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

Example 41 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueFromExpressionEquals.

@Test
public void shouldExtractKeyValueFromExpressionEquals() {
    // Given:
    final Expression expression = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new ArithmeticUnaryExpression(Optional.empty(), Sign.MINUS, new IntegerLiteral(1)));
    QueryFilterNode filterNode = new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions);
    // When:
    final List<LookupConstraint> keys = filterNode.getLookupConstraints();
    // Then:
    assertThat(filterNode.isWindowed(), is(false));
    assertThat(keys.size(), is(1));
    final KeyConstraint keyConstraint = (KeyConstraint) keys.get(0);
    assertThat(keyConstraint.getKey(), is(GenericKey.genericKey(-1)));
    assertThat(keyConstraint.getWindowBounds(), is(Optional.empty()));
}

Example 42 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBoundsFromExpressionWithLTEWindowStart.

@Test
public void shouldExtractKeyValueAndWindowBoundsFromExpressionWithLTEWindowStart() {
    // Given:
    final Expression keyExp = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression windowStart = new ComparisonExpression(Type.LESS_THAN_OR_EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("WINDOWSTART")), 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(null, Range.upTo(Instant.ofEpochMilli(2), BoundType.CLOSED), null), new WindowRange()))));
}

Example 43 with Expression

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

the class QueryFilterNodeTest method shouldThrowOnMultiColKeySchema.

@Test
public void shouldThrowOnMultiColKeySchema() {
    // Given:
    final LogicalSchema multiSchema = LogicalSchema.builder().keyColumn(ColumnName.of("K"), SqlTypes.INTEGER).keyColumn(ColumnName.of("K2"), SqlTypes.INTEGER).valueColumn(ColumnName.of("C1"), SqlTypes.INTEGER).build();
    final Expression expression = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new ArithmeticUnaryExpression(Optional.empty(), Sign.MINUS, new IntegerLiteral(1)));
    when(source.getSchema()).thenReturn(multiSchema);
    // When:
    final KsqlException e = assertThrows(KsqlException.class, () -> new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions));
    // Then:
    assertThat(e.getMessage(), containsString("Multi-column sources must specify every key in the WHERE clause. Specified: [`K`] Expected: [`K` INTEGER KEY, `K2` INTEGER KEY]."));
}

Example 44 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBoundsFromExpressionWithGTEWindowEnd.

@Test
public void shouldExtractKeyValueAndWindowBoundsFromExpressionWithGTEWindowEnd() {
    // Given:
    final Expression keyExp = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new IntegerLiteral(1));
    final Expression windowStart = new ComparisonExpression(Type.GREATER_THAN_OR_EQUAL, 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, null, Range.downTo(Instant.ofEpochMilli(2), BoundType.CLOSED))))));
}

Example 45 with Expression

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

the class QueryFilterNodeTest method shouldThrowOnNonKeyCol.

@Test
public void shouldThrowOnNonKeyCol() {
    // Given:
    final Expression expression = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("COL0")), new StringLiteral("abc"));
    // When:
    final KsqlException e = assertThrows(KsqlException.class, () -> new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions));
    // Then:
    assertThat(e.getMessage(), containsString("WHERE clause missing key column for disjunct: " + "(COL0 = 'abc')"));
}