abstract class Avram::Migrator::Migration::V1

Included Modules

Defined in:

avram/migrator/migration.cr

Instance Method Summary

Instance methods inherited from module Avram::Migrator::StatementHelpers

create_foreign_key(from : TableName, to : TableName, on_delete : Symbol, column : Symbol | Nil, primary_key = :id) create_foreign_key, create_function(name : String, body : String, returns : String = "trigger") create_function, create_index(table_name : TableName, columns : Columns, unique = false, using = :btree, name : String | Nil | Symbol | Nil = nil) create_index, create_trigger(table_name : TableName, name : String, function_name : String, callback : Symbol = :before, on : Array(Symbol) = [:update]) create_trigger, disable_extension(name : String) disable_extension, drop(table_name) drop, drop_foreign_key(from : TableName, references : TableName, column : Symbol | Nil) drop_foreign_key, drop_function(name : String) drop_function, drop_index(table_name : TableName, columns : Columns | Nil = nil, if_exists = false, on_delete = :do_nothing, name : String | Nil | Symbol | Nil = nil) drop_index, drop_trigger(table_name : TableName, name : String) drop_trigger, enable_extension(name : String) enable_extension, make_optional(table : TableName, column : Symbol) make_optional, make_required(table : TableName, column : Symbol) make_required, update_extension(name : String, to : String | Nil = nil) update_extension

Instance methods inherited from module Avram::Migrator::IndexStatementHelpers

add_index(column : Symbol, unique = false, using : Symbol = :btree) add_index, index_added?(index : String, column : Symbol) index_added?

Instance methods inherited from class Object

blank_for_validates_required? : Bool blank_for_validates_required?

Instance Method Detail

def down(quiet = false) #

Same as #up except calls rollback method in migration.


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abstract def migrate #

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def migrated? #

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def pending? #

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def prepared_statements : Array(String) #

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def reset_prepared_statements #

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def up(quiet = false) #

Unless already migrated, calls migrate which in turn calls statement helpers to generate and collect SQL statements in the @prepared_statements array. Each statement is then executed in a transaction and tracked upon completion.


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abstract def version : Int64 #

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