Support ANSI mode for ToUnixTimestamp, UnixTimestamp, GetTimestamp, DateAddInterval

[res-life]

Contributes to #5119

Supports ANSI mode for:

• ToUnixTimestamp
• UnixTimestamp
• GetTimestamp
• DateAddInterval

Signed-off-by: Chong Gao res_life@163.com

[res-life]

ToUnixTimestamp, UnixTimestamp and GetTimestamp

They throw an exception if has any invalid value when parsing strings to timestamps in ANSI mode.
For LegacyTimeParserPolicy mode, do not support ANSI mode, see DateUtils.tagAndGetCudfFormat

          // LEGACY support has a number of issues that mean we cannot guarantee
          // compatibility with CPU
          // - we can only support 4 digit years but Spark supports a wider range
          // - we use a proleptic Gregorian calender but Spark uses a hybrid Julian+Gregorian
          //   calender in LEGACY mode
          if (SQLConf.get.ansiEnabled) {
            meta.willNotWorkOnGpu("LEGACY format in ANSI mode is not supported on the GPU")
          }

So only checks when it's not LegacyTimeParserPolicy

      if (getTimeParserPolicy == LegacyTimeParserPolicy) {
           ......
      } else {
        parseStringAsTimestamp(
          lhs,
          sparkFormat,
          strfFormat,
          DType.TIMESTAMP_MICROSECONDS,
          failOnError)     // check ANSI
      }

Will add more tests when fixing this PR:
#1556

DateAddInterval
Should specify spark.sql.legacy.interval.enabled to test DateAddInterval after Spark 3.2.0,
refer to https://issues.apache.org/jira/browse/SPARK-34896

[SPARK-34896][SQL] Return day-time interval from dates subtraction
1. Add the SQL config `spark.sql.legacy.interval.enabled` which will control when Spark SQL should use `CalendarIntervalType` instead of ANSI intervals.

The ANSI checking was added in the following PR
[SPARK-31527][SQL] date add/subtract interval only allow those day precision in ansi mode
Refer to
https://github.com/apache/spark/blob/v3.2.1/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala#L773TOL774

// DateTimeUtils class
def dateAddInterval(
  require(interval.microseconds == 0,
    "Cannot add hours, minutes or seconds, milliseconds, microseconds to a date")

https://github.com/apache/spark/blob/v3.2.1/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L1622TOL1623

  * When ansi mode is on, the microseconds part of interval needs to be 0, otherwise a runtime
  * [[IllegalArgumentException]] will be raised.
case class DateAddInterval
    ......
    if (ansiEnabled || itvl.microseconds == 0) {
    DateTimeUtils.dateAddInterval(start.asInstanceOf[Int], itvl)

[res-life]

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[res-life]

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