database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-10-27 08:52:26 +03:00
Code Activity

Code cleanup and simplification. Three new Mem opcodes added.

Browse Source 
The sqlite3VdbeJumpHere function added. (CVS 2730)

FossilOrigin-Name: 2471957feee57538e5e1e50a704a337f0927d10e
This commit is contained in:
drh
2005-09-20 17:42:23 +00:00
parent 4f68623875
commit d654be803f
15 changed files with 123 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/insert.c
View File

@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.142 2005/07/21 18:23:20 drh Exp $
** $Id: insert.c,v 1.143 2005/09/20 17:42:23 drh Exp $
*/
#include "sqliteInt.h"
@@ -372,13 +372,13 @@ void sqlite3Insert(
** of the program jumps to it. Create the temporary table, then jump
** back up and execute the SELECT code above.
*/
sqlite3VdbeChangeP2(v, iInitCode, sqlite3VdbeCurrentAddr(v));
sqlite3VdbeJumpHere(v, iInitCode);
sqlite3VdbeAddOp(v, OP_OpenVirtual, srcTab, 0);
sqlite3VdbeAddOp(v, OP_SetNumColumns, srcTab, nColumn);
sqlite3VdbeAddOp(v, OP_Goto, 0, iSelectLoop);
sqlite3VdbeResolveLabel(v, iCleanup);
}else{
sqlite3VdbeChangeP2(v, iInitCode, sqlite3VdbeCurrentAddr(v));
sqlite3VdbeJumpHere(v, iInitCode);
}
}else{
/* This is the case if the data for the INSERT is coming from a VALUES
@@ -470,8 +470,7 @@ void sqlite3Insert(
*/
if( db->flags & SQLITE_CountRows ){
iCntMem = pParse->nMem++;
sqlite3VdbeAddOp(v, OP_Integer, 0, 0);
sqlite3VdbeAddOp(v, OP_MemStore, iCntMem, 1);
sqlite3VdbeAddOp(v, OP_MemInt, 0, iCntMem);
}
/* Open tables and indices if there are no row triggers */
@@ -817,7 +816,6 @@ void sqlite3GenerateConstraintChecks(
Index *pIdx;
int seenReplace = 0;
int jumpInst1=0, jumpInst2;
int contAddr;
int hasTwoRowids = (isUpdate && rowidChng);
v = sqlite3GetVdbe(pParse);
@@ -867,7 +865,7 @@ void sqlite3GenerateConstraintChecks(
break;
}
}
sqlite3VdbeChangeP2(v, addr, sqlite3VdbeCurrentAddr(v));
sqlite3VdbeJumpHere(v, addr);
}
/* Test all CHECK constraints
@@ -921,10 +919,9 @@ void sqlite3GenerateConstraintChecks(
break;
}
}
contAddr = sqlite3VdbeCurrentAddr(v);
sqlite3VdbeChangeP2(v, jumpInst2, contAddr);
sqlite3VdbeJumpHere(v, jumpInst2);
if( isUpdate ){
sqlite3VdbeChangeP2(v, jumpInst1, contAddr);
sqlite3VdbeJumpHere(v, jumpInst1);
sqlite3VdbeAddOp(v, OP_Dup, nCol+1, 1);
sqlite3VdbeAddOp(v, OP_MoveGe, base, 0);
}
@@ -1018,11 +1015,10 @@ void sqlite3GenerateConstraintChecks(
break;
}
}
contAddr = sqlite3VdbeCurrentAddr(v);
#if NULL_DISTINCT_FOR_UNIQUE
sqlite3VdbeChangeP2(v, jumpInst1, contAddr);
sqlite3VdbeJumpHere(v, jumpInst1);
#endif
sqlite3VdbeChangeP2(v, jumpInst2, contAddr);
sqlite3VdbeJumpHere(v, jumpInst2);
}
}