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Versions: 18
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Contents
module ActiveRecord
module ConnectionAdapters
module MySQL
module SchemaStatements # :nodoc:
def internal_string_options_for_primary_key
super.tap do |options|
if CHARSETS_OF_4BYTES_MAXLEN.include?(charset) && (mariadb? || version < "8.0.0")
options[:collation] = collation.sub(/\A[^_]+/, "utf8")
end
end
end
private
CHARSETS_OF_4BYTES_MAXLEN = ["utf8mb4", "utf16", "utf16le", "utf32"]
def data_source_sql(name = nil, type: nil)
scope = quoted_scope(name, type: type)
sql = "SELECT table_name FROM information_schema.tables"
sql << " WHERE table_schema = #{scope[:schema]}"
sql << " AND table_name = #{scope[:name]}" if scope[:name]
sql << " AND table_type = #{scope[:type]}" if scope[:type]
sql
end
def quoted_scope(name = nil, type: nil)
schema, name = extract_schema_qualified_name(name)
scope = {}
scope[:schema] = schema ? quote(schema) : "database()"
scope[:name] = quote(name) if name
scope[:type] = quote(type) if type
scope
end
def extract_schema_qualified_name(string)
schema, name = string.to_s.scan(/[^`.\s]+|`[^`]*`/)
schema, name = nil, schema unless name
[schema, name]
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems