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Overview
| Comment: | Reduce the size of the Index object (by 8 bytes on x64). |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5a2ac944839ec0c5b9147a035c6cbf09 |
| User & Date: | drh 2013-01-01 14:01:28.252 |
Context
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2013-01-03
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| 18:07 | Improvements to column name resolution in queries with parenthesized FROM clauses. Also includes a fix for ticket [beba9cae6345a3]. (check-in: 99127a669c user: drh tags: trunk) | |
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2013-01-02
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| 12:29 | Merge all the latest trunk changes into the name-resolution enhancement branch. (check-in: a5f4d2b641 user: drh tags: name-resolution-fix) | |
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2013-01-01
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| 14:01 | Reduce the size of the Index object (by 8 bytes on x64). (check-in: 5a2ac94483 user: drh tags: trunk) | |
| 13:55 | Enhance the table_info pragma so that the pk column shows the order of the columns in a multi-column primary key. (check-in: 3076a89015 user: drh tags: trunk) | |
Changes
Changes to src/sqliteInt.h.
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1480 1481 1482 1483 1484 1485 1486 |
** must be unique and what to do if they are not. When Index.onError=OE_None,
** it means this is not a unique index. Otherwise it is a unique index
** and the value of Index.onError indicate the which conflict resolution
** algorithm to employ whenever an attempt is made to insert a non-unique
** element.
*/
struct Index {
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** must be unique and what to do if they are not. When Index.onError=OE_None,
** it means this is not a unique index. Otherwise it is a unique index
** and the value of Index.onError indicate the which conflict resolution
** algorithm to employ whenever an attempt is made to insert a non-unique
** element.
*/
struct Index {
char *zName; /* Name of this index */
int *aiColumn; /* Which columns are used by this index. 1st is 0 */
tRowcnt *aiRowEst; /* From ANALYZE: Est. rows selected by each column */
Table *pTable; /* The SQL table being indexed */
char *zColAff; /* String defining the affinity of each column */
Index *pNext; /* The next index associated with the same table */
Schema *pSchema; /* Schema containing this index */
u8 *aSortOrder; /* for each column: True==DESC, False==ASC */
char **azColl; /* Array of collation sequence names for index */
int tnum; /* DB Page containing root of this index */
u16 nColumn; /* Number of columns in table used by this index */
u8 onError; /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
unsigned autoIndex:2; /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */
unsigned bUnordered:1; /* Use this index for == or IN queries only */
#ifdef SQLITE_ENABLE_STAT3
int nSample; /* Number of elements in aSample[] */
tRowcnt avgEq; /* Average nEq value for key values not in aSample */
IndexSample *aSample; /* Samples of the left-most key */
#endif
};
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