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Porter
JDBCReaders use universal implementations, are different in statement properties.
ClickHouse
clickhouse
MariaDB
mariadb
MySQL
mysql
Oracle
oracle
PostgreSQL
postgresql
ClickHouse
clickhouse, ClickHouse use MergeTree() as default engine to create table. Default write mode is PREPARED_BATCH mode.
Doris
Doris do not create table.
doris, Doris JDBC support STATEMENT_VALUES mode only.
dorisOverHttp, Doris HTTP use http connector, support JSON load.
MySQL
mysql
PostgreSQL
postgresql, PostgreSQL support COPY FROM STDIN as the default write mode.
Connector is the component to connect to the data source.
hikari is a JDBC Connector, which holding connection to data source.
http connector does not hold a connection to data source, but the DataConnection. Each data source with http connector can implement in their ways.
Reporter is the component to report message between read batch data and write to sink.
Channel is used to transfer batch data among reader and writers. Reader push data to channel and, channel notify Writer to write.