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

Example 46 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBoundsFromExpressionWithBothWindowBounds.

@Test
public void shouldExtractKeyValueAndWindowBoundsFromExpressionWithBothWindowBounds() {
    // Given:
    final Expression keyExp = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression windowStart = new ComparisonExpression(Type.GREATER_THAN, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWSTART")), new IntegerLiteral(2));
    final Expression windowEnd = new ComparisonExpression(Type.LESS_THAN_OR_EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWEND")), new IntegerLiteral(3));
    final Expression expressionA = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, keyExp, windowStart);
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, expressionA, windowEnd);
    QueryFilterNode filterNode = new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, true, plannerOptions);
    // When:
    final List<LookupConstraint> keys = filterNode.getLookupConstraints();
    // Then:
    assertThat(filterNode.isWindowed(), is(true));
    assertThat(keys.size(), is(1));
    final KeyConstraint keyConstraint = (KeyConstraint) keys.get(0);
    assertThat(keyConstraint.getKey(), is(GenericKey.genericKey(1)));
    assertThat(keyConstraint.getWindowBounds(), is(Optional.of(new WindowBounds(new WindowRange(null, null, Range.downTo(Instant.ofEpochMilli(2), BoundType.OPEN)), new WindowRange(null, Range.upTo(Instant.ofEpochMilli(3), BoundType.CLOSED), null)))));
}

Example 47 with Expression

use of io.confluent.ksql.execution.expression.tree.Expression 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 48 with Expression

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

the class InterpretedExpressionTest method shouldEvaluateSubscriptExpression.

@Test
public void shouldEvaluateSubscriptExpression() {
    // Given:
    final Expression expression1 = new SubscriptExpression(new CreateArrayExpression(ImmutableList.of(new StringLiteral("1"), new StringLiteral("2"))), new IntegerLiteral(1));
    final Expression expression2 = new SubscriptExpression(new CreateMapExpression(ImmutableMap.of(new StringLiteral("a"), new LongLiteral(123), new StringLiteral("b"), new LongLiteral(456))), new StringLiteral("a"));
    // When:
    InterpretedExpression interpreter1 = interpreter(expression1);
    InterpretedExpression interpreter2 = interpreter(expression2);
    // Then:
    assertThat(interpreter1.evaluate(ROW), is("1"));
    assertThat(interpreter2.evaluate(ROW), is(123L));
}

Example 49 with Expression

use of io.confluent.ksql.execution.expression.tree.Expression 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 50 with Expression

use of io.confluent.ksql.execution.expression.tree.Expression 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")));
}