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Overview
| Comment: | Small simplification to the dbstat virtual table. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9d4c156fa26f80bb8f88b6ad8f24520a |
| User & Date: | drh 2019-01-09 11:06:03 |
Context
|
2019-01-09
| ||
| 11:19 | Improved database corruption detection in the dbstat virtual table. (check-in: fc5ecc88 user: drh tags: trunk) | |
| 11:06 | Small simplification to the dbstat virtual table. (check-in: 9d4c156f user: drh tags: trunk) | |
| 02:02 | Enhance the ALTER TABLE RENAME COLUMN feature so that it works on tables that have redundant UNIQUE and/or PRIMARY KEY constraints. Fix for ticket [bc8d94f0fbd633fd9a051e3] (check-in: f09aa324 user: drh tags: trunk) | |
Changes
Changes to src/dbstat.c.
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int idxNum, const char *idxStr,
int argc, sqlite3_value **argv
){
StatCursor *pCsr = (StatCursor *)pCursor;
StatTable *pTab = (StatTable*)(pCursor->pVtab);
char *zSql;
int rc = SQLITE_OK;
char *zMaster;
if( idxNum==1 ){
const char *zDbase = (const char*)sqlite3_value_text(argv[0]);
pCsr->iDb = sqlite3FindDbName(pTab->db, zDbase);
if( pCsr->iDb<0 ){
sqlite3_free(pCursor->pVtab->zErrMsg);
pCursor->pVtab->zErrMsg = sqlite3_mprintf("no such schema: %s", zDbase);
................................................................................
}
}else{
pCsr->iDb = pTab->iDb;
}
statResetCsr(pCsr);
sqlite3_finalize(pCsr->pStmt);
pCsr->pStmt = 0;
zMaster = pCsr->iDb==1 ? "sqlite_temp_master" : "sqlite_master";
zSql = sqlite3_mprintf(
"SELECT 'sqlite_master' AS name, 1 AS rootpage, 'table' AS type"
" UNION ALL "
"SELECT name, rootpage, type"
" FROM \"%w\".%s WHERE rootpage!=0"
" ORDER BY name", pTab->db->aDb[pCsr->iDb].zDbSName, zMaster);
if( zSql==0 ){
return SQLITE_NOMEM_BKPT;
}else{
rc = sqlite3_prepare_v2(pTab->db, zSql, -1, &pCsr->pStmt, 0);
sqlite3_free(zSql);
}
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int idxNum, const char *idxStr,
int argc, sqlite3_value **argv
){
StatCursor *pCsr = (StatCursor *)pCursor;
StatTable *pTab = (StatTable*)(pCursor->pVtab);
char *zSql;
int rc = SQLITE_OK;
if( idxNum==1 ){
const char *zDbase = (const char*)sqlite3_value_text(argv[0]);
pCsr->iDb = sqlite3FindDbName(pTab->db, zDbase);
if( pCsr->iDb<0 ){
sqlite3_free(pCursor->pVtab->zErrMsg);
pCursor->pVtab->zErrMsg = sqlite3_mprintf("no such schema: %s", zDbase);
................................................................................
}
}else{
pCsr->iDb = pTab->iDb;
}
statResetCsr(pCsr);
sqlite3_finalize(pCsr->pStmt);
pCsr->pStmt = 0;
zSql = sqlite3_mprintf(
"SELECT 'sqlite_master' AS name, 1 AS rootpage, 'table' AS type"
" UNION ALL "
"SELECT name, rootpage, type"
" FROM \"%w\".sqlite_master WHERE rootpage!=0"
" ORDER BY name", pTab->db->aDb[pCsr->iDb].zDbSName);
if( zSql==0 ){
return SQLITE_NOMEM_BKPT;
}else{
rc = sqlite3_prepare_v2(pTab->db, zSql, -1, &pCsr->pStmt, 0);
sqlite3_free(zSql);
}
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