Class: DatastaxRails::Schema::Migrator
Overview
DatastaxRails reads the attributes from the individual models. This class migrates both Cassandra and Solr to the point where they reflect what is specified in the models.
Instance Attribute Summary collapse
Instance Method Summary
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Methods included from Cassandra
#cassandra_index_cql_name, #check_missing_schema, #column_exists?, #column_family_exists?, #create_cql3_column_family, #create_keyspace, #drop_keyspace, #index_exists?, #keyspace_exists?, #solr_index_cql_name
Constructor Details
#initialize(keyspace) ⇒ Migrator
Returns a new instance of Migrator.
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# File 'lib/datastax_rails/schema/migrator.rb', line 13
def initialize(keyspace)
@keyspace = keyspace
check_schema_migrations unless keyspace == 'system'
@errors = []
end
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Instance Attribute Details
Returns the value of attribute errors.
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# File 'lib/datastax_rails/schema/migrator.rb', line 11
def errors
@errors
end
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Instance Method Details
#connection ⇒ Object
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# File 'lib/datastax_rails/schema/migrator.rb', line 75
def connection
DatastaxRails::Base.connection
end
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#migrate_all(force = false) ⇒ Object
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# File 'lib/datastax_rails/schema/migrator.rb', line 44
def migrate_all(force = false)
say_with_time('Migrating all models') do
FileList[rails_models].each do |model|
require model
end
count = 0
DatastaxRails::Base.models.each do |m|
count += migrate_one(m, force) unless m.abstract_class?
end
count
end
end
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#migrate_one(model, force = false) ⇒ Object
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# File 'lib/datastax_rails/schema/migrator.rb', line 58
def migrate_one(model, force = false)
count = 0
say_with_time("Migrating #{model.name} to latest version") do
unless column_family_exists?(model.column_family.to_s)
create_cql3_column_family(model)
count += 1
end
count += check_missing_schema(model)
unless model <= DatastaxRails::CassandraOnlyModel
count += upload_solr_configuration(model, force)
end
end
count
end
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#reindex_all ⇒ Object
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# File 'lib/datastax_rails/schema/migrator.rb', line 19
def reindex_all
say_with_time('Reindexing all models') do
FileList[rails_models].each do |model|
require model
end
count = 0
DatastaxRails::Base.models.each do |m|
count += reindex_one(m) unless m.abstract_class?
end
count
end
end
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#reindex_one(model) ⇒ Object
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# File 'lib/datastax_rails/schema/migrator.rb', line 33
def reindex_one(model)
count = 0
unless model <= DatastaxRails::CassandraOnlyModel
say_with_time("Reindexing #{model.name}") do
reindex_solr(model, false)
count += 1
end
end
count
end
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