We want to create a new processing algorithm for manage table fields.
This new algorithm would have :
one standard input layer vector parameter
one standard output layer vector parameter
a specific fields mapping parameter composed, in columns
source field name (optionnal)
destination field name
destination type, length, precision
expression (default to the source field name)
the mapping would be initialized, when possible, with the input
layer fields.
In the dialog :
the first tab would present the normal input/output parameters and
a button to go to the next tab
the supplementary fields tab would contains the fields mapping
The final goal is to supply a user friendly interface to manage table
fields :
rename fields
change field types
add new fields based on expression
change fields order
and save the result as a new file, temporary file or memory layer
What do you think about this ? Any remarks ?
Arnaud
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