diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/btree.c | 4 | ||||
-rw-r--r-- | src/sqlite.h.in | 46 |
2 files changed, 27 insertions, 23 deletions
diff --git a/src/btree.c b/src/btree.c index 111acbafc..bc2bc5183 100644 --- a/src/btree.c +++ b/src/btree.c @@ -3074,6 +3074,10 @@ int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){ sqlite3BtreeEnter(p); pBt->nReserveWanted = (u8)nReserve; x = pBt->pageSize - pBt->usableSize; + if( x==nReserve && (pageSize==0 || pageSize==pBt->pageSize) ){ + sqlite3BtreeLeave(p); + return SQLITE_OK; + } if( nReserve<x ) nReserve = x; if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){ sqlite3BtreeLeave(p); diff --git a/src/sqlite.h.in b/src/sqlite.h.in index 9ec125143..cffc42b2c 100644 --- a/src/sqlite.h.in +++ b/src/sqlite.h.in @@ -168,9 +168,9 @@ extern "C" { ** assert( strcmp(sqlite3_libversion(),SQLITE_VERSION)==0 ); ** </pre></blockquote>)^ ** -** ^The sqlite3_version[] string constant contains the text of [SQLITE_VERSION] -** macro. ^The sqlite3_libversion() function returns a pointer to the -** to the sqlite3_version[] string constant. The sqlite3_libversion() +** ^The sqlite3_version[] string constant contains the text of the +** [SQLITE_VERSION] macro. ^The sqlite3_libversion() function returns a +** pointer to the sqlite3_version[] string constant. The sqlite3_libversion() ** function is provided for use in DLLs since DLL users usually do not have ** direct access to string constants within the DLL. ^The ** sqlite3_libversion_number() function returns an integer equal to @@ -370,7 +370,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** without having to use a lot of C code. ** ** ^The sqlite3_exec() interface runs zero or more UTF-8 encoded, -** semicolon-separate SQL statements passed into its 2nd argument, +** semicolon-separated SQL statements passed into its 2nd argument, ** in the context of the [database connection] passed in as its 1st ** argument. ^If the callback function of the 3rd argument to ** sqlite3_exec() is not NULL, then it is invoked for each result row @@ -403,7 +403,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** result row is NULL then the corresponding string pointer for the ** sqlite3_exec() callback is a NULL pointer. ^The 4th argument to the ** sqlite3_exec() callback is an array of pointers to strings where each -** entry represents the name of corresponding result column as obtained +** entry represents the name of a corresponding result column as obtained ** from [sqlite3_column_name()]. ** ** ^If the 2nd parameter to sqlite3_exec() is a NULL pointer, a pointer @@ -589,7 +589,7 @@ int sqlite3_exec( ** Note in particular that passing the SQLITE_OPEN_EXCLUSIVE flag into ** [sqlite3_open_v2()] does *not* cause the underlying database file ** to be opened using O_EXCL. Passing SQLITE_OPEN_EXCLUSIVE into -** [sqlite3_open_v2()] has historically be a no-op and might become an +** [sqlite3_open_v2()] has historically been a no-op and might become an ** error in future versions of SQLite. */ #define SQLITE_OPEN_READONLY 0x00000001 /* Ok for sqlite3_open_v2() */ @@ -683,7 +683,7 @@ int sqlite3_exec( ** SQLite uses one of these integer values as the second ** argument to calls it makes to the xLock() and xUnlock() methods ** of an [sqlite3_io_methods] object. These values are ordered from -** lest restrictive to most restrictive. +** least restrictive to most restrictive. ** ** The argument to xLock() is always SHARED or higher. The argument to ** xUnlock is either SHARED or NONE. @@ -999,7 +999,7 @@ struct sqlite3_io_methods { ** ** <li>[[SQLITE_FCNTL_VFSNAME]] ** ^The [SQLITE_FCNTL_VFSNAME] opcode can be used to obtain the names of -** all [VFSes] in the VFS stack. The names are of all VFS shims and the +** all [VFSes] in the VFS stack. The names of all VFS shims and the ** final bottom-level VFS are written into memory obtained from ** [sqlite3_malloc()] and the result is stored in the char* variable ** that the fourth parameter of [sqlite3_file_control()] points to. @@ -1013,7 +1013,7 @@ struct sqlite3_io_methods { ** ^The [SQLITE_FCNTL_VFS_POINTER] opcode finds a pointer to the top-level ** [VFSes] currently in use. ^(The argument X in ** sqlite3_file_control(db,SQLITE_FCNTL_VFS_POINTER,X) must be -** of type "[sqlite3_vfs] **". This opcodes will set *X +** of type "[sqlite3_vfs] **". This opcode will set *X ** to a pointer to the top-level VFS.)^ ** ^When there are multiple VFS shims in the stack, this opcode finds the ** upper-most shim only. @@ -1203,7 +1203,7 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_EXTERNAL_READER]] ** The EXPERIMENTAL [SQLITE_FCNTL_EXTERNAL_READER] opcode is used to detect ** whether or not there is a database client in another process with a wal-mode -** transaction open on the database or not. It is only available on unix.The +** transaction open on the database or not. It is only available on unix. The ** (void*) argument passed with this file-control should be a pointer to a ** value of type (int). The integer value is set to 1 if the database is a wal ** mode database and there exists at least one client in another process that @@ -1628,7 +1628,7 @@ struct sqlite3_vfs { ** SQLite interfaces so that an application usually does not need to ** invoke sqlite3_initialize() directly. For example, [sqlite3_open()] ** calls sqlite3_initialize() so the SQLite library will be automatically -** initialized when [sqlite3_open()] is called if it has not be initialized +** initialized when [sqlite3_open()] is called if it has not been initialized ** already. ^However, if SQLite is compiled with the [SQLITE_OMIT_AUTOINIT] ** compile-time option, then the automatic calls to sqlite3_initialize() ** are omitted and the application must call sqlite3_initialize() directly @@ -1885,21 +1885,21 @@ struct sqlite3_mem_methods { ** The [sqlite3_mem_methods] ** structure is filled with the currently defined memory allocation routines.)^ ** This option can be used to overload the default memory allocation -** routines with a wrapper that simulations memory allocation failure or +** routines with a wrapper that simulates memory allocation failure or ** tracks memory usage, for example. </dd> ** ** [[SQLITE_CONFIG_SMALL_MALLOC]] <dt>SQLITE_CONFIG_SMALL_MALLOC</dt> -** <dd> ^The SQLITE_CONFIG_SMALL_MALLOC option takes single argument of +** <dd> ^The SQLITE_CONFIG_SMALL_MALLOC option takes a single argument of ** type int, interpreted as a boolean, which if true provides a hint to ** SQLite that it should avoid large memory allocations if possible. ** SQLite will run faster if it is free to make large memory allocations, -** but some application might prefer to run slower in exchange for +** but some applications might prefer to run slower in exchange for ** guarantees about memory fragmentation that are possible if large ** allocations are avoided. This hint is normally off. ** </dd> ** ** [[SQLITE_CONFIG_MEMSTATUS]] <dt>SQLITE_CONFIG_MEMSTATUS</dt> -** <dd> ^The SQLITE_CONFIG_MEMSTATUS option takes single argument of type int, +** <dd> ^The SQLITE_CONFIG_MEMSTATUS option takes a single argument of type int, ** interpreted as a boolean, which enables or disables the collection of ** memory allocation statistics. ^(When memory allocation statistics are ** disabled, the following SQLite interfaces become non-operational: @@ -1944,7 +1944,7 @@ struct sqlite3_mem_methods { ** ^If pMem is NULL and N is non-zero, then each database connection ** does an initial bulk allocation for page cache memory ** from [sqlite3_malloc()] sufficient for N cache lines if N is positive or -** of -1024*N bytes if N is negative, . ^If additional +** of -1024*N bytes if N is negative. ^If additional ** page cache memory is needed beyond what is provided by the initial ** allocation, then SQLite goes to [sqlite3_malloc()] separately for each ** additional cache line. </dd> @@ -1973,7 +1973,7 @@ struct sqlite3_mem_methods { ** <dd> ^(The SQLITE_CONFIG_MUTEX option takes a single argument which is a ** pointer to an instance of the [sqlite3_mutex_methods] structure. ** The argument specifies alternative low-level mutex routines to be used -** in place the mutex routines built into SQLite.)^ ^SQLite makes a copy of +** in place of the mutex routines built into SQLite.)^ ^SQLite makes a copy of ** the content of the [sqlite3_mutex_methods] structure before the call to ** [sqlite3_config()] returns. ^If SQLite is compiled with ** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then @@ -2015,7 +2015,7 @@ struct sqlite3_mem_methods { ** ** [[SQLITE_CONFIG_GETPCACHE2]] <dt>SQLITE_CONFIG_GETPCACHE2</dt> ** <dd> ^(The SQLITE_CONFIG_GETPCACHE2 option takes a single argument which -** is a pointer to an [sqlite3_pcache_methods2] object. SQLite copies of +** is a pointer to an [sqlite3_pcache_methods2] object. SQLite copies off ** the current page cache implementation into that object.)^ </dd> ** ** [[SQLITE_CONFIG_LOG]] <dt>SQLITE_CONFIG_LOG</dt> @@ -2032,7 +2032,7 @@ struct sqlite3_mem_methods { ** the logger function is a copy of the first parameter to the corresponding ** [sqlite3_log()] call and is intended to be a [result code] or an ** [extended result code]. ^The third parameter passed to the logger is -** log message after formatting via [sqlite3_snprintf()]. +** a log message after formatting via [sqlite3_snprintf()]. ** The SQLite logging interface is not reentrant; the logger function ** supplied by the application must not invoke any SQLite interface. ** In a multi-threaded application, the application-defined logger @@ -2223,7 +2223,7 @@ struct sqlite3_mem_methods { ** These constants are the available integer configuration options that ** can be passed as the second parameter to the [sqlite3_db_config()] interface. ** -** The [sqlite3_db_config()] interface is a var-args functions. It takes a +** The [sqlite3_db_config()] interface is a var-args function. It takes a ** variable number of parameters, though always at least two. The number of ** parameters passed into sqlite3_db_config() depends on which of these ** constants is given as the second parameter. This documentation page @@ -2357,8 +2357,8 @@ struct sqlite3_mem_methods { ** When the first argument to this interface is 1, then only the C-API is ** enabled and the SQL function remains disabled. If the first argument to ** this interface is 0, then both the C-API and the SQL function are disabled. -** If the first argument is -1, then no changes are made to state of either the -** C-API or the SQL function. +** If the first argument is -1, then no changes are made to the state of either +** the C-API or the SQL function. ** The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether [sqlite3_load_extension()] interface ** is disabled or enabled following this call. The second parameter may @@ -2476,7 +2476,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_DBCONFIG_LEGACY_ALTER_TABLE]] ** <dt>SQLITE_DBCONFIG_LEGACY_ALTER_TABLE</dt> ** <dd>The SQLITE_DBCONFIG_LEGACY_ALTER_TABLE option activates or deactivates -** the legacy behavior of the [ALTER TABLE RENAME] command such it +** the legacy behavior of the [ALTER TABLE RENAME] command such that it ** behaves as it did prior to [version 3.24.0] (2018-06-04). See the ** "Compatibility Notice" on the [ALTER TABLE RENAME documentation] for ** additional information. This feature can also be turned on and off |