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Fix harmless compiler warnings that surface in newer versions of GCC.

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FossilOrigin-Name: 9d670a318381f219b467653f5f9539097808b887ae37291ce13be462dedfb18d
This commit is contained in:
drh
2020-08-10 14:18:00 +00:00
parent ed0af52cb1
commit 08b9208660
18 changed files with 95 additions and 54 deletions
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16
src/expr.c
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@@ -2029,7 +2029,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){
if( sqlite3ExprIdToTrueFalse(pExpr) ){
return WRC_Prune;
}
/* Fall thru */
/* no break */ deliberate_fall_through
case TK_COLUMN:
case TK_AGG_FUNCTION:
case TK_AGG_COLUMN:
@@ -2043,7 +2043,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){
if( pWalker->eCode==3 && pExpr->iTable==pWalker->u.iCur ){
return WRC_Continue;
}
/* Fall through */
/* no break */ deliberate_fall_through
case TK_IF_NULL_ROW:
case TK_REGISTER:
case TK_DOT:
@@ -2064,7 +2064,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){
pWalker->eCode = 0;
return WRC_Abort;
}
/* Fall through */
/* no break */ deliberate_fall_through
default:
testcase( pExpr->op==TK_SELECT ); /* sqlite3SelectWalkFail() disallows */
testcase( pExpr->op==TK_EXISTS ); /* sqlite3SelectWalkFail() disallows */
@@ -3836,6 +3836,7 @@ expr_code_doover:
return target;
}
/* Otherwise, fall thru into the TK_COLUMN case */
/* no break */ deliberate_fall_through
}
case TK_COLUMN: {
int iTab = pExpr->iTable;
@@ -4901,7 +4902,7 @@ void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int jumpIfNull){
testcase( op==TK_ISNOT );
op = (op==TK_IS) ? TK_EQ : TK_NE;
jumpIfNull = SQLITE_NULLEQ;
/* Fall thru */
/* no break */ deliberate_fall_through
case TK_LT:
case TK_LE:
case TK_GT:
@@ -5077,7 +5078,7 @@ void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int jumpIfNull){
testcase( pExpr->op==TK_ISNOT );
op = (pExpr->op==TK_IS) ? TK_NE : TK_EQ;
jumpIfNull = SQLITE_NULLEQ;
/* Fall thru */
/* no break */ deliberate_fall_through
case TK_LT:
case TK_LE:
case TK_GT:
@@ -5389,13 +5390,13 @@ static int exprImpliesNotNull(
case TK_RSHIFT:
case TK_CONCAT:
seenNot = 1;
/* Fall thru */
/* no break */ deliberate_fall_through
case TK_STAR:
case TK_REM:
case TK_BITAND:
case TK_SLASH: {
if( exprImpliesNotNull(pParse, p->pRight, pNN, iTab, seenNot) ) return 1;
/* Fall thru into the next case */
/* no break */ deliberate_fall_through
}
case TK_SPAN:
case TK_COLLATE:
@@ -5544,6 +5545,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){
){
return WRC_Prune;
}
/* no break */ deliberate_fall_through
}
default:
return WRC_Continue;