I want to insert a record to a table with columns “A”, “B”, and “C”. In this record, the “B” column contains a NULL value. When I used table(12 as A, NULL as B, 13 as C), I encountered an error: Not allowed to create void vector. Does anyone know how to solve this issue?
How to insert rows with NULL values to a DolphinDB table?
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You need to use the appropriate NULL value representation based on the data type of the “B“ column. For example:
If the “B“ column is of INT type, use
00i:If the “B“ column is of SYMBOL type, use
'':