Add Column.is_number/is_float (#1969) #2046
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Split out snowflake column type added column type test integration tests
beckjake
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drewbanin
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Jan 24, 2020
| def is_numeric(self) -> bool: | ||
| return self.dtype.lower() in ['numeric', 'number'] | ||
| return self.dtype.lower() in ['numeric', 'decimal'] |
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This change is the only thing in this PR that I'm not sure about -- do you know why number was in here before? I tried looking through the blame but couldn't find the origin.... AFAICT number is not a valid type on pg/redshift/snowflake/bq.....?
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It's only valid on snowflake, and previously this method applied for Snowflake as well as postgres/redshift. That's why I removed it when I split snowflake out.
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Fixes #1969
A fun question to think about: on snowflake, is nothing an integer, or is everything? Snowflake doesn't technically have non-
NUMBERinteger types: https://docs.snowflake.net/manuals/sql-reference/data-types-numeric.html#int-integer-bigint-smallint-tinyint-byteint - On the database end,information_schema.columnsreports all these as being DECIMAL(38, 0). I've gone with: everything on snowflake isnumeric,float, ortextand none of it isinteger.