Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Modify virtual methods for index estimated cost handling. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | virtualTables |
| Files: | files | file ages | folders |
| SHA1: |
c1d296428129467d8a585a71f44e3af7 |
| User & Date: | mistachkin 2013-06-22 20:04:08.745 |
Context
|
2013-06-22
| ||
| 20:05 | Also update error message wording. check-in: f01efa4daa user: mistachkin tags: virtualTables | |
| 20:04 | Modify virtual methods for index estimated cost handling. check-in: c1d2964281 user: mistachkin tags: virtualTables | |
| 02:51 | Support compiling without built-in support for creating virtual tables in managed code, thus allowing the vtshim extension module to be excluded. check-in: a85fc42853 user: mistachkin tags: virtualTables | |
Changes
Changes to System.Data.SQLite/SQLiteModule.cs.
| ︙ | ︙ | |||
2509 2510 2511 2512 2513 2514 2515 |
return SetTableError(pVtab, error);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Index Handling Helper Methods
| | | > | > > > > > > > > > | 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 |
return SetTableError(pVtab, error);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Index Handling Helper Methods
protected virtual bool SetEstimatedCost(
SQLiteIndex index,
double estimatedCost
)
{
if ((index == null) || (index.Outputs == null))
return false;
index.Outputs.EstimatedCost = estimatedCost;
return true;
}
///////////////////////////////////////////////////////////////////////
protected virtual bool SetEstimatedCost(
SQLiteIndex index
)
{
return SetEstimatedCost(index, DefaultCost);
}
#endregion
#endregion
///////////////////////////////////////////////////////////////////////
#region Public Properties
private bool logErrors;
|
| ︙ | ︙ |
Changes to System.Data.SQLite/SQLiteModuleEnumerable.cs.
| ︙ | ︙ | |||
231 232 233 234 235 236 237 |
public override SQLiteErrorCode BestIndex(
SQLiteVirtualTable table,
SQLiteIndex index
)
{
CheckDisposed();
| | | 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 |
public override SQLiteErrorCode BestIndex(
SQLiteVirtualTable table,
SQLiteIndex index
)
{
CheckDisposed();
if (!SetEstimatedCost(index))
{
SetTableError(table, "failed to set default estimated cost");
return SQLiteErrorCode.Error;
}
return SQLiteErrorCode.Ok;
}
|
| ︙ | ︙ |