array()

Here’s how to use array() function.

r.array()

Description:

Get the field values from a record sequentially and return them as a sequence.

Syntax:

r.array(F_i,…)

Note:

The function gets the values of F_i,… fields of the record r in order and returns them as a sequence. Get all the field values when parameter F_i is omitted.

Parameters：

r	A record.
Fi	Field name.

Return value：

Sequence

Example：

	A
1	=demo.query("select * from  SCORES")	Return a table sequence:
2	=A1(1).array()	Get the first record from A1 and return its all field values as a sequence:
3	=A1(1).array(STUDENTID,SCORE)	Get the first record from A1 and return values of STUDENTID field and SCORE field as a sequence:

P.array()

Description:

Transform each record of a table sequence/record sequence and return a sequence of sequences.

Syntax:

P.array()

Note:

The function transforms each record of table sequence/record sequence P into a sequence, where each member is also a sequence made up of a record’s field values. The return value type is a sequence of sequences.

Parameter:

P	A table sequence/record sequence.

Option:

@b	Discard the first row.

Return value:

Sequence of sequences

Example:

	A
1	=demo.query("select * from  SCORES")	Return a table sequence.
2	=A1.array()	Return a sequence of sequences.
3	=A1.array@b()	Discard the first row as @b option is present: