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https://issues.apache.org/jira/browse/BEAM-9896?focusedWorklogId=458814&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-458814
]
ASF GitHub Bot logged work on BEAM-9896:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Jul/20 17:31
Start Date: 14/Jul/20 17:31
Worklog Time Spent: 10m
Work Description: pabloem commented on a change in pull request #12151:
URL: https://github.com/apache/beam/pull/12151#discussion_r454524365
##########
File path:
sdks/java/io/snowflake/src/main/java/org/apache/beam/sdk/io/snowflake/SnowflakeIO.java
##########
@@ -684,14 +819,61 @@ private void checkArguments() {
(getDataSourceProviderFn() != null),
"withDataSourceConfiguration() or withDataSourceProviderFn() is
required");
- checkArgument(getTable() != null, "withTable() is required");
+ if (input.isBounded() == PCollection.IsBounded.UNBOUNDED) {
+ checkArgument(getSnowPipe() != null, "withSnowPipe() is required");
+ } else {
+ checkArgument(getTable() != null, "to() is required");
+ }
}
- private PCollection<String> write(PCollection<T> input, String
stagingBucketDir) {
+ private PCollection<T> writeStream(PCollection<T> input, String
stagingBucketDir) {
SnowflakeService snowflakeService =
- getSnowflakeService() != null ? getSnowflakeService() : new
SnowflakeServiceImpl();
+ getSnowflakeService() != null
+ ? getSnowflakeService()
+ : new SnowflakeStreamingServiceImpl();
+
+ /* Ensure that files will be created after specific record count or
duration specified */
+ PCollection<T> inputInGlobalWindow =
+ input.apply(
+ "rewindowIntoGlobal",
+ Window.<T>into(new GlobalWindows())
+ .triggering(
+ Repeatedly.forever(
+ AfterFirst.of(
+ AfterProcessingTime.pastFirstElementInPane()
+ .plusDelayOf(getFlushTimeLimit()),
+
AfterPane.elementCountAtLeast(getFlushRowLimit()))))
+ .discardingFiredPanes());
+
+ int shards = (getShardsNumber() > 0) ? getShardsNumber() :
DEFAULT_STREAMING_SHARDS_NUMBER;
+ PCollection files = writeFiles(inputInGlobalWindow, stagingBucketDir,
shards);
+
+ /* Ensuring that files will be ingested after flush time */
+ files =
+ (PCollection)
+ files.apply(
+ "applyUserTrigger",
+ Window.<T>into(new GlobalWindows())
+ .triggering(
+ Repeatedly.forever(
+ AfterProcessingTime.pastFirstElementInPane()
+ .plusDelayOf(getFlushTimeLimit())))
+ .discardingFiredPanes());
+ files =
+ (PCollection)
+ files.apply(
+ "Create list of logs to copy",
+ Combine.globally(new Concatenate()).withoutDefaults());
Review comment:
You can just KeyBy(same key) + GroupByKey, and read one by one - but it
may be fine to leave as is if we don't expect > 100 files or so
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Issue Time Tracking
-------------------
Worklog Id: (was: 458814)
Time Spent: 2.5h (was: 2h 20m)
> Add streaming for SnowflakeIO.Write to Java SDK
> -----------------------------------------------
>
> Key: BEAM-9896
> URL: https://issues.apache.org/jira/browse/BEAM-9896
> Project: Beam
> Issue Type: New Feature
> Components: io-ideas
> Reporter: Dariusz Aniszewski
> Assignee: Kasia Kucharczyk
> Priority: P2
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
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