Examples with Query org.teiid.query.sql.lang.Query used on opensource projects

Example 61 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLimitParsing method testSetQueryLimit.

@Test
public void testSetQueryLimit() {
    Query query = new Query();
    Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
    // $NON-NLS-1$
    From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a"))));
    query.setSelect(select);
    query.setFrom(from);
    SetQuery setQuery = new SetQuery(Operation.UNION, true, query, query);
    setQuery.setLimit(new Limit(new Reference(0), new Reference(1)));
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTest("Select * from a union all Select * from a limit ?,?", "SELECT * FROM a UNION ALL SELECT * FROM a LIMIT ?, ?", setQuery);
}

Example 62 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLimitParsing method testLimit.

@Test
public void testLimit() {
    Query query = new Query();
    Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
    // $NON-NLS-1$
    From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a"))));
    query.setSelect(select);
    query.setFrom(from);
    query.setLimit(new Limit(null, new Constant(new Integer(100))));
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTest("Select * from a limit 100", "SELECT * FROM a LIMIT 100", query);
}

Example 63 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLimitParsing method testOffset.

@Test
public void testOffset() {
    Query query = new Query();
    Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
    // $NON-NLS-1$
    From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a"))));
    query.setSelect(select);
    query.setFrom(from);
    query.setLimit(new Limit(new Reference(0), null));
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTest("Select * from a offset ? rows", "SELECT * FROM a OFFSET ? ROWS", query);
}

Example 64 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLimitParsing method testLimitWithReferences1.

@Test
public void testLimitWithReferences1() {
    Query query = new Query();
    Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
    // $NON-NLS-1$
    From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a"))));
    query.setSelect(select);
    query.setFrom(from);
    query.setLimit(new Limit(new Reference(0), new Constant(new Integer(100))));
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTest("Select * from a limit ?,100", "SELECT * FROM a LIMIT ?, 100", query);
}

Example 65 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLimitParsing method testFetchFirst.

@Test
public void testFetchFirst() {
    Query query = new Query();
    Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
    // $NON-NLS-1$
    From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a"))));
    query.setSelect(select);
    query.setFrom(from);
    query.setLimit(new Limit(null, new Constant(2)));
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTest("Select * from a fetch first 2 rows only", "SELECT * FROM a LIMIT 2", query);
}