class

Marten::DB::Migration::Operation::RenameTable

Inherits Marten::DB::Migration::Operation::Base / Marten::DB::CanFormatStringsOrSymbols / Reference / Object

Constructors

new(old_name : String | Symbol, new_name : String | Symbol)

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Instance methods

describe

Returns a human-friendly description of what the operation is doing.

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mutate_db_backward(app_label : String, schema_editor : Management::SchemaEditor::Base, from_state : Management::ProjectState, to_state : Management::ProjectState) : Nil

Applies the operation in a backward way at the database level.

For most operation, this will involve "unapplying" whatever was done as part of the #mutate_db_forward method.

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mutate_db_forward(app_label : String, schema_editor : Management::SchemaEditor::Base, from_state : Management::ProjectState, to_state : Management::ProjectState) : Nil

Applies the operation at the database level.

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mutate_state_forward(app_label : String, state : Management::ProjectState) : Nil

Applies the operation at the project state level.

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new_name

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old_name

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optimize(operation : Base) : Optimization::Result

Combines the specified operation with the current one and return an array of corresponding operations.

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references_column?(other_table_name : String, other_column_name : String) : Bool

Returns true if the operation references the specified table column.

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references_table?(other_table_name : String) : Bool

Returns true if the operation references the specified table.

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serialize

Renders a serialized version of the mutation.

This method is used when generating migrations: the serialized operation is inserted in the #plan method of the generated migration.

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