Shehzaad Nakhoda created BEAM-11388:
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Summary: Implement missing ZETA_SQL Functions
Key: BEAM-11388
URL: https://issues.apache.org/jira/browse/BEAM-11388
Project: Beam
Issue Type: Improvement
Components: dsl-sql-zetasql
Reporter: Shehzaad Nakhoda
Assignee: Shehzaad Nakhoda
Implement the following functions for Beam SQL ZetaSQL dialect, as CombineFn.
(Example implementation for BIT_OR.) (Java SQL only.)
Their output in Beam should match BigQuery.
Write compliance tests for each function.
List:
ANY_VALUE
ARRAY_AGG
ARRAY_CONCAT_AGG
BIT_AND
BIT_XOR
COUNT
COUNTIF
LOGICAL_AND
LOGICAL_OR
STRING_AGG
CORR
COVAR_POP
COVAR_SAMP
STDDEV_POP
STDDEV_SAMP
STDDEV
VAR_POP
VAR_SAMP
VARIANCE
APPROX_COUNT_DISTINCT
APPROX_QUANTILES
APPROX_TOP_COUNT
APPROX_TOP_SUM
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