Class: Sequel::Oracle::Database
Constant Summary
Constants inherited
from Database
Database::ADAPTERS, Database::SQL_BEGIN, Database::SQL_COMMIT, Database::SQL_ROLLBACK
Constants included
from Schema::SQL
Schema::SQL::AUTOINCREMENT, Schema::SQL::CASCADE, Schema::SQL::COMMA_SEPARATOR, Schema::SQL::NOT_NULL, Schema::SQL::NO_ACTION, Schema::SQL::NULL, Schema::SQL::PRIMARY_KEY, Schema::SQL::RESTRICT, Schema::SQL::SET_DEFAULT, Schema::SQL::SET_NULL, Schema::SQL::TYPES, Schema::SQL::UNDERSCORE, Schema::SQL::UNIQUE, Schema::SQL::UNSIGNED
Instance Attribute Summary
Attributes inherited from Database
#loggers, #opts, #pool, #prepared_statements, #quote_identifiers
Instance Method Summary
collapse
Methods inherited from Database
#<<, #[], adapter_class, adapter_scheme, #add_column, #add_index, #alter_table, #call, connect, #create_or_replace_view, #create_table, #create_table!, #create_view, #drop_column, #drop_index, #drop_table, #drop_view, #execute_ddl, #execute_dui, #fetch, #from, #get, #initialize, #inspect, #log_info, #logger, #logger=, #multi_threaded?, #query, quote_identifiers=, #quote_identifiers?, #rename_column, #rename_table, #select, #serial_primary_key_options, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #synchronize, #test_connection, #typecast_value, #uri
#alter_table_sql, #alter_table_sql_list, #auto_increment_sql, #column_definition_sql, #column_list_sql, #column_references_sql, #constraint_definition_sql, #create_table_sql_list, #default_index_name, #drop_index_sql, #drop_table_sql, #filter_expr, #index_definition_sql, #index_list_sql_list, #literal, #on_delete_clause, #quote_identifier, #rename_table_sql, #schema, #schema_utility_dataset
Instance Method Details
#connect(server) ⇒ Object
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# File 'lib/sequel_core/adapters/oracle.rb', line 8
def connect(server)
opts = server_opts(server)
if opts[:database]
dbname = opts[:host] ? \
"//#{opts[:host]}#{":#{opts[:port]}" if opts[:port]}/#{opts[:database]}" : opts[:database]
else
dbname = opts[:host]
end
conn = OCI8.new(opts[:user], opts[:password], dbname, opts[:privilege])
conn.autocommit = true
conn.non_blocking = true
conn
end
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#dataset(opts = nil) ⇒ Object
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# File 'lib/sequel_core/adapters/oracle.rb', line 26
def dataset(opts = nil)
Oracle::Dataset.new(self, opts)
end
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#disconnect ⇒ Object
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# File 'lib/sequel_core/adapters/oracle.rb', line 22
def disconnect
@pool.disconnect {|c| c.logoff}
end
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#execute(sql, opts = {}) ⇒ Object
Also known as:
do
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# File 'lib/sequel_core/adapters/oracle.rb', line 30
def execute(sql, opts={})
log_info(sql)
synchronize(opts[:server]) do |conn|
r = conn.exec(sql)
yield(r) if block_given?
r
end
end
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#table_exists?(name) ⇒ Boolean
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# File 'lib/sequel_core/adapters/oracle.rb', line 46
def table_exists?(name)
from(:tab).filter(:tname => name.to_s.upcase, :tabtype => 'TABLE').count > 0
end
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# File 'lib/sequel_core/adapters/oracle.rb', line 40
def tables
from(:tab).select(:tname).filter(:tabtype => 'TABLE').map do |r|
r[:tname].downcase.to_sym
end
end
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#transaction(server = nil) ⇒ Object
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# File 'lib/sequel_core/adapters/oracle.rb', line 50
def transaction(server=nil)
synchronize(server) do |conn|
return yield(conn) if @transactions.include?(Thread.current)
conn.autocommit = false
begin
@transactions << Thread.current
yield(conn)
rescue => e
conn.rollback
raise e unless Error::Rollback === e
ensure
conn.commit unless e
conn.autocommit = true
@transactions.delete(Thread.current)
end
end
end
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