about 9 years ago
RecordSet also support set operations you can add, union and intersect, ... recordset. For example you can see below code.
- record in recset1 # include
- record not in recset1 # not include
- recset1 + recset2 # extend
- recset1 | recset2 # union
- recset1 & recset2 # intersect
- recset1 - recset2 # difference
- recset.copy() # to copy recordset (not a deep copy)
record in recset1 # include record not in recset1 # not include recset1 + recset2 # extend recset1 | recset2 # union recset1 & recset2 # intersect recset1 - recset2 # difference recset.copy() # to copy recordset (not a deep copy)
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