v0.7.0

• Support arrays
  • Construct an array with ARRAY[1, 2, 3]
  • Extract an element with @array[1]
• Support global expressions: evaluating some expressions before generating the data file, used in initialize some shared constants.
• New syntax:
  • CASE WHEN expression without the "case" value.
  • current_timestamp
  • Statements a; b; c, which evaluates all 3 expressions but only keep the last result
  • Bitwise operators a & b | c ^ ~d
• New functions:
  • substring
  • char_length, octet_length
  • overlay
  • div
  • mod
  • coalesce
  • generate_series
  • rand.shuffle
  • rand.uuid
• New CLI flags:
  • --no-schemas (do not dump schemas)
  • --now (override the value of current_timestamp)
  • -D, --initialize (specify global expressions from command line)
• Added step (mock) RNG