From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpng3.m.smailru.net (smtpng3.m.smailru.net [94.100.177.149]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dev.tarantool.org (Postfix) with ESMTPS id DA20942F4C5 for ; Thu, 7 Nov 2019 04:05:00 +0300 (MSK) From: Nikita Pettik Date: Thu, 7 Nov 2019 04:04:41 +0300 Message-Id: <20191107010455.64457-2-korablev@tarantool.org> In-Reply-To: <20191107010455.64457-1-korablev@tarantool.org> References: <20191107010455.64457-1-korablev@tarantool.org> Subject: [Tarantool-patches] [PATCH 01/15] sql: remove sql_prepare_v2() List-Id: Tarantool development patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: tarantool-patches@dev.tarantool.org Cc: v.shpilevoy@tarantool.org There are two versions of the same function (sql_prepare()) which are almost identical. Let's keep more relevant version sql_prepare_v2() but rename it to sql_prepare() in order to avoid any mess. Needed for #3292 --- src/box/execute.c | 2 +- src/box/sql/legacy.c | 2 +- src/box/sql/prepare.c | 32 ++++---------------------------- src/box/sql/sqlInt.h | 25 +++++++++++-------------- src/box/sql/vdbeapi.c | 2 +- 5 files changed, 18 insertions(+), 45 deletions(-) diff --git a/src/box/execute.c b/src/box/execute.c index e8b012e5b..130a3f675 100644 --- a/src/box/execute.c +++ b/src/box/execute.c @@ -443,7 +443,7 @@ sql_prepare_and_execute(const char *sql, int len, const struct sql_bind *bind, { struct sql_stmt *stmt; struct sql *db = sql_get(); - if (sql_prepare_v2(db, sql, len, &stmt, NULL) != 0) + if (sql_prepare(db, sql, len, &stmt, NULL) != 0) return -1; assert(stmt != NULL); port_sql_create(port, stmt); diff --git a/src/box/sql/legacy.c b/src/box/sql/legacy.c index 0b1370f4a..bfd1e32b9 100644 --- a/src/box/sql/legacy.c +++ b/src/box/sql/legacy.c @@ -70,7 +70,7 @@ sql_exec(sql * db, /* The database on which the SQL executes */ char **azVals = 0; pStmt = 0; - rc = sql_prepare_v2(db, zSql, -1, &pStmt, &zLeftover); + rc = sql_prepare(db, zSql, -1, &pStmt, &zLeftover); assert(rc == 0 || pStmt == NULL); if (rc != 0) continue; diff --git a/src/box/sql/prepare.c b/src/box/sql/prepare.c index e077a8b5e..ba3b7d71f 100644 --- a/src/box/sql/prepare.c +++ b/src/box/sql/prepare.c @@ -204,36 +204,12 @@ sqlReprepare(Vdbe * p) return 0; } -/* - * Two versions of the official API. Legacy and new use. In the legacy - * version, the original SQL text is not saved in the prepared statement - * and so if a schema change occurs, an error is returned by - * sql_step(). In the new version, the original SQL text is retained - * and the statement is automatically recompiled if an schema change - * occurs. - */ -int -sql_prepare(sql * db, /* Database handle. */ - const char *zSql, /* UTF-8 encoded SQL statement. */ - int nBytes, /* Length of zSql in bytes. */ - sql_stmt ** ppStmt, /* OUT: A pointer to the prepared statement */ - const char **pzTail) /* OUT: End of parsed string */ -{ - int rc = sqlPrepare(db, zSql, nBytes, 0, 0, ppStmt, pzTail); - assert(rc == 0 || ppStmt == NULL || *ppStmt == NULL); /* VERIFY: F13021 */ - return rc; -} - int -sql_prepare_v2(sql * db, /* Database handle. */ - const char *zSql, /* UTF-8 encoded SQL statement. */ - int nBytes, /* Length of zSql in bytes. */ - sql_stmt ** ppStmt, /* OUT: A pointer to the prepared statement */ - const char **pzTail /* OUT: End of parsed string */ - ) +sql_prepare(struct sql *db, const char *sql, int length, struct sql_stmt **stmt, + const char **sql_tail) { - int rc = sqlPrepare(db, zSql, nBytes, 1, 0, ppStmt, pzTail); - assert(rc == 0 || ppStmt == NULL || *ppStmt == NULL); /* VERIFY: F13021 */ + int rc = sqlPrepare(db, sql, length, 1, 0, stmt, sql_tail); + assert(rc == 0 || stmt == NULL || *stmt == NULL); return rc; } diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h index c32cacc04..7a443fac2 100644 --- a/src/box/sql/sqlInt.h +++ b/src/box/sql/sqlInt.h @@ -459,21 +459,18 @@ typedef void (*sql_destructor_type) (void *); #define SQL_STATIC ((sql_destructor_type)0) #define SQL_TRANSIENT ((sql_destructor_type)-1) +/** + * Prepare (compile into VDBE byte-code) statement. + * + * @param db Database handle. + * @param sql UTF-8 encoded SQL statement. + * @param length Length of @param sql in bytes. + * @param[out] stmt A pointer to the prepared statement. + * @param[out] sql_tail End of parsed string. + */ int -sql_prepare(sql * db, /* Database handle */ - const char *zSql, /* SQL statement, UTF-8 encoded */ - int nByte, /* Maximum length of zSql in bytes. */ - sql_stmt ** ppStmt, /* OUT: Statement handle */ - const char **pzTail /* OUT: Pointer to unused portion of zSql */ - ); - -int -sql_prepare_v2(sql * db, /* Database handle */ - const char *zSql, /* SQL statement, UTF-8 encoded */ - int nByte, /* Maximum length of zSql in bytes. */ - sql_stmt ** ppStmt, /* OUT: Statement handle */ - const char **pzTail /* OUT: Pointer to unused portion of zSql */ - ); +sql_prepare(struct sql *db, const char *sql, int length, struct sql_stmt **stmt, + const char **sql_tail); int sql_step(sql_stmt *); diff --git a/src/box/sql/vdbeapi.c b/src/box/sql/vdbeapi.c index b91d16a9d..9d9c5168e 100644 --- a/src/box/sql/vdbeapi.c +++ b/src/box/sql/vdbeapi.c @@ -452,7 +452,7 @@ sqlStep(Vdbe * p) checkProfileCallback(db, p); if (p->isPrepareV2 && rc != SQL_ROW && rc != SQL_DONE) { - /* If this statement was prepared using sql_prepare_v2(), and an + /* If this statement was prepared using sql_prepare(), and an * error has occurred, then return an error. */ if (p->is_aborted) -- 2.15.1