/*
** This callback is invoked once for each index when reading the
** sqlite_stat1 table.
**
** argv[0] = name of the table
** argv[1] = name of the index (might be NULL)
** argv[2] = results of analysis - on integer for each column
**
** Entries for which argv[1]==NULL simply record the number of rows in
** the table.
*/
static int analysisLoader(object pData, sqlite3_int64 argc, object Oargv, object NotUsed)
{
string[] argv = (string[])Oargv;
analysisInfo pInfo = (analysisInfo)pData;
Index pIndex;
Table pTable;
int i, c, n;
int v;
string z;
Debug.Assert(argc == 3);
UNUSED_PARAMETER2(NotUsed, argc);
if (argv == null || argv[0] == null || argv[2] == null)
{
return(0);
}
pTable = sqlite3FindTable(pInfo.db, argv[0], pInfo.zDatabase);
if (pTable == null)
{
return(0);
}
if (!String.IsNullOrEmpty(argv[1]))
{
pIndex = sqlite3FindIndex(pInfo.db, argv[1], pInfo.zDatabase);
}
else
{
pIndex = null;
}
n = pIndex != null ? pIndex.nColumn : 0;
z = argv[2];
int zIndex = 0;
for (i = 0; z != null && i <= n; i++)
{
v = 0;
while (zIndex < z.Length && (c = z[zIndex]) >= '0' && c <= '9')
{
v = v * 10 + c - '0';
zIndex++;
}
if (i == 0)
{
pTable.nRowEst = (uint)v;
}
if (pIndex == null)
{
break;
}
pIndex.aiRowEst[i] = v;
if (zIndex < z.Length && z[zIndex] == ' ')
{
zIndex++;
}
}
return(0);
}
/*
** This callback is invoked once for each index when reading the
** sqlite_stat1 table.
**
** argv[0] = name of the index
** argv[1] = results of analysis - on integer for each column
*/
static int analysisLoader(object pData, sqlite3_int64 argc, object Oargv, object NotUsed)
{
string[] argv = (string[])Oargv;
analysisInfo pInfo = (analysisInfo)pData;
Index pIndex;
int i, c;
int v;
string z;
Debug.Assert(argc == 2);
UNUSED_PARAMETER2(NotUsed, argc);
if (argv == null || argv[0] == null || argv[1] == null)
{
return(0);
}
pIndex = sqlite3FindIndex(pInfo.db, argv[0], pInfo.zDatabase);
if (pIndex == null)
{
return(0);
}
z = argv[1];
int zIndex = 0;
for (i = 0; z != null && i <= pIndex.nColumn; i++)
{
v = 0;
while (zIndex < z.Length && (c = z[zIndex]) >= '0' && c <= '9')
{
v = v * 10 + c - '0';
zIndex++;
}
pIndex.aiRowEst[i] = v;
if (zIndex < z.Length && z[zIndex] == ' ')
{
zIndex++;
}
}
return(0);
}
