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

Example 66 with Expression

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

the class ExpressionTreeRewriterTest method shouldRewriteArithmeticBinary.

@Test
public void shouldRewriteArithmeticBinary() {
    // Given:
    final ArithmeticBinaryExpression parsed = parseExpression("1 + 2");
    when(processor.apply(parsed.getLeft(), context)).thenReturn(expr1);
    when(processor.apply(parsed.getRight(), context)).thenReturn(expr2);
    // When
    final Expression rewritten = expressionRewriter.rewrite(parsed, context);
    // Then:
    assertThat(rewritten, equalTo(new ArithmeticBinaryExpression(parsed.getLocation(), parsed.getOperator(), expr1, expr2)));
}

Example 67 with Expression

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

the class ExpressionTreeRewriterTest method shouldRewriteType.

@Test
public void shouldRewriteType() {
    // Given:
    final Type type = new Type(SqlPrimitiveType.of("INTEGER"));
    // When:
    final Expression rewritten = expressionRewriter.rewrite(type, context);
    // Then:
    assertThat(rewritten, is(type));
}

Example 68 with Expression

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

the class ExpressionTreeRewriterTest method shouldRewriteIsNullPredicateUsingPlugin.

@Test
public void shouldRewriteIsNullPredicateUsingPlugin() {
    // Given:
    final Expression parsed = parseExpression("col0 IS NULL");
    // When/Then:
    shouldRewriteUsingPlugin(parsed);
}

Example 69 with Expression

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

the class ExpressionTreeRewriterTest method shouldRewriteLikePredicate.

@Test
public void shouldRewriteLikePredicate() {
    // Given:
    final LikePredicate parsed = parseExpression("col1 LIKE '%foo%' ESCAPE '!'");
    when(processor.apply(parsed.getValue(), context)).thenReturn(expr1);
    when(processor.apply(parsed.getPattern(), context)).thenReturn(expr2);
    // When:
    final Expression rewritten = expressionRewriter.rewrite(parsed, context);
    // Then:
    assertThat(rewritten, equalTo(new LikePredicate(parsed.getLocation(), expr1, expr2, Optional.of('!'))));
}

Example 70 with Expression

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

the class ExpressionTreeRewriterTest method shouldRewriteArithmeticBinaryUsingPlugin.

@Test
public void shouldRewriteArithmeticBinaryUsingPlugin() {
    // Given:
    final Expression parsed = parseExpression("1 + 2");
    // When/Then:
    shouldRewriteUsingPlugin(parsed);
}