Aggregate functions

Function	Support	Notes
`ANY_VALUE`	Supported
`APPROX_COUNT_DISTINCT`	Supported
`APPROX_PERCENTILE`	Supported
`ARRAY_AGG`	Supported
`AVG`	Supported
`CORR`	Supported
`COUNT`	Supported
`COVAR_POP`	Supported
`COVAR_SAMP`	Supported
`LISTAGG`	Supported
`MAX_BY`	Supported
`MAX`	Supported
`MIN_BY`	Supported
`MIN`	Supported
`SUM`	Supported
`STDDEV`, `STDDEV_POP`, `STDDEV_SAMP`, `VARIANCE`, `VAR_POP`, `VAR_SAMP`	With limitations	Available for some argument types only.
`APPROXIMATE_COUNT_DISTINCT`, `APPROX_PERCENTILE_ACCUMULATE`, `APPROX_TOP_K`, `APPROX_TOP_K_ACCUMULATE`, `ARRAYAGG`, `ARRAY_UNION_AGG`, `ARRAY_UNIQUE_AGG`, `BITAND_AGG`, `BITMAP_ABSOLUTE_POSITION`, `BITMAP_BIT_POSITION`, `BITMAP_BUCKET_NUMBER`, `BITMAP_CONSTRUCT_AGG`, `BITOR_AGG`, `BITXOR_AGG`, `BOOLAND_AGG`, `BOOLOR_AGG`, `BOOLXOR_AGG`, `COUNT_IF`, `DATASKETCHES_HLL`, `DATASKETCHES_HLL_ACCUMULATE`, `HLL`, `HLL_ACCUMULATE`, `HLL_COMBINE`, `HLL_ESTIMATE`, `HLL_EXPORT`, `KURTOSIS`, `MINHASH`, `MODE`, `OBJECTAGG`, `OBJECT_AGG`, `REGR_AVGX`, `REGR_AVGY`, `REGR_COUNT`, `REGR_INTERCEPT`, `REGR_R2`, `REGR_SLOPE`, `REGR_SXX`, `REGR_SXY`, `REGR_SYY`, `SKEW`, `SUMMARIZE_AGG`, `SUM_REAL`, `TOP_K_SKETCH_OBJECT_CONSTRUCT`, `VARIANCE_POP`, `VARIANCE_SAMP`	Not supported