MaxGekk commented on code in PR #37744:
URL: https://github.com/apache/spark/pull/37744#discussion_r960894747
##########
core/src/main/resources/error/error-classes.json:
##########
@@ -75,6 +75,23 @@
"The value <str> (<fmt>) cannot be converted to <targetType> because it
is malformed. Correct the value as per the syntax, or change its format. Use
<suggestion> to tolerate malformed input and return NULL instead."
]
},
+ "DATATYPE_MISMATCH" : {
+ "message" : [
+ "Cannot resolve <sqlExpr> due to data type mismatch:"
+ ],
+ "subClass" : {
+ "BINARY_OP_DIFF_TYPES" : {
+ "message" : [
+ "the left and right arguments of the binary operator have different
types (<left> and <right>)."
+ ]
+ },
+ "BINARY_OP_WRONG_TYPE" : {
+ "message" : [
+ "the binary operator requires the input type <inputType>, not
<leftDataType>."
Review Comment:
The binary op checks that operators have the same type, and then check that
the left is compatible with expected input type, see
https://github.com/apache/spark/blob/fab65f4e393359b9523e34457c877083dba0e7e5/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala#L765-L767
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