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

Example 26 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBoundsFromExpressionWithLTWindowEnd.

@Test
public void shouldExtractKeyValueAndWindowBoundsFromExpressionWithLTWindowEnd() {
    // Given:
    final Expression keyExp = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression windowStart = new ComparisonExpression(Type.LESS_THAN, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWEND")), new IntegerLiteral(2));
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, keyExp, windowStart);
    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(), new WindowRange(null, Range.upTo(Instant.ofEpochMilli(2), BoundType.OPEN), null)))));
}

Example 27 with Expression

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

the class QueryFilterNodeTest method shouldThrowOnMultipleKeyExpressions.

@Test
public void shouldThrowOnMultipleKeyExpressions() {
    // Given:
    final Expression expression1 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression expression2 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(2));
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, expression1, expression2);
    // When:
    final KsqlException e = assertThrows(KsqlException.class, () -> new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions));
    // Then:
    assertThat(e.getMessage(), containsString("A comparison condition on the key column cannot be combined with other comparisons"));
}

Example 28 with Expression

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

the class QueryFilterNodeTest method shouldThrowOnEqOneWindowBoundAndGtAnother.

@Test
public void shouldThrowOnEqOneWindowBoundAndGtAnother() {
    // Given:
    final Expression keyExp = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression windowStart = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWSTART")), new IntegerLiteral(2));
    final Expression windowEnd = new ComparisonExpression(Type.GREATER_THAN, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWSTART")), new IntegerLiteral(3));
    final Expression expressionA = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, keyExp, windowStart);
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, expressionA, windowEnd);
    // When:
    final KsqlException e = assertThrows(KsqlException.class, () -> new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, true, plannerOptions));
    // Then:
    assertThat(e.getMessage(), containsString("(WINDOWSTART > 3)` cannot be combined with other `WINDOWSTART` bounds"));
}

Example 29 with Expression

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

the class QueryFilterNodeTest method shouldNotExtractMultiColKeySchema.

@Test
public void shouldNotExtractMultiColKeySchema() {
    // Given:
    final LogicalSchema multiSchema = LogicalSchema.builder().keyColumn(ColumnName.of("K1"), SqlTypes.INTEGER).keyColumn(ColumnName.of("K2"), SqlTypes.INTEGER).valueColumn(ColumnName.of("C1"), SqlTypes.INTEGER).build();
    final Expression keyExp1 = new ComparisonExpression(Type.GREATER_THAN, new UnqualifiedColumnReferenceExp(ColumnName.of("K1")), new IntegerLiteral(1));
    final Expression keyExp2 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K2")), new IntegerLiteral(3));
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, keyExp1, keyExp2);
    when(source.getSchema()).thenReturn(multiSchema);
    QueryFilterNode filterNode = new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions);
    // When:
    final List<LookupConstraint> keys = filterNode.getLookupConstraints();
    // Then:
    assertThat(keys.size(), is(1));
    assertThat(keys.get(0), instanceOf(NonKeyConstraint.class));
}

Example 30 with Expression

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

the class QueryFilterNodeTest method shouldSupportMultiKeyExpressions.

@Test
public void shouldSupportMultiKeyExpressions() {
    // Given:
    when(source.getSchema()).thenReturn(MULTI_KEY_SCHEMA);
    final Expression expression1 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K1")), new IntegerLiteral(1));
    final Expression expression2 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K2")), new IntegerLiteral(2));
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, expression1, expression2);
    QueryFilterNode filterNode = new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, true, plannerOptions);
    // When:
    final List<LookupConstraint> keys = filterNode.getLookupConstraints();
    // Then:
    assertThat(keys.size(), is(1));
    final KeyConstraint keyConstraint = (KeyConstraint) keys.get(0);
    assertThat(keyConstraint.getKey(), is(GenericKey.genericKey(1, 2)));
}