BigQuery "copy table" not working for small tables -


i trying copy bigquery table using api 1 table other in same dataset. while copying big tables seems work fine, copying small tables limited number of rows (1-10) noticed destination table comes out empty (created 0 rows). same results using api , bigquery management console.

the issue replicated table in dataset have. looks bug or designed behavior.

could not find "minimum lines" directive in docs.. missing something?

edit: screenshots

original table: video_content_events 2 rows

copy table: copy111 0 rows

how populating small tables? perchance using streaming insert (bq insert command line tool, tabledata.insertall method)? if so, per documentation, data can take 90 minutes copyable/exportable:

https://cloud.google.com/bigquery/streaming-data-into-bigquery#dataavailability

i won't super detailed, reason our copy , export operations optimized work on materialized files. data within our streaming buffers stored in different system, , aren't picked until buffers flushed traditional storage mechanism. said, working on removing copy/export delay.

if aren't using streaming insert populate table, contact support/file bug here.


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