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https://issues.apache.org/jira/browse/HIVE-15857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15859152#comment-15859152
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Matt McCline commented on HIVE-15857:
-------------------------------------
Without the new CastStringToLong class, conversion falls to VectorUDFAdaptor.
{code}
vector.VectorExpressionDescriptor: getVectorExpressionClass udf UDFToInteger
descriptor: Argument Count = 1, mode = PROJECTION, Argument Types = {STRING},
Input Expression Types = {COLUMN}
vector.VectorExpressionDescriptor: getVectorExpressionClass doesn't match
CastTimestampToLong Argument Count = 1, mode = PROJECTION, Argument Types =
{TIMESTAMP}, Input Expression Types = {COLUMN}
vector.VectorExpressionDescriptor: getVectorExpressionClass doesn't match
CastDoubleToLong Argument Count = 1, mode = PROJECTION, Argument Types =
{FLOAT_FAMILY}, Input Expression Types = {COLUMN}
vector.VectorExpressionDescriptor: getVectorExpressionClass doesn't match
CastDecimalToLong Argument Count = 1, mode = PROJECTION, Argument Types =
{DECIMAL}, Input Expression Types = {COLUMN}
vector.VectorizationContext: No vector udf found for UDFToInteger, descriptor:
Argument Count = 1, mode = PROJECTION, Argument Types = {STRING}, Input
Expression Types = {COLUMN}
vector.VectorizationContext: We will try to use the VectorUDFAdaptor for
GenericUDFBridge ==> UDFToInteger (Column[tmp_values_col1]) because
hive.vectorized.adaptor.usage.mode=all
{code}
> Vectorization: Add string conversion case for UDFToInteger, etc
> ---------------------------------------------------------------
>
> Key: HIVE-15857
> URL: https://issues.apache.org/jira/browse/HIVE-15857
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-15857.01.patch
>
>
> Otherwise, VectorUDFAdaptor is used to convert a column from String to Int,
> etc.
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