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Overview
| Comment: | The sqlite3_namelist() routine now works for all name types. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | experimental-namelist |
| Files: | files | file ages | folders |
| SHA3-256: |
e41d62175b65428567a05130725ad054 |
| User & Date: | drh 2017-07-06 18:25:27 |
Context
|
2017-07-06
| ||
| 18:52 | Change the sqlite3_namelist() interface to return a pointer to an array of pointers to strings, and to avoid duplicates. check-in: 70291110 user: drh tags: experimental-namelist | |
| 18:25 | The sqlite3_namelist() routine now works for all name types. check-in: e41d6217 user: drh tags: experimental-namelist | |
| 17:36 | Initial implementation of a highly experimental interface for listing all keywords and symbolic names for an SQLite database connection. check-in: 04ef6783 user: drh tags: experimental-namelist | |
Changes
Changes to src/tokenize.c.
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**
** Each word is separated from the next by a single 0x00 byte. The list
** is terminated by two 0x00 bytes in a row.
*/
char *sqlite3_namelist(sqlite3 *db, const char *zPrefix, int typeMask){
struct NameAccum x;
int i;
x.zPrefix = zPrefix;
x.nPrefix = sqlite3Strlen30(zPrefix);
sqlite3StrAccumInit(&x.x, 0, 0, 0, 100000000);
if( typeMask & SQLITE_NAMETYPE_KEYWORD ){
for(i=0; i<ArraySize(aKWOffset); i++){
addName(&x, zKWText + aKWOffset[i], aKWLen[i]);
}
}
return sqlite3StrAccumFinish(&x.x);
}
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**
** Each word is separated from the next by a single 0x00 byte. The list
** is terminated by two 0x00 bytes in a row.
*/
char *sqlite3_namelist(sqlite3 *db, const char *zPrefix, int typeMask){
struct NameAccum x;
int i;
HashElem *j;
x.zPrefix = zPrefix;
x.nPrefix = sqlite3Strlen30(zPrefix);
sqlite3StrAccumInit(&x.x, 0, 0, 0, 100000000);
if( typeMask & SQLITE_NAMETYPE_KEYWORD ){
for(i=0; i<ArraySize(aKWOffset); i++){
addName(&x, zKWText + aKWOffset[i], aKWLen[i]);
}
}
if( typeMask & SQLITE_NAMETYPE_FUNCTION ){
for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){
FuncDef *p;
for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash){
addName(&x, p->zName, -1);
}
}
for(j=sqliteHashFirst(&db->aFunc); j; j=sqliteHashNext(j)){
FuncDef *p = (FuncDef*)sqliteHashData(j);
addName(&x, p->zName, -1);
}
}
if( typeMask & SQLITE_NAMETYPE_COLLATION ){
for(j=sqliteHashFirst(&db->aCollSeq); j; j=sqliteHashNext(j)){
CollSeq *p = (CollSeq*)sqliteHashData(j);
addName(&x, p->zName, -1);
}
}
if( typeMask & SQLITE_NAMETYPE_MODULE ){
for(j=sqliteHashFirst(&db->aModule); j; j=sqliteHashNext(j)){
Module *p = (Module*)sqliteHashData(j);
addName(&x, p->zName, -1);
}
}
if( typeMask & (SQLITE_NAMETYPE_SCHEMA|
SQLITE_NAMETYPE_TABLE|
SQLITE_NAMETYPE_INDEX|
SQLITE_NAMETYPE_TRIGGER|
SQLITE_NAMETYPE_COLUMN) ){
int iDb;
for(iDb=0; iDb<db->nDb; iDb++){
Db *pDb = &db->aDb[iDb];
if( typeMask & SQLITE_NAMETYPE_SCHEMA ){
addName(&x, pDb->zDbSName, -1);
}
if( typeMask & (SQLITE_NAMETYPE_TABLE|SQLITE_NAMETYPE_COLUMN) ){
for(j=sqliteHashFirst(&pDb->pSchema->tblHash); j; j=sqliteHashNext(j)){
Table *p = (Table*)sqliteHashData(j);
if( typeMask & SQLITE_NAMETYPE_TABLE ){
addName(&x, p->zName, -1);
}
if( typeMask & SQLITE_NAMETYPE_COLUMN ){
int k;
for(k=0; k<p->nCol; k++){
addName(&x, p->aCol[k].zName, -1);
}
}
}
}
if( typeMask & SQLITE_NAMETYPE_INDEX ){
for(j=sqliteHashFirst(&pDb->pSchema->idxHash); j; j=sqliteHashNext(j)){
Index *p = (Index*)sqliteHashData(j);
addName(&x, p->zName, -1);
}
}
if( typeMask & SQLITE_NAMETYPE_TRIGGER ){
for(j=sqliteHashFirst(&pDb->pSchema->trigHash); j; j=sqliteHashNext(j)){
Trigger *p = (Trigger*)sqliteHashData(j);
addName(&x, p->zName, -1);
}
}
}
}
return sqlite3StrAccumFinish(&x.x);
}
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