method
new_column_from_field
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::SQLite3Adapter
Method deprecated or moved
This method is deprecated or moved on the latest stable version. The last existing version (v5.1.7) is shown here.
new_column_from_field(table_name, field)public
SCHEMA STATEMENTS ========================================
# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 270
def new_column_from_field(table_name, field) # :nondoc:
case field["dflt_value"]
when /^null$/
field["dflt_value"] = nil
when /^'(.*)'$/
field["dflt_value"] = $1.gsub("''", "'")
when /^"(.*)"$/
field["dflt_value"] = $1.gsub('""', '"')
end
collation = field["collation"]
sql_type = field["type"]
type_metadata = fetch_type_metadata(sql_type)
new_column(field["name"], field["dflt_value"], type_metadata, field["notnull"].to_i == 0, table_name, nil, collation)
end Related methods
- Instance methods
- active?
- add_belongs_to
- add_column
- add_reference
- allowed_index_name_length
- arel_visitor
- begin_db_transaction
- change_column
- change_column_default
- change_column_null
- clear_cache!
- commit_db_transaction
- disable_referential_integrity
- disconnect!
- encoding
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- exec_query
- exec_rollback_db_transaction
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- execute
- explain
- foreign_keys
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- last_inserted_id
- native_database_types
- new_column_from_field
- primary_keys
- remove_column
- remove_index
- rename_column
- rename_table
- requires_reloading?
- schema_creation
- supports_datetime_with_precision?
- supports_ddl_transactions?
- supports_explain?
- supports_foreign_keys_in_create?
- supports_index_sort_order?
- supports_multi_insert?
- supports_partial_index?
- supports_savepoints?
- supports_statement_cache?
- supports_views?
- update_table_definition
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- Class methods
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- Private methods
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alter_table -
column_definitions -
configure_connection -
copy_table -
copy_table_contents -
copy_table_indexes -
create_table_definition -
extract_foreign_key_action -
move_table -
sqlite_version -
table_structure -
table_structure_with_collation -
translate_exception