From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 59F9D2E6C2 for ; Mon, 10 Jun 2019 09:57:01 -0400 (EDT) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing.freelists.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YwvDole2aYE5 for ; Mon, 10 Jun 2019 09:57:00 -0400 (EDT) Received: from smtp62.i.mail.ru (smtp62.i.mail.ru [217.69.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTPS id 7925D2E606 for ; Mon, 10 Jun 2019 09:57:00 -0400 (EDT) From: imeevma@tarantool.org Subject: [tarantool-patches] [PATCH v1 20/28] sql: remove SQL_NOMEM errcode Date: Mon, 10 Jun 2019 16:56:58 +0300 Message-Id: <10d40ffa969dcc9a3f49fd0b4dbecefe9d7fdbc7.1560174553.git.imeevma@gmail.com> In-Reply-To: References: Sender: tarantool-patches-bounce@freelists.org Errors-to: tarantool-patches-bounce@freelists.org Reply-To: tarantool-patches@freelists.org List-Help: List-Unsubscribe: List-software: Ecartis version 1.0.0 List-Id: tarantool-patches List-Subscribe: List-Owner: List-post: List-Archive: To: v.shpilevoy@tarantool.org Cc: tarantool-patches@freelists.org Removing this error code is part of getting rid of the SQL error system. --- src/box/sql/fault.c | 4 ++-- src/box/sql/func.c | 14 ++++---------- src/box/sql/legacy.c | 1 - src/box/sql/main.c | 26 ++++++++++--------------- src/box/sql/malloc.c | 7 ++----- src/box/sql/os.c | 4 ++-- src/box/sql/os_unix.c | 4 ++-- src/box/sql/select.c | 11 +++++------ src/box/sql/sqlInt.h | 4 +--- src/box/sql/vdbe.c | 14 +++----------- src/box/sql/vdbeapi.c | 52 ++------------------------------------------------ src/box/sql/vdbeaux.c | 48 ++++++++++++++++------------------------------ src/box/sql/vdbemem.c | 25 ++++++++++++------------ src/box/sql/vdbesort.c | 46 +++++++++++++++++++++----------------------- src/box/sql/where.c | 12 ++++++------ 15 files changed, 89 insertions(+), 183 deletions(-) diff --git a/src/box/sql/fault.c b/src/box/sql/fault.c index 8ee774e..0e0978d 100644 --- a/src/box/sql/fault.c +++ b/src/box/sql/fault.c @@ -37,8 +37,8 @@ * and returns 0). * * Most malloc failures are non-benign. After they occur, sql - * abandons the current operation and returns an error code (usually - * SQL_NOMEM) to the user. However, sometimes a fault is not necessarily + * abandons the current operation and returns an -1 + * to the user. However, sometimes a fault is not necessarily * fatal. For example, if a malloc fails while resizing a hash table, this * is completely recoverable simply by not carrying out the resize. The * hash table will continue to function normally. So a malloc failure diff --git a/src/box/sql/func.c b/src/box/sql/func.c index 29712e0..994d97e 100644 --- a/src/box/sql/func.c +++ b/src/box/sql/func.c @@ -1799,14 +1799,11 @@ static inline int sql_overload_function(sql * db, const char *zName, enum field_type type, int nArg) { - int rc = 0; - if (sqlFindFunction(db, zName, nArg, 0) == 0) { - rc = sqlCreateFunc(db, zName, type, nArg, 0, 0, - sqlInvalidFunction, 0, 0, 0); + return sqlCreateFunc(db, zName, type, nArg, 0, 0, + sqlInvalidFunction, 0, 0, 0); } - rc = sqlApiExit(db, rc); - return rc; + return 0; } /* @@ -1817,11 +1814,8 @@ sql_overload_function(sql * db, const char *zName, void sqlRegisterPerConnectionBuiltinFunctions(sql * db) { - int rc = sql_overload_function(db, "MATCH", FIELD_TYPE_SCALAR, 2); - assert(rc == SQL_NOMEM || rc == 0); - if (rc == SQL_NOMEM) { + if (sql_overload_function(db, "MATCH", FIELD_TYPE_SCALAR, 2) != 0) sqlOomFault(db); - } } /* diff --git a/src/box/sql/legacy.c b/src/box/sql/legacy.c index 3101428..df40032 100644 --- a/src/box/sql/legacy.c +++ b/src/box/sql/legacy.c @@ -162,7 +162,6 @@ sql_exec(sql * db, /* The database on which the SQL executes */ sqlVdbeFinalize((Vdbe *) pStmt); sqlDbFree(db, azCols); - rc = sqlApiExit(db, rc); assert(rc == 0); assert((rc & db->errMask) == rc); return rc; diff --git a/src/box/sql/main.c b/src/box/sql/main.c index 8474836..e6d3a3d 100644 --- a/src/box/sql/main.c +++ b/src/box/sql/main.c @@ -525,16 +525,16 @@ int sql_init_db(sql **out_db) { sql *db; - int rc; /* Return code */ - rc = sql_initialize(); - if (rc) - return rc; + if (sql_initialize()) + return -1; /* Allocate the sql data structure */ db = sqlMallocZero(sizeof(sql)); - if (db == 0) - goto opendb_out; + if (db == NULL) { + *out_db = NULL; + return -1; + } db->errMask = 0xff; db->magic = SQL_MAGIC_BUSY; @@ -549,7 +549,9 @@ sql_init_db(sql **out_db) db->magic = SQL_MAGIC_OPEN; if (db->mallocFailed) { - goto opendb_out; + sql_free(db); + *out_db = NULL; + return -1; } /* Register all built-in functions, but do not attempt to read the @@ -558,16 +560,8 @@ sql_init_db(sql **out_db) */ sqlRegisterPerConnectionBuiltinFunctions(db); -opendb_out: - assert(db != 0 || rc == SQL_NOMEM); - if (rc == SQL_NOMEM) - db = NULL; - else if (rc != 0) - db->magic = SQL_MAGIC_SICK; - *out_db = db; - - return rc; + return 0; } /* diff --git a/src/box/sql/malloc.c b/src/box/sql/malloc.c index 8830cc8..4b8ef8f 100644 --- a/src/box/sql/malloc.c +++ b/src/box/sql/malloc.c @@ -765,7 +765,7 @@ static SQL_NOINLINE int apiOomError(sql * db) { sqlOomClear(db); - return SQL_NOMEM; + return -1; } /* @@ -774,10 +774,7 @@ apiOomError(sql * db) * sql_realloc. * * The returned value is normally a copy of the second argument to this - * function. However, if a malloc() failure has occurred since the previous - * invocation SQL_NOMEM is returned instead. - * - * If an OOM as occurred, SQL_NOMEM is returned. + * function. */ int sqlApiExit(sql * db, int rc) diff --git a/src/box/sql/os.c b/src/box/sql/os.c index 273aa6b..9f45eba 100644 --- a/src/box/sql/os.c +++ b/src/box/sql/os.c @@ -170,7 +170,7 @@ sqlOsOpenMalloc(sql_vfs * pVfs, *ppFile = pFile; } } else { - rc = SQL_NOMEM; + rc = -1; } return rc; } @@ -194,7 +194,7 @@ sqlOsInit(void) { void *p = sql_malloc(10); if (p == 0) - return SQL_NOMEM; + return -1; sql_free(p); return sql_os_init(); } diff --git a/src/box/sql/os_unix.c b/src/box/sql/os_unix.c index 8b3aec1..e2bda51 100644 --- a/src/box/sql/os_unix.c +++ b/src/box/sql/os_unix.c @@ -409,7 +409,7 @@ findInodeInfo(unixFile * pFile, /* Unix file with file desc used in the key */ if (pInode == 0) { pInode = sql_malloc64(sizeof(*pInode)); if (pInode == 0) { - return SQL_NOMEM; + return -1; } memset(pInode, 0, sizeof(*pInode)); memcpy(&pInode->fileId, &fileId, sizeof(fileId)); @@ -1697,7 +1697,7 @@ unixOpen(sql_vfs * pVfs, /* The VFS for which this is the xOpen method */ } else { pUnused = sql_malloc64(sizeof(*pUnused)); if (!pUnused) { - return SQL_NOMEM; + return -1; } } p->pUnused = pUnused; diff --git a/src/box/sql/select.c b/src/box/sql/select.c index a1bed97..2ecad78 100644 --- a/src/box/sql/select.c +++ b/src/box/sql/select.c @@ -1822,7 +1822,7 @@ generateColumnNames(Parse * pParse, /* Parser context */ * and other fields of Column are zeroed. * * Return 0 on success. If a memory allocation error occurs, - * store NULL in *paCol and 0 in *pnCol and return SQL_NOMEM. + * store NULL in *paCol and 0 in *pnCol and return -1. */ int sqlColumnsFromExprList(Parse * parse, ExprList * expr_list, @@ -1925,17 +1925,16 @@ sqlColumnsFromExprList(Parse * parse, ExprList * expr_list, } cleanup: sqlHashClear(&ht); - int rc = db->mallocFailed ? SQL_NOMEM : 0; - if (rc != 0) { + if (db->mallocFailed) { /* * pTable->def could be not temporal in * sqlViewGetColumnNames so we need clean-up. */ space_def->fields = NULL; space_def->field_count = 0; - rc = SQL_NOMEM; + return -1; } - return rc; + return 0; } @@ -4636,7 +4635,7 @@ withExpand(Walker * pWalker, struct SrcList_item *pFrom) return WRC_Abort; pFrom->pSelect = sqlSelectDup(db, pCte->pSelect, 0); if (db->mallocFailed) - return SQL_NOMEM; + return -1; assert(pFrom->pSelect); /* Check if this is a recursive CTE. */ diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h index 3aabcb2..0743952 100644 --- a/src/box/sql/sqlInt.h +++ b/src/box/sql/sqlInt.h @@ -356,10 +356,8 @@ struct sql_vfs { #define SQL_LIMIT_WORKER_THREADS 10 enum sql_ret_code { - /** A malloc() failed. */ - SQL_NOMEM = 2, /** Some kind of disk I/O error occurred. */ - SQL_IOERR, + SQL_IOERR = 3, /** Abort due to constraint violation. */ SQL_TARANTOOL_ERROR, /** sql_step() has another row ready. */ diff --git a/src/box/sql/vdbe.c b/src/box/sql/vdbe.c index c8ca8c4..c592518 100644 --- a/src/box/sql/vdbe.c +++ b/src/box/sql/vdbe.c @@ -703,7 +703,7 @@ vdbe_field_ref_fetch(struct vdbe_field_ref *field_ref, uint32_t fieldno, int len = dest_mem->n; if (dest_mem->szMalloc < len + 1) { if (sqlVdbeMemGrow(dest_mem, len + 1, 1) != 0) - return SQL_NOMEM; + return SQL_TARANTOOL_ERROR; } else { dest_mem->z = memcpy(dest_mem->zMalloc, dest_mem->z, len); @@ -746,12 +746,6 @@ int sqlVdbeExec(Vdbe *p) /*** INSERT STACK UNION HERE ***/ assert(p->magic==VDBE_MAGIC_RUN); /* sql_step() verifies this */ - if (p->rc==SQL_NOMEM) { - /* This happens if a malloc() inside a call to sql_column_text() or - * sql_column_text16() failed. - */ - goto no_mem; - } assert(p->rc == 0); p->rc = 0; p->iCurrentTime = 0; @@ -2624,8 +2618,7 @@ case OP_Column: { } struct Mem *default_val_mem = pOp->p4type == P4_MEM ? pOp->p4.pMem : NULL; - rc = vdbe_field_ref_fetch(&pC->field_ref, p2, pDest); - if (rc != 0) + if (vdbe_field_ref_fetch(&pC->field_ref, p2, pDest) != 0) goto abort_due_to_error; if ((pDest->flags & MEM_Null) && @@ -2658,8 +2651,7 @@ case OP_Fetch: { uint32_t field_idx = pOp->p2; struct Mem *dest_mem = &aMem[pOp->p3]; memAboutToChange(p, dest_mem); - rc = vdbe_field_ref_fetch(field_ref, field_idx, dest_mem); - if (rc != 0) + if (vdbe_field_ref_fetch(field_ref, field_idx, dest_mem) != 0) goto abort_due_to_error; REGISTER_TRACE(p, pOp->p3, dest_mem); break; diff --git a/src/box/sql/vdbeapi.c b/src/box/sql/vdbeapi.c index db8687b..336dc3b 100644 --- a/src/box/sql/vdbeapi.c +++ b/src/box/sql/vdbeapi.c @@ -422,8 +422,8 @@ sqlStep(Vdbe * p) /* Check that malloc() has not failed. If it has, return early. */ db = p->db; if (db->mallocFailed) { - p->rc = SQL_NOMEM; - return SQL_NOMEM; + p->rc = -1; + return -1; } if (p->pc <= 0 && p->expired) { @@ -458,9 +458,6 @@ sqlStep(Vdbe * p) checkProfileCallback(db, p); #endif - if (SQL_NOMEM == sqlApiExit(p->db, p->rc)) { - p->rc = SQL_NOMEM; - } if (p->isPrepareV2 && rc != SQL_ROW && rc != SQL_DONE) { /* If this statement was prepared using sql_prepare_v2(), and an * error has occurred, then return the error code in p->rc to the @@ -686,38 +683,6 @@ columnMem(sql_stmt * pStmt, int i) return pOut; } -/* - * This function is called after invoking an sql_value_XXX function on a - * column value (i.e. a value returned by evaluating an SQL expression in the - * select list of a SELECT statement) that may cause a malloc() failure. If - * malloc() has failed, the threads mallocFailed flag is cleared and the result - * code of statement pStmt set to SQL_NOMEM. - * - * Specifically, this is called from within: - * - * sql_column_int() - * sql_column_int64() - * sql_column_text() - * sql_column_real() - * sql_column_bytes() - * sql_column_bytes16() - * sqiite3_column_blob() - */ -static void -columnMallocFailure(sql_stmt * pStmt) -{ - /* If malloc() failed during an encoding conversion within an - * sql_column_XXX API, then set the return code of the statement to - * SQL_NOMEM. The next call to _step() (if any) will return -1 - * and _finalize() will return NOMEM. - */ - Vdbe *p = (Vdbe *) pStmt; - if (p) { - assert(p->db != 0); - p->rc = sqlApiExit(p->db, p->rc); - } -} - /**************************** sql_column_ ****************************** * The following routines are used to access elements of the current row * in the result set. @@ -727,11 +692,6 @@ sql_column_blob(sql_stmt * pStmt, int i) { const void *val; val = sql_value_blob(columnMem(pStmt, i)); - /* Even though there is no encoding conversion, value_blob() might - * need to call malloc() to expand the result of a zeroblob() - * expression. - */ - columnMallocFailure(pStmt); return val; } @@ -739,7 +699,6 @@ int sql_column_bytes(sql_stmt * pStmt, int i) { int val = sql_value_bytes(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return val; } @@ -747,7 +706,6 @@ double sql_column_double(sql_stmt * pStmt, int i) { double val = sql_value_double(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return val; } @@ -755,7 +713,6 @@ int sql_column_int(sql_stmt * pStmt, int i) { int val = sql_value_int(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return val; } @@ -763,7 +720,6 @@ bool sql_column_boolean(struct sql_stmt *stmt, int i) { bool val = sql_value_boolean(columnMem(stmt, i)); - columnMallocFailure(stmt); return val; } @@ -771,7 +727,6 @@ sql_int64 sql_column_int64(sql_stmt * pStmt, int i) { sql_int64 val = sql_value_int64(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return val; } @@ -779,7 +734,6 @@ const unsigned char * sql_column_text(sql_stmt * pStmt, int i) { const unsigned char *val = sql_value_text(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return val; } @@ -791,7 +745,6 @@ sql_column_value(sql_stmt * pStmt, int i) pOut->flags &= ~MEM_Static; pOut->flags |= MEM_Ephem; } - columnMallocFailure(pStmt); return (sql_value *) pOut; } @@ -799,7 +752,6 @@ enum mp_type sql_column_type(sql_stmt * pStmt, int i) { enum mp_type type = sql_value_type(columnMem(pStmt, i)); - columnMallocFailure(pStmt); return type; } diff --git a/src/box/sql/vdbeaux.c b/src/box/sql/vdbeaux.c index e056c40..7408b9f 100644 --- a/src/box/sql/vdbeaux.c +++ b/src/box/sql/vdbeaux.c @@ -163,7 +163,7 @@ sqlVdbeSwap(Vdbe * pA, Vdbe * pB) * to 1024/sizeof(Op). * * If an out-of-memory error occurs while resizing the array, return - * SQL_NOMEM. In this case Vdbe.aOp and Parse.nOpAlloc remain + * -1. In this case Vdbe.aOp and Parse.nOpAlloc remain * unchanged (this is so that any opcodes already allocated can be * correctly deallocated along with the rest of the Vdbe). */ @@ -195,8 +195,9 @@ growOpArray(Vdbe * v, int nOp) p->szOpAlloc = sqlDbMallocSize(pNew); p->nOpAlloc = p->szOpAlloc / sizeof(Op); v->aOp = pNew; + return 0; } - return (pNew ? 0 : SQL_NOMEM); + return -1; } #ifdef SQL_DEBUG @@ -1413,14 +1414,12 @@ sqlVdbeList(Vdbe * p) int nSub = 0; /* Number of sub-vdbes seen so far */ SubProgram **apSub = 0; /* Array of sub-vdbes */ Mem *pSub = 0; /* Memory cell hold array of subprogs */ - sql *db = p->db; /* The database connection */ int i; /* Loop counter */ int rc = 0; /* Return code */ Mem *pMem = &p->aMem[1]; /* First Mem of result set */ assert(p->explain); assert(p->magic == VDBE_MAGIC_RUN); - assert(p->rc == 0 || p->rc == SQL_NOMEM); /* Even though this opcode does not use dynamic strings for * the result, result columns may become dynamic if the user calls @@ -1429,14 +1428,6 @@ sqlVdbeList(Vdbe * p) releaseMemArray(pMem, 8); p->pResultSet = 0; - if (p->rc == SQL_NOMEM) { - /* This happens if a malloc() inside a call to sql_column_text() or - * sql_column_text16() failed. - */ - sqlOomFault(db); - return -1; - } - /* When the number of output rows reaches nRow, that means the * listing has finished and sql_step() should return SQL_DONE. * nRow is the sum of the number of rows in the main program, plus @@ -2019,7 +2010,7 @@ sqlVdbeSetColName(Vdbe * p, /* Vdbe being configured */ assert(var < COLNAME_N); if (p->db->mallocFailed) { assert(!zName || xDel != SQL_DYNAMIC); - return SQL_NOMEM; + return -1; } assert(p->aColName != 0); assert(var == COLNAME_NAME || var == COLNAME_DECLTYPE); @@ -2173,7 +2164,6 @@ sqlVdbeHalt(Vdbe * p) * * If any of the following errors occur: * - * SQL_NOMEM * SQL_IOERR * * Then the internal cache might have been left in an inconsistent @@ -2182,7 +2172,7 @@ sqlVdbeHalt(Vdbe * p) */ if (db->mallocFailed) { - p->rc = SQL_NOMEM; + p->rc = -1; } closeTopFrameCursors(p); if (p->magic != VDBE_MAGIC_RUN) { @@ -2200,7 +2190,7 @@ sqlVdbeHalt(Vdbe * p) /* Check for one of the special errors */ mrc = p->rc & 0xff; - isSpecialError = mrc == SQL_NOMEM || mrc == SQL_IOERR; + isSpecialError = mrc == SQL_IOERR; if (isSpecialError) { /* At least a savepoint transaction must be rolled back * to restore the database to a consistent state. @@ -2211,20 +2201,14 @@ sqlVdbeHalt(Vdbe * p) * file as part of an effort to free up cache space (see function * pagerStress() in pager.c), the rollback is required to restore * the pager to a consistent state. + * We are forced to roll back the active transaction. Before doing + * so, abort any other statements this handle currently has active. */ - if ((mrc == SQL_NOMEM) - && box_txn()) { - eStatementOp = SAVEPOINT_ROLLBACK; - } else { - /* We are forced to roll back the active transaction. Before doing - * so, abort any other statements this handle currently has active. - */ - box_txn_rollback(); - closeCursorsAndFree(p); - sqlRollbackAll(p); - sqlCloseSavepoints(p); - p->nChange = 0; - } + box_txn_rollback(); + closeCursorsAndFree(p); + sqlRollbackAll(p); + sqlCloseSavepoints(p); + p->nChange = 0; } /* Check for immediate foreign key violations. */ @@ -2333,7 +2317,7 @@ sqlVdbeHalt(Vdbe * p) p->magic = VDBE_MAGIC_HALT; checkActiveVdbeCnt(db); if (db->mallocFailed) { - p->rc = SQL_NOMEM; + p->rc = -1; } assert(db->nVdbeActive > 0 || box_txn() || @@ -2974,7 +2958,7 @@ sql_vdbe_mem_alloc_region(Mem *vdbe_mem, uint32_t size) vdbe_mem->n = size; vdbe_mem->z = region_alloc(&fiber()->gc, size); if (vdbe_mem->z == NULL) - return SQL_NOMEM; + return -1; vdbe_mem->flags = MEM_Ephem | MEM_Blob; assert(sqlVdbeCheckMemInvariants(vdbe_mem)); return 0; @@ -2991,7 +2975,7 @@ sql_vdbe_mem_alloc_region(Mem *vdbe_mem, uint32_t size) static int vdbeCompareMemString(const Mem * pMem1, const Mem * pMem2, const struct coll * pColl, - u8 * prcErr) /* If an OOM occurs, set to SQL_NOMEM */ + u8 * prcErr) { (void) prcErr; return pColl->cmp(pMem1->z, (size_t)pMem1->n, diff --git a/src/box/sql/vdbemem.c b/src/box/sql/vdbemem.c index 933ad6f..da63193 100644 --- a/src/box/sql/vdbemem.c +++ b/src/box/sql/vdbemem.c @@ -129,7 +129,7 @@ sqlVdbeMemGrow(Mem * pMem, int n, int bPreserve) sqlVdbeMemSetNull(pMem); pMem->z = 0; pMem->szMalloc = 0; - return SQL_NOMEM; + return -1; } else { pMem->szMalloc = sqlDbMallocSize(pMem->zMalloc); @@ -159,8 +159,7 @@ sqlVdbeMemGrow(Mem * pMem, int n, int bPreserve) * and MEM_Blob values may be discarded, MEM_Int, MEM_Real, and MEM_Null * values are preserved. * - * Return 0 on success or an error code (probably SQL_NOMEM) - * if unable to complete the resizing. + * Return 0 on success or -1 if unable to complete the resizing. */ int sqlVdbeMemClearAndResize(Mem * pMem, int szNew) @@ -180,17 +179,17 @@ sqlVdbeMemClearAndResize(Mem * pMem, int szNew) * Change pMem so that its MEM_Str or MEM_Blob value is stored in * MEM.zMalloc, where it can be safely written. * - * Return 0 on success or SQL_NOMEM if malloc fails. + * Return 0 on success or -1 if malloc fails. */ int sqlVdbeMemMakeWriteable(Mem * pMem) { if ((pMem->flags & (MEM_Str | MEM_Blob)) != 0) { if (ExpandBlob(pMem)) - return SQL_NOMEM; + return -1; if (pMem->szMalloc == 0 || pMem->z != pMem->zMalloc) { if (sqlVdbeMemGrow(pMem, pMem->n + 2, 1)) { - return SQL_NOMEM; + return -1; } pMem->z[pMem->n] = 0; pMem->z[pMem->n + 1] = 0; @@ -222,7 +221,7 @@ sqlVdbeMemExpandBlob(Mem * pMem) nByte = 1; } if (sqlVdbeMemGrow(pMem, nByte, 1)) { - return SQL_NOMEM; + return -1; } memset(&pMem->z[pMem->n], 0, pMem->u.nZero); @@ -239,7 +238,7 @@ static SQL_NOINLINE int vdbeMemAddTerminator(Mem * pMem) { if (sqlVdbeMemGrow(pMem, pMem->n + 2, 1)) { - return SQL_NOMEM; + return -1; } pMem->z[pMem->n] = 0; pMem->z[pMem->n + 1] = 0; @@ -290,7 +289,7 @@ sqlVdbeMemStringify(Mem * pMem, u8 bForce) assert(EIGHT_BYTE_ALIGNMENT(pMem)); if (sqlVdbeMemClearAndResize(pMem, nByte)) { - return SQL_NOMEM; + return -1; } if (fg & MEM_Int) { sql_snprintf(nByte, pMem->z, "%lld", pMem->u.i); @@ -1002,7 +1001,7 @@ sqlVdbeMemSetStr(Mem * pMem, /* Memory cell to set to string value */ testcase(nAlloc == 31); testcase(nAlloc == 32); if (sqlVdbeMemClearAndResize(pMem, MAX(nAlloc, 32))) { - return SQL_NOMEM; + return -1; } memcpy(pMem->z, z, nAlloc); } else if (xDel == SQL_DYNAMIC) { @@ -1273,7 +1272,7 @@ valueFromFunction(sql * db, /* The database connection */ sizeof(apVal[0]) * nVal); if (apVal == 0) { - rc = SQL_NOMEM; + rc = -1; goto value_from_function_out; } for (i = 0; i < nVal; i++) { @@ -1286,7 +1285,7 @@ valueFromFunction(sql * db, /* The database connection */ pVal = valueNew(db, pCtx); if (pVal == 0) { - rc = SQL_NOMEM; + rc = -1; goto value_from_function_out; } @@ -1450,7 +1449,7 @@ valueFromExpr(sql * db, /* The database connection */ if (pCtx == 0) sqlValueFree(pVal); - return SQL_NOMEM; + return -1; } /* diff --git a/src/box/sql/vdbesort.c b/src/box/sql/vdbesort.c index b6ae888..3ff6807 100644 --- a/src/box/sql/vdbesort.c +++ b/src/box/sql/vdbesort.c @@ -570,7 +570,7 @@ vdbePmaReadBlob(PmaReader * p, /* PmaReader from which to take the blob */ nNew = nNew * 2; aNew = sqlRealloc(p->aAlloc, nNew); if (!aNew) - return SQL_NOMEM; + return -1; p->nAlloc = nNew; p->aAlloc = aNew; } @@ -694,7 +694,7 @@ vdbePmaReaderSeek(SortSubtask * pTask, /* Task context */ if (pReadr->aBuffer == 0) { pReadr->aBuffer = (u8 *) sqlMalloc(pgsz); if (pReadr->aBuffer == 0) - rc = SQL_NOMEM; + rc = -1; pReadr->nBuffer = pgsz; } if (rc == 0 && iBuf) { @@ -803,7 +803,7 @@ vdbePmaReaderInit(SortSubtask * pTask, /* Task context */ * version of key2 and *pbKey2Cached set to true before returning. * * If an OOM error is encountered, (pTask->pUnpacked->error_rc) is set - * to SQL_NOMEM. + * to -1. * * @param task Subtask context (for key_def). * @param key2_cached True if pTask->pUnpacked is key2. @@ -879,7 +879,7 @@ sqlVdbeSorterInit(sql * db, /* Database connection (for malloc()) */ pSorter = (VdbeSorter *) sqlDbMallocZero(db, sizeof(VdbeSorter)); pCsr->uc.pSorter = pSorter; if (pSorter == 0) { - rc = SQL_NOMEM; + rc = -1; } else { pSorter->key_def = pCsr->key_def; pSorter->pgsz = pgsz = 1024; @@ -913,7 +913,7 @@ sqlVdbeSorterInit(sql * db, /* Database connection (for malloc()) */ pSorter->list.aMemory = (u8 *) sqlMalloc(pgsz); if (!pSorter->list.aMemory) - rc = SQL_NOMEM; + rc = -1; } } @@ -1258,7 +1258,7 @@ vdbeSorterOpenTempFile(sql * db, /* Database handle doing sort */ /* * If it has not already been allocated, allocate the UnpackedRecord * structure at pTask->pUnpacked. Return 0 if successful (or - * if no allocation was required), or SQL_NOMEM otherwise. + * if no allocation was required), or -1 otherwise. */ static int vdbeSortAllocUnpacked(SortSubtask * pTask) @@ -1268,7 +1268,7 @@ vdbeSortAllocUnpacked(SortSubtask * pTask) sqlVdbeAllocUnpackedRecord(pTask->pSorter->db, pTask->pSorter->key_def); if (pTask->pUnpacked == 0) - return SQL_NOMEM; + return -1; pTask->pUnpacked->nField = pTask->pSorter->key_def->part_count; pTask->pUnpacked->errCode = 0; } @@ -1330,7 +1330,7 @@ vdbeSorterGetCompare(VdbeSorter * p) /* * Sort the linked list of records headed at pTask->pList. Return - * 0 if successful, or an sql error code (i.e. SQL_NOMEM) if + * 0 if successful, or an sql error code (i.e. -1) if * an error occurs. */ static int @@ -1351,7 +1351,7 @@ vdbeSorterSort(SortSubtask * pTask, SorterList * pList) aSlot = (SorterRecord **) sqlMallocZero(64 * sizeof(SorterRecord *)); if (!aSlot) { - return SQL_NOMEM; + return -1; } while (p) { @@ -1388,8 +1388,6 @@ vdbeSorterSort(SortSubtask * pTask, SorterList * pList) pList->pList = p; sql_free(aSlot); - assert(pTask->pUnpacked->errCode == 0 - || pTask->pUnpacked->errCode == SQL_NOMEM); return pTask->pUnpacked->errCode; } @@ -1406,7 +1404,7 @@ vdbePmaWriterInit(sql_file * pFd, /* File handle to write to */ memset(p, 0, sizeof(PmaWriter)); p->aBuffer = (u8 *) sqlMalloc(nBuf); if (!p->aBuffer) { - p->eFWErr = SQL_NOMEM; + p->eFWErr = -1; } else { p->iBufEnd = p->iBufStart = (iStart % nBuf); p->iWriteOff = iStart - p->iBufStart; @@ -1727,7 +1725,7 @@ vdbeSorterFlushPMA(VdbeSorter * pSorter) pSorter->list.aMemory = sqlMalloc(pSorter->nMemory); if (!pSorter->list.aMemory) - return SQL_NOMEM; + return -1; } rc = vdbeSorterCreateThread(pTask, @@ -1827,7 +1825,7 @@ sqlVdbeSorterWrite(const VdbeCursor * pCsr, /* Sorter cursor */ aNew = sqlRealloc(pSorter->list.aMemory, nNew); if (!aNew) - return SQL_NOMEM; + return -1; pSorter->list.pList = (SorterRecord *) & aNew[iListOff]; pSorter->list.aMemory = aNew; pSorter->nMemory = nNew; @@ -1844,7 +1842,7 @@ sqlVdbeSorterWrite(const VdbeCursor * pCsr, /* Sorter cursor */ } else { pNew = (SorterRecord *) sqlMalloc(nReq); if (pNew == 0) { - return SQL_NOMEM; + return -1; } pNew->u.pNext = pSorter->list.pList; } @@ -2007,7 +2005,7 @@ vdbeIncrMergerNew(SortSubtask * pTask, /* The thread that will be using the new pTask->file2.iEof += pIncr->mxSz; } else { vdbeMergeEngineFree(pMerger); - rc = SQL_NOMEM; + rc = -1; } return rc; } @@ -2332,7 +2330,7 @@ vdbeMergeEngineLevel0(SortSubtask * pTask, /* Sorter task to read from */ *ppOut = pNew = vdbeMergeEngineNew(nPMA); if (pNew == 0) - rc = SQL_NOMEM; + rc = -1; for (i = 0; i < nPMA && rc == 0; i++) { i64 nDummy = 0; @@ -2408,7 +2406,7 @@ vdbeSorterAddToTree(SortSubtask * pTask, /* Task context */ MergeEngine *pNew = vdbeMergeEngineNew(SORTER_MAX_MERGE_COUNT); if (pNew == 0) { - rc = SQL_NOMEM; + rc = -1; } else { rc = vdbeIncrMergerNew(pTask, pNew, &pReadr->pIncr); @@ -2457,7 +2455,7 @@ vdbeSorterMergeTreeBuild(VdbeSorter * pSorter, /* The VDBE cursor that implement if (pSorter->nTask > 1) { pMain = vdbeMergeEngineNew(pSorter->nTask); if (pMain == 0) - rc = SQL_NOMEM; + rc = -1; } #endif @@ -2478,7 +2476,7 @@ vdbeSorterMergeTreeBuild(VdbeSorter * pSorter, /* The VDBE cursor that implement pRoot = vdbeMergeEngineNew(SORTER_MAX_MERGE_COUNT); if (pRoot == 0) - rc = SQL_NOMEM; + rc = -1; for (i = 0; i < pTask->nPMA && rc == 0; i += SORTER_MAX_MERGE_COUNT) { MergeEngine *pMerger = 0; /* New level-0 PMA merger */ @@ -2569,7 +2567,7 @@ vdbeSorterSetupMerge(VdbeSorter * pSorter) (PmaReader)); pSorter->pReader = pReadr; if (pReadr == 0) - rc = SQL_NOMEM; + rc = -1; } if (rc == 0) { rc = vdbeIncrMergerNew(pLast, pMain, @@ -2773,7 +2771,7 @@ sqlVdbeSorterRowkey(const VdbeCursor * pCsr, Mem * pOut) pSorter = pCsr->uc.pSorter; pKey = vdbeSorterRowkey(pSorter, &nKey); if (sqlVdbeMemClearAndResize(pOut, nKey)) { - return SQL_NOMEM; + return -1; } pOut->n = nKey; MemSetTypeFlag(pOut, MEM_Blob); @@ -2790,7 +2788,7 @@ sqlVdbeSorterRowkey(const VdbeCursor * pCsr, Mem * pOut) * If the sorter cursor key contains any NULL values, consider it to be * less than pVal. Even if pVal also contains NULL values. * - * If an error occurs, return an sql error code (i.e. SQL_NOMEM). + * If an error occurs, return -1. * Otherwise, set *pRes to a negative, zero or positive value if the * key in pVal is smaller than, equal to or larger than the current sorter * key. @@ -2818,7 +2816,7 @@ sqlVdbeSorterCompare(const VdbeCursor * pCsr, /* Sorter cursor */ r2 = pSorter->pUnpacked = sqlVdbeAllocUnpackedRecord(pSorter->db, pCsr->key_def); if (r2 == 0) - return SQL_NOMEM; + return -1; r2->nField = nKeyCol; } assert(r2->nField == nKeyCol); diff --git a/src/box/sql/where.c b/src/box/sql/where.c index 6781ab0..9739268 100644 --- a/src/box/sql/where.c +++ b/src/box/sql/where.c @@ -1741,7 +1741,7 @@ whereLoopResize(sql * db, WhereLoop * p, int n) n = (n + 7) & ~7; paNew = sqlDbMallocRawNN(db, sizeof(p->aLTerm[0]) * n); if (paNew == 0) - return SQL_NOMEM; + return -1; memcpy(paNew, p->aLTerm, sizeof(p->aLTerm[0]) * p->nLSlot); if (p->aLTerm != p->aLTermSpace) sqlDbFree(db, p->aLTerm); @@ -1762,7 +1762,7 @@ whereLoopXfer(sql * db, WhereLoop * pTo, WhereLoop * pFrom) pTo->nBtm = 0; pTo->nTop = 0; pTo->index_def = NULL; - return SQL_NOMEM; + return -1; } memcpy(pTo, pFrom, WHERE_LOOP_XFER_SZ); memcpy(pTo->aLTerm, pFrom->aLTerm, @@ -2079,7 +2079,7 @@ whereLoopInsert(WhereLoopBuilder * pBuilder, WhereLoop * pTemplate) /* Allocate a new WhereLoop to add to the end of the list */ *ppPrev = p = sqlDbMallocRawNN(db, sizeof(WhereLoop)); if (p == 0) - return SQL_NOMEM; + return -1; whereLoopInit(p); p->pNextLoop = 0; } else { @@ -2308,7 +2308,7 @@ whereLoopAddBtreeIndex(WhereLoopBuilder * pBuilder, /* The WhereLoop factory */ pNew = pBuilder->pNew; if (db->mallocFailed) - return SQL_NOMEM; + return -1; WHERETRACE(0x800, ("BEGIN addBtreeIdx(%s), nEq=%d\n", probe->name, pNew->nEq)); @@ -3546,7 +3546,7 @@ whereSortingCost(WhereInfo * pWInfo, LogEst nRow, int nOrderBy, int nSorted) * will be nRowEst (in the 10*log2 representation). Or, ignore sorting * costs if nRowEst==0. * - * Return 0 on success or SQL_NOMEM of a memory allocation + * Return 0 on success or -1 of a memory allocation * error occurs. */ static int @@ -3602,7 +3602,7 @@ wherePathSolver(WhereInfo * pWInfo, LogEst nRowEst) nSpace += sizeof(LogEst) * nOrderBy; pSpace = sqlDbMallocRawNN(db, nSpace); if (pSpace == 0) - return SQL_NOMEM; + return -1; aTo = (WherePath *) pSpace; aFrom = aTo + mxChoice; memset(aFrom, 0, sizeof(aFrom[0])); -- 2.7.4