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Change the OP_Trace opcode to OP_Init and give it the ability to jump to the

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initialization code at the bottom of the program, thus avoiding the need for
an extra OP_Goto.

FossilOrigin-Name: 192dea97316144f15f6dd0eabff08a0bf9ef203e
This commit is contained in:
drh
2014-02-08 01:40:27 +00:00
parent 642364a48b
commit aceb31b120
10 changed files with 61 additions and 117 deletions
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10
src/trigger.c
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@@ -726,15 +726,7 @@ static int codeTriggerProgram(
** INSERT OR IGNORE INTO t1 ... ; -- insert into t2 uses IGNORE policy
*/
pParse->eOrconf = (orconf==OE_Default)?pStep->orconf:(u8)orconf;
/* Clear the cookieGoto flag. When coding triggers, the cookieGoto
** variable is used as a flag to indicate to sqlite3ExprCodeConstants()
** that it is not safe to refactor constants (this happens after the
** start of the first loop in the SQL statement is coded - at that
** point code may be conditionally executed, so it is no longer safe to
** initialize constant register values). */
assert( pParse->cookieGoto==0 || pParse->cookieGoto==-1 );
pParse->cookieGoto = 0;
assert( pParse->okConstFactor==0 );
switch( pStep->op ){
case TK_UPDATE: {