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Contents
require 'flydata/parser_provider'
require 'flydata/fluent-plugins/mysql/ddl_query_handler'
module Mysql
class AlterTableQueryHandler < DdlQueryHandler
PATTERN = /^ALTER TABLE/i
def initialize(context)
super
end
def pattern
PATTERN
end
def process(record)
emit_record(:alter_table, record) do |opt|
ret = nil
begin
result = ParserProvider.parser(:mysql, :mysql_alter_table).new.parse(record["normalized_query"])
if result.nil?
$log.error("Received unsupported alter table query. normalized query:'#{record['normalized_query']}', raw query: '#{record['query']}'")
else
ret = result.tree
breaking_query = ret[:actions].any?{|action| !action.has_key?(:support_level) || action[:support_level] != :nonbreaking}
opt[:increment_table_rev] = true if breaking_query
end
rescue => e
msg = <<EOS
Received unsupported alter table query. normalized query:'#{record['normalized_query']}', raw query: '#{record['query']}' Caused by error '#{e.to_s}'
Stacktrace :
#{e.backtrace.join("\n")}
EOS
$log.error(msg)
end
$log.info(ret) # log all alter table events even if the table is not subject to sync. This is for troubleshooting purpose.
ret
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems