Class | Sequel::Amalgalite::Dataset |
In: |
lib/sequel/adapters/amalgalite.rb
|
Parent: | Sequel::Dataset |
EXPLAIN | = | 'EXPLAIN %s'.freeze |
Return an array of strings specifying a query explanation for the current dataset.
# File lib/sequel/adapters/amalgalite.rb, line 180 180: def explain 181: res = [] 182: @db.result_set(EXPLAIN % select_sql(opts), nil) {|r| res << r} 183: res 184: end
Yield a hash for each row in the dataset.
# File lib/sequel/adapters/amalgalite.rb, line 187 187: def fetch_rows(sql) 188: execute(sql) do |stmt| 189: stmt.result_meta 190: @columns = cols = stmt.result_fields.map{|c| output_identifier(c)} 191: col_count = cols.size 192: stmt.each do |result| 193: row = {} 194: col_count.times{|i| row[cols[i]] = result[i]} 195: yield row 196: end 197: end 198: end