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Overview
| Comment: | Avoid allocating excess memory to the KeyInfo objects. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
df7859435161f3ecf36635ce574bf735 |
| User & Date: | drh 2017-05-31 13:45:59 |
Context
|
2017-05-31
| ||
| 16:09 | Add the experimental "stmts" virtual table for introspection of prepared statements. check-in: cb4c5c66 user: drh tags: trunk | |
| 13:45 | Avoid allocating excess memory to the KeyInfo objects. check-in: df785943 user: drh tags: trunk | |
| 13:27 | Remove a completely unnecessary memset() from the INSERT code generator. check-in: 7d58836b user: drh tags: trunk | |
Changes
Changes to src/select.c.
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}
/*
** Allocate a KeyInfo object sufficient for an index of N key columns and
** X extra columns.
*/
KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){
int nExtra = (N+X)*(sizeof(CollSeq*)+1);
KeyInfo *p = sqlite3DbMallocRawNN(db, sizeof(KeyInfo) + nExtra);
if( p ){
p->aSortOrder = (u8*)&p->aColl[N+X];
p->nField = (u16)N;
p->nXField = (u16)X;
p->enc = ENC(db);
p->db = db;
|
| |
1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 |
}
/*
** Allocate a KeyInfo object sufficient for an index of N key columns and
** X extra columns.
*/
KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){
int nExtra = (N+X)*(sizeof(CollSeq*)+1) - sizeof(CollSeq*);
KeyInfo *p = sqlite3DbMallocRawNN(db, sizeof(KeyInfo) + nExtra);
if( p ){
p->aSortOrder = (u8*)&p->aColl[N+X];
p->nField = (u16)N;
p->nXField = (u16)X;
p->enc = ENC(db);
p->db = db;
|