Github user bomeng commented on the pull request:
https://github.com/apache/spark/pull/11900#issuecomment-200064157
for example, test("Test to check we can use Long.MinValue") in the
SQLQuerySuite.scala:
```
checkAnswer(
sql(s"SELECT key FROM testData WHERE key > ${Long.MinValue}"),
(1 to 100).map(Row(_)).toSeq
)
It will generate the codes as (partially) :
/* 060 */ boolean filter_isNull3 = filter_isNull4;
/* 061 */ Decimal filter_value3 = null;
/* 062 */ if (!filter_isNull4) {
/* 063 */ Decimal filter_tmpDecimal1 = filter_value4.clone();
/* 064 */
/* 065 */ if (filter_tmpDecimal1.changePrecision(19, 0)) {
/* 066 */ filter_value3 = filter_tmpDecimal1;
/* 067 */ } else {
/* 068 */ filter_isNull3 = true;
/* 069 */ }
/* 070 */
/* 071 */ }
/* 072 */ if (!(!(filter_isNull3))) continue;
/* 073 */
/* 074 */ /* (cast(cast(input[0, int] as decimal(10,0)) as
decimal(19,0)) > -9223372036854775808) */
/* 075 */ boolean filter_isNull6 = true;
/* 076 */ boolean filter_value6 = false;
/* 077 */ /* cast(cast(input[0, int] as decimal(10,0)) as
decimal(19,0)) */
/* 078 */ /* cast(input[0, int] as decimal(10,0)) */
/* 079 */ boolean filter_isNull8 = false;
/* 080 */ Decimal filter_value8 = null;
See line 072. There are also bunch of similar test cases in
SQLQuerySuite.scala will generate this.
```
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