database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-16 23:02:26 +03:00
Code Activity

Enhance the OP_Found and OP_NotFound opcodes so that they can accept an

Browse Source 
array of registers as an unpacked record in addition to a record built
using OP_MakeRecord.  Use this to avoid OP_MakeRecord calls during IN
expression processing.

FossilOrigin-Name: b9eab885cd2ca1a1633329e7036c125e8dba62c5
This commit is contained in:
drh
2009-11-12 19:59:44 +00:00
parent e3365e6c37
commit 8cff69df11
11 changed files with 91 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/where.c
View File

@@ -3119,8 +3119,7 @@ static Bitmask codeOneLoopStart(
testcase( op==OP_SeekGe );
testcase( op==OP_SeekLe );
testcase( op==OP_SeekLt );
sqlite3VdbeAddOp4(v, op, iIdxCur, addrNxt, regBase,
SQLITE_INT_TO_PTR(nConstraint), P4_INT32);
sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint);
/* Load the value for the inequality constraint at the end of the
** range (if any).
@@ -3153,8 +3152,7 @@ static Bitmask codeOneLoopStart(
testcase( op==OP_IdxGE );
testcase( op==OP_IdxLT );
if( op!=OP_Noop ){
sqlite3VdbeAddOp4(v, op, iIdxCur, addrNxt, regBase,
SQLITE_INT_TO_PTR(nConstraint), P4_INT32);
sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint);
sqlite3VdbeChangeP5(v, endEq!=bRev ?1:0);
}
@@ -3283,9 +3281,8 @@ static Bitmask codeOneLoopStart(
int r;
r = sqlite3ExprCodeGetColumn(pParse, pTabItem->pTab, -1, iCur,
regRowid, 0);
sqlite3VdbeAddOp4(v, OP_RowSetTest, regRowset,
sqlite3VdbeCurrentAddr(v)+2,
r, SQLITE_INT_TO_PTR(iSet), P4_INT32);
sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset,
sqlite3VdbeCurrentAddr(v)+2, r, iSet);
}
sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);
@@ -3816,7 +3813,8 @@ WhereInfo *sqlite3WhereBegin(
Bitmask b = pTabItem->colUsed;
int n = 0;
for(; b; b=b>>1, n++){}
sqlite3VdbeChangeP4(v, sqlite3VdbeCurrentAddr(v)-1, SQLITE_INT_TO_PTR(n), P4_INT32);
sqlite3VdbeChangeP4(v, sqlite3VdbeCurrentAddr(v)-1,
SQLITE_INT_TO_PTR(n), P4_INT32);
assert( n<=pTab->nCol );
}
}else{