Esempio n. 1
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 public RelDataType inferReturnType(SqlOperatorBinding opBinding) {
   RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
   RelDataType type1 = opBinding.getOperandType(0);
   RelDataType type2 = opBinding.getOperandType(1);
   return typeFactory.createDecimalQuotient(type1, type2);
 }