hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add workaround for null value handling in Avro C API

Browse Source 
The Avro C API fails to write bytes of size zero. A workaround is to write
a single zero byte for each NULL field of type bytes.

Also added an option to configure the Avro block size in case very large
records are written.
This commit is contained in:
Markus Mäkelä
2017-03-04 10:08:52 +02:00
parent 09df0acb00
commit f2fc9b9d9f
5 changed files with 38 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
server/modules/routing/avro/avro_file.c
View File

@ -105,7 +105,7 @@ void avro_close_binlog(int fd)
* @param filepath Path to the created file
* @param json_schema The schema of the table in JSON format
*/
AVRO_TABLE* avro_table_alloc(const char* filepath, const char* json_schema)
AVRO_TABLE* avro_table_alloc(const char* filepath, const char* json_schema, size_t block_size)
{
AVRO_TABLE *table = calloc(1, sizeof(AVRO_TABLE));
if (table)
@ -126,7 +126,7 @@ AVRO_TABLE* avro_table_alloc(const char* filepath, const char* json_schema)
}
else
{
rc = avro_file_writer_create(filepath, table->avro_schema, &table->avro_file);
rc = avro_file_writer_create_with_codec(filepath, table->avro_schema, &table->avro_file, "null", block_size);
}
if (rc)