Examples with Function io.questdb.cairo.sql.Function used on opensource projects

Example 6 with Function

use of io.questdb.cairo.sql.Function in project questdb by bluestreak01.

the class BindVariablesTest method testUppercaseStr.

@Test
public void testUppercaseStr() throws SqlException {
    bindVariableService.setStr("str", "abcDEFghiJKLmnoPQRstuVXZ");
    Function func = expr("to_uppercase(:str)").withFunction(new ToUppercaseFunctionFactory()).$();
    func.init(null, sqlExecutionContext);
    TestUtils.assertEquals("ABCDEFGHIJKLMNOPQRSTUVXZ", func.getStr(builder.getRecord()));
}

Example 7 with Function

use of io.questdb.cairo.sql.Function in project questdb by bluestreak01.

the class BindVariablesTest method testCharIndexed.

@Test
public void testCharIndexed() throws SqlException {
    bindVariableService.setChar(0, 'C');
    bindVariableService.setChar(1, 'A');
    Function func = expr("$1 || $2").withFunction(new ConcatFunctionFactory()).$();
    func.init(null, sqlExecutionContext);
    TestUtils.assertEquals("CA", func.getStr(builder.getRecord()));
    bindVariableService.setChar(1, '0');
    func.init(null, sqlExecutionContext);
    TestUtils.assertEquals("C0", func.getStr(builder.getRecord()));
    func.close();
}

Example 8 with Function

use of io.questdb.cairo.sql.Function in project questdb by bluestreak01.

the class BindVariablesTest method testBooleanIndexed.

@Test
public void testBooleanIndexed() throws SqlException {
    bindVariableService.setBoolean(1, false);
    bindVariableService.setBoolean(0, false);
    Function func = expr("not $1").withFunction(new NotFunctionFactory()).$();
    func.init(null, sqlExecutionContext);
    Assert.assertTrue(func.getBool(builder.getRecord()));
    bindVariableService.setBoolean(0, true);
    Assert.assertFalse(func.getBool(builder.getRecord()));
}

Example 9 with Function

use of io.questdb.cairo.sql.Function in project questdb by bluestreak01.

the class BindVariablesTest method testFloatExplicitlyIndexed.

@Test
public void testFloatExplicitlyIndexed() throws SqlException {
    bindVariableService.setFloat(2, Float.NaN);
    bindVariableService.setFloat(0, 7.6f);
    bindVariableService.setFloat(1, 9.21f);
    Function func = expr("$1 + $1").withFunction(new AddFloatFunctionFactory()).$();
    func.init(null, sqlExecutionContext);
    Assert.assertEquals(15.2f, func.getFloat(builder.getRecord()), 0.001f);
    bindVariableService.setFloat(0, 0.13f);
    func.init(null, sqlExecutionContext);
    Assert.assertEquals(0.26f, func.getFloat(builder.getRecord()), 0.001f);
    func.close();
}

Example 10 with Function

use of io.questdb.cairo.sql.Function in project questdb by bluestreak01.

the class BindVariablesTest method testDate.

@Test
public void testDate() throws SqlException, NumericException {
    bindVariableService.setDate("xyz", DateFormatUtils.parseUTCDate("2015-04-10T10:00:00.000Z"));
    Function func = expr("to_str(:xyz, 'yyyy-MM')").withFunction(new ToStrDateFunctionFactory()).$();
    func.init(null, sqlExecutionContext);
    TestUtils.assertEquals("2015-04", func.getStr(builder.getRecord()));
    bindVariableService.setDate("xyz", DateFormatUtils.parseUTCDate("2015-08-10T10:00:00.000Z"));
    TestUtils.assertEquals("2015-08", func.getStr(builder.getRecord()));
}