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Overview
| Comment: | Small size reduction in findCollSeqEntry(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
55ecd30304517acd23f89b3450fd6a5e |
| User & Date: | drh 2017-07-06 03:06:20 |
Context
|
2017-07-06
| ||
| 13:23 | Avoid unnecessary upper-to-lower case conversion for function names when registering the built-in functions. (check-in: 06269257 user: drh tags: trunk) | |
| 03:06 | Small size reduction in findCollSeqEntry(). (check-in: 55ecd303 user: drh tags: trunk) | |
| 02:49 | Avoid unnecessary calls to sqlite3GetCollSeq() for a small performance gain. (check-in: 503ba172 user: drh tags: trunk) | |
Changes
Changes to src/callback.c.
153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 |
const char *zName, /* Name of the collating sequence */
int create /* Create a new entry if true */
){
CollSeq *pColl;
pColl = sqlite3HashFind(&db->aCollSeq, zName);
if( 0==pColl && create ){
int nName = sqlite3Strlen30(zName);
pColl = sqlite3DbMallocZero(db, 3*sizeof(*pColl) + nName + 1);
if( pColl ){
CollSeq *pDel = 0;
pColl[0].zName = (char*)&pColl[3];
pColl[0].enc = SQLITE_UTF8;
pColl[1].zName = (char*)&pColl[3];
pColl[1].enc = SQLITE_UTF16LE;
pColl[2].zName = (char*)&pColl[3];
pColl[2].enc = SQLITE_UTF16BE;
memcpy(pColl[0].zName, zName, nName);
pColl[0].zName[nName] = 0;
pDel = sqlite3HashInsert(&db->aCollSeq, pColl[0].zName, pColl);
/* If a malloc() failure occurred in sqlite3HashInsert(), it will
** return the pColl pointer to be deleted (because it wasn't added
** to the hash table).
*/
assert( pDel==0 || pDel==pColl );
|
| | < |
153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 |
const char *zName, /* Name of the collating sequence */
int create /* Create a new entry if true */
){
CollSeq *pColl;
pColl = sqlite3HashFind(&db->aCollSeq, zName);
if( 0==pColl && create ){
int nName = sqlite3Strlen30(zName) + 1;
pColl = sqlite3DbMallocZero(db, 3*sizeof(*pColl) + nName);
if( pColl ){
CollSeq *pDel = 0;
pColl[0].zName = (char*)&pColl[3];
pColl[0].enc = SQLITE_UTF8;
pColl[1].zName = (char*)&pColl[3];
pColl[1].enc = SQLITE_UTF16LE;
pColl[2].zName = (char*)&pColl[3];
pColl[2].enc = SQLITE_UTF16BE;
memcpy(pColl[0].zName, zName, nName);
pDel = sqlite3HashInsert(&db->aCollSeq, pColl[0].zName, pColl);
/* If a malloc() failure occurred in sqlite3HashInsert(), it will
** return the pColl pointer to be deleted (because it wasn't added
** to the hash table).
*/
assert( pDel==0 || pDel==pColl );
|