ืžืขืœื“ื•ื ื’ ืคื•ืŸ DBMS SQLite 3.37

ื“ื™ ืžืขืœื“ื•ื ื’ ืคื•ืŸ SQLite 3.37, ืึท ืœื™ื™ื˜ื•ื•ื™ื™ื˜ ื“ื‘ืžืก ื“ื™ื–ื™ื™ื ื“ ื•ื•ื™ ืึท ืฆืึทืคึผืŸ-ืื™ืŸ ื‘ื™ื‘ืœื™ืึธื˜ืขืง, ืื™ื– ืืจื•ื™ืก. ื“ื™ SQLite ืงืึธื“ ืื™ื– ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืื™ืŸ ื“ื™ ืฆื™ื‘ื•ืจ ืคืขืœื“, ื™.ืข. ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืึธืŸ ืจื™ืกื˜ืจื™ืงืฉืึทื ื– ืื•ืŸ ืคืจื™ื™ ืคึฟืึทืจ ืงื™ื™ืŸ ืฆื•ื•ืขืง. ืคื™ื ืึทื ืฆื™ืขืœ ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ SQLite ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ืื™ื– ืฆื•ื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš ืึท ืกืคึผืขืฉืœื™ ื‘ืืฉืืคืŸ ืงืึธื ืกืึธืจื˜ื™ื•ื, ื•ื•ืึธืก ื›ื•ืœืœ ืงืึธืžืคึผืึทื ื™ืขืก ืึทื–ืึท ื•ื•ื™ ืึทื“ืึธื•ื‘ื™, ืึธืจืึทืงืœืข, ืžืึธื–ื™ืœืœืึท, ื‘ืขื ื˜ืœื™ื™ ืื•ืŸ ื‘ืœื•ืžื‘ืขืจื’.

ื”ื•ื™ืคึผื˜ ืขื ื“ืขืจื•ื ื’ืขืŸ:

  • ืฆื•ื’ืขืœื™ื™ื’ื˜ ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ ืฉืืคืŸ ื˜ื™ืฉืŸ ืžื™ื˜ ื“ื™ "STRICT" ืึทื˜ืจื™ื‘ื™ื•ื˜, ื•ื•ืึธืก ืจื™ืงื•ื•ื™ื™ืขืจื– ืึท ืžืึทื ื“ืึทื˜ืึธืจื™ ื˜ื™ืคึผ ืึธื ื•ื•ื™ื™ึทื– ื•ื•ืขืŸ ื“ื™ืงืœืขืจื™ื ื’ ืฉืคืืœื˜ืŸ ืื•ืŸ ืึทืคึผืœื™ื™ื– ืฉื˜ืจืขื ื’ ื˜ื™ืคึผ ื•ื•ืึธืก ืจื™ื›ื˜ืŸ ื˜ืฉืขืงืก ืคึฟืึทืจ ื“ืึทื˜ืŸ ืฆื•ื’ืขื’ืขื‘ืŸ ืฆื• ื“ื™ ืฉืคืืœื˜ืŸ. ื•ื•ืขืŸ ื“ืขื ืคืึธืŸ ืื™ื– ื‘ืึทืฉื˜ื™ืžื˜, SQLite ื•ื•ืขื˜ ื•ื•ื™ื™ึทื–ืŸ ืึท ื˜ืขื•ืช ืื•ื™ื‘ ืขืก ืื™ื– ืื•ืžืžืขื’ืœืขืš ืฆื• ื•ื•ืึทืจืคืŸ ื“ื™ ืกืคึผืขืกื™ืคื™ืขื“ ื“ืึทื˜ืŸ ืฆื• ื“ื™ ื–ื™ื™ึทืœ ื˜ื™ืคึผ. ืฆื•ื ื‘ื™ื™ืฉืคึผื™ืœ, ืื•ื™ื‘ ื“ืขืจ ื–ื™ื™ึทืœ ืื™ื– ื‘ืืฉืืคืŸ ื•ื•ื™ "INTEGER", ื“ืขืจ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืคื•ืŸ ื“ื™ ืฉื˜ืจื™ืงืœ ื•ื•ืขืจื˜ '123' ื•ื•ืขื˜ ืจืขื–ื•ืœื˜ืึทื˜ ืื™ืŸ ื“ื™ ื ื•ืžืขืจ 123 ืื™ื– ืฆื•ื’ืขื’ืขื‘ืŸ, ืึธื‘ืขืจ ืคึผืจื•ื•ื•ืŸ ืฆื• ืกืคึผืขืฆื™ืคื™ืฆื™ืจืŸ 'xyz' ื•ื•ืขื˜ ืคืึทืจืœืึธื–ืŸ.
  • ืื™ืŸ ื“ืขืจ ืึธืคึผืขืจืึทืฆื™ืข "ALTER TABLE ADD COLUMN", ืึท ื˜ืฉืขืง ืคึฟืึทืจ ื˜ื ืึธื™ื ืคึฟืึทืจ ื“ื™ ืขืงื–ื™ืกื˜ืขื ืฅ ืคื•ืŸ ืจืึธื•ื– ืื™ื– ืฆื•ื’ืขื’ืขื‘ืŸ ื•ื•ืขืŸ ืึทื“ื™ื ื’ ืฉืคืืœื˜ืŸ ืžื™ื˜ ื˜ืฉืขืงืก ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ "CHECK" ืื•ื™ืกื“ืจื•ืง ืึธื“ืขืจ ืžื™ื˜ "ื ื™ื˜ NULL" ื˜ื ืึธื™ื.
  • ื™ืžืคึผืœืึทืžืขื ื˜ืึทื“ ื“ื™ ืื•ื™ืกื“ืจื•ืง "PRAGMA table_list" ืฆื• ื•ื•ื™ื™ึทื–ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื˜ื™ืฉืŸ ืื•ืŸ ืงื•ืงืŸ.
  • ื“ื™ ื‘ืึทืคึฟืขืœืŸ ืฉื•ืจื” ืฆื•ื‘ื™ื ื“ ื™ืžืคึผืœืึทืžืึทื ืฅ ื“ื™ ". ืงืฉืจ" ื‘ืึทืคึฟืขืœ, ื•ื•ืึธืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™ ืฉื˜ื™ืฆืŸ ืงื™ื™ืคืœ ืงืึทื ืขืงืฉืึทื ื– ืฆื• ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก.
  • ืฆื•ื’ืขื’ืขื‘ืŸ ื“ื™ "-ื–ื™ื›ืขืจ" ืคึผืึทืจืึทืžืขื˜ืขืจ, ื•ื•ืึธืก ื“ื™ืกื™ื™ื‘ืึทืœื– CLI ืงืึทืžืึทื ื“ื– ืื•ืŸ SQL ืื•ื™ืกื“ืจื•ืงืŸ ื•ื•ืึธืก ืœืึธื–ืŸ ืื™ืจ ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืึทืคึผืขืจื™ื™ืฉืึทื ื– ืžื™ื˜ ื“ืึทื˜ืึทื‘ื™ื™ืก ื˜ืขืงืขืก ื•ื•ืึธืก ื–ืขื ืขืŸ ืึทื ื“ืขืจืฉ ืคื•ืŸ ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก ื•ื•ืึธืก ืื™ื– ืกืคึผืขืกื™ืคื™ืขื“ ืื•ื™ืฃ ื“ื™ ื‘ืึทืคึฟืขืœืŸ ืฉื•ืจื”.
  • ื“ื™ CLI ื”ืื˜ ืึธืคึผื˜ื™ืžื™ื–ืขื“ ื“ื™ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืคื•ืŸ ืœื™ื™ืขื ืขืŸ SQL ืื•ื™ืกื“ืจื•ืงืŸ ืฉืคึผืึทืœื˜ืŸ ืื™ืŸ ืงื™ื™ืคืœ ืฉื•ืจื•ืช.
  • ืฆื•ื’ืขืœื™ื™ื’ื˜ ืคืึทื ื’ืงืฉืึทื ื– sqlite3_autovacuum_pages (), sqlite3_changes64 () ืื•ืŸ sqlite3_total_changes64 ().
  • ื“ื™ ืึธื ืคึฟืจืขื’ ืคึผืœืึทื ื ืขืจ ื™ื ืฉื•ืจื– ืึทื– ORDER BY ืงืœืึธื–ื™ื– ืื™ืŸ ืกื•ื‘ืงื•ื•ืขืจื™ื– ืื•ืŸ ืงื•ืงืŸ ื–ืขื ืขืŸ ืื™ื’ื ืึธืจื™ืจื˜ ืกื™ื™ึทื“ืŸ ืจื™ืžื•ื•ื•ื™ื ื’ ื“ื™ ืงืœืึธื–ื™ื– ื˜ื•ื˜ ื ื™ืฉื˜ ื˜ื•ื™ืฉืŸ ื“ื™ ืกืขืžืึทื ื˜ื™ืงืก ืคื•ืŸ ื“ื™ ืึธื ืคึฟืจืขื’.
  • ื“ื™ ื’ืขืฉืคึผืจื™ื™ื˜ ื’ืขื ืขืจ_ืกืขืจื™ืข (START,END,STEP) ืื™ื– ืคืืจืขื ื“ืขืจื˜, ื“ืขืจ ืขืจืฉื˜ืขืจ ืคึผืึทืจืึทืžืขื˜ืขืจ ืื™ืŸ ื•ื•ืึธืก ("START") ืื™ื– ื’ืขืžืื›ื˜ ืžืึทื ื“ืึทื˜ืึธืจื™. ืฆื• ืฆื•ืจื™ืงืงื•ืžืขืŸ ื“ื™ ืึทืœื˜ ื ืึทื˜ื•ืจ, ืขืก ืื™ื– ืžืขื’ืœืขืš ืฆื• ืจื™ื‘ื™ืœื“ ืžื™ื˜ ื“ื™ "-DZERO_ARGUMENT_GENERATE_SERIES" ืึธืคึผืฆื™ืข.
  • ืจื™ื“ื•ืกื˜ ื–ื™ืงืึธืจืŸ ืงืึทื ืกืึทืžืฉืึทืŸ ืคึฟืึทืจ ืกื˜ืึธืจื™ื ื’ ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก ืกื˜ืฉืขืžืึท.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’