Class: Sequel::SqlAnywhere::Database

Inherits:
Database show all
Includes:
DatabaseMethods
Defined in:
lib/sequel/adapters/sqlanywhere.rb

Overview

Database class for SQLAnywhere databases used with Sequel.

Constant Summary collapse

DEFAULT_CONFIG = 
{ :user => 'dba', :password => 'sql' }
DatasetClass = 
self

Constants included from DatabaseMethods

Sequel::SqlAnywhere::DatabaseMethods::AUTO_INCREMENT, Sequel::SqlAnywhere::DatabaseMethods::DECIMAL_TYPE_RE, Sequel::SqlAnywhere::DatabaseMethods::SMALLINT_RE, Sequel::SqlAnywhere::DatabaseMethods::SQL_BEGIN, Sequel::SqlAnywhere::DatabaseMethods::SQL_COMMIT, Sequel::SqlAnywhere::DatabaseMethods::SQL_ROLLBACK, Sequel::SqlAnywhere::DatabaseMethods::TEMPORARY

Constants inherited from Database

Database::ADAPTERS, Database::AUTOINCREMENT, Database::COLUMN_DEFINITION_ORDER, Database::COLUMN_SCHEMA_DATETIME_TYPES, Database::COLUMN_SCHEMA_STRING_TYPES, Database::COMBINABLE_ALTER_TABLE_OPS, Database::COMMA_SEPARATOR, Database::CURRENT_TIMESTAMP_RE, Database::DEFAULT_DATABASE_ERROR_REGEXPS, Database::DEFAULT_JOIN_TABLE_COLUMN_OPTIONS, Database::DEFAULT_STRING_COLUMN_SIZE, Database::EXTENSIONS, Database::NOT_NULL, Database::NULL, Database::OPTS, Database::PRIMARY_KEY, Database::SCHEMA_TYPE_CLASSES, Database::SQL_BEGIN, Database::SQL_COMMIT, Database::SQL_RELEASE_SAVEPOINT, Database::SQL_ROLLBACK, Database::SQL_ROLLBACK_TO_SAVEPOINT, Database::SQL_SAVEPOINT, Database::STRING_DEFAULT_RE, Database::TEMPORARY, Database::TRANSACTION_BEGIN, Database::TRANSACTION_COMMIT, Database::TRANSACTION_ISOLATION_LEVELS, Database::TRANSACTION_ROLLBACK, Database::UNDERSCORE, Database::UNIQUE, Database::UNSIGNED

Instance Attribute Summary collapse

Attributes included from DatabaseMethods

#conversion_procs, #convert_smallint_to_bool

Attributes inherited from Database

#cache_schema, #dataset_class, #default_string_column_size, #identifier_input_method, #identifier_output_method, #log_warn_duration, #loggers, #opts, #pool, #prepared_statements, #sql_log_level, #timezone, #transaction_isolation_level

Instance Method Summary collapse

Methods included from DatabaseMethods

#database_type, #foreign_key_list, #indexes, #schema_column_type, #schema_parse_table, #tables, #to_application_timestamp_sa, #views

Methods included from Database::ResetIdentifierMangling

#extended

Methods inherited from Database

#<<, #[], adapter_class, #adapter_scheme, adapter_scheme, #add_column, #add_index, #add_servers, #after_commit, after_initialize, #after_rollback, #alter_table, #alter_table_generator, #call, #cast_type_literal, connect, #create_join_table, #create_or_replace_view, #create_table, #create_table!, #create_table?, #create_table_generator, #create_view, #database_type, #dataset, #disconnect, #drop_column, #drop_index, #drop_join_table, #drop_table, #drop_table?, #drop_view, #each_server, #execute_ddl, #extend_datasets, extension, #extension, #fetch, #from, #from_application_timestamp, #get, #global_index_namespace?, #in_transaction?, #initialize, #inspect, #literal, #log_exception, #log_info, #log_yield, #logger=, #prepared_statement, #quote_identifier, #quote_identifiers=, #quote_identifiers?, register_extension, #remove_servers, #rename_column, #rename_table, #run, run_after_initialize, #schema, #schema_type_class, #select, #serial_primary_key_options, #servers, #set_column_default, #set_column_type, #set_prepared_statement, #single_threaded?, #supports_create_table_if_not_exists?, #supports_deferrable_constraints?, #supports_deferrable_foreign_key_constraints?, #supports_drop_table_if_exists?, #supports_foreign_key_parsing?, #supports_index_parsing?, #supports_partial_indexes?, #supports_prepared_transactions?, #supports_savepoints?, #supports_savepoints_in_prepared_transactions?, #supports_schema_parsing?, #supports_table_listing?, #supports_transaction_isolation_levels?, #supports_transactional_ddl?, #supports_view_listing?, #synchronize, #table_exists?, #test_connection, #to_application_timestamp, #transaction, #typecast_value, #uri, #url, #valid_connection?

Methods included from Metaprogramming

#meta_def

Constructor Details

This class inherits a constructor from Sequel::Database

Instance Attribute Details

#api ⇒ Object

Returns the value of attribute api.



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# File 'lib/sequel/adapters/sqlanywhere.rb', line 45

def api
  @api
end

Instance Method Details

#connect(server) ⇒ Object

Raises:

  • (LoadError) 


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# File 'lib/sequel/adapters/sqlanywhere.rb', line 49

def connect(server)
  opts = server_opts(server)
  unless conn_string = opts[:conn_string]
    conn_string = []
    conn_string << "Host=#{opts[:host]}#{":#{opts[:port]}" if opts[:port]}" if opts[:host]
    conn_string << "DBN=#{opts[:database]}" if opts[:database]
    conn_string << "UID=#{opts[:user]}" if opts[:user]
    conn_string << "Password=#{opts[:password]}" if opts[:password]
    conn_string << "CommLinks=#{opts[:commlinks]}" if opts[:commlinks]
    conn_string << "ConnectionName=#{opts[:connection_name]}" if opts[:connection_name]
    conn_string << "CharSet=#{opts[:encoding]}" if opts[:encoding]
    conn_string << "Idle=0" # Prevent the server from disconnecting us if we're idle for >240mins (by default)
    conn_string << nil
    conn_string = conn_string.join(';')
  end

  conn = @api.sqlany_new_connection
  raise LoadError, "Could not connect" unless conn && @api.sqlany_connect(conn, conn_string) == 1

  if Sequel.application_timezone == :utc
    @api.sqlany_execute_immediate(conn, "SET TEMPORARY OPTION time_zone_adjustment=0")
  end

  conn
end

#disconnect_connection(c) ⇒ Object

Closes given database connection.



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# File 'lib/sequel/adapters/sqlanywhere.rb', line 76

def disconnect_connection(c)
  @api.sqlany_disconnect(c)
end

#execute(sql, opts = OPTS, &block) ⇒ Object 



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# File 'lib/sequel/adapters/sqlanywhere.rb', line 87

def execute(sql, opts=OPTS, &block)
  synchronize do |conn|
    _execute(conn, :select, sql, opts, &block)
  end
end

#execute_dui(sql, opts = OPTS) ⇒ Object

Returns number of rows affected



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# File 'lib/sequel/adapters/sqlanywhere.rb', line 81

def execute_dui(sql, opts=OPTS)
  synchronize do |conn|
    _execute(conn, :rows, sql, opts)
  end
end

#execute_insert(sql, opts = OPTS) ⇒ Object 



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# File 'lib/sequel/adapters/sqlanywhere.rb', line 93

def execute_insert(sql, opts=OPTS)
  synchronize do |conn|
    _execute(conn, :insert, sql, opts)
  end
end