Module: JdbcSpec::MySQL
- Defined in:
- lib/jdbc_adapter/jdbc_mysql.rb
Defined Under Namespace
Modules: Column
Constant Summary collapse
- URL_OPTIONS =
"zeroDateTimeBehavior=convertToNull&jdbcCompliantTruncation=false&useUnicode=true&characterEncoding=utf8"
Class Method Summary collapse
Instance Method Summary collapse
-
#add_limit_offset!(sql, options) ⇒ Object
:nodoc:.
-
#begin_db_transaction ⇒ Object
:nodoc:.
-
#change_column(table_name, column_name, type, options = {}) ⇒ Object
:nodoc:.
-
#change_column_default(table_name, column_name, default) ⇒ Object
:nodoc:.
- #charset ⇒ Object
- #collation ⇒ Object
-
#commit_db_transaction ⇒ Object
:nodoc:.
-
#create_database(name, options = {}) ⇒ Object
:nodoc:.
-
#create_table(name, options = {}) ⇒ Object
:nodoc:.
- #current_database ⇒ Object
-
#disable_referential_integrity(&block) ⇒ Object
:nodoc:.
-
#drop_database(name) ⇒ Object
:nodoc:.
- #modify_types(tp) ⇒ Object
-
#quote(value, column = nil) ⇒ Object
QUOTING ==================================================.
-
#quote_column_name(name) ⇒ Object
:nodoc:.
-
#quote_table_name(name) ⇒ Object
:nodoc:.
- #quoted_false ⇒ Object
- #quoted_true ⇒ Object
-
#recreate_database(name) ⇒ Object
:nodoc:.
-
#rename_column(table_name, column_name, new_column_name) ⇒ Object
:nodoc:.
- #rename_table(name, new_name) ⇒ Object
-
#rollback_db_transaction ⇒ Object
:nodoc:.
- #show_variable(var) ⇒ Object
-
#structure_dump ⇒ Object
SCHEMA STATEMENTS ========================================.
Class Method Details
.adapter_selector ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 26 def self.adapter_selector [/mysql/i, lambda {|cfg,adapt| adapt.extend(::JdbcSpec::MySQL)}] end |
.column_selector ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 22 def self.column_selector [/mysql/i, lambda {|cfg,col| col.extend(::JdbcSpec::MySQL::Column)}] end |
.extended(adapter) ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 30 def self.extended(adapter) adapter.execute("SET SQL_AUTO_IS_NULL=0") end |
Instance Method Details
#add_limit_offset!(sql, options) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 206 def add_limit_offset!(sql, ) #:nodoc: if limit = [:limit] unless offset = [:offset] sql << " LIMIT #{limit}" else sql << " LIMIT #{offset}, #{limit}" end end end |
#begin_db_transaction ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 101 def begin_db_transaction #:nodoc: @connection.begin rescue Exception # Transactions aren't supported end |
#change_column(table_name, column_name, type, options = {}) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 186 def change_column(table_name, column_name, type, = {}) #:nodoc: unless () if column = columns(table_name).find { |c| c.name == column_name.to_s } [:default] = column.default else raise "No such column: #{table_name}.#{column_name}" end end change_column_sql = "ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_column_name(column_name)} #{quote_column_name(column_name)} #{type_to_sql(type, [:limit], [:precision], [:scale])}" (change_column_sql, ) execute(change_column_sql) end |
#change_column_default(table_name, column_name, default) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 180 def change_column_default(table_name, column_name, default) #:nodoc: current_type = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'")["Type"] execute("ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_column_name(column_name)} #{quote_column_name(column_name)} #{current_type} DEFAULT #{quote(default)}") end |
#charset ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 222 def charset show_variable("character_set_database") end |
#collation ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 226 def collation show_variable("collation_database") end |
#commit_db_transaction ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 107 def commit_db_transaction #:nodoc: @connection.commit rescue Exception # Transactions aren't supported end |
#create_database(name, options = {}) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 156 def create_database(name, = {}) #:nodoc: if [:collation] execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{[:charset] || 'utf8'}` COLLATE `#{[:collation]}`" else execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{[:charset] || 'utf8'}`" end end |
#create_table(name, options = {}) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 172 def create_table(name, = {}) #:nodoc: super(name, {:options => "ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin"}.merge()) end |
#current_database ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 168 def current_database select_one("SELECT DATABASE() as db")["db"] end |
#disable_referential_integrity(&block) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 119 def disable_referential_integrity(&block) #:nodoc: old = select_value("SELECT @@FOREIGN_KEY_CHECKS") begin update("SET FOREIGN_KEY_CHECKS = 0") yield ensure update("SET FOREIGN_KEY_CHECKS = #{old}") end end |
#drop_database(name) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 164 def drop_database(name) #:nodoc: execute "DROP DATABASE IF EXISTS `#{name}`" end |
#modify_types(tp) ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 60 def modify_types(tp) tp[:primary_key] = "int(11) DEFAULT NULL auto_increment PRIMARY KEY" tp[:decimal] = { :name => "decimal" } tp[:timestamp] = { :name => "datetime" } tp[:datetime][:limit] = nil tp end |
#quote(value, column = nil) ⇒ Object
QUOTING ==================================================
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 70 def quote(value, column = nil) return value.quoted_id if value.respond_to?(:quoted_id) if column && column.type == :primary_key value.to_s elsif column && String === value && column.type == :binary && column.class.respond_to?(:string_to_binary) s = column.class.string_to_binary(value).unpack("H*")[0] "x'#{s}'" elsif BigDecimal === value "'#{value.to_s("F")}'" else super end end |
#quote_column_name(name) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 85 def quote_column_name(name) #:nodoc: "`#{name}`" end |
#quote_table_name(name) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 89 def quote_table_name(name) #:nodoc: quote_column_name(name).gsub('.', '`.`') end |
#quoted_false ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 97 def quoted_false "0" end |
#quoted_true ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 93 def quoted_true "1" end |
#recreate_database(name) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 151 def recreate_database(name) #:nodoc: drop_database(name) create_database(name) end |
#rename_column(table_name, column_name, new_column_name) ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 200 def rename_column(table_name, column_name, new_column_name) #:nodoc: cols = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'") current_type = cols["Type"] || cols["COLUMN_TYPE"] execute "ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_table_name(column_name)} #{quote_column_name(new_column_name)} #{current_type}" end |
#rename_table(name, new_name) ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 176 def rename_table(name, new_name) execute "RENAME TABLE #{quote_table_name(name)} TO #{quote_table_name(new_name)}" end |
#rollback_db_transaction ⇒ Object
:nodoc:
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 113 def rollback_db_transaction #:nodoc: @connection.rollback rescue Exception # Transactions aren't supported end |
#show_variable(var) ⇒ Object
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 216 def show_variable(var) res = execute("show variables like '#{var}'") row = res.detect {|row| row["Variable_name"] == var } row && row["Value"] end |
#structure_dump ⇒ Object
SCHEMA STATEMENTS ========================================
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# File 'lib/jdbc_adapter/jdbc_mysql.rb', line 131 def structure_dump #:nodoc: if supports_views? sql = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'" else sql = "SHOW TABLES" end select_all(sql).inject("") do |structure, table| table.delete('Table_type') hash = select_one("SHOW CREATE TABLE #{quote_table_name(table.to_a.first.last)}") if(table = hash["Create Table"]) structure += table + ";\n\n" elsif(view = hash["Create View"]) structure += view + ";\n\n" end end end |