[tarantool-patches] [PATCH v1 10/12] sql: remove field errCode from struct sql

[imeevma@tarantool.org]

This field became unusued and should be removed.
---
 src/box/sql/main.c    | 18 ------------------
 src/box/sql/prepare.c |  2 --
 src/box/sql/sqlInt.h  |  1 -
 src/box/sql/util.c    |  2 --
 src/box/sql/vdbeapi.c |  1 -
 5 files changed, 24 deletions(-)

diff --git a/src/box/sql/main.c b/src/box/sql/main.c
index a3c6aa1..155cbcc 100644
--- a/src/box/sql/main.c
+++ b/src/box/sql/main.c
@@ -568,22 +568,6 @@ sqlTempInMemory(const sql * db)
 }
 
 /*
- * Return the most recent error code generated by an sql routine. If NULL is
- * passed to this function, we assume a malloc() failed during sql_open().
- */
-int
-sql_errcode(sql * db)
-{
-	if (db && !sqlSafetyCheckSickOrOk(db)) {
-		return SQL_MISUSE;
-	}
-	if (!db || db->mallocFailed) {
-		return SQL_NOMEM;
-	}
-	return db->errCode & db->errMask;
-}
-
-/*
  * This array defines hard upper bounds on limit values.  The
  * initializer must be kept in sync with the SQL_LIMIT_*
  * #defines in sql.h.
@@ -734,7 +718,6 @@ sql_init_db(sql **out_db)
 	 */
 	sqlError(db, SQL_OK);
 	sqlRegisterPerConnectionBuiltinFunctions(db);
-	rc = sql_errcode(db);
 
 	if (rc)
 		sqlError(db, rc);
@@ -744,7 +727,6 @@ sql_init_db(sql **out_db)
 		       sqlGlobalConfig.nLookaside);
 
 opendb_out:
-	rc = sql_errcode(db);
 	assert(db != 0 || rc == SQL_NOMEM);
 	if (rc == SQL_NOMEM) {
 		sql_close(db);
diff --git a/src/box/sql/prepare.c b/src/box/sql/prepare.c
index 3df6b5c..3f1e1e0 100644
--- a/src/box/sql/prepare.c
+++ b/src/box/sql/prepare.c
@@ -166,8 +166,6 @@ sqlPrepare(sql * db,	/* Database handle. */
 		*ppStmt = (sql_stmt *) sParse.pVdbe;
 	}
 
-	db->errCode = rc;
-
 	/* Delete any TriggerPrg structures allocated while parsing this statement. */
 	while (sParse.pTriggerPrg) {
 		TriggerPrg *pT = sParse.pTriggerPrg;
diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h
index 1af5457..e6de71c 100644
--- a/src/box/sql/sqlInt.h
+++ b/src/box/sql/sqlInt.h
@@ -1428,7 +1428,6 @@ struct sql {
 	struct Vdbe *pVdbe;	/* List of active virtual machines */
 	struct coll *pDfltColl;	/* The default collating sequence (BINARY) */
 	i64 szMmap;		/* Default mmap_size setting */
-	int errCode;		/* Most recent error code (sql_*) */
 	int errMask;		/* & result codes with this before returning */
 	int iSysErrno;		/* Errno value from last system error */
 	u16 dbOptFlags;		/* Flags to enable/disable optimizations */
diff --git a/src/box/sql/util.c b/src/box/sql/util.c
index 62c29ce..819f7fa 100644
--- a/src/box/sql/util.c
+++ b/src/box/sql/util.c
@@ -150,7 +150,6 @@ void
 sqlError(sql * db, int err_code)
 {
 	assert(db != 0);
-	db->errCode = err_code;
 	if (err_code)
 		sqlErrorFinish(db, err_code);
 }
@@ -195,7 +194,6 @@ void
 sqlErrorWithMsg(sql * db, int err_code, const char *zFormat, ...)
 {
 	assert(db != 0);
-	db->errCode = err_code;
 	sqlSystemError(db, err_code);
 	if (zFormat == 0)
 		sqlError(db, err_code);
diff --git a/src/box/sql/vdbeapi.c b/src/box/sql/vdbeapi.c
index 34fa5c8..5a859fe 100644
--- a/src/box/sql/vdbeapi.c
+++ b/src/box/sql/vdbeapi.c
@@ -564,7 +564,6 @@ sqlStep(Vdbe * p)
 		checkProfileCallback(db, p);
 #endif
 
-	db->errCode = rc;
 	if (SQL_NOMEM == sqlApiExit(p->db, p->rc)) {
 		p->rc = SQL_NOMEM;
 	}
-- 
2.7.4