = new Table(createTableAs.getName());
    SingleColumn column1 = new SingleColumn(new FunctionCall(QualifiedName.of("checksum"), ImmutableList.of(new Identifier("column1"))));
    SingleColumn column2 = new SingleColumn(new FunctionCall(QualifiedName.of("checksum"), ImmutableList.of(new FunctionCall(QualifiedName.of("round"), ImmutableList.of(new Identifier("column2"), new LongLiteral("1"))))));
    Select select = new Select(false, ImmutableList.of(column1, column2));
    QuerySpecification querySpecification = new QuerySpecification(select, Optional.of(table), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty());
    assertEquals(parser.createStatement(rewrittenQuery.getQuery()), new com.facebook.presto.sql.tree.Query(Optional.empty(), querySpecification, Optional.empty(), Optional.empty()));
    assertEquals(parser.createStatement(rewrittenQuery.getPostQueries().get(0)), new DropTable(createTableAs.getName(), true));
}

Example 5 with Table

use of com.facebook.presto.sql.tree.Table in project presto by prestodb.

the class TestSqlParser method testSelectWithGroupBy.

@Test
public void testSelectWithGroupBy() throws Exception {
    assertStatement("SELECT * FROM table1 GROUP BY a", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of(new Identifier("a")))))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
    assertStatement("SELECT * FROM table1 GROUP BY a, b", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of(new Identifier("a"))), new SimpleGroupBy(ImmutableList.of(new Identifier("b")))))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
    assertStatement("SELECT * FROM table1 GROUP BY ()", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of())))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
    assertStatement("SELECT * FROM table1 GROUP BY GROUPING SETS (a)", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(QualifiedName.of("a"))))))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
    assertStatement("SELECT * FROM table1 GROUP BY ALL GROUPING SETS ((a, b), (a), ()), CUBE (c), ROLLUP (d)", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(QualifiedName.of("a"), QualifiedName.of("b")), ImmutableList.of(QualifiedName.of("a")), ImmutableList.of())), new Cube(ImmutableList.of(QualifiedName.of("c"))), new Rollup(ImmutableList.of(QualifiedName.of("d")))))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
    assertStatement("SELECT * FROM table1 GROUP BY DISTINCT GROUPING SETS ((a, b), (a), ()), CUBE (c), ROLLUP (d)", new Query(Optional.empty(), new QuerySpecification(selectList(new AllColumns()), Optional.of(new Table(QualifiedName.of("table1"))), Optional.empty(), Optional.of(new GroupBy(true, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(QualifiedName.of("a"), QualifiedName.of("b")), ImmutableList.of(QualifiedName.of("a")), ImmutableList.of())), new Cube(ImmutableList.of(QualifiedName.of("c"))), new Rollup(ImmutableList.of(QualifiedName.of("d")))))), Optional.empty(), Optional.empty(), Optional.empty()), Optional.empty(), Optional.empty()));
}