DB++

• 简介
• 安装/配置
  • 需求
  • 安装
  • 运行时配置
  • 资源类型
• 预定义常量
  • db++ error codes
• DB++ 函数
  • dbplus_add — Add a tuple to a relation
  • dbplus_aql — Perform AQL query
  • dbplus_chdir — Get/Set database virtual current directory
  • dbplus_close — Close a relation
  • dbplus_curr — Get current tuple from relation
  • dbplus_errcode — Get error string for given errorcode or last error
  • dbplus_errno — Get error code for last operation
  • dbplus_find — Set a constraint on a relation
  • dbplus_first — Get first tuple from relation
  • dbplus_flush — Flush all changes made on a relation
  • dbplus_freealllocks — Free all locks held by this client
  • dbplus_freelock — Release write lock on tuple
  • dbplus_freerlocks — Free all tuple locks on given relation
  • dbplus_getlock — Get a write lock on a tuple
  • dbplus_getunique — Get an id number unique to a relation
  • dbplus_info — Get information about a relation
  • dbplus_last — Get last tuple from relation
  • dbplus_lockrel — Request write lock on relation
  • dbplus_next — Get next tuple from relation
  • dbplus_open — Open relation file
  • dbplus_prev — Get previous tuple from relation
  • dbplus_rchperm — Change relation permissions
  • dbplus_rcreate — Creates a new DB++ relation
  • dbplus_rcrtexact — Creates an exact but empty copy of a relation including indices
  • dbplus_rcrtlike — Creates an empty copy of a relation with default indices
  • dbplus_resolve — Resolve host information for relation
  • dbplus_restorepos — Restore position
  • dbplus_rkeys — Specify new primary key for a relation
  • dbplus_ropen — Open relation file local
  • dbplus_rquery — Perform local (raw) AQL query
  • dbplus_rrename — Rename a relation
  • dbplus_rsecindex — Create a new secondary index for a relation
  • dbplus_runlink — Remove relation from filesystem
  • dbplus_rzap — Remove all tuples from relation
  • dbplus_savepos — Save position
  • dbplus_setindex — Set index
  • dbplus_setindexbynumber — Set index by number
  • dbplus_sql — Perform SQL query
  • dbplus_tcl — Execute TCL code on server side
  • dbplus_tremove — Remove tuple and return new current tuple
  • dbplus_undo — Undo
  • dbplus_undoprepare — Prepare undo
  • dbplus_unlockrel — Give up write lock on relation
  • dbplus_unselect — Remove a constraint from relation
  • dbplus_update — Update specified tuple in relation
  • dbplus_xlockrel — Request exclusive lock on relation
  • dbplus_xunlockrel — Free exclusive lock on relation