Examples with TranslatedExpression com.facebook.presto.expressions.translator.TranslatedExpression used on opensource projects

Example 1 with TranslatedExpression

use of com.facebook.presto.expressions.translator.TranslatedExpression in project presto by prestodb.

the class TestRowExpressionTranslator method testMissingFunctionTranslator.

@Test
public void testMissingFunctionTranslator() {
    String untranslated = "ABS(col1)";
    TypeProvider typeProvider = TypeProvider.copyOf(ImmutableMap.of("col1", DOUBLE));
    RowExpression specialForm = sqlToRowExpressionTranslator.translate(expression(untranslated), typeProvider);
    TranslatedExpression translatedExpression = translateWith(specialForm, new TestFunctionTranslator(functionAndTypeManager, buildFunctionTranslator(ImmutableSet.of(TestFunctions.class))), emptyMap());
    assertFalse(translatedExpression.getTranslated().isPresent());
}

Example 2 with TranslatedExpression

use of com.facebook.presto.expressions.translator.TranslatedExpression in project presto by prestodb.

the class TestRowExpressionTranslator method testLessThanOperator.

@Test
public void testLessThanOperator() {
    String untranslated = "col1 < col2";
    TypeProvider typeProvider = TypeProvider.copyOf(ImmutableMap.of("col1", BIGINT, "col2", BIGINT));
    RowExpression specialForm = sqlToRowExpressionTranslator.translate(expression(untranslated), typeProvider);
    TranslatedExpression translatedExpression = translateWith(specialForm, new TestFunctionTranslator(functionAndTypeManager, buildFunctionTranslator(ImmutableSet.of(TestFunctions.class))), emptyMap());
    assertTrue(translatedExpression.getTranslated().isPresent());
    assertEquals(translatedExpression.getTranslated().get(), "col1 LT col2");
}

Example 3 with TranslatedExpression

use of com.facebook.presto.expressions.translator.TranslatedExpression in project presto by prestodb.

the class TestRowExpressionTranslator method testEndToEndFunctionTranslation.

@Test
public void testEndToEndFunctionTranslation() {
    String untranslated = "LN(bitwise_and(1, col1))";
    TypeProvider typeProvider = TypeProvider.copyOf(ImmutableMap.of("col1", BIGINT));
    CallExpression callExpression = (CallExpression) sqlToRowExpressionTranslator.translate(expression(untranslated), typeProvider);
    TranslatedExpression translatedExpression = translateWith(callExpression, new TestFunctionTranslator(functionAndTypeManager, buildFunctionTranslator(ImmutableSet.of(TestFunctions.class))), emptyMap());
    assertTrue(translatedExpression.getTranslated().isPresent());
    assertEquals(translatedExpression.getTranslated().get(), "LNof(1 BITWISE_AND col1)");
}

Example 4 with TranslatedExpression

use of com.facebook.presto.expressions.translator.TranslatedExpression in project presto by prestodb.

the class TestRowExpressionTranslator method testHiddenFunctionNot.

@Test
public void testHiddenFunctionNot() {
    String untranslated = "NOT true";
    RowExpression specialForm = sqlToRowExpressionTranslator.translate(expression(untranslated), TypeProvider.empty());
    TranslatedExpression translatedExpression = translateWith(specialForm, new TestFunctionTranslator(functionAndTypeManager, buildFunctionTranslator(ImmutableSet.of(TestFunctions.class))), emptyMap());
    assertTrue(translatedExpression.getTranslated().isPresent());
    assertEquals(translatedExpression.getTranslated().get(), "NOT_2 true");
}

Example 5 with TranslatedExpression

use of com.facebook.presto.expressions.translator.TranslatedExpression in project presto by prestodb.

the class TestRowExpressionTranslator method testIncorrectFunctionSignatureInDefinition.

@Test
public void testIncorrectFunctionSignatureInDefinition() {
    String untranslated = "CEIL(col1)";
    TypeProvider typeProvider = TypeProvider.copyOf(ImmutableMap.of("col1", DOUBLE));
    RowExpression specialForm = sqlToRowExpressionTranslator.translate(expression(untranslated), typeProvider);
    TranslatedExpression translatedExpression = translateWith(specialForm, new TestFunctionTranslator(functionAndTypeManager, buildFunctionTranslator(ImmutableSet.of(TestFunctions.class))), emptyMap());
    assertFalse(translatedExpression.getTranslated().isPresent());
}