[jira] [Created] (FLINK-18889) New Async Table Function type inference fails

[Shang Yuanchun (Jira)]

Mulan created FLINK-18889:
-----------------------------

             Summary: New Async Table Function type inference fails
                 Key: FLINK-18889
                 URL: https://issues.apache.org/jira/browse/FLINK-18889
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / API
    Affects Versions: 1.11.1
            Reporter: Mulan


{code:java}
@FunctionHint(
    input = @DataTypeHint("STRING"),
    output = @DataTypeHint("ROW<ct STRING>")
)
public class RedisAsyncTableFunction extends AsyncTableFunction<Row> {

    private RedisClient redisClient;
    private StatefulRedisConnection<String, String> connection;
    private RedisKeyAsyncCommands<String, String> async;
    private static final String PREFIX = "redis://";
    private static final String DEFAULT_DB = "0";
    private static final String DEFAULT_URL = "localhost:6379";
    private static final String DEFAULT_PASSWORD = "";

    @Override
    public void open(FunctionContext context) throws Exception {
        final String url = DEFAULT_URL;
        final String password = DEFAULT_PASSWORD;
        final String database = DEFAULT_DB;
        StringBuilder redisUri = new StringBuilder();
        redisUri.append(PREFIX).append(password).append(url).append("/").append(database);

        redisClient = RedisClient.create(redisUri.toString());
        connection = redisClient.connect();
        async = connection.async();
    }

    public void eval(CompletableFuture<Collection<Row>> outputFuture, String key) {
        RedisFuture<Map<String, String>> redisFuture = ((RedisHashAsyncCommands) async).hgetall(key);
        redisFuture.thenAccept(new Consumer<Map<String, String>>() {
            @Override
            public void accept(Map<String, String> values) {
                int len = 1;
                Row row = new Row(len);
                row.setField(0, values.get("ct"));
                outputFuture.complete(Collections.singletonList(row));
            }
        });
    }

    @Override
    public void close() throws Exception {
        if (connection != null){
            connection.close();
        }
        if (redisClient != null){
            redisClient.shutdown();
        }
    }
}
{code}
{code:java}
tEnv.createTemporarySystemFunction("lookup_redis", RedisAsyncTableFunction.class);
{code}
{code:java}
Exception in thread "main" org.apache.flink.table.api.ValidationException: SQL validation failed. From line 3, column 31 to line 3, column 48: No match found for function signature lookup_redis(<CHARACTER>)
        at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:146)
        at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:108)
        at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:185)
        at org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlInsert(SqlToOperationConverter.java:525)
        at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:202)
        at org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
        at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeSql(TableEnvironmentImpl.java:684)
        at hua.mulan.slink.SqlSubmit.callInsertInto(SqlSubmit.java:100)
        at hua.mulan.slink.SqlSubmit.callCommand(SqlSubmit.java:75)
        at hua.mulan.slink.SqlSubmit.run(SqlSubmit.java:57)
        at hua.mulan.slink.SqlSubmit.main(SqlSubmit.java:38)
Caused by: org.apache.calcite.runtime.CalciteContextException: From line 3, column 31 to line 3, column 48: No match found for function signature lookup_redis(<CHARACTER>)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
        at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:839)
        at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:824)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5089)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.handleUnresolvedFunction(SqlValidatorImpl.java:1882)
        at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:305)
        at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:218)
        at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5858)
        at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5845)
        at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1800)
        at org.apache.calcite.sql.validate.ProcedureNamespace.validateImpl(ProcedureNamespace.java:57)
        at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1110)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3256)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3238)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3303)
        at org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:86)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3247)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510)
        at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
        at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1110)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
        at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1059)
        at org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:766)
        at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:141)
        ... 10 more
Caused by: org.apache.calcite.sql.validate.SqlValidatorException: No match found for function signature lookup_redis(<CHARACTER>)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
        at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:550)
        ... 38 more
{code}

Is similar issue?
https://issues.apache.org/jira/browse/FLINK-18520




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