Sha256: dcc00cd92458a42a8d2cfbf7a28233e67376889326e3ea399bfac7e1e3cb1e4f
Contents?: true
Size: 1.2 KB
Versions: 193
Compression:
Stored size: 1.2 KB
Contents
module ActiveRecord
module ConnectionAdapters # :nodoc:
module DatabaseLimits
# Returns the maximum length of a table alias.
def table_alias_length
255
end
# Returns the maximum length of a column name.
def column_name_length
64
end
# Returns the maximum length of a table name.
def table_name_length
64
end
# Returns the maximum length of an index name.
def index_name_length
64
end
# Returns the maximum number of columns per table.
def columns_per_table
1024
end
# Returns the maximum number of indexes per table.
def indexes_per_table
16
end
# Returns the maximum number of columns in a multicolumn index.
def columns_per_multicolumn_index
16
end
# Returns the maximum number of elements in an IN (x,y,z) clause.
# nil means no limit.
def in_clause_length
nil
end
# Returns the maximum length of an SQL query.
def sql_query_length
1048575
end
# Returns maximum number of joins in a single query.
def joins_per_query
256
end
end
end
end
Version data entries
193 entries across 162 versions & 15 rubygems