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Merged
psainics merged 1 commit into from
Apr 16, 2025
Merged

[🍒][PLUGIN-1874] Add MariadbDBRecord Implementations #579

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68 changes: 33 additions & 35 deletions mariadb-plugin/docs/Mariadb-batchsink.md
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Expand Up @@ -60,41 +60,39 @@ connections.

Data Types Mapping
----------
+--------------------------------+-----------------------+------------------------------------+
| MariaDB Data Type | CDAP Schema Data Type | Comment |
+--------------------------------+-----------------------+------------------------------------+
| TINYINT | int | |
| BOOLEAN, BOOL | boolean | |
| SMALLINT | int | |
| MEDIUMINT | int | |
| INT, INTEGER | int | |
| BIGINT | long | |
| DECIMAL, DEC, NUMERIC, FIXED | decimal | |
| FLOAT | float | |
| DOUBLE, DOUBLE PRECISION, REAL | decimal | |
| BIT | boolean | |
| CHAR | string | |
| VARCHAR | string | |
| BINARY | bytes | |
| CHAR BYTE | bytes | |
| VARBINARY | bytes | |
| TINYBLOB | bytes | |
| BLOB | bytes | |
| MEDIUMBLOB | bytes | |
| LONGBLOB | bytes | |
| TINYTEXT | string | |
| TEXT | string | |
| MEDIUMTEXT | string | |
| LONGTEXT | string | |
| JSON | string | In MariaDB it is alias to LONGTEXT |
| ENUM | string | Mapping to String by default |
| SET | string | |
| DATE | date | |
| TIME | time_micros | |
| DATETIME | timestamp_micros | |
| TIMESTAMP | timestamp_micros | |
| YEAR | date | |
+--------------------------------+-----------------------+------------------------------------+
| MariaDB Data Type | CDAP Schema Data Type | Comment |
|--------------------------------|-----------------------|---------------------------------------------------------|
| TINYINT | int | |
| BOOLEAN, BOOL | boolean | |
| SMALLINT | int | |
| MEDIUMINT | int | |
| INT, INTEGER | int | |
| BIGINT | long | |
| DECIMAL, DEC, NUMERIC, FIXED | decimal | |
| FLOAT | float | |
| DOUBLE, DOUBLE PRECISION, REAL | decimal | |
| BIT | boolean | |
| CHAR | string | |
| VARCHAR | string | |
| BINARY | bytes | |
| CHAR BYTE | bytes | |
| VARBINARY | bytes | |
| TINYBLOB | bytes | |
| BLOB | bytes | |
| MEDIUMBLOB | bytes | |
| LONGBLOB | bytes | |
| TINYTEXT | string | |
| TEXT | string | |
| MEDIUMTEXT | string | |
| LONGTEXT | string | |
| JSON | string | In MariaDB it is alias to LONGTEXT |
| ENUM | string | Mapping to String by default |
| SET | string | |
| DATE | date | |
| TIME | time_micros | |
| DATETIME | timestamp_micros | |
| TIMESTAMP | timestamp_micros | |
| YEAR | int | Users can manually set output schema to map it to Date. |

Example
-------
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70 changes: 33 additions & 37 deletions mariadb-plugin/docs/Mariadb-batchsource.md
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Expand Up @@ -78,43 +78,39 @@ with the tradeoff of higher memory usage.

Data Types Mapping
----------

+--------------------------------+-----------------------+------------------------------------+
| MariaDB Data Type | CDAP Schema Data Type | Comment |
+--------------------------------+-----------------------+------------------------------------+
| TINYINT | int | |
| BOOLEAN, BOOL | boolean | |
| SMALLINT | int | |
| MEDIUMINT | int | |
| INT, INTEGER | int | |
| BIGINT | long | |
| DECIMAL, DEC, NUMERIC, FIXED | decimal | |
| FLOAT | float | |
| DOUBLE, DOUBLE PRECISION, REAL | decimal | |
| BIT | boolean | |
| CHAR | string | |
| VARCHAR | string | |
| BINARY | bytes | |
| CHAR BYTE | bytes | |
| VARBINARY | bytes | |
| TINYBLOB | bytes | |
| BLOB | bytes | |
| MEDIUMBLOB | bytes | |
| LONGBLOB | bytes | |
| TINYTEXT | string | |
| TEXT | string | |
| MEDIUMTEXT | string | |
| LONGTEXT | string | |
| JSON | string | In MariaDB it is alias to LONGTEXT |
| ENUM | string | Mapping to String by default |
| SET | string | |
| DATE | date | |
| TIME | time_micros | |
| DATETIME | timestamp_micros | |
| TIMESTAMP | timestamp_micros | |
| YEAR | date | |
+--------------------------------+-----------------------+------------------------------------+

| MariaDB Data Type | CDAP Schema Data Type | Comment |
|--------------------------------|-----------------------|---------------------------------------------------------|
| TINYINT | int | |
| BOOLEAN, BOOL | boolean | |
| SMALLINT | int | |
| MEDIUMINT | int | |
| INT, INTEGER | int | |
| BIGINT | long | |
| DECIMAL, DEC, NUMERIC, FIXED | decimal | |
| FLOAT | float | |
| DOUBLE, DOUBLE PRECISION, REAL | decimal | |
| BIT | boolean | |
| CHAR | string | |
| VARCHAR | string | |
| BINARY | bytes | |
| CHAR BYTE | bytes | |
| VARBINARY | bytes | |
| TINYBLOB | bytes | |
| BLOB | bytes | |
| MEDIUMBLOB | bytes | |
| LONGBLOB | bytes | |
| TINYTEXT | string | |
| TEXT | string | |
| MEDIUMTEXT | string | |
| LONGTEXT | string | |
| JSON | string | In MariaDB it is alias to LONGTEXT |
| ENUM | string | Mapping to String by default |
| SET | string | |
| DATE | date | |
| TIME | time_micros | |
| DATETIME | timestamp_micros | |
| TIMESTAMP | timestamp_micros | |
| YEAR | int | Users can manually set output schema to map it to Date. |

Example
------
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5 changes: 5 additions & 0 deletions mariadb-plugin/pom.xml
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Expand Up @@ -83,6 +83,11 @@
<version>RELEASE</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>io.cdap.plugin</groupId>
<artifactId>mysql-plugin</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
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40 changes: 40 additions & 0 deletions mariadb-plugin/src/main/java/io/cdap/plugin/mariadb/MariadbDBRecord.java
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@@ -0,0 +1,40 @@
/*
* Copyright © 2025 Cask Data, Inc.
*
* Licensed 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 io.cdap.plugin.mariadb;

import io.cdap.cdap.api.data.format.StructuredRecord;
import io.cdap.plugin.db.ColumnType;
import io.cdap.plugin.mysql.MysqlDBRecord;
import java.util.List;

/**
* Writable class for MariaDB Source/Sink.
*/
public class MariadbDBRecord extends MysqlDBRecord {

/**
* Used in map-reduce. Do not remove.
*/
@SuppressWarnings("unused")
public MariadbDBRecord() {
// Required by Hadoop DBRecordReader to create an instance
}

public MariadbDBRecord(StructuredRecord record, List<ColumnType> columnTypes) {
super(record, columnTypes);
}
}
36 changes: 36 additions & 0 deletions mariadb-plugin/src/main/java/io/cdap/plugin/mariadb/MariadbSchemaReader.java
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@@ -0,0 +1,36 @@
/*
* Copyright © 2025 Cask Data, Inc.
*
* Licensed 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 io.cdap.plugin.mariadb;


import io.cdap.plugin.mysql.MysqlSchemaReader;
import java.util.Map;

/**
* Schema reader for mapping Maria DB type
*/
public class MariadbSchemaReader extends MysqlSchemaReader {

public MariadbSchemaReader (String sessionID) {
super(sessionID);
}

public MariadbSchemaReader (String sessionID, Map<String, String> connectionArguments) {
super(sessionID, connectionArguments);
}

}
15 changes: 15 additions & 0 deletions mariadb-plugin/src/main/java/io/cdap/plugin/mariadb/MariadbSink.java
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Expand Up @@ -19,10 +19,14 @@
import io.cdap.cdap.api.annotation.Description;
import io.cdap.cdap.api.annotation.Name;
import io.cdap.cdap.api.annotation.Plugin;
import io.cdap.cdap.api.data.format.StructuredRecord;
import io.cdap.cdap.etl.api.batch.BatchSink;
import io.cdap.plugin.db.DBRecord;
import io.cdap.plugin.db.SchemaReader;
import io.cdap.plugin.db.config.DBSpecificSinkConfig;
import io.cdap.plugin.db.sink.AbstractDBSink;

import io.cdap.plugin.mysql.MysqlDBRecord;
import java.util.Map;
import javax.annotation.Nullable;

Expand All @@ -45,6 +49,17 @@ public MariadbSink(MariadbSinkConfig mariadbSinkConfig) {
this.mariadbSinkConfig = mariadbSinkConfig;
}

@Override
protected DBRecord getDBRecord(StructuredRecord output) {
return new MariadbDBRecord(output, columnTypes);
}

@Override
protected SchemaReader getSchemaReader() {
return new MariadbSchemaReader(null);
}


/**
* MariaDB Sink Config.
*/
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