Maxim Gekk created SPARK-29006:
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Summary: Support special date/timestamp values
`infinity`/`-infinity`
Key: SPARK-29006
URL: https://issues.apache.org/jira/browse/SPARK-29006
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
||Input String||Valid Types||Description||
|{{epoch}}|{{date}}, {{timestamp}}|1970-01-01 00:00:00+00 (Unix system time
zero)|
|{{infinity}}|{{date}}, {{timestamp}}|later than all other time stamps|
|{{-infinity}}|{{date}}, {{timestamp}}|earlier than all other time stamps|
|{{now}}|{{date}}, {{time}}, {{timestamp}}|current transaction's start time|
|{{today}}|{{date}}, {{timestamp}}|midnight today|
|{{tomorrow}}|{{date}}, {{timestamp}}|midnight tomorrow|
|{{yesterday}}|{{date}}, {{timestamp}}|midnight yesterday|
|{{allballs}}|{{time}}|00:00:00.00 UTC|
https://www.postgresql.org/docs/12/datatype-datetime.html
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