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Add option to skip tabels when using DbHelper.remap.

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This commit is contained in:
Guo Xiang Tan
2018-11-08 12:28:50 +08:00
parent 09dc922b3b
commit 9737938a4a
2 changed files with 12 additions and 1 deletions
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5
lib/db_helper.rb
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@ -8,7 +8,7 @@ class DbHelper
AND (data_type LIKE 'char%' OR data_type LIKE 'text%')
ORDER BY table_name, column_name"
def self.remap(from, to, anchor_left = false, anchor_right = false)
def self.remap(from, to, anchor_left: false, anchor_right: false, exclude_tables: [])
results = DB.query(REMAP_SQL).to_a
like = "#{anchor_left ? '' : "%"}#{from}#{anchor_right ? '' : "%"}"
@ -19,7 +19,10 @@ class DbHelper
remappable_columns[result.table_name] << result.column_name
end
exclude_tables = exclude_tables.map(&:to_s)
remappable_columns.each do |table_name, column_names|
next if exclude_tables.include?(table_name)
set_clause = column_names.map do |column_name|
"#{column_name} = REPLACE(#{column_name}, :from, :to)"
end.join(", ")