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Overview
| Comment: | Fix sqlite3ColumnOfIndex() to account for virtual columns. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | generated-columns |
| Files: | files | file ages | folders |
| SHA3-256: |
447271123e3b467d9271a4c0cf27f47a |
| User & Date: | drh 2019-10-18 12:14:48.871 |
Context
|
2019-10-18
| ||
| 12:52 | Claw back some performance from the sqlite3ExprGetColumnOfTable() routine. (check-in: e8426acb94 user: drh tags: generated-columns) | |
| 12:14 | Fix sqlite3ColumnOfIndex() to account for virtual columns. (check-in: 447271123e user: drh tags: generated-columns) | |
| 10:05 | Get indexes working on virtual columns. (check-in: 450c48766c user: drh tags: generated-columns) | |
Changes
Changes to src/build.c.
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/*
** Return the column of index pIdx that corresponds to table
** column iCol. Return -1 if not found.
*/
i16 sqlite3ColumnOfIndex(Index *pIdx, i16 iCol){
int i;
for(i=0; i<pIdx->nColumn; i++){
if( iCol==pIdx->aiColumn[i] ) return i;
}
return -1;
}
#ifndef SQLITE_OMIT_GENERATED_COLUMNS
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/*
** Return the column of index pIdx that corresponds to table
** column iCol. Return -1 if not found.
*/
i16 sqlite3ColumnOfIndex(Index *pIdx, i16 iCol){
int i;
#ifndef SQLITE_OMIT_GENERATED_COLUMNS
Table *pTab = pIdx->pTable;
if( pTab->tabFlags & TF_HasVirtual ){
for(i=0; i<=iCol; i++){
if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ) iCol++;
}
}
#endif
for(i=0; i<pIdx->nColumn; i++){
if( iCol==pIdx->aiColumn[i] ) return i;
}
return -1;
}
#ifndef SQLITE_OMIT_GENERATED_COLUMNS
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