SQLreadinteger


Purpose
Read an integer value from a database.
Synopsis
function SQLreadinteger(s:string|text):integer
function SQLreadinteger(s:string|text,p:list):integer
Arguments
SQL command for selecting the value to be read
A list of SQL parameters
Return value
Integer value read or 0.
Example
The following gets the article number of the first data item in table pricelist for which the field color is set to blue:
i:=SQLreadinteger(
       "select articlenum from pricelist where color=blue") 
  
Further information
1. 0 is returned if no integer value can be found.
2. If the given SQL selection command does not denote a single value, the first value to which the selection criterion applies is returned.
3. The second argument can be used to specify SQL parameter values if the SQL query contains parameter markers.
Related topics
SQLexecute, SQLreadreal, SQLreadstring.
Module
mmodbc


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