How to Increase Buffer in RFC_READ

Objective	Increase Buffer in RFC_READ_TABLE Function
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Contributor	Albertus Reinandang ( reinandang@yahoo.com )

Step 1. Create a New Structure

1.	Open T-Code SE11

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2.	Click Copy Button to start to copied Structure from “TAB512” to “YTAB”

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3.	Save to Local File if you wantn’t transport to Production Server

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4.	Click Change

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5.	Click “Maint. in orig. language”

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6.	Delete the Component type of WA field

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7.	Click “Built-in-type” and Fill Data Type with : “CHAR” and Length “5000” .

You can increase or deacrease the length as you wanted.

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8.	Finally, click “Activate” button to activate the Structure

9.	Follow Step 2.

Step 2. Create a YRFC_READ_TABLE from RFC_READ_TABLE Function

1.	Open T-Code SE37

2.	Click Menu Goto > Function groups > Create group

If you don’t have any Function Group, you must create at least 1 group.

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3.	Click Save button to create a Function Group

Example : YABAP08

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4.	Write “RFC_READ_TABLE”

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5.	Click Copy Button to start to copied function from “RFC_READ_TABLE” into to “YRFC_READ_TABLE” with “YABAP08” as Function Group

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6.	Open “YRFC_READ_TABLE” Function, and activate the Table tab.

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7.	Change TAB512 into YTAB

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10.	Finally, click “Activate” button to activate the Function

If you are using SAP RFC Pro, you must change the RFC in Form RFC, like this screen capture bellow :

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If you are using MIL_READ_TABLE, you must implement all 2 step and change default function name.