Module | Sequel::MySQL::DatabaseMethods |
In: |
lib/sequel/adapters/shared/mysql.rb
|
AUTO_INCREMENT | = | 'AUTO_INCREMENT'.freeze |
CAST_TYPES | = | {String=>:CHAR, Integer=>:SIGNED, Time=>:DATETIME, DateTime=>:DATETIME, Numeric=>:DECIMAL, BigDecimal=>:DECIMAL, File=>:BINARY} |
PRIMARY | = | 'PRIMARY'.freeze |
Commit an existing prepared transaction with the given transaction identifier string.
# File lib/sequel/adapters/shared/mysql.rb, line 43 43: def commit_prepared_transaction(transaction_id) 44: run("XA COMMIT #{literal(transaction_id)}") 45: end
Use SHOW INDEX FROM to get the index information for the table.
# File lib/sequel/adapters/shared/mysql.rb, line 53 53: def indexes(table, opts={}) 54: indexes = {} 55: remove_indexes = [] 56: m = output_identifier_meth 57: im = input_identifier_meth 58: metadata_dataset.with_sql("SHOW INDEX FROM ?", SQL::Identifier.new(im.call(table))).each do |r| 59: name = r[:Key_name] 60: next if name == PRIMARY 61: name = m.call(name) 62: remove_indexes << name if r[:Sub_part] 63: i = indexes[name] ||= {:columns=>[], :unique=>r[:Non_unique] != 1} 64: i[:columns] << m.call(r[:Column_name]) 65: end 66: indexes.reject{|k,v| remove_indexes.include?(k)} 67: end
Get version of MySQL server, used for determined capabilities.
# File lib/sequel/adapters/shared/mysql.rb, line 76 76: def server_version 77: m = /(\d+)\.(\d+)\.(\d+)/.match(get(SQL::Function.new(:version))) 78: @server_version ||= (m[1].to_i * 10000) + (m[2].to_i * 100) + m[3].to_i 79: end
Return an array of symbols specifying table names in the current database.
Options:
# File lib/sequel/adapters/shared/mysql.rb, line 85 85: def tables(opts={}) 86: m = output_identifier_meth 87: metadata_dataset.with_sql('SHOW TABLES').server(opts[:server]).map{|r| m.call(r.values.first)} 88: end