zstd_compress
function
Applies to: Databricks SQL Databricks Runtime 15.2 and later
Returns value compressed with Zstandard compression.
Syntax
zstd_compress ( value [, level [, streaming_mode ] ] )
Arguments
value
: The binary value to compress.level
: Optional integer argument between 1 and 22 that represents the compression level. The default is 3.streaming_mode
: Optional boolean argument that indicates whether to use streaming mode.
Returns
Compressed value of type BINARY
.
Examples
> SELECT base64(zstd_compress(repeat("Apache Spark ", 10)));
KLUv/SCCpQAAaEFwYWNoZSBTcGFyayABABLS+QU=
> SELECT string(zstd_decompress(zstd_compress("Apache Spark")));
Apache Spark
-- Using streaming mode
> SELECT base64(zstd_compress(repeat("Apache Spark ", 10), 3, true));
KLUv/QBYpAAAaEFwYWNoZSBTcGFyayABABLS+QUBAAA=