comparison: DBI.lua
DBI.lua
- changeset 36
- 942bfe1843bc
- parent 22
- fd78e9cdc6e9
equal
deleted
inserted
replaced
| 35:72946c7c68da | 36:942bfe1843bc |
|---|---|
| 26 end | 26 end |
| 27 end | 27 end |
| 28 | 28 |
| 29 -- no drivers available | 29 -- no drivers available |
| 30 if table.maxn(available) < 1 then | 30 if table.maxn(available) < 1 then |
| 31 return '(None)' | 31 available = {'(None)'} |
| 32 end | 32 end |
| 33 | 33 |
| 34 return table.concat(available, ',') | 34 return available |
| 35 end | 35 end |
| 36 | 36 |
| 37 -- High level DB connection function | 37 -- High level DB connection function |
| 38 -- This should be used rather than DBD.{Driver}.New | 38 -- This should be used rather than DBD.{Driver}.New |
| 39 function Connect(driver, ...) | 39 function Connect(driver, ...) |
| 40 local modulefile = name_to_module[driver] | 40 local modulefile = name_to_module[driver] |
| 41 | 41 |
| 42 if not modulefile then | 42 if not modulefile then |
| 43 error(string.format("Driver '%s' not found. Available drivers are: %s", driver, available_drivers())) | 43 local available = table.concat(available_drivers(), ',') |
| 44 error(string.format("Driver '%s' not found. Available drivers are: %s", driver, available)) | |
| 44 end | 45 end |
| 45 | 46 |
| 46 local m, err = pcall(require, modulefile) | 47 local m, err = pcall(require, modulefile) |
| 47 | 48 |
| 48 if not m then | 49 if not m then |
| 49 -- cannot load the module, we cannot continue | 50 -- cannot load the module, we cannot continue |
| 50 error(string.format('Cannot load driver %s. Available drivers are: %s', driver, available_drivers())) | 51 local available = table.concat(available_drivers(), ',') |
| 52 error(string.format('Cannot load driver %s. Available drivers are: %s', driver, available)) | |
| 51 end | 53 end |
| 52 | 54 |
| 53 local class_str = string.format('DBD.%s.Connection', driver) | 55 local class_str = string.format('DBD.%s.Connection', driver) |
| 54 | 56 |
| 55 local connection_class = package.loaded[class_str] | 57 local connection_class = package.loaded[class_str] |
| 73 return false, err | 75 return false, err |
| 74 end | 76 end |
| 75 | 77 |
| 76 return sth:affected() | 78 return sth:affected() |
| 77 end | 79 end |
| 80 | |
| 81 -- Lit drivers available on this system | |
| 82 function Drivers() | |
| 83 return available_drivers() | |
| 84 end |
