SQLite: Check-in [d6fcfc88]

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Overview

Comment:	Add the usual "fts3" prefix to new static method setEstimatedRows() in fts3.c. This fixes a problem when compiling the amalgamation, as the r-tree module also contains a static method named setEstimatedRows.
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Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	d6fcfc8890489b942e5b3f1bc271835d77c5ef96
User & Date:	dan 2014-01-04 19:58:29

Context

2014-01-04
20:00		Fix an typo that breaks the build when SQLITE_ENABLE_TREE_EXPLAIN is defined. (check-in: f461e2b3 user: drh tags: trunk)
19:58		Add the usual "fts3" prefix to new static method setEstimatedRows() in fts3.c. This fixes a problem when compiling the amalgamation, as the r-tree module also contains a static method named setEstimatedRows. (check-in: d6fcfc88 user: dan tags: trunk)
19:27		Avoid redundant register loads during index key generation when doing a DELETE or INTEGRITY_CHECK on a table with multiple indices. (check-in: 8f6e6149 user: drh tags: trunk)

Changes

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Changes to ext/fts3/fts3.c.

}

/*
** Set the pIdxInfo->estimatedRows variable to nRow. Unless this
** extension is currently being used by a version of SQLite too old to
** support estimatedRows. In that case this function is a no-op.
*/
static void setEstimatedRows(sqlite3_index_info *pIdxInfo, i64 nRow){
#if SQLITE_VERSION_NUMBER>=3008002
  if( sqlite3_libversion_number()>=3008002 ){
    pIdxInfo->estimatedRows = nRow;
  }
#endif
}

................................................................................
        /* There exists an unusable MATCH constraint. This means that if
        ** the planner does elect to use the results of this call as part
        ** of the overall query plan the user will see an "unable to use
        ** function MATCH in the requested context" error. To discourage
        ** this, return a very high cost here.  */
        pInfo->idxNum = FTS3_FULLSCAN_SEARCH;
        pInfo->estimatedCost = 1e50;
        setEstimatedRows(pInfo, ((sqlite3_int64)1) << 50);
        return SQLITE_OK;
      }
      continue;
    }

    bDocid = (pCons->iColumn<0 || pCons->iColumn==p->nColumn+1);

}

/*
** Set the pIdxInfo->estimatedRows variable to nRow. Unless this
** extension is currently being used by a version of SQLite too old to
** support estimatedRows. In that case this function is a no-op.
*/
static void fts3SetEstimatedRows(sqlite3_index_info *pIdxInfo, i64 nRow){
#if SQLITE_VERSION_NUMBER>=3008002
  if( sqlite3_libversion_number()>=3008002 ){
    pIdxInfo->estimatedRows = nRow;
  }
#endif
}

................................................................................
        /* There exists an unusable MATCH constraint. This means that if
        ** the planner does elect to use the results of this call as part
        ** of the overall query plan the user will see an "unable to use
        ** function MATCH in the requested context" error. To discourage
        ** this, return a very high cost here.  */
        pInfo->idxNum = FTS3_FULLSCAN_SEARCH;
        pInfo->estimatedCost = 1e50;
        fts3SetEstimatedRows(pInfo, ((sqlite3_int64)1) << 50);
        return SQLITE_OK;
      }
      continue;
    }

    bDocid = (pCons->iColumn<0 || pCons->iColumn==p->nColumn+1);