Examples with ColumnName io.confluent.ksql.name.ColumnName used on opensource projects

Example 6 with ColumnName

use of io.confluent.ksql.name.ColumnName in project ksql by confluentinc.

the class KsqlStructuredDataOutputNode method validate.

private static void validate(final PlanNode source, final SourceName sinkName) {
    if (!(source instanceof VerifiableNode)) {
        throw new IllegalArgumentException("VerifiableNode required");
    }
    ((VerifiableNode) source).validateKeyPresent(sinkName);
    final LogicalSchema schema = source.getSchema();
    final String duplicates = schema.columns().stream().map(Column::name).collect(Collectors.groupingBy(Function.identity(), Collectors.counting())).entrySet().stream().filter(e -> e.getValue() > 1).map(Entry::getKey).map(ColumnName::toString).collect(Collectors.joining(", "));
    if (!duplicates.isEmpty()) {
        throw new IllegalArgumentException("Value columns clash with key columns: " + duplicates);
    }
}

Example 7 with ColumnName

use of io.confluent.ksql.name.ColumnName in project ksql by confluentinc.

the class PreJoinProjectNode method buildSchema.

private static LogicalSchema buildSchema(final SourceName alias, final LogicalSchema parentSchema) {
    final LogicalSchema.Builder builder = LogicalSchema.builder();
    parentSchema.columns().forEach(c -> {
        final ColumnName aliasedName = ColumnNames.generatedJoinColumnAlias(alias, c.name());
        if (c.namespace() == Namespace.KEY) {
            builder.keyColumn(aliasedName, c.type());
        } else {
            builder.valueColumn(aliasedName, c.type());
        }
    });
    return builder.build();
}

Example 8 with ColumnName

use of io.confluent.ksql.name.ColumnName in project ksql by confluentinc.

the class PreJoinProjectNodeTest method shouldNotAddAliasOnResolveSelectStarWhenNotAliased.

@Test
public void shouldNotAddAliasOnResolveSelectStarWhenNotAliased() {
    // Given:
    final ColumnName unknown = ColumnName.of("unknown");
    when(source.resolveSelectStar(any())).thenReturn(ImmutableList.of(K, unknown).stream());
    // When:
    final Stream<ColumnName> result = projectNode.resolveSelectStar(Optional.empty());
    // Then:
    final List<ColumnName> columns = result.collect(Collectors.toList());
    assertThat(columns, contains(K, unknown));
}

Example 9 with ColumnName

use of io.confluent.ksql.name.ColumnName in project ksql by confluentinc.

the class ColumnReferenceParserTest method shouldParseQuotedIdentifier.

@Test
public void shouldParseQuotedIdentifier() {
    // When:
    final ColumnName result = ColumnReferenceParser.parse("`foo`");
    // Then:
    assertThat(result, is(ColumnName.of("foo")));
}

Example 10 with ColumnName

use of io.confluent.ksql.name.ColumnName in project ksql by confluentinc.

the class ColumnReferenceParserTest method shouldParseUnquotedIdentifier.

@Test
public void shouldParseUnquotedIdentifier() {
    // When:
    final ColumnName result = ColumnReferenceParser.parse("foo");
    // Then:
    assertThat(result, is(ColumnName.of("FOO")));
}