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Support very large tables #2287

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merged 61 commits into from
May 17, 2022
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lbooker42
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@lbooker42 lbooker42 commented Apr 19, 2022

Adds support for snapshotting very large tables (i.e. contains more than 2^31 rows, an array or string column with accumulated length more than 2^31 values, or a column requiring marshalling with accumulated byte length more than 2^31)

Closes #2175

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We'll still need a large-table implementation for VarListChunkInputStreamGenerator (similar to the ByteStorage approach). I'm happy if that is a separate review.

@@ -45,6 +45,8 @@

import io.deephaven.chunk.attributes.Values;

import static io.deephaven.engine.table.impl.sources.InMemoryColumnSource.TWO_DIMENSIONAL_COLUMN_SOURCE_THRESHOLD;
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For the sake of clarity, I think a new constant makes sense.

@lbooker42 lbooker42 merged commit e69dcc1 into deephaven:main May 17, 2022
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Support for subscribing / snapshotting very large tables
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