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Dictionary.Create

Creates a new dictionary.

Component Version macOS Windows Linux Server FileMaker iOS SDK
Dictionary 5.0 Yes Yes Yes Yes Yes
MBS( "Dictionary.Create" { ; Key; Value } )   More

Parameters

Parameter Description Example Flags
Key Optional, a key. Optional
Value Optional, a value. Optional

Result

Returns dictionary reference number or error.

Description

Creates a new dictionary.
Dictionaries are hash maps, so lookup is very fast (often faster than search in your FileMaker database). You can use them for storing parameters or lookup tables.
Optionally you can pass keys and values as parameters to this function.

If you looked for assoziative arrays, you are right here.

Examples

Build a dictionary in a calculation:

Let ( [
/*
Create new Dictionary
*/
    param = MBS( "Dictionary.Create" );

/*
    Fill in parameters
*/
    r1 = MBS( "Dictionary.SetValueForKey"; param; "text"; Pass Parameters with Dictionary::TextField );
    r2 = MBS( "Dictionary.SetValueForKey"; param; "number"; Pass Parameters with Dictionary::NumberField);
    r3 = MBS( "Dictionary.SetValueForKey"; param; "date"; Pass Parameters with Dictionary::DateField);
    r4 = MBS( "Dictionary.SetValueForKey"; param; "time"; Pass Parameters with Dictionary::TimeField);
    r5 = MBS( "Dictionary.SetValueForKey"; param; "timestamp"; Pass Parameters with Dictionary::TimeStampField);
    r6 = MBS( "Dictionary.SetValueForKey"; param; "container"; Pass Parameters with Dictionary::ContainerField)
/*
    return dictionary
*/
  ] ; param )

Build a dictionary with given Keys and Values:

MBS("Dictionary.Create"; "FirstName"; $FirstName; "LastName"; $LastName; "City"; $City; "Phone"; $Phone; "Email"; $Email)

Test script to look for duplicate UUIDs:

Set Variable [ $dic ; Value: MBS( "Dictionary.Create") ]
Loop
    Set Variable [ $uuid ; Value: Get(UUID) ]
    If [ MBS("Dictionary.HasKey"; $dic; $uuid) ]
        Show Custom Dialog [ "Duplicate!" ; $uuid ]
        Exit Loop If [ 1 ]
    End If
    Set Variable [ $r ; Value: MBS( "Dictionary.SetValueForKey"; $dic; $uuid; $uuid ) ]
End Loop
Set Field [ test::test ; MBS( "Dictionary.Keys"; $dic ) ]
Set Variable [ $r ; Value: MBS( "Dictionary.Release"; $dic ) ]

See also

Example Databases

Blog Entries

Release notes

Created 12nd December 2014, last changed 15th June 2017


Dictionary.Count   -   Dictionary.CreateNamed

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