Methods
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Attributes
[RW] | connection | |
[R] | version |
Class Public methods
new(conn)
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Instance Public methods
add(table_name)
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Add internal cache for table with table_name
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clear!()
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Clears out internal caches
clear_data_source_cache!(name)
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Clear out internal caches for the data source name
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columns(table_name)
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Get the columns for a table
columns_hash(table_name)
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Get the columns for a table as a hash, key is the column name value is the column object.
data_source_exists?(name)
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A cached lookup for table existence.
data_sources(name)
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encode_with(coder)
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# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 24 def encode_with(coder) coder["columns"] = @columns coder["columns_hash"] = @columns_hash coder["primary_keys"] = @primary_keys coder["data_sources"] = @data_sources coder["version"] = ActiveRecord::Migrator.current_version end
init_with(coder)
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# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 32 def init_with(coder) @columns = coder["columns"] @columns_hash = coder["columns_hash"] @primary_keys = coder["primary_keys"] @data_sources = coder["data_sources"] @version = coder["version"] end
initialize_dup(other)
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marshal_dump()
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# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 99 def marshal_dump # if we get current version during initialization, it happens stack over flow. @version = ActiveRecord::Migrator.current_version [@version, @columns, @columns_hash, @primary_keys, @data_sources] end
marshal_load(array)
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primary_keys(table_name)
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