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Add the column of another table.

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Posted on 18 Oct 2019 14:32:02 by Community Power Pla...

Hi, everyone

I got this problem that I would expect to be easy to solve but has been impossible for me to do for the past two days.
I want to add the column of another table to my main table such that:

{
	MainTable: [
		{
			"Names": "John Doe",
			"loginName":"john.doe",
		},
		{
			"Names": "Jane Doe",
			"loginName":"jane.doe",
		}
	]
}

{
	Hours: [
		{
			"WorkedHours": 120.00
		},
		{
			"WorkedHours": 115.50
		}
	]
}

becomes a single collection like this:

{
	MainTable: [
		{
			"Names": "John Doe",
			"loginName":"john.doe",
			"WorkedHours": 120.00
		},
		{
			"Names": "Jane Doe",
			"loginName":"jane.doe",
			"WorkedHours": 115.50
		}
	]
}

Collect will just add the rows. AddColumns seems incapable of taking data from other tables. Update writes over the whole row. I read that Patch could do it but that I needed an anchor column so I went to the trouble of creating a Index for those two tables with this guide http://powerappsguide.com/blog/post/generating-row-numbers.

But Patch doensn't add them. I honestly don't know what to do.

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mdevaney 29,987 Moderator on 18 Oct 2019 at 14:42:57

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Re: Add the column of another table.

@Anonymous
I believe I can help you. From your post I understand you have made a collection that includes an Index number for each record that looks like this.

MainTable [{ "IndexA": 1, "Names": "John Doe", "loginName":"john.doe", }, { "IndexA": 2,
"Names": "Jane Doe", "loginName":"jane.doe", }] HoursTable [ {IndexB: 1, "WorkedHours": 120.00}, {IndexB: 2, "WorkedHours": 115.50} ]

Here's how I would add the WorkedHours to your MainTable. The ADDCOLUMNS is able to get values from other tables when a LOOKUP function is used in the 3rd argument.

AddColumns( MainTable, "WorkedHours", LookUp(HoursTable,IndexA=IndexB,WorkedHours) )

Let me know if you have any questions.

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Community Power Pla... on 18 Oct 2019 at 19:24:18

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Re: Add the column of another table.

It worked! It worked!

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