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GetTableFromOccurrence ( occurrence )

Returns the Base Table Name from a given Table Occurrence

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Jake Scheele - Show more from this author Edimate http://www.edimate.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// GetBaseTableName ( occurrence ) v4.0 // Author/Date: Jake Scheele 10/7/25 // Purpose: Return the Base Table name from a passed Table Occurrence name // Parameter: Table Occurrence name // Notes: This method compares the list of field names in the occurrence with the list of fields in each table, and returns a match. IF two tables have the EXACT same field names, this function will revert to using ExecuteSQL, which takes a performance hit While ([ initialVariables = 1 ; ~occurrence = table_occurrence ; ~to_fields = FieldNames ( "" ; ~occurrence ) ; ~all_tables = TableNames ( "" ) ; ~query = "SELECT DISTINCT BaseTableName FROM FileMaker_Tables WHERE TableName=?" // ONLY USED WHEN MULTIPLE TABLES HAVE IDENTICAL FIELDS ; ~counter = 0 ; ~countValues = ValueCount ( ~all_tables ) ; ~result = "" ]; ~counter < ~countValues and not IsEmpty ( ~occurrence ); // condition to run while loop (only runs while condition is true) [ logic = 1 ; ~counter = ~counter + 1 ; ~table = GetValue ( ~all_tables ; ~counter ) ; ~table_fields = FieldNames ( "" ; ~table ) ; ~isMatch = ~table_fields = ~to_fields ; ~result = List ( ~result ; If ( ~isMatch ; ~table ) ) ]; If ( ValueCount ( ~result ) > 1 ; ExecuteSQL ( ~query ; "" ; "" ; ~occurrence ) ; ~result ) ) Click to copy

This function gets a list of FieldNames from a Table Occurrence and loops through each Table, comparing the field names to find a match. If two Tables contain identical field names, this function will revert to using ExecuteSQL, which takes a minor performance hit.

 

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