[
https://issues.apache.org/jira/browse/BEAM-13400?focusedWorklogId=706996&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-706996
]
ASF GitHub Bot logged work on BEAM-13400:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jan/22 17:02
Start Date: 11/Jan/22 17:02
Worklog Time Spent: 10m
Work Description: vitaly-ivanov commented on a change in pull request
#16284:
URL: https://github.com/apache/beam/pull/16284#discussion_r782354274
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/logicaltypes/UuidLogicalType.java
##########
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.schemas.logicaltypes;
+
+import java.util.Objects;
+import java.util.UUID;
+import org.apache.beam.sdk.annotations.Experimental;
+import org.apache.beam.sdk.annotations.Experimental.Kind;
+import org.apache.beam.sdk.schemas.Schema;
+import org.apache.beam.sdk.schemas.Schema.FieldType;
+import org.apache.beam.sdk.values.Row;
+
+/** Base class for types representing UUID as two long values. */
+@Experimental(Kind.SCHEMAS)
+public class UuidLogicalType implements Schema.LogicalType<UUID, Row> {
+ public static final String IDENTIFIER = "beam:logical_type:uuid:v1";
+ public static final String LEAST_SIGNIFICANT_BITS_FIELD_NAME =
"LeastSignificantBits";
+ public static final String MOST_SIGNIFICANT_BITS_FIELD_NAME =
"MostSignificantBits";
+ public static final Schema UUID_SCHEMA =
+ Schema.builder()
+ .addInt64Field(MOST_SIGNIFICANT_BITS_FIELD_NAME)
+ .addInt64Field(LEAST_SIGNIFICANT_BITS_FIELD_NAME)
+ .build();
+
+ @Override
+ public String getIdentifier() {
+ return IDENTIFIER;
+ }
+
+ // unused
+ @Override
+ public Schema.FieldType getArgumentType() {
+ return Schema.FieldType.STRING;
+ }
+
+ // unused
+ @Override
+ public String getArgument() {
+ return "";
+ }
+
+ @Override
+ public FieldType getBaseType() {
+ return Schema.FieldType.row(UUID_SCHEMA);
+ }
+
+ @Override
+ public Row toBaseType(UUID input) {
+ return Row.withSchema(UUID_SCHEMA)
+ .addValues(input.getMostSignificantBits(),
input.getLeastSignificantBits())
+ .build();
+ }
+
+ @Override
+ public UUID toInputType(Row base) {
+ Long leastSignificantBitsValue =
base.getInt64(LEAST_SIGNIFICANT_BITS_FIELD_NAME);
+ Long mostSignificantBitsValue =
base.getInt64(MOST_SIGNIFICANT_BITS_FIELD_NAME);
+ Objects.requireNonNull(
Review comment:
Yeap. Done.
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Issue Time Tracking
-------------------
Worklog Id: (was: 706996)
Time Spent: 4h (was: 3h 50m)
> JDBC IO does not support UUID and JSONB PostgreSQL types and OTHER JDBC
> types in general
> -----------------------------------------------------------------------------------------
>
> Key: BEAM-13400
> URL: https://issues.apache.org/jira/browse/BEAM-13400
> Project: Beam
> Issue Type: Improvement
> Components: io-java-jdbc
> Affects Versions: 2.34.0
> Reporter: Vitaly Ivanov
> Priority: P2
> Time Spent: 4h
> Remaining Estimate: 0h
>
> The following exception occurs when trying to read rows from table which
> contains fields with type JSONB and UUID. They have JDBCType OTHER.
> {noformat}
> java.lang.UnsupportedOperationException: Converting OTHER to Beam schema type
> is not supported
> at
> org.apache.beam.sdk.io.jdbc.SchemaUtil.jdbcTypeToBeamFieldConverter(SchemaUtil.java:161)
> at
> org.apache.beam.sdk.io.jdbc.SchemaUtil.toBeamSchema(SchemaUtil.java:172)
> at
> org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.inferBeamSchema(JdbcIO.java:655)
> at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.expand(JdbcIO.java:632)
> at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.expand(JdbcIO.java:551)
> at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:548)
> at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:499)
> at org.apache.beam.sdk.values.PBegin.apply(PBegin.java:56){noformat}
> I suppose the issue is quite important because the UUID type is widespread in
> PostgeSQL.
>
> Actual for Oracle BLOB as well.
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