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

Example 31 with Expression

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

the class QueryFilterNodeTest method shouldExtractConstraintWithMultipleKeyExpressions_tableScan.

@SuppressWarnings("unchecked")
@Test
public void shouldExtractConstraintWithMultipleKeyExpressions_tableScan() {
    // Given:
    when(plannerOptions.getTableScansEnabled()).thenReturn(true);
    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);
    QueryFilterNode filterNode = new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions);
    // Then:
    final List<LookupConstraint> keys = filterNode.getLookupConstraints();
    assertThat(keys.size(), is(1));
    assertThat(keys.get(0), instanceOf(KeyConstraint.class));
}

Example 32 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueFromNullLiteral.

@Test
public void shouldExtractKeyValueFromNullLiteral() {
    // Given:
    final Expression expression = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K")), new NullLiteral());
    // When:
    final KsqlException e = assertThrows(KsqlException.class, () -> new QueryFilterNode(NODE_ID, source, expression, metaStore, ksqlConfig, false, plannerOptions));
    // Then:
    assertThat(e.getMessage(), containsString("Primary key columns can not be NULL: (K = null)"));
}

Example 33 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBountsFromExpressionWithGTWindowStart.

@Test
public void shouldExtractKeyValueAndWindowBountsFromExpressionWithGTWindowStart() {
    // 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 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, null, Range.downTo(Instant.ofEpochMilli(2), BoundType.OPEN)), new WindowRange()))));
}

Example 34 with Expression

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

the class QueryFilterNodeTest method shouldExtractKeyValueAndWindowBoundsFromExpressionWithGTWindowEnd.

@Test
public void shouldExtractKeyValueAndWindowBoundsFromExpressionWithGTWindowEnd() {
    // 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("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.OPEN))))));
}

Example 35 with Expression

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

the class QueryFilterNodeTest method shouldReturnKeyConstraintString.

@Test
public void shouldReturnKeyConstraintString() {
    // Given:
    when(plannerOptions.getTableScansEnabled()).thenReturn(true);
    final LogicalSchema schema = LogicalSchema.builder().keyColumn(ColumnName.of("K1"), SqlTypes.STRING).valueColumn(ColumnName.of("C1"), SqlTypes.INTEGER).build();
    when(source.getSchema()).thenReturn(schema);
    final Expression keyExp1 = new ComparisonExpression(Type.GREATER_THAN, new UnqualifiedColumnReferenceExp(ColumnName.of("K1")), new StringLiteral("v1"));
    final Expression keyExp2 = new ComparisonExpression(Type.EQUAL, new UnqualifiedColumnReferenceExp(ColumnName.of("K1")), new StringLiteral("v2"));
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, keyExp1, keyExp2);
    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(KeyConstraint.class));
    final KeyConstraint keyConstraint = (KeyConstraint) keys.get(0);
    assertThat(keyConstraint.getKey(), is(GenericKey.genericKey("v2")));
    assertThat(keyConstraint.getOperator(), is(KeyConstraint.ConstraintOperator.EQUAL));
}