method
table_exists?
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Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
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table_exists?(name)
public
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# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 604 def table_exists?(name) name = name.to_s schema, table = name.split('.', 2) unless table # A table was provided without a schema table = schema schema = nil end if name =~ /^"/ # Handle quoted table names table = name schema = nil end query("SELECT COUNT(*)\nFROM pg_tables\nWHERE tablename = '\#{table.gsub(/(^\"|\"$)/,'')}'\n\#{schema ? \"AND schemaname = '\#{schema}'\" : ''}\n").first[0].to_i > 0 end