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Add the column_origin_name() etc. APIs. (CVS 3069)

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FossilOrigin-Name: 82f502cdc1fead3bf7e3190d5c9db3aee6919ed4
This commit is contained in:
danielk1977
2006-02-10 02:27:42 +00:00
parent 86631a5ad1
commit 955de52c9c
18 changed files with 436 additions and 137 deletions
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13
src/vdbeaux.c
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@@ -871,9 +871,9 @@ static void Cleanup(Vdbe *p){
void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){
Mem *pColName;
int n;
releaseMemArray(p->aColName, p->nResColumn*2);
releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
sqliteFree(p->aColName);
n = nResColumn*2;
n = nResColumn*COLNAME_N;
p->nResColumn = nResColumn;
p->aColName = pColName = (Mem*)sqliteMalloc( sizeof(Mem)*n );
if( p->aColName==0 ) return;
@@ -893,13 +893,14 @@ void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){
** the string is freed using sqliteFree() when the vdbe is finished with
** it. Otherwise, N bytes of zName are copied.
*/
int sqlite3VdbeSetColName(Vdbe *p, int idx, const char *zName, int N){
int sqlite3VdbeSetColName(Vdbe *p, int idx, int var, const char *zName, int N){
int rc;
Mem *pColName;
assert( idx<(2*p->nResColumn) );
assert( idx<p->nResColumn );
assert( var<COLNAME_N );
if( sqlite3MallocFailed() ) return SQLITE_NOMEM;
assert( p->aColName!=0 );
pColName = &(p->aColName[idx]);
pColName = &(p->aColName[idx+var*p->nResColumn]);
if( N==P3_DYNAMIC || N==P3_STATIC ){
rc = sqlite3VdbeMemSetStr(pColName, zName, -1, SQLITE_UTF8, SQLITE_STATIC);
}else{
@@ -1481,7 +1482,7 @@ void sqlite3VdbeDelete(Vdbe *p){
releaseMemArray(p->aVar, p->nVar);
sqliteFree(p->aLabel);
sqliteFree(p->aStack);
releaseMemArray(p->aColName, p->nResColumn*2);
releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
sqliteFree(p->aColName);
p->magic = VDBE_MAGIC_DEAD;
sqliteFree(p);