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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
2.7 KiB
2.7 KiB
Creating a Temporary Stream
Function
The temporary stream is used to simplify SQL logic. If complex SQL logic is followed, write SQL statements concatenated with temporary streams. The temporary stream is just a logical concept and does not generate any data.
Syntax
The syntax for creating a temporary stream is as follows:
1 | CREATE TEMP STREAM stream_id (attr_name attr_type (',' attr_name attr_type)* ) |
Example
The following is an example of creating a temporary stream:
1 | create temp stream a2(attr1 int, attr2 string); |
Parent topic: Flink SQL Syntax