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

Example 46 with ComparisonExpression

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

the class SqlToJavaVisitorTest method shouldGenerateCorrectCodeForTimeTimeLT.

@Test
public void shouldGenerateCorrectCodeForTimeTimeLT() {
    // Given:
    final ComparisonExpression compExp = new ComparisonExpression(Type.LESS_THAN, TIMECOL, TIMECOL);
    // When:
    final String java = sqlToJavaVisitor.process(compExp);
    // Then:
    assertThat(java, containsString("(COL12.compareTo(COL12) < 0)"));
}

Example 47 with ComparisonExpression

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

the class FilterTypeValidatorTest method shouldThrowOnBadTypeComparison.

@Test
public void shouldThrowOnBadTypeComparison() {
    // Given:
    final Expression left = new UnqualifiedColumnReferenceExp(COLUMN1);
    final Expression right = new IntegerLiteral(10);
    final Expression comparision = new ComparisonExpression(Type.EQUAL, left, right);
    when(schema.findValueColumn(any())).thenReturn(Optional.of(Column.of(COLUMN1, STRING, VALUE, 10)));
    // When:
    assertThrows("Error in WHERE expression: " + "Cannot compare col1 (STRING) to 10 (INTEGER) with EQUAL.", KsqlException.class, () -> validator.validateFilterExpression(comparision));
}

Example 48 with ComparisonExpression

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

the class FilterTypeValidatorTest method shouldThrowOnBadTypeCompoundComparison_leftError.

@Test
public void shouldThrowOnBadTypeCompoundComparison_leftError() {
    // Given:
    final Expression left1 = new UnqualifiedColumnReferenceExp(COLUMN1);
    final Expression right1 = new UnqualifiedColumnReferenceExp(COLUMN2);
    final Expression comparision1 = new ComparisonExpression(Type.EQUAL, left1, right1);
    final Expression left2 = new UnqualifiedColumnReferenceExp(COLUMN1);
    final Expression right2 = new StringLiteral("foo");
    final Expression comparision2 = new ComparisonExpression(Type.EQUAL, left2, right2);
    final Expression expression = new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, comparision1, comparision2);
    when(schema.findValueColumn(COLUMN1)).thenReturn(Optional.of(Column.of(COLUMN1, STRING, VALUE, 10)));
    when(schema.findValueColumn(COLUMN2)).thenReturn(Optional.of(Column.of(COLUMN2, INTEGER, VALUE, 10)));
    // When:
    assertThrows("Error in WHERE expression: " + "Cannot compare col1 (STRING) to col2 (INTEGER) with EQUAL.", KsqlException.class, () -> validator.validateFilterExpression(expression));
}

Example 49 with ComparisonExpression

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

the class ExpressionTypeManagerTest method shouldFailIfOperatorCannotBeAppiled.

@Test
public void shouldFailIfOperatorCannotBeAppiled() {
    // Given:
    final ComparisonExpression expr = new ComparisonExpression(Type.GREATER_THAN, new BooleanLiteral("true"), new BooleanLiteral("false"));
    // When:
    final Exception e = assertThrows(KsqlException.class, () -> expressionTypeManager.getExpressionSqlType(expr));
    // Then:
    assertThat(e.getMessage(), containsString("Cannot compare true (BOOLEAN) to false (BOOLEAN) with " + "GREATER_THAN"));
}

Example 50 with ComparisonExpression

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

the class ExpressionTypeManagerTest method shouldFailIfComparisonOperandsAreIncompatible.

@Test
public void shouldFailIfComparisonOperandsAreIncompatible() {
    // Given:
    final ComparisonExpression expr = new ComparisonExpression(Type.GREATER_THAN, TestExpressions.COL0, COL1);
    // When:
    final Exception e = assertThrows(KsqlException.class, () -> expressionTypeManager.getExpressionSqlType(expr));
    // Then:
    assertThat(e.getMessage(), containsString("Cannot compare COL0 (BIGINT) to COL1 (STRING) with GREATER_THAN"));
}