Vladimir Sitnikov created CALCITE-4309:
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Summary: Clarify org.apache.calcite.sql.type.SqlTypeName#getFamily
nullability
Key: CALCITE-4309
URL: https://issues.apache.org/jira/browse/CALCITE-4309
Project: Calcite
Issue Type: Sub-task
Components: core
Affects Versions: 1.25.0
Reporter: Vladimir Sitnikov
Currently {{SqlTypeFamily SqlTypeName#getFamily()}} is nullable, and in
practice, only the following enum members have null family:
{code:java}
SYMBOL(PrecScale.NO_NO, true, Types.OTHER, null),
DISTINCT(PrecScale.NO_NO, false, Types.DISTINCT, null),
STRUCTURED(PrecScale.NO_NO, false, Types.STRUCT, null),
ROW(PrecScale.NO_NO, false, Types.STRUCT, null),
OTHER(PrecScale.NO_NO, false, Types.OTHER, null),
{code}
Should we replace {{null}} family with a non-null value?
Should we keep it as is and use `requireNonNull` when use-site expects a
non-null value?
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