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Overview
Comment: | Correctly display P4_ADVANCE values on opcode traces. Mark an always-taken branch in OP_Column as such. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | experimental |
Files: | files | file ages | folders |
SHA1: |
087dc96086fe4e45da93ab6a0d5dda34 |
User & Date: | drh 2011-08-28 00:19:26.614 |
Context
2011-08-28
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02:15 | About a 3% improvement in the performance of OP_Column. (check-in: edff9d4a99 user: drh tags: experimental) | |
00:19 | Correctly display P4_ADVANCE values on opcode traces. Mark an always-taken branch in OP_Column as such. (check-in: 087dc96086 user: drh tags: experimental) | |
2011-08-27
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18:48 | Experimental changes to improve the performance of OP_Next. (check-in: 1a24984525 user: dan tags: experimental) | |
Changes
Changes to src/vdbe.c.
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2169 2170 2171 2172 2173 2174 2175 | assert( (payloadSize64 & SQLITE_MAX_U32)==(u64)payloadSize64 ); payloadSize = (u32)payloadSize64; }else{ assert( sqlite3BtreeCursorIsValid(pCrsr) ); rc = sqlite3BtreeDataSize(pCrsr, &payloadSize); assert( rc==SQLITE_OK ); /* DataSize() cannot fail */ } | | | 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 | assert( (payloadSize64 & SQLITE_MAX_U32)==(u64)payloadSize64 ); payloadSize = (u32)payloadSize64; }else{ assert( sqlite3BtreeCursorIsValid(pCrsr) ); rc = sqlite3BtreeDataSize(pCrsr, &payloadSize); assert( rc==SQLITE_OK ); /* DataSize() cannot fail */ } }else if( ALWAYS(pC->pseudoTableReg>0) ){ pReg = &aMem[pC->pseudoTableReg]; assert( pReg->flags & MEM_Blob ); assert( memIsValid(pReg) ); payloadSize = pReg->n; zRec = pReg->z; pC->cacheStatus = (pOp->p5&OPFLAG_CLEARCACHE) ? CACHE_STALE : p->cacheCtr; assert( payloadSize==0 || zRec!=0 ); |
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Changes to src/vdbeaux.c.
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940 941 942 943 944 945 946 947 948 949 950 951 952 953 | case P4_INTARRAY: { sqlite3_snprintf(nTemp, zTemp, "intarray"); break; } case P4_SUBPROGRAM: { sqlite3_snprintf(nTemp, zTemp, "program"); break; } default: { zP4 = pOp->p4.z; if( zP4==0 ){ zP4 = zTemp; zTemp[0] = 0; } | > > > > | 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 | case P4_INTARRAY: { sqlite3_snprintf(nTemp, zTemp, "intarray"); break; } case P4_SUBPROGRAM: { sqlite3_snprintf(nTemp, zTemp, "program"); break; } case P4_ADVANCE: { zTemp[0] = 0; break; } default: { zP4 = pOp->p4.z; if( zP4==0 ){ zP4 = zTemp; zTemp[0] = 0; } |
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