31 lines
627 B
Plaintext
31 lines
627 B
Plaintext
|
[[esql-mv_concat]]
|
||
|
=== `MV_CONCAT`
|
||
|
Converts a multivalued string field into a single valued field containing the
|
||
|
concatenation of all values separated by a delimiter:
|
||
|
|
||
|
[source,esql]
|
||
|
----
|
||
|
include::{esql-specs}/string.csv-spec[tag=mv_concat]
|
||
|
----
|
||
|
|
||
|
Returns:
|
||
|
|
||
|
[%header,format=dsv,separator=|]
|
||
|
|===
|
||
|
include::{esql-specs}/string.csv-spec[tag=mv_concat-result]
|
||
|
|===
|
||
|
|
||
|
If you want to concat non-string fields call <<esql-to_string>> on them first:
|
||
|
[source,esql]
|
||
|
----
|
||
|
include::{esql-specs}/ints.csv-spec[tag=mv_concat]
|
||
|
----
|
||
|
|
||
|
Returns:
|
||
|
|
||
|
[%header,format=dsv,separator=|]
|
||
|
|===
|
||
|
include::{esql-specs}/ints.csv-spec[tag=mv_concat-result]
|
||
|
|===
|
||
|
|