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Overview
| Comment: | Size and performance micro-optimization on sqlite3SrcListIndexedBy(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
28a5aec118f9d078c9e7225f85cd48a9 |
| User & Date: | drh 2017-08-12 01:09:06 |
Context
|
2017-08-12
| ||
| 02:01 | Remove the zBase field from the StrAccum object. Resulting code is slightly smaller and faster. (check-in: 6e52fa5f user: drh tags: trunk) | |
| 01:09 | Size and performance micro-optimization on sqlite3SrcListIndexedBy(). (check-in: 28a5aec1 user: drh tags: trunk) | |
|
2017-08-11
| ||
| 18:59 | Fix compiler warnings that arise if the PAGERTRACE macro is turned on. This changes does not affect production builds. (check-in: 831156a4 user: drh tags: trunk) | |
Changes
Changes to src/build.c.
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/*
** Add an INDEXED BY or NOT INDEXED clause to the most recently added
** element of the source-list passed as the second argument.
*/
void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pIndexedBy){
assert( pIndexedBy!=0 );
if( p && ALWAYS(p->nSrc>0) ){
struct SrcList_item *pItem = &p->a[p->nSrc-1];
assert( pItem->fg.notIndexed==0 );
assert( pItem->fg.isIndexedBy==0 );
assert( pItem->fg.isTabFunc==0 );
if( pIndexedBy->n==1 && !pIndexedBy->z ){
/* A "NOT INDEXED" clause was supplied. See parse.y
** construct "indexed_opt" for details. */
pItem->fg.notIndexed = 1;
}else{
pItem->u1.zIndexedBy = sqlite3NameFromToken(pParse->db, pIndexedBy);
pItem->fg.isIndexedBy = (pItem->u1.zIndexedBy!=0);
}
}
}
/*
** Add the list of function arguments to the SrcList entry for a
** table-valued-function.
|
> > | | | |
3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 |
/*
** Add an INDEXED BY or NOT INDEXED clause to the most recently added
** element of the source-list passed as the second argument.
*/
void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pIndexedBy){
assert( pIndexedBy!=0 );
if( p && pIndexedBy->n>0 ){
struct SrcList_item *pItem;
assert( p->nSrc>0 );
pItem = &p->a[p->nSrc-1];
assert( pItem->fg.notIndexed==0 );
assert( pItem->fg.isIndexedBy==0 );
assert( pItem->fg.isTabFunc==0 );
if( pIndexedBy->n==1 && !pIndexedBy->z ){
/* A "NOT INDEXED" clause was supplied. See parse.y
** construct "indexed_opt" for details. */
pItem->fg.notIndexed = 1;
}else{
pItem->u1.zIndexedBy = sqlite3NameFromToken(pParse->db, pIndexedBy);
pItem->fg.isIndexedBy = 1;
}
}
}
/*
** Add the list of function arguments to the SrcList entry for a
** table-valued-function.
|