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Key | Default | Type | Description
--- | --- | --- | ---
##### read.changelog | false | Boolean | Whether to read row in the form of changelog (add rowkind column in row to represent its change type).
##### read.stream.maxBytesPerTrigger | (none) | Long | The maximum number of bytes returned in a single batch.
##### read.stream.maxFilesPerTrigger | (none) | Integer | The maximum number of files returned in a single batch.
##### read.stream.maxRowsPerTrigger | (none) | Long | The maximum number of rows returned in a single batch.
##### read.stream.maxTriggerDelayMs | (none) | Long | The maximum delay between two adjacent batches, which used to create MinRowsReadLimit with read.stream.minRowsPerTrigger together.
##### read.stream.minRowsPerTrigger | (none) | Long | The minimum number of rows returned in a single batch, which used to create MinRowsReadLimit with read.stream.maxTriggerDelayMs together.
##### write.merge-schema | false | Boolean | If true, merge the data schema and the table schema automatically before write data.
##### write.merge-schema.explicit-cast | false | Boolean | If true, allow to merge data types if the two types meet the rules for explicit casting.