Examples with Cast io.confluent.ksql.execution.expression.tree.Cast used on opensource projects

Example 1 with Cast

use of io.confluent.ksql.execution.expression.tree.Cast in project ksql by confluentinc.

the class InterpretedExpressionTest method shouldEvaluateCastToString.

@Test
public void shouldEvaluateCastToString() {
    // Given:
    final Expression cast1 = new Cast(new IntegerLiteral(10), new Type(SqlPrimitiveType.of("STRING")));
    final Expression cast2 = new Cast(new LongLiteral(1234L), new Type(SqlPrimitiveType.of("STRING")));
    final Expression cast3 = new Cast(new DoubleLiteral(12.5), new Type(SqlPrimitiveType.of("STRING")));
    final Expression cast4 = new Cast(new DecimalLiteral(new BigDecimal("4567.5")), new Type(SqlPrimitiveType.of("STRING")));
    // When:
    InterpretedExpression interpreter1 = interpreter(cast1);
    InterpretedExpression interpreter2 = interpreter(cast2);
    InterpretedExpression interpreter3 = interpreter(cast3);
    InterpretedExpression interpreter4 = interpreter(cast4);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is("10"));
    assertThat(interpreter2.evaluate(ROW), is("1234"));
    assertThat(interpreter3.evaluate(ROW), is("12.5"));
    assertThat(interpreter4.evaluate(ROW), is("4567.5"));
}

Example 2 with Cast

use of io.confluent.ksql.execution.expression.tree.Cast in project ksql by confluentinc.

the class InterpretedExpressionTest method shouldEvaluateCastToDouble.

@Test
public void shouldEvaluateCastToDouble() {
    // Given:
    final Expression cast1 = new Cast(new LongLiteral(10L), new Type(SqlPrimitiveType.of("DOUBLE")));
    final Expression cast2 = new Cast(new StringLiteral("1234.5"), new Type(SqlPrimitiveType.of("DOUBLE")));
    final Expression cast3 = new Cast(new IntegerLiteral(12), new Type(SqlPrimitiveType.of("DOUBLE")));
    final Expression cast4 = new Cast(new DecimalLiteral(new BigDecimal("4567.5")), new Type(SqlPrimitiveType.of("DOUBLE")));
    // When:
    InterpretedExpression interpreter1 = interpreter(cast1);
    InterpretedExpression interpreter2 = interpreter(cast2);
    InterpretedExpression interpreter3 = interpreter(cast3);
    InterpretedExpression interpreter4 = interpreter(cast4);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is(10d));
    assertThat(interpreter2.evaluate(ROW), is(1234.5d));
    assertThat(interpreter3.evaluate(ROW), is(12d));
    assertThat(interpreter4.evaluate(ROW), is(4567.5d));
}

Example 3 with Cast

use of io.confluent.ksql.execution.expression.tree.Cast in project ksql by confluentinc.

the class InterpretedExpressionTest method shouldEvaluateCastToArray.

@Test
public void shouldEvaluateCastToArray() {
    // Given:
    final Expression cast1 = new Cast(new CreateArrayExpression(ImmutableList.of(new StringLiteral("1"), new StringLiteral("2"))), new Type(SqlTypes.array(SqlTypes.INTEGER)));
    final Expression cast2 = new Cast(new CreateArrayExpression(ImmutableList.of(new DoubleLiteral(2.5), new DoubleLiteral(3.6))), new Type(SqlTypes.array(SqlTypes.INTEGER)));
    final Expression cast3 = new Cast(new CreateArrayExpression(ImmutableList.of(new DoubleLiteral(2.5), new DoubleLiteral(3.6))), new Type(SqlTypes.array(SqlTypes.STRING)));
    // When:
    InterpretedExpression interpreter1 = interpreter(cast1);
    InterpretedExpression interpreter2 = interpreter(cast2);
    InterpretedExpression interpreter3 = interpreter(cast3);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is(ImmutableList.of(1, 2)));
    assertThat(interpreter2.evaluate(ROW), is(ImmutableList.of(2, 3)));
    assertThat(interpreter3.evaluate(ROW), is(ImmutableList.of("2.5", "3.6")));
}

Example 4 with Cast

use of io.confluent.ksql.execution.expression.tree.Cast in project ksql by confluentinc.

the class InterpretedExpressionTest method shouldEvaluateCastToDecimal.

@Test
public void shouldEvaluateCastToDecimal() {
    // Given:
    final Expression cast1 = new Cast(new LongLiteral(10L), new Type(SqlTypes.decimal(10, 1)));
    final Expression cast2 = new Cast(new StringLiteral("1234.5"), new Type(SqlTypes.decimal(10, 1)));
    final Expression cast3 = new Cast(new IntegerLiteral(12), new Type(SqlTypes.decimal(10, 1)));
    final Expression cast4 = new Cast(new DoubleLiteral(4567.5), new Type(SqlTypes.decimal(10, 1)));
    // When:
    InterpretedExpression interpreter1 = interpreter(cast1);
    InterpretedExpression interpreter2 = interpreter(cast2);
    InterpretedExpression interpreter3 = interpreter(cast3);
    InterpretedExpression interpreter4 = interpreter(cast4);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is(BigDecimal.valueOf(10L).setScale(1)));
    assertThat(interpreter2.evaluate(ROW), is(BigDecimal.valueOf(1234.5d).setScale(1)));
    assertThat(interpreter3.evaluate(ROW), is(BigDecimal.valueOf(12).setScale(1)));
    assertThat(interpreter4.evaluate(ROW), is(BigDecimal.valueOf(4567.5d).setScale(1)));
}

Example 5 with Cast

use of io.confluent.ksql.execution.expression.tree.Cast in project ksql by confluentinc.

the class InterpretedExpressionTest method shouldEvaluateCastToBytes.

@Test
public void shouldEvaluateCastToBytes() {
    // Given:
    final Expression cast1 = new Cast(new BytesLiteral(ByteBuffer.wrap(new byte[] { 123 })), new Type(SqlPrimitiveType.of("BYTES")));
    // When:
    InterpretedExpression interpreter1 = interpreter(cast1);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is(ByteBuffer.wrap(new byte[] { 123 })));
}