The added custom attribute of any asset will be stored here
Custom fields will be stored here,( for all every asset )
Type , hidden , searchable will be default values for the custom attributes
For every asset one entry will be inserted here
Based on this row id will be generated
This row will be having the classpk column where classpk is entry ID
Once after asset is created of any type and given with a custom attribute then the respective row will be inserted into this table.
Table id will be given here
Expando table is used to find the asset type with the help of classNameId
Here, the actual values of the custom attributes are stored here
classNameId will store the value of which type of asset we are giving custom attribute
classPk will store the entryId of asset
columnId will store custom attribute name
Data will store the actual value of the custom attribute
To get the value of custom attribute we are using this expandorow, expandocolumn, expandotable & expandovalue table
These four table are interrelated.
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