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v4.2
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v4.2

    table()

    Function table() combines multiple (≥2) columns of data into one table.

    When combining a column of timestamp into a table, the function uses the time value in 0 time zone for each timestamp in the column, instead of using the time value of user's current time zone.

    Arguments:

    • Any value <any>, auto-abstraction: UUID of NODE/EDGE
    • ...

    Returns:

    • Table <table>

    If some columns are non-homologous, Cartesian Product will be applied when the function is called in a WITH clause, or column length will be trimmed when called in a RETURN clause.

    Constant

    Example: return 1, "abc", and "2023-01-05 0:0:0" in the table form

    return table(1, "abc", "2023-01-05 0:0:0")
    

    Analysis: UQL statement above is equal to return [1, "abc", "2023-01-05 0:0:0"]

    Alias (Homologous)

    Example: find 10 cards, return their numbers and expiry dates

    find().nodes({@card}) as n
    limit 10
    return table(n._id, n.expire_date) 
    

    Function (Homologous)

    Example:calculate the neighbor's number of Card CA001, CA002, and CA003

    uncollect ["CA001","CA002","CA003"] as n1
    khop().src({_id == n1}).depth(1) as n2
    group by n1
    return table(n1, count(n2))
    

    WITH Alias (Non-homologous)

    Example:

    uncollect [1,2,3] as a1
    uncollect [4,5] as a2
    with table(a1, a2) as a3
    return a3
    

    RETURN Alias (Non-homologous)

    Example:

    uncollect [1,2,3] as a1
    uncollect [4,5] as a2
    return table(a1, a2)
    
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