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Structural coverage tests for vdbeblob.c. Including experimental new API sqlite3_blob_reopen().

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FossilOrigin-Name: 97c6b2616ddcce2337778c6ee88a973cc4fe999d
This commit is contained in:
dan
2010-10-26 18:42:52 +00:00
parent e3d82a8723
commit 61c7f59c10
6 changed files with 448 additions and 58 deletions
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26
src/vdbeblob.c
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@@ -150,12 +150,11 @@ int sqlite3_blob_open(
{OP_Halt, 0, 0, 0}, /* 11 */
};
Vdbe *v = 0;
int rc = SQLITE_OK;
char *zErr = 0;
Table *pTab;
Parse *pParse;
Incrblob *pBlob;
Parse *pParse = 0;
Incrblob *pBlob = 0;
flags = !!flags; /* flags = (flags ? 1 : 0); */
*ppBlob = 0;
@@ -163,15 +162,15 @@ int sqlite3_blob_open(
sqlite3_mutex_enter(db->mutex);
pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob));
if( !pBlob ) goto blob_open_out;
pParse = sqlite3StackAllocRaw(db, sizeof(*pParse));
if( pParse==0 || pBlob==0 ){
assert( db->mallocFailed );
goto blob_open_out;
}
if( !pParse ) goto blob_open_out;
do {
memset(pParse, 0, sizeof(Parse));
pParse->db = db;
sqlite3DbFree(db, zErr);
zErr = 0;
sqlite3BtreeEnterAll(db);
pTab = sqlite3LocateTable(pParse, 0, zTable, zDb);
@@ -197,7 +196,7 @@ int sqlite3_blob_open(
}
/* Now search pTab for the exact column. */
for(iCol=0; iCol < pTab->nCol; iCol++) {
for(iCol=0; iCol<pTab->nCol; iCol++) {
if( sqlite3StrICmp(pTab->aCol[iCol].zName, zColumn)==0 ){
break;
}
@@ -251,11 +250,15 @@ int sqlite3_blob_open(
}
}
v = sqlite3VdbeCreate(db);
if( v ){
pBlob->pStmt = (sqlite3_stmt *)sqlite3VdbeCreate(db);
assert( pBlob->pStmt || db->mallocFailed );
if( pBlob->pStmt ){
Vdbe *v = (Vdbe *)pBlob->pStmt;
int iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
sqlite3VdbeAddOpList(v, sizeof(openBlob)/sizeof(VdbeOpList), openBlob);
/* Configure the OP_Transaction */
sqlite3VdbeChangeP1(v, 0, iDb);
sqlite3VdbeChangeP2(v, 0, flags);
@@ -298,11 +301,9 @@ int sqlite3_blob_open(
}
pBlob->flags = flags;
pBlob->pStmt = (sqlite3_stmt *)v;
pBlob->iCol = iCol;
pBlob->db = db;
sqlite3BtreeLeaveAll(db);
v = 0;
if( db->mallocFailed ){
goto blob_open_out;
}
@@ -314,7 +315,6 @@ blob_open_out:
if( rc==SQLITE_OK && db->mallocFailed==0 ){
*ppBlob = (sqlite3_blob *)pBlob;
}else{
if( v ) sqlite3VdbeFinalize(v);
if( pBlob && pBlob->pStmt ) sqlite3VdbeFinalize((Vdbe *)pBlob->pStmt);
sqlite3DbFree(db, pBlob);
}