Examples with Function io.crate.expression.symbol.Function used on opensource projects

Example 71 with Function

use of io.crate.expression.symbol.Function in project crate by crate.

the class ExpressionAnalyzerTest method testSwapFunctionLeftSide.

@Test
public void testSwapFunctionLeftSide() throws Exception {
    Function cmp = (Function) expressions.normalize(executor.asSymbol("8 + 5 > t1.x"));
    // the comparison was swapped so the field is on the left side
    assertThat(cmp.name(), is("op_<"));
    assertThat(cmp.arguments().get(0), isReference("x"));
}

Example 72 with Function

use of io.crate.expression.symbol.Function in project crate by crate.

the class ExpressionAnalyzerTest method testColumnsAreCastedToLiteralType.

@Test
public void testColumnsAreCastedToLiteralType() {
    Function symbol = (Function) executor.asSymbol("doc.t2.i = 1.1");
    assertThat(symbol, isSQL("(_cast(doc.t2.i, 'double precision') = 1.1)"));
}

Example 73 with Function

use of io.crate.expression.symbol.Function in project crate by crate.

the class CommonQueryBuilderTest method test_eq_on_alias_uses_termquery.

@Test
public void test_eq_on_alias_uses_termquery() throws Exception {
    // Testing expression: col as alias = 'foo'
    AliasSymbol alias = new AliasSymbol("aliased", createReference("name", DataTypes.STRING));
    var literal = Literal.of("foo");
    var func = new Function(EqOperator.SIGNATURE, List.of(alias, literal), DataTypes.BOOLEAN);
    Query query = queryTester.toQuery(func);
    assertThat(query, instanceOf(TermQuery.class));
}

Example 74 with Function

use of io.crate.expression.symbol.Function in project crate by crate.

the class SimplifyEqualsOperationOnIdenticalReferencesTest method testSimplifyRefEqRefWhenRefIsNullableWithParent.

@Test
public void testSimplifyRefEqRefWhenRefIsNullableWithParent() {
    Function functionToOptimize = new Function(EqOperator.SIGNATURE, List.of(NULLABLE_REF, NULLABLE_REF), DataTypes.BOOLEAN);
    Function dummyParent = new Function(NotPredicate.SIGNATURE, List.of(functionToOptimize), DataTypes.BOOLEAN);
    Match<Function> match = RULE.pattern().accept(functionToOptimize, Captures.empty());
    assertTrue(match.isPresent());
    Symbol optimizedFunction = RULE.apply(match.value(), match.captures(), NODE_CONTEXT, dummyParent);
    assertThat(optimizedFunction, is(nullValue()));
}

Example 75 with Function

use of io.crate.expression.symbol.Function in project crate by crate.

the class SimplifyEqualsOperationOnIdenticalReferencesTest method testSimplifyRefEqRefWhenRefIsNullableWithNoParent.

@Test
public void testSimplifyRefEqRefWhenRefIsNullableWithNoParent() {
    Function functionToOptimize = new Function(EqOperator.SIGNATURE, List.of(NULLABLE_REF, NULLABLE_REF), DataTypes.BOOLEAN);
    Match<Function> match = RULE.pattern().accept(functionToOptimize, Captures.empty());
    assertTrue(match.isPresent());
    Symbol optimizedFunction = RULE.apply(match.value(), match.captures(), NODE_CONTEXT, null);
    Symbol expected = new Function(NotPredicate.SIGNATURE, List.of(new Function(IsNullPredicate.SIGNATURE, List.of(NULLABLE_REF), DataTypes.BOOLEAN)), DataTypes.BOOLEAN);
    assertThat(optimizedFunction, is(expected));
}