SingleStore connector for Debezium

Note: This connector is in public preview. It is intended for experimental use only and is not fully tested, documented, or supported by SingleStore.

SingleStore connector for Debezium ("the connector") captures and records row-level changes that occur in the database. You can configure the connector to read from a single table and to ignore, mask, or truncate values in specific columns.

Getting started

Prerequisites

An active SingleStore workspace/cluster with OBSERVE queries enabled.
- Run the following SQL statement to enable OBSERVE queries:
```
SET GLOBAL enable_observe_queries=1;
```
Install the following:
- ZooKeeper
- Kafka
- Kafka Connect

Installation

Download the SingleStore connector for Debezium plugin archive.
Extract the archive to a directory.
Add the directory from the previous step to Kafka Connect’s plugin path. Set the plugin.path property in the connect-distributed.properties file.
Restart the Kafka Connect process to pick up the new JARs.

Usage

After the connector is installed, you can register it using curl command.

curl -i -X POST \
 -H "Accept:application/json" \
 -H "Content-Type:application/json" \
 <Kafka Connect URL>/connectors/ \
 -d '{ 
    "name": "<Unique name for the connector>", 
    "config": 
    { 
        "connector.class": "com.singlestore.debezium.SingleStoreConnector", 
        "tasks.max": "1", 
        "database.hostname": "<SingleStoreDB Hostname>", 
        "database.port": "<SingleStoreDB Port>", 
        "database.user": "<SingleStoreDB User>", 
        "database.password": "<SingleStoreDB Password>", 
        "topic.prefix": "<Topic Preifx>", 
        "database.dbname": "<SingleStoreDB Database>",
        "database.table": "<SingleStoreDB Table>",
        "delete.handling.mode": "none"
    } 
}'

How the SingleStore Debezium connector works

To optimally configure and run the connector, it is essential to understand how the connector performs snapshots, streams change events, determines Kafka topic names, and uses metadata.

SingleStore Debezium connector uses Change Data Capture (CDC) to capture change events.

The connector does not support handling schema changes. You cannot run ALTER and DROP queries while the OBSERVE query is running, specifically during snapshotting and filtering.

Snapshots

When the connector starts for the first time, it performs an initial consistent snapshot of the database. The default procedure for performing a snapshot consists of the following steps:

Establish a connection to the database.
Identify the table to be captured.
Read the schema of the captured table.
Run the OBSERVE query and read everything until the CommitSnapshot event is received for each database partition.
Record the successful completion of the snapshot. Offset will include a list of offsets of CommitSnapshot events for each database partition.

Streaming

After the initial snapshot is complete, the connector continues streaming from the offset that it receives in Steps 4 and 5 above. If the streaming stops again for any reason, upon restart, the connector tries to continue streaming changes from where it previously left off.

The SingleStore connector forwards change events in records to the Kafka Connect framework. The Kafka Connect process asynchronously writes the change event records in the same order in which they were generated to the appropriate Kafka topic. Kafka Connect periodically records the most recent offset in another Kafka topic. The offset indicates source-specific position information that Debezium includes with each event. The connector records database-level offsets for each database partition in each change event.

When Kafka Connect gracefully shuts down, it stops the connectors, flushes all event records to Kafka, and records the last offset received from each connector. When Kafka Connect restarts, it reads the last recorded offset for each connector, and starts each connector at its last recorded offset. When the connector restarts, it sends a request to the SingleStoreDB to send the events that occurred after the offset position.

Topic names

The SingleStore Debezium connector writes change events for all INSERT, UPDATE, and DELETE operations that occur in a table to a single Apache Kafka topic that is specific to that table. The connector uses the following naming convention for the change event topics:

topicPrefix.databaseName.tableName

The following list provides definitions for the components of the default name:

Component	Description
`topicPrefix`	Specified by the `topic.prefix` connector configuration property.
`databaseName`	The name of the database that contains the table. Specified using
the `database.dbname` connector configuration property.
`tableName`	The name of the table in which the operation occurred. Specified using
the `database.table` connector configuration property.

For example, if the topic prefix is fulfillment, database name is inventory, and the table where the operation occurred is orders, the connector writes events to the fulfillment.inventory.orders Kafka topic.

Data change events

Every data change event that the SingleStore Debezium connector generates has a key and a * value*. The structures of the key and value depend on the table from which the change events originate. For information on how Debezium constructs topic names, refer to Topic names.

Debezium and Kafka Connect are designed around continuous streams of event messages. However, the structure of these events may change over time, which can be difficult for topic consumers to handle. To facilitate the processing of mutable event structures, each event in Kafka Connect is self-contained. Every message key and value has two parts: a schema and payload. The schema describes the structure of the payload, while the payload contains the actual data.

Change event keys

The change event key payload for rowstore tables that have a primary key consists of primary key fields. The change event key payload for all other tables consists of a single field named internalid. It represents a unique ID assigned to each row in the database.

{
   "schema":{ (1)
      "type":"struct",
      "optional":false,
      "fields":[
         {
            "type":"int64",
            "optional":false,
            "field":"InternalId"
         }
      ]
   },
   "payload":{ (2)
      "InternalId":1152921504606847003
   }
}

Item	Field name	Description
1	`schema`	Specifies a Kafka Connect schema that describes the structure of the key's `payload`.
2	`payload`	For rowstore tables that have a primary key, contains primary key fields. For all other tables, contains a single field `internalId` used to specify the ID of the row for which this change event was generated.

Change event values

Similar to the key, the value has a schema and a payload. However, the value in a change event is a bit more complicated than the key. The schema describes the Event Envelope structure of the payload, including its nested fields. Change events for operations that create, update, or delete data each have a value payload with an envelope structure.

An envelope structure in the payload sections of a change event value contains the following fields:

op (Required) - Contains a string value that describes the type of operation. The op field contains one of the following values: c (insert), u (update), d (delete), or r (read, which indicates a snapshot).
before (Optional) - Describes the state of the row before the event occurred. This field is always null. It is added to match the format generated by other Debezium connectors.
after (Optional) - If present, describes the state of a row after a change occurs.
source (Required) - Contains a structure that describes the source metadata for the event. The structure includes the following fields:
- version - The Debezium version.
- connector - The connector plugin name.
- name - The connector name.
- db - Database name.
- table - Table name.
- snapshot - Whether the event is part of an ongoing snapshot or not.
- txId - The database transaction ID.
- partitionId - The database partition ID.
- offsets - The list of database-level offsets for each database partition.
- ts_ms - The time (based on the system clock in the JVM that runs the Kafka Connect task) at which the connector processed the event. Other Debezium connectors include timestamp that indicates when the record in the source database changed, but it is not possible to retrieve this information using SingleStore CDC.
- sequence - An extra sequencing metadata about a change event (always null).
ts_ms (Optional) - If present, specifies the time (based on the system clock in the JVM that runs the Kafka Connect task) at which the connector processed the event.

create events

The following example demonstrates the value of a change event that the connector generates for an operation that inserts data in the t table:

{
   "schema":{...},
   "payload":{
      "before":null,
      "after":{
         "a":33
      },
      "source":{
         "version":"0.1.7",
         "connector":"singlestore",
         "name":"singlestore",
         "ts_ms":1706197043473,
         "snapshot":"true",
         "db":"db",
         "sequence":null,
         "table":"t",
         "txId":"ffffffffffffffff0000000000000003000000000000004600000000000460390000000000000000",
         "partitionId":0,
         "offsets":[
            "000000000000000300000000000000460000000000046049"
         ]
      },
      "op":"c",
      "ts_ms":1706197043473,
      "transaction":null
   }
}

update events

The following example shows an update change event that the connector captures from the same table as the preceding create event.

{
   "schema":{...},
   "payload":{
      "before":null,
      "after":{
         "a":22
      },
      "source":{
         "version":"0.1.7",
         "connector":"singlestore",
         "name":"singlestore",
         "ts_ms":1706197446500,
         "snapshot":"true",
         "db":"db",
         "sequence":null,
         "table":"t",
         "txId":"ffffffffffffffff0000000000000003000000000000004c000000000004c16e0000000000000000",
         "partitionId":0,
         "offsets":[
            "0000000000000003000000000000004c000000000004c17e"
         ]
      },
      "op":"u",
      "ts_ms":1706197446500,
      "transaction":null
   }
}

The payload structure is the same as the create (insert) event, but the following values are different:

The value of the op field is u, signifying that this row changed because of an update.
The after field shows the updated state of the row, with the a value now set to 22.
The structure of the source field includes the same fields as before, but the values are different, because the connector captured the event from a different position.
The ts_ms field shows the timestamp that indicates when Debezium processed the event.

delete events

The following example shows a delete event for the table that is shown in the preceding create and update event examples.

{
   "schema":{...},
   "payload":{
      "before":null,
      "after":null,
      "source":{
         "version":"0.1.7",
         "connector":"singlestore",
         "name":"singlestore",
         "ts_ms":1706197665407,
         "snapshot":"true",
         "db":"db",
         "sequence":null,
         "table":"t",
         "txId":"ffffffffffffffff00000000000000030000000000000053000000000005316e0000000000000000",
         "partitionId":0,
         "offsets":[
            "000000000000000300000000000000530000000000053179"
         ]
      },
      "op":"d",
      "ts_ms":1706197665408,
      "transaction":null
   }
}

The payload is different when compared to the create or update event:

The value of the op field is d, signifying that the row was deleted.
The value of the after field is null, signifying that the row no longer exists.
The structure of the source field includes the same fields as before, but the values are different, because the connector captured the event from a different position.
The ts_ms field shows the timestamp that indicates when Debezium processed the event.

Data type mappings

Each change event record is structured in the same way as the original table, where the event record includes a field for each column value. The data type of a table column determines how the connector represents the column’s values in change event fields, as shown in the tables in the following sections.

For each column in a table, Debezium maps the source data type to a literal type, and in some cases, to a semantic type in the corresponding event field.

Literal types - Describe how the value is literally represented, using one of the following Kafka Connect schema types: INT8, INT16, INT32, INT64, FLOAT32, FLOAT64, BOOLEAN, STRING, BYTES, ARRAY, MAP, and STRUCT.
Semantic types - Describe how the Kafka Connect schema captures the meaning of the field, by using the name of the Kafka Connect schema for the field.

Integer numbers

SingleStoreDB data type	Literal type
BOOL	INT16
BIT	BYTES
TINYINT	INT16
SMALLINT	INT16
MEDIUMINT	INT32
INT	INT32
BIGINT	INT64

Note: BIT type is returned in reversed order.

Real numbers

SingleStoreDB data type	Literal type
FLOAT	FLOAT32
DOUBLE	FLOAT64

Debezium connectors handle DECIMAL based on the value of decimal.handling.mode connector configuration property.

`decimal.handling.mode`	Literal type	Semantic type
precise (default)	BYTES	`org.apache.kafka.connect.data.Decimal` - The scale schema parameter contains an integer that specifies the number of places the decimal point is shifted.
double	FLOAT64	n/a
string	STRING	n/a

Time and date

Time and date types depend on the value of the time.precision.mode connector configuration property. time.precision.mode=adaptive_time_microseconds(default)

SingleStoreDB data type	Literal type	Semantic type
DATE	INT32	`io.debezium.time.Date` - Represents the number of days since the epoch.
TIME	INT64	`io.debezium.time.MicroTime` - Represents the time value in microseconds.
TIME(6)	INT64	`io.debezium.time.MicroTime` - Represents the time value in
microseconds.
DATETIME	INT64	`io.debezium.time.Timestamp` - Represents the number of milliseconds past the
epoch.
DATETIME(6)	INT64	`io.debezium.time.MicroTimestamp` - Represents the number of
microseconds past the epoch.
TIMESTAMP	INT64	`io.debezium.time.Timestamp` - Represents the number of milliseconds past the
epoch.
TIMESTAMP(6)	INT64	`io.debezium.time.MicroTimestamp` - Represents the number of
microseconds past the epoch.
YEAR	INT32	N/A

time.precision.mode=connect

SingleStoreDB data type	Literal type	Semantic type
DATE	INT32	`org.apache.kafka.connect.data.Date` - Represents the number of days since the
epoch.
TIME	INT64	`org.apache.kafka.connect.data.Time` - Represents the time value in milliseconds.
TIME(6)	INT64	`org.apache.kafka.connect.data.Time` - Represents the time value
in milliseconds.
DATETIME	INT64	`org.apache.kafka.connect.data.Timestamp` - Represents the number of
milliseconds since the epoch.
DATETIME(6)	INT64	`org.apache.kafka.connect.data.Timestamp` - Represents the
number of milliseconds since the epoch.
TIMESTAMP	INT64	`org.apache.kafka.connect.data.Timestamp` - Represents the number of
milliseconds since the epoch.
TIMESTAMP(6)	INT64	`org.apache.kafka.connect.data.Timestamp` - Represents the
number of milliseconds since the epoch.
YEAR	INT32	N/A

String types

SingleStoreDB data type	Literal type
TINYTEXT	STRING
TEXT	STRING
MEDIUMTEXT	STRING
LONGTEXT	STRING
CHAR	STRING
VARCHAR	STRING

Blob types

Debezium connectors handle binary data types based on the value of the binary.handling.mode connector configuration property.

SingleStoreDB data type	Literal type	Semantic type
TINYBLOB	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.
BLOB	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.
MEDIUMBLOB	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.
LONGBLOB	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.
BINARY	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.
VARBINARY	BYTES OR STRING	Either the raw bytes (the default), a base64-encoded String, or a
base64-url-safe-encoded String, or a hex-encoded String, based on
the binary.handling.mode connector configuration property.

Other types

SingleStoreDB data type	Literal type	Semantic type
JSON	STRING	N/A
ENUM	STRING	N/A
SET	STRING	N/A
GEOGRAPHYPOINT	STRUCT	`io.debezium.data.geometry.Geometry` - Contains a structure with two fields: `srid` (INT32): spatial reference system ID that defines the type of geometry object stored in the structure and `wkb` (BYTES): binary representation of the geometry object encoded in the Well-Known-Binary (wkb) format. Refer to the Open Geospatial Consortium for more details.
GEOGRAPHY	STRUCT	`io.debezium.data.geometry.Geometry` - Contains a structure with two fields: `srid` (INT32): spatial reference system ID that defines the type of geometry object stored in the structure and `wkb` (BYTES): binary representation of the geometry object encoded in the Well-Known-Binary (wkb) format. Refer to the Open Geospatial Consortium for more details.

Connector properties

The SingleStore Debezium connector supports the following configuration properties which can be used to achieve the right connector behavior for your application.

Kafka connect properties

Property	Default	Description
name		Unique name for the connector. Any attempts to register again with the same name will fail. This property is required by all Kafka Connect connectors.
connector.class		The name of the Java Class for the connector. For the SingleStore connector specify `com.singlestore.debezium.SingleStoreConnector`.
tasks.max	1	The maximum number of tasks that can be created for this connector. The SingleStoreDB connector only uses a single task and fails if more is specified. Hence, the default is always acceptable.

Connection properties

Property	Default	Description
database.hostname		Resolvable hostname or IP address of the database server.
database.port	3306	Port of the database server.
database.user		Name of the database user to be used when connecting to the database.
database.password		Password of the database user to be used when connecting to the database.
database.dbname		The name of the database from which the connector should capture changes.
database.table		The name of the table from which the connector should capture changes.
database.ssl.mode	disable	Whether to use an encrypted connection to SingleStore. Options include: 'disable' to use an unencrypted connection (the default), 'trust' to use a secure (encrypted) connection (no certificate and hostname validation), 'verify_ca' to use a secure (encrypted) connection but additionally verify the server TLS certificate against the configured Certificate Authority (CA) certificates, or fail if no valid matching CA certificates are found, or 'verify-full' like 'verify-ca' but additionally verify that the server certificate matches the host to which the connection is attempted.
database.ssl.keystore		The location of the key store file. This is optional and can be used for two-way authentication between the client and the SingleStore server.
database.ssl.keystore.password		The password for the key store file. This is optional and only needed if 'database.ssl.keystore' is configured.
database.ssl.truststore		The location of the trust store file for the server certificate verification.
database.ssl.truststore.password		The password for the trust store file. Used to check the integrity of the truststore and unlock the truststore.
database.ssl.server.cert		Server's certificate in DER format or the server's CA certificate. The certificate is added to the trust store, which allows the connection to trust a self-signed certificate.
connect.timeout.ms	30000	Maximum time to wait after trying to connect to the database before timing out, specified in milliseconds.
driver.parameters		Additional JDBC parameters to use in the connection string to connect to the SingleStore server in the following format: 'param1=value1; param2 = value2; ...'. Refer to SingleStore Connection String Parameters for more information.

Required connector configuration properties

The following configuration properties are required unless a default value is available.

Property	Default	Description
topic.prefix		Specifies the topic prefix that identifies and provides a namespace for the particular database server/cluster that is capturing the changes. The topic prefix should be unique across all other connectors, since it is used as a prefix for all Kafka topic names that receive events generated by this connector. Only alphanumeric characters, hyphens, dots, and underscores are accepted.
decimal.handling.mode	precise	Specifies how DECIMAL and NUMERIC columns are represented in change events. Values include: 'precise' - uses `java.math.BigDecimal` to represent values, which are encoded in the change events using a binary representation and Kafka Connect's 'org.apache.kafka.connect.data.Decimal' type; 'string' - uses string to represent values; 'double' - represents values using Java's 'double', which may not offer the precision, but it is easier to use in consumers.
binary.handling.mode	bytes	Specifies how binary (blob, binary, etc.) columns are represented in change events. Values include: 'bytes' - represents binary data as byte array (default); 'base64' - represents binary data as base64-encoded string; 'base64-url-safe' - represents binary data as base64-url-safe-encoded string; 'hex' - represents binary data as hex-encoded (base16) string.
time.precision.mode	advanced	Specifies the precision type for time, date, and timestamps. Values include: 'adaptive' - bases the precision of time, date, and timestamp values on the database column's precision; 'adaptive_time_microseconds' - similar to 'adaptive' mode, but TIME fields always use microseconds precision; 'connect' - always represents time, date, and timestamp values using Kafka Connect's built-in representations for Time, Date, and Timestamp, which uses millisecond precision regardless of the database columns' precision.
tombstones.on.delete	true	Whether delete operations should be represented by a delete event and a subsequent tombstone event ('true') or only by a delete event ('false'). Generating the tombstone event (the default behavior) allows Kafka to completely delete all events pertaining to the given key once the source record is deleted.
column.include.list		Regular expressions matching columns to include in change events.
column.exclude.list		Regular expressions matching columns to exclude from change events.
column.mask.hash.([^.]+).with.salt.(.+)		A comma-separated list of regular expressions matching fully-qualified names of columns that should be masked by hashing the input, using the specified hash algorithms and salt.
column.mask.with.(d+).chars		A comma-separated list of regular expressions matching fully-qualified names of columns that should be masked with the specified number of asterisks ('*').
column.truncate.to.(d+).chars		A comma-separated list of regular expressions matching fully-qualified names of columns that should be truncated to the configured amount of characters.
column.propagate.source.type		A comma-separated list of regular expressions matching fully-qualified names of columns that adds the column’s original type and original length as parameters to the corresponding field schemas in the emitted change records.
datatype.propagate.source.type		A comma-separated list of regular expressions matching the database-specific data type names that adds the data type's original type and original length as parameters to the corresponding field schemas in the generated change records.
populate.internal.id	false	Specifies whether to add `internalId` to the `after` field of the event message.

Advanced connector configuration properties

The following advanced configuration properties have defaults that work in most situations and therefore rarely need to be specified in the connector’s configuration.

Property	Default	Description
converters		Optional list of custom converters to use instead of default ones. The converters are defined using the `<converter.prefix>.type` option and configured using `<converter.prefix>.<option>`.
snapshot.mode	initial	Specifies the snapshot strategy to use on connector startup. Supported modes: 'initial' (default) - If the connector does not detect any offsets for the logical server name, it performs a full snapshot that captures the current state of the configured tables. After the snapshot completes, the connector begins to stream changes.; 'initial_only' - Similar to the 'initial' mode, the connector performs a full snapshot. Once the snapshot is complete, the connector stops, and does not stream any changes.; 'when_needed' - performs a snapshot only if the connector doesn't detect any offset or detected offset is not valid or stale.
event.processing.failure.handling.mode	fail	Specifies how failures that may occur during event processing should be handled, for example, failures because of a corrupted event. Supported modes: 'fail' (Default) - An exception indicating the problematic event and its position is raised and the connector is stopped; 'warn' - The problematic event and its position are logged and the event is skipped; 'ignore' - The problematic event is skipped.
max.batch.size	2048	Maximum size of each batch of source records.
max.queue.size	8192	Maximum size of the queue for change events read from the database log but not yet recorded or forwarded.
max.queue.size.in.bytes	0 (disabled)	Maximum size of the queue in bytes for change events read from the database log but not yet recorded or forwarded.
poll.interval.ms	500	Time (in milliseconds) that the connector waits for new change events to appear after receiving no events.
heartbeat.topics.prefix	__debezium-heartbeat	The prefix that is used to name heartbeat topics.
heartbeat.action.query		An optional query to execute with every heartbeat.
heartbeat.interval.ms	0 (disabled)	The time interval in milliseconds at which the connector periodically sends heartbeat messages to a heartbeat topic.
snapshot.delay.ms	0	Number of milliseconds to wait before a snapshot begins.
retriable.restart.connector.wait.ms	10000	Number of milliseconds to wait before restarting connector after a retriable exception occurs.
skipped.operations	t	The comma-separated list of operations to skip during streaming, defined as: 'c' for inserts/create; 'u' for updates; 'd' for deletes, 't' for truncates, and 'none' to indicate that nothing is skipped.
notification.enabled.channels		List of notification channels names that are enabled.
topic.naming.strategy		The name of the TopicNamingStrategy Class that should be used to determine the topic name for data change, schema change, transaction, heartbeat event, etc.
custom.metric.tags		The custom metric tags will accept key-value pairs to customize the MBean object name which should be appended at the end of the regular name. Each key represents a tag for the MBean object name, and the corresponding value represents the value of that key. For example: k1=v1,k2=v2.
errors.max.retries	-1 (no limit)	The maximum number of retries on connection errors before failing.
sourceinfo.struct.maker	SingleStoreSourceInfoStructMaker	The name of the SourceInfoStructMaker Class that returns the SourceInfo schema and struct.
notification.sink.topic.name		The name of the topic for the notifications. This property is required if the 'sink' is in the list of enabled channels.
post.processors		Optional list of post processors. The processors are defined using the `<post.processor.prefix>.type` option and configured using `<post.processor.prefix.<option>`.

Frequently asked questions

Connector Unable to Start

A connector that is stopped for a long period fails to start and reports the following exception:

Offset the connector is trying to resume from is considered stale...

This exception indicates that the offset entry the connector is trying to resume from is considered stale. Therefore, the connector cannot resume streaming. You can use either of the following options to recover from the failure:

Delete the failed connector, and create a new connector with the same configuration but with a different connector name.
Pause the connector and then remove offsets, or change the offset topic.
Run connector with snapshot.mode property set to when_needed option ( see here). Connector removes stale offsets automatically and starts with a snapshot.

To help prevent failures related to stale offsets, you can increase the value of the following engine variables in SingleStore:

snapshots_to_keep - Defines the number of snapshots to keep for backup and replication.
snapshot_trigger_size - Defines the size of transaction logs in bytes, which, when reached, triggers a snapshot that is written to disk.

Name		Name	Last commit message	Last commit date
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src		src
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
pom.xml		pom.xml

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SingleStore connector for Debezium

TOC

Getting started

Prerequisites

Installation

Usage

How the SingleStore Debezium connector works

Snapshots

Streaming

Topic names

Data change events

Change event keys

Change event values

create events

update events

delete events

Data type mappings

Integer numbers

Real numbers

Time and date

String types

Blob types

Other types

Connector properties

Kafka connect properties

Connection properties

Required connector configuration properties

Advanced connector configuration properties

Frequently asked questions

Connector Unable to Start

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SingleStore connector for Debezium

TOC

Getting started

Prerequisites

Installation

Usage

How the SingleStore Debezium connector works

Snapshots

Streaming

Topic names

Data change events

Change event keys

Change event values

create events

update events

delete events

Data type mappings

Integer numbers

Real numbers

Time and date

String types

Blob types

Other types

Connector properties

Kafka connect properties

Connection properties

Required connector configuration properties

Advanced connector configuration properties

Frequently asked questions

Connector Unable to Start

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