在比较操作的时候，API会比较名称（区分大小写）以及输入参数数据类型，并忽略返回值类型。
When comparing operations, it performs a case-sensitive name match along with a comparison of input argument data types, and ignores return types.
INPUT：这个4gl函数的输入参数的数据类型；必须从左到右与函数定义中的输入参数一一对应，还必须与输入参数数量匹配。
Input: Data types of the input arguments to this 4gl function; must have one-to-one correspondence from left to right, and must match the count of arguments, as in the function definition.
INPUT：这个4gl函数的输入参数的数据类型；必须从左到右与函数定义中的输入参数一一对应，还必须与输入参数数量匹配。
Input: Data types of the input arguments to this 4gl function; must have one-to-one correspondence from left to right, and must match the count of arguments, as in the function definition.
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