Caican Cai created CALCITE-6612:
-----------------------------------
Summary: Add DATE_SUB function (enabled in Spark library)
Key: CALCITE-6612
URL: https://issues.apache.org/jira/browse/CALCITE-6612
Project: Calcite
Issue Type: New Feature
Components: core
Reporter: Caican Cai
https://spark.apache.org/docs/3.5.2/sql-ref-functions-builtin.html#date-and-timestamp-functions
{code:java}
scala> val df = spark.sql("select date_sub('2016-07-30', 1)")
df: org.apache.spark.sql.DataFrame = [date_sub(2016-07-30, 1): date]
scala> df.show()
+-----------------------+
|date_sub(2016-07-30, 1)|
+-----------------------+
| 2016-07-29|
+-----------------------+
{code}
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