[tarantool-patches] [PATCH v1 3/4] sql: got rid of redundant MASKBIT32 definition

[Kirill Shcherbatov <kshcherbatov@tarantool.org>]

MASK BIT 32 macro is now redundant, so we got rid of it.
Also refactored related code to use core bitmasks helpers

Part of #3571
---
 src/box/sql/expr.c      | 22 ++++++++++++----------
 src/box/sql/sqliteInt.h |  1 -
 src/box/sql/vdbeaux.c   |  7 +++----
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/box/sql/expr.c b/src/box/sql/expr.c
index d83be5101..cf82bd366 100644
--- a/src/box/sql/expr.c
+++ b/src/box/sql/expr.c
@@ -3963,7 +3963,11 @@ sqlite3ExprCodeTarget(Parse * pParse, Expr * pExpr, int target)
 			int nFarg;	/* Number of function arguments */
 			FuncDef *pDef;	/* The function definition object */
 			const char *zId;	/* The function name */
-			u32 constMask = 0;	/* Mask of function arguments that are constant */
+			/*
+			 * Mask of function arguments that are
+			 * constant.
+			 */
+			uint32_t const_mask = 0;
 			int i;	/* Loop counter */
 			sqlite3 *db = pParse->db;	/* The database connection */
 			struct coll *coll = NULL;
@@ -4038,11 +4042,10 @@ sqlite3ExprCodeTarget(Parse * pParse, Expr * pExpr, int target)
 			}
 
 			for (i = 0; i < nFarg; i++) {
-				if (i < 32
-				    && sqlite3ExprIsConstant(pFarg->a[i].
-							     pExpr)) {
-					testcase(i == 31);
-					constMask |= MASKBIT32(i);
+				if (i < 32 &&
+				    sqlite3ExprIsConstant(pFarg->a[i].pExpr)) {
+					column_mask_set_fieldno((uint64_t *)
+								&const_mask, i);
 				}
 				if ((pDef->funcFlags & SQLITE_FUNC_NEEDCOLL) !=
 				    0 && coll == NULL) {
@@ -4054,7 +4057,7 @@ sqlite3ExprCodeTarget(Parse * pParse, Expr * pExpr, int target)
 				}
 			}
 			if (pFarg) {
-				if (constMask) {
+				if (const_mask != 0) {
 					r1 = pParse->nMem + 1;
 					pParse->nMem += nFarg;
 				} else {
@@ -4102,12 +4105,11 @@ sqlite3ExprCodeTarget(Parse * pParse, Expr * pExpr, int target)
 				sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0,
 						  (char *)coll, P4_COLLSEQ);
 			}
-			sqlite3VdbeAddOp4(v, OP_Function0, constMask, r1,
+			sqlite3VdbeAddOp4(v, OP_Function0, const_mask, r1,
 					  target, (char *)pDef, P4_FUNCDEF);
 			sqlite3VdbeChangeP5(v, (u8) nFarg);
-			if (nFarg && constMask == 0) {
+			if (nFarg && const_mask == 0)
 				sqlite3ReleaseTempRange(pParse, r1, nFarg);
-			}
 			return target;
 		}
 	case TK_EXISTS:
diff --git a/src/box/sql/sqliteInt.h b/src/box/sql/sqliteInt.h
index 4280c1938..913d3f9ac 100644
--- a/src/box/sql/sqliteInt.h
+++ b/src/box/sql/sqliteInt.h
@@ -2307,7 +2307,6 @@ typedef u64 Bitmask;
  * A bit in a Bitmask
  */
 #define MASKBIT(n)   (((Bitmask)1)<<(n))
-#define MASKBIT32(n) (((unsigned int)1)<<(n))
 #define ALLBITS      ((Bitmask)-1)
 
 /*
diff --git a/src/box/sql/vdbeaux.c b/src/box/sql/vdbeaux.c
index 975f114df..af57c244b 100644
--- a/src/box/sql/vdbeaux.c
+++ b/src/box/sql/vdbeaux.c
@@ -2698,10 +2698,9 @@ sqlite3VdbeDeleteAuxData(sqlite3 * db, AuxData ** pp, int iOp, int mask)
 {
 	while (*pp) {
 		AuxData *pAux = *pp;
-		if ((iOp < 0)
-		    || (pAux->iOp == iOp
-			&& (pAux->iArg > 31 || !(mask & MASKBIT32(pAux->iArg))))
-		    ) {
+		if (iOp < 0 || (pAux->iOp == iOp &&
+		    (pAux->iArg >= 32 ||
+		    (mask & COLUMN_MASK_BIT(pAux->iArg)) == 0))) {
 			testcase(pAux->iArg == 31);
 			if (pAux->xDelete) {
 				pAux->xDelete(pAux->pAux);
-- 
2.20.1