feat: Support standard deviation for column agg #964
Merged
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Closes Issue #963 by adding support for standard deviation for column aggregations.
For now, we only support the default sample standard deviation here: https://ibis-project.org/reference/expressions/numeric/#ibis.expr.types.numeric.NumericColumn.std
Also removed the
test_schema_validation
system test for BQ since it tests the same functionality astest_schema_validation_core_types
.This PR also includes a fix for TD CAST - previously we casted to the invalid 'NUMERIC' type, changed it to 'DECIMAL' in this PR. (Reference)