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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb22
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/quoting.rb38
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb38
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql_adapter.rb85
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb231
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb13
7 files changed, 301 insertions, 132 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
index a3082b8f01..6d9b5c7b32 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -56,8 +56,17 @@ module ActiveRecord
end
# Returns the last auto-generated ID from the affected table.
- def insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
- insert_sql(sql, name, pk, id_value, sequence_name)
+ #
+ # +id_value+ will be returned unless the value is nil, in
+ # which case the database will attempt to calculate the last inserted
+ # id and return that value.
+ #
+ # If the next id was calculated in advance (as in Oracle), it should be
+ # passed in as +id_value+.
+ def insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil, binds = [])
+ sql, binds = sql_for_insert(sql, pk, id_value, sequence_name, binds)
+ value = exec_insert(sql, name, binds)
+ id_value || last_inserted_id(value)
end
# Executes the update statement and returns the number of rows affected.
@@ -364,6 +373,15 @@ module ActiveRecord
end
end
end
+
+ def sql_for_insert(sql, pk, id_value, sequence_name, binds)
+ [sql, binds]
+ end
+
+ def last_inserted_id(result)
+ row = result.rows.first
+ row && row.first
+ end
end
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index 7489e88eef..3de850ec9e 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -35,7 +35,43 @@ module ActiveRecord
when Date, Time then "'#{quoted_date(value)}'"
when Symbol then "'#{quote_string(value.to_s)}'"
else
- "'#{quote_string(value.to_yaml)}'"
+ "'#{quote_string(YAML.dump(value))}'"
+ end
+ end
+
+ # Cast a +value+ to a type that the database understands. For example,
+ # SQLite does not understand dates, so this method will convert a Date
+ # to a String.
+ def type_cast(value, column)
+ return value.id if value.respond_to?(:quoted_id)
+
+ case value
+ when String, ActiveSupport::Multibyte::Chars
+ value = value.to_s
+ return value unless column
+
+ case column.type
+ when :binary then value
+ when :integer then value.to_i
+ when :float then value.to_f
+ else
+ value
+ end
+
+ when true, false
+ if column && column.type == :integer
+ value ? 1 : 0
+ else
+ value ? 't' : 'f'
+ end
+ # BigDecimals need to be put in a non-normalized form and quoted.
+ when nil then nil
+ when BigDecimal then value.to_s('F')
+ when Numeric then value
+ when Date, Time then quoted_date(value)
+ when Symbol then value.to_s
+ else
+ YAML.dump(value)
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 0f44baa2fe..d24cce0a3c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -105,7 +105,7 @@ module ActiveRecord
# Returns a bind substitution value given a +column+ and list of current
# +binds+
- def substitute_for(column, binds)
+ def substitute_at(column, index)
Arel.sql '?'
end
@@ -203,6 +203,10 @@ module ActiveRecord
def release_savepoint
end
+ def case_sensitive_modifier(node)
+ node
+ end
+
def current_savepoint_name
"active_record_#{open_transactions}"
end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 7bad511c64..7ac72acd58 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -282,6 +282,17 @@ module ActiveRecord
end
alias :create :insert_sql
+ def exec_insert(sql, name, binds)
+ binds = binds.dup
+
+ # Pretend to support bind parameters
+ execute sql.gsub('?') { quote(*binds.shift.reverse) }, name
+ end
+
+ def last_inserted_id(result)
+ @connection.last_id
+ end
+
def update_sql(sql, name = nil)
super
@connection.affected_rows
@@ -528,6 +539,11 @@ module ActiveRecord
def case_sensitive_equality_operator
"= BINARY"
end
+ deprecate :case_sensitive_equality_operator
+
+ def case_sensitive_modifier(node)
+ Arel::Nodes::Bin.new(node)
+ end
def limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key)
where_sql
@@ -587,8 +603,26 @@ module ActiveRecord
# Returns an array of record hashes with the column names as keys and
# column values as values.
- def select(sql, name = nil)
- execute(sql, name).each(:as => :hash)
+ def select(sql, name = nil, binds = [])
+ exec_query(sql, name, binds).to_a
+ end
+
+ def exec_query(sql, name = 'SQL', binds = [])
+ @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone
+
+ log(sql, name, binds) do
+ begin
+ result = @connection.query(sql)
+ rescue ActiveRecord::StatementInvalid => exception
+ if exception.message.split(":").first =~ /Packets out of order/
+ raise ActiveRecord::StatementInvalid, "'Packets out of order' error was received from the database. Please update your mysql bindings (gem install mysql) and read http://dev.mysql.com/doc/mysql/en/password-hashing.html for more information. If you're on Windows, use the Instant Rails installer to get the updated mysql bindings."
+ else
+ raise
+ end
+ end
+
+ ActiveRecord::Result.new(result.fields, result.to_a)
+ end
end
def supports_views?
diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index e1186209d3..c2e75acb9a 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -196,6 +196,7 @@ module ActiveRecord
@connection_options, @config = connection_options, config
@quoted_column_names, @quoted_table_names = {}, {}
@statements = {}
+ @client_encoding = nil
connect
end
@@ -243,6 +244,12 @@ module ActiveRecord
end
end
+ def type_cast(value, column)
+ return super unless value == true || value == false
+
+ value ? 1 : 0
+ end
+
def quote_column_name(name) #:nodoc:
@quoted_column_names[name] ||= "`#{name}`"
end
@@ -330,6 +337,63 @@ module ActiveRecord
@statements.clear
end
+ if "<3".respond_to?(:encode)
+ # Taken from here:
+ # https://github.com/tmtm/ruby-mysql/blob/master/lib/mysql/charset.rb
+ # Author: TOMITA Masahiro <tommy@tmtm.org>
+ ENCODINGS = {
+ "armscii8" => nil,
+ "ascii" => Encoding::US_ASCII,
+ "big5" => Encoding::Big5,
+ "binary" => Encoding::ASCII_8BIT,
+ "cp1250" => Encoding::Windows_1250,
+ "cp1251" => Encoding::Windows_1251,
+ "cp1256" => Encoding::Windows_1256,
+ "cp1257" => Encoding::Windows_1257,
+ "cp850" => Encoding::CP850,
+ "cp852" => Encoding::CP852,
+ "cp866" => Encoding::IBM866,
+ "cp932" => Encoding::Windows_31J,
+ "dec8" => nil,
+ "eucjpms" => Encoding::EucJP_ms,
+ "euckr" => Encoding::EUC_KR,
+ "gb2312" => Encoding::EUC_CN,
+ "gbk" => Encoding::GBK,
+ "geostd8" => nil,
+ "greek" => Encoding::ISO_8859_7,
+ "hebrew" => Encoding::ISO_8859_8,
+ "hp8" => nil,
+ "keybcs2" => nil,
+ "koi8r" => Encoding::KOI8_R,
+ "koi8u" => Encoding::KOI8_U,
+ "latin1" => Encoding::ISO_8859_1,
+ "latin2" => Encoding::ISO_8859_2,
+ "latin5" => Encoding::ISO_8859_9,
+ "latin7" => Encoding::ISO_8859_13,
+ "macce" => Encoding::MacCentEuro,
+ "macroman" => Encoding::MacRoman,
+ "sjis" => Encoding::SHIFT_JIS,
+ "swe7" => nil,
+ "tis620" => Encoding::TIS_620,
+ "ucs2" => Encoding::UTF_16BE,
+ "ujis" => Encoding::EucJP_ms,
+ "utf8" => Encoding::UTF_8,
+ "utf8mb4" => Encoding::UTF_8,
+ }
+ else
+ ENCODINGS = Hash.new { |h,k| h[k] = k }
+ end
+
+ # Get the client encoding for this database
+ def client_encoding
+ return @client_encoding if @client_encoding
+
+ result = exec_query(
+ "SHOW VARIABLES WHERE Variable_name = 'character_set_client'",
+ 'SCHEMA')
+ @client_encoding = ENCODINGS[result.rows.last.last]
+ end
+
def exec_query(sql, name = 'SQL', binds = [])
log(sql, name, binds) do
result = nil
@@ -345,7 +409,7 @@ module ActiveRecord
end
stmt.execute(*binds.map { |col, val|
- col ? col.type_cast(val) : val
+ type_cast(val, col)
})
if metadata = stmt.result_metadata
cols = cache[:cols] ||= metadata.fetch_fields.map { |field|
@@ -363,6 +427,14 @@ module ActiveRecord
end
end
+ def exec_insert(sql, name, binds)
+ exec_query(sql, name, binds)
+ end
+
+ def last_inserted_id(result)
+ @connection.insert_id
+ end
+
def exec_without_stmt(sql, name = 'SQL') # :nodoc:
# Some queries, like SHOW CREATE TABLE don't work through the prepared
# statement API. For those queries, we need to use this method. :'(
@@ -506,7 +578,7 @@ module ActiveRecord
def tables(name = nil, database = nil) #:nodoc:
tables = []
- result = execute(["SHOW TABLES", database].compact.join(' IN '), name)
+ result = execute(["SHOW TABLES", database].compact.join(' IN '), 'SCHEMA')
result.each { |field| tables << field[0] }
result.free
tables
@@ -551,7 +623,7 @@ module ActiveRecord
def columns(table_name, name = nil)#:nodoc:
sql = "SHOW FIELDS FROM #{quote_table_name(table_name)}"
columns = []
- result = execute(sql)
+ result = execute(sql, 'SCHEMA')
result.each { |field| columns << MysqlColumn.new(field[0], field[4], field[1], field[2] == "YES") }
result.free
columns
@@ -638,7 +710,7 @@ module ActiveRecord
# Returns a table's primary key and belonging sequence.
def pk_and_sequence_for(table) #:nodoc:
keys = []
- result = execute("describe #{quote_table_name(table)}")
+ result = execute("describe #{quote_table_name(table)}", 'SCHEMA')
result.each_hash do |h|
keys << h["Field"]if h["Key"] == "PRI"
end
@@ -655,6 +727,11 @@ module ActiveRecord
def case_sensitive_equality_operator
"= BINARY"
end
+ deprecate :case_sensitive_equality_operator
+
+ def case_sensitive_modifier(node)
+ Arel::Nodes::Bin.new(node)
+ end
def limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key)
where_sql
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 5a830a50fb..e74ec84e81 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -229,7 +229,12 @@ module ActiveRecord
@statements = {}
connect
- @local_tz = execute('SHOW TIME ZONE').first["TimeZone"]
+
+ if postgresql_version < 80200
+ raise "Your version of PostgreSQL (#{postgresql_version}) is too old, please upgrade!"
+ end
+
+ @local_tz = execute('SHOW TIME ZONE', 'SCHEMA').first["TimeZone"]
end
def clear_cache!
@@ -293,13 +298,13 @@ module ActiveRecord
# Enable standard-conforming strings if available.
def set_standard_conforming_strings
old, self.client_min_messages = client_min_messages, 'panic'
- execute('SET standard_conforming_strings = on') rescue nil
+ execute('SET standard_conforming_strings = on', 'SCHEMA') rescue nil
ensure
self.client_min_messages = old
end
def supports_insert_with_returning?
- postgresql_version >= 80200
+ true
end
def supports_ddl_transactions?
@@ -310,10 +315,9 @@ module ActiveRecord
true
end
- # Returns the configured supported identifier length supported by PostgreSQL,
- # or report the default of 63 on PostgreSQL 7.x.
+ # Returns the configured supported identifier length supported by PostgreSQL
def table_alias_length
- @table_alias_length ||= (postgresql_version >= 80000 ? query('SHOW max_identifier_length')[0][0].to_i : 63)
+ @table_alias_length ||= query('SHOW max_identifier_length')[0][0].to_i
end
# QUOTING ==================================================
@@ -356,6 +360,18 @@ module ActiveRecord
end
end
+ def type_cast(value, column)
+ return super unless column
+
+ case value
+ when String
+ return super unless 'bytea' == column.sql_type
+ escape_bytea(value)
+ else
+ super
+ end
+ end
+
# Quotes strings for use in SQL input.
def quote_string(s) #:nodoc:
@connection.escape(s)
@@ -404,7 +420,7 @@ module ActiveRecord
# REFERENTIAL INTEGRITY ====================================
def supports_disable_referential_integrity?() #:nodoc:
- postgresql_version >= 80100
+ true
end
def disable_referential_integrity #:nodoc:
@@ -427,34 +443,16 @@ module ActiveRecord
end
# Executes an INSERT query and returns the new record's ID
- def insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
+ def insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
# Extract the table from the insert sql. Yuck.
- table = sql.split(" ", 4)[2].gsub('"', '')
-
- # Try an insert with 'returning id' if available (PG >= 8.2)
- if supports_insert_with_returning?
- pk, sequence_name = *pk_and_sequence_for(table) unless pk
- if pk
- id = select_value("#{sql} RETURNING #{quote_column_name(pk)}")
- clear_query_cache
- return id
- end
- end
+ _, table = extract_schema_and_table(sql.split(" ", 4)[2])
- # Otherwise, insert then grab last_insert_id.
- if insert_id = super
- insert_id
- else
- # If neither pk nor sequence name is given, look them up.
- unless pk || sequence_name
- pk, sequence_name = *pk_and_sequence_for(table)
- end
+ pk ||= primary_key(table)
- # If a pk is given, fallback to default sequence name.
- # Don't fetch last insert id for a table without a pk.
- if pk && sequence_name ||= default_sequence_name(table, pk)
- last_insert_id(sequence_name)
- end
+ if pk
+ select_value("#{sql} RETURNING #{quote_column_name(pk)}")
+ else
+ super
end
end
alias :create :insert
@@ -525,8 +523,8 @@ module ActiveRecord
end
end
- def substitute_for(column, current_values)
- Arel.sql("$#{current_values.length + 1}")
+ def substitute_at(column, index)
+ Arel.sql("$#{index + 1}")
end
def exec_query(sql, name = 'SQL', binds = [])
@@ -544,7 +542,7 @@ module ActiveRecord
# Clear the queue
@connection.get_last_result
@connection.send_query_prepared(key, binds.map { |col, val|
- col ? col.type_cast(val) : val
+ type_cast(val, col)
})
@connection.block
result = @connection.get_last_result
@@ -554,6 +552,22 @@ module ActiveRecord
end
end
+ def exec_insert(sql, name, binds)
+ exec_query(sql, name, binds)
+ end
+
+ def sql_for_insert(sql, pk, id_value, sequence_name, binds)
+ unless pk
+ _, table = extract_schema_and_table(sql.split(" ", 4)[2])
+
+ pk = primary_key(table)
+ end
+
+ sql = "#{sql} RETURNING #{quote_column_name(pk)}" if pk
+
+ [sql, binds]
+ end
+
# Executes an UPDATE query and returns the number of affected tuples.
def update_sql(sql, name = nil)
super.cmd_tuples
@@ -632,20 +646,12 @@ module ActiveRecord
# Example:
# drop_database 'matt_development'
def drop_database(name) #:nodoc:
- if postgresql_version >= 80200
- execute "DROP DATABASE IF EXISTS #{quote_table_name(name)}"
- else
- begin
- execute "DROP DATABASE #{quote_table_name(name)}"
- rescue ActiveRecord::StatementInvalid
- @logger.warn "#{name} database doesn't exist." if @logger
- end
- end
+ execute "DROP DATABASE IF EXISTS #{quote_table_name(name)}"
end
# Returns the list of all tables in the schema search path or a specified schema.
def tables(name = nil)
- query(<<-SQL, name).map { |row| row[0] }
+ query(<<-SQL, 'SCHEMA').map { |row| row[0] }
SELECT tablename
FROM pg_tables
WHERE schemaname = ANY (current_schemas(false))
@@ -653,7 +659,21 @@ module ActiveRecord
end
def table_exists?(name)
- name = name.to_s
+ schema, table = extract_schema_and_table(name.to_s)
+
+ binds = [[nil, table.gsub(/(^"|"$)/,'')]]
+ binds << [nil, schema] if schema
+
+ exec_query(<<-SQL, 'SCHEMA', binds).rows.first[0].to_i > 0
+ SELECT COUNT(*)
+ FROM pg_tables
+ WHERE tablename = $1
+ #{schema ? "AND schemaname = $2" : ''}
+ SQL
+ end
+
+ # Extracts the table and schema name from +name+
+ def extract_schema_and_table(name)
schema, table = name.split('.', 2)
unless table # A table was provided without a schema
@@ -665,13 +685,7 @@ module ActiveRecord
table = name
schema = nil
end
-
- query(<<-SQL).first[0].to_i > 0
- SELECT COUNT(*)
- FROM pg_tables
- WHERE tablename = '#{table.gsub(/(^"|"$)/,'')}'
- #{schema ? "AND schemaname = '#{schema}'" : ''}
- SQL
+ [schema, table]
end
# Returns the list of all indexes for a table.
@@ -748,37 +762,47 @@ module ActiveRecord
# Returns the current client message level.
def client_min_messages
- query('SHOW client_min_messages')[0][0]
+ query('SHOW client_min_messages', 'SCHEMA')[0][0]
end
# Set the client message level.
def client_min_messages=(level)
- execute("SET client_min_messages TO '#{level}'")
+ execute("SET client_min_messages TO '#{level}'", 'SCHEMA')
end
# Returns the sequence name for a table's primary key or some other specified key.
def default_sequence_name(table_name, pk = nil) #:nodoc:
- default_pk, default_seq = pk_and_sequence_for(table_name)
- default_seq || "#{table_name}_#{pk || default_pk || 'id'}_seq"
+ serial_sequence(table_name, pk || 'id').split('.').last
+ rescue ActiveRecord::StatementInvalid
+ "#{table_name}_#{pk || 'id'}_seq"
+ end
+
+ def serial_sequence(table, column)
+ result = exec_query(<<-eosql, 'SCHEMA', [[nil, table], [nil, column]])
+ SELECT pg_get_serial_sequence($1, $2)
+ eosql
+ result.rows.first.first
end
# Resets the sequence of a table's primary key to the maximum value.
def reset_pk_sequence!(table, pk = nil, sequence = nil) #:nodoc:
unless pk and sequence
default_pk, default_sequence = pk_and_sequence_for(table)
+
pk ||= default_pk
sequence ||= default_sequence
end
- if pk
- if sequence
- quoted_sequence = quote_column_name(sequence)
- select_value <<-end_sql, 'Reset sequence'
- SELECT setval('#{quoted_sequence}', (SELECT COALESCE(MAX(#{quote_column_name pk})+(SELECT increment_by FROM #{quoted_sequence}), (SELECT min_value FROM #{quoted_sequence})) FROM #{quote_table_name(table)}), false)
- end_sql
- else
- @logger.warn "#{table} has primary key #{pk} with no default sequence" if @logger
- end
+ if @logger && pk && !sequence
+ @logger.warn "#{table} has primary key #{pk} with no default sequence"
+ end
+
+ if pk && sequence
+ quoted_sequence = quote_column_name(sequence)
+
+ select_value <<-end_sql, 'Reset sequence'
+ SELECT setval('#{quoted_sequence}', (SELECT COALESCE(MAX(#{quote_column_name pk})+(SELECT increment_by FROM #{quoted_sequence}), (SELECT min_value FROM #{quoted_sequence})) FROM #{quote_table_name(table)}), false)
+ end_sql
end
end
@@ -786,7 +810,7 @@ module ActiveRecord
def pk_and_sequence_for(table) #:nodoc:
# First try looking for a sequence with a dependency on the
# given table's primary key.
- result = exec_query(<<-end_sql, 'PK and serial sequence').rows.first
+ result = exec_query(<<-end_sql, 'SCHEMA').rows.first
SELECT attr.attname, seq.relname
FROM pg_class seq,
pg_attribute attr,
@@ -803,28 +827,6 @@ module ActiveRecord
AND dep.refobjid = '#{quote_table_name(table)}'::regclass
end_sql
- if result.nil? or result.empty?
- # If that fails, try parsing the primary key's default value.
- # Support the 7.x and 8.0 nextval('foo'::text) as well as
- # the 8.1+ nextval('foo'::regclass).
- result = query(<<-end_sql, 'PK and custom sequence')[0]
- SELECT attr.attname,
- CASE
- WHEN split_part(def.adsrc, '''', 2) ~ '.' THEN
- substr(split_part(def.adsrc, '''', 2),
- strpos(split_part(def.adsrc, '''', 2), '.')+1)
- ELSE split_part(def.adsrc, '''', 2)
- END
- FROM pg_class t
- JOIN pg_attribute attr ON (t.oid = attrelid)
- JOIN pg_attrdef def ON (adrelid = attrelid AND adnum = attnum)
- JOIN pg_constraint cons ON (conrelid = adrelid AND adnum = conkey[1])
- WHERE t.oid = '#{quote_table_name(table)}'::regclass
- AND cons.contype = 'p'
- AND def.adsrc ~* 'nextval'
- end_sql
- end
-
# [primary_key, sequence]
[result.first, result.last]
rescue
@@ -833,8 +835,21 @@ module ActiveRecord
# Returns just a table's primary key
def primary_key(table)
- pk_and_sequence = pk_and_sequence_for(table)
- pk_and_sequence && pk_and_sequence.first
+ row = exec_query(<<-end_sql, 'SCHEMA', [[nil, table]]).rows.first
+ SELECT DISTINCT(attr.attname)
+ FROM pg_attribute attr,
+ pg_depend dep,
+ pg_namespace name,
+ pg_constraint cons
+ WHERE attr.attrelid = dep.refobjid
+ AND attr.attnum = dep.refobjsubid
+ AND attr.attrelid = cons.conrelid
+ AND attr.attnum = cons.conkey[1]
+ AND cons.contype = 'p'
+ AND dep.refobjid = $1::regclass
+ end_sql
+
+ row && row.first
end
# Renames a table.
@@ -848,38 +863,14 @@ module ActiveRecord
add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD COLUMN #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
add_column_options!(add_column_sql, options)
- begin
- execute add_column_sql
- rescue ActiveRecord::StatementInvalid => e
- raise e if postgresql_version > 80000
-
- execute("ALTER TABLE #{quote_table_name(table_name)} ADD COLUMN #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}")
- change_column_default(table_name, column_name, options[:default]) if options_include_default?(options)
- change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
- end
+ execute add_column_sql
end
# Changes the column of a table.
def change_column(table_name, column_name, type, options = {})
quoted_table_name = quote_table_name(table_name)
- begin
- execute "ALTER TABLE #{quoted_table_name} ALTER COLUMN #{quote_column_name(column_name)} TYPE #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
- rescue ActiveRecord::StatementInvalid => e
- raise e if postgresql_version > 80000
- # This is PostgreSQL 7.x, so we have to use a more arcane way of doing it.
- begin
- begin_db_transaction
- tmp_column_name = "#{column_name}_ar_tmp"
- add_column(table_name, tmp_column_name, type, options)
- execute "UPDATE #{quoted_table_name} SET #{quote_column_name(tmp_column_name)} = CAST(#{quote_column_name(column_name)} AS #{type_to_sql(type, options[:limit], options[:precision], options[:scale])})"
- remove_column(table_name, column_name)
- rename_column(table_name, tmp_column_name, column_name)
- commit_db_transaction
- rescue
- rollback_db_transaction
- end
- end
+ execute "ALTER TABLE #{quoted_table_name} ALTER COLUMN #{quote_column_name(column_name)} TYPE #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
change_column_default(table_name, column_name, options[:default]) if options_include_default?(options)
change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
@@ -1031,9 +1022,9 @@ module ActiveRecord
# If using Active Record's time zone support configure the connection to return
# TIMESTAMP WITH ZONE types in UTC.
if ActiveRecord::Base.default_timezone == :utc
- execute("SET time zone 'UTC'")
+ execute("SET time zone 'UTC'", 'SCHEMA')
elsif @local_tz
- execute("SET time zone '#{@local_tz}'")
+ execute("SET time zone '#{@local_tz}'", 'SCHEMA')
end
end
@@ -1076,7 +1067,7 @@ module ActiveRecord
# - format_type includes the column size constraint, e.g. varchar(50)
# - ::regclass is a function that gives the id for a table name
def column_definitions(table_name) #:nodoc:
- exec_query(<<-end_sql).rows
+ exec_query(<<-end_sql, 'SCHEMA').rows
SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
index 32229a8410..9e7f874f4b 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
@@ -165,7 +165,7 @@ module ActiveRecord
cols = cache[:cols] ||= stmt.columns
stmt.reset!
stmt.bind_params binds.map { |col, val|
- col ? col.type_cast(val) : val
+ type_cast(val, col)
}
end
@@ -173,6 +173,14 @@ module ActiveRecord
end
end
+ def exec_insert(sql, name, binds)
+ exec_query(sql, name, binds)
+ end
+
+ def last_inserted_id(result)
+ @connection.last_insert_row_id
+ end
+
def execute(sql, name = nil) #:nodoc:
log(sql, name) { @connection.execute(sql) }
end
@@ -188,7 +196,8 @@ module ActiveRecord
end
def insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) #:nodoc:
- super || @connection.last_insert_row_id
+ super
+ id_value || @connection.last_insert_row_id
end
alias :create :insert_sql