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support python 3, updated sqlite version to 3.22.0

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master
ygl 8 years ago
parent 03556993e5
commit 92cb780ca1
4 changed files with 5565 additions and 3198 deletions
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  1. 8
      src/_sqlite3.py
  2. 8612
      src/sqlite3.c
  3. 136
      src/sqlite3.h
  4. 7
      src/sqlite3ext.h

8
src/_sqlite3.py
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@ -29,7 +29,7 @@ import datetime
import string
import sys
import weakref
from threading import _get_ident as _thread_get_ident
import threading
try:
from __pypy__ import newlist_hint
except ImportError:
@ -44,8 +44,10 @@ if sys.version_info[0] >= 3:
basestring = unicode = str
buffer = memoryview
_BLOB_TYPE = bytes
_thread_get_ident = threading.get_ident
else:
_BLOB_TYPE = buffer
_thread_get_ident = threading._get_ident
from _sqlite3_cffi import ffi as _ffi, lib as _lib
@ -157,6 +159,7 @@ def connect(database, timeout=5.0, detect_types=0, isolation_level="",
def _unicode_text_factory(x):
return unicode(x, 'utf-8')
if sys.version_info[0] < 3:
def OptimizedUnicode(s):
try:
@ -227,7 +230,6 @@ class Connection(object):
self.__collations = {}
if check_same_thread:
self.__thread_ident = _thread_get_ident()
self.Error = Error
self.Warning = Warning
self.InterfaceError = InterfaceError
@ -1238,7 +1240,7 @@ class Statement(object):
for i in xrange(_lib.sqlite3_column_count(self._statement)):
name = _lib.sqlite3_column_name(self._statement, i)
if name:
name = _ffi.string(name).split("[")[0].strip()
name = _ffi.string(name).decode('utf-8').split("[")[0].strip()
desc.append((name, None, None, None, None, None, None))
return desc

8612
src/sqlite3.c
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136
src/sqlite3.h
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@ -123,9 +123,9 @@ extern "C" {
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION "3.21.0"
#define SQLITE_VERSION_NUMBER 3021000
#define SQLITE_SOURCE_ID "2017-10-24 18:55:49 1a584e499906b5c87ec7d43d4abce641fdf017c42125b083109bc77c4de48827"
#define SQLITE_VERSION "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID "2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2171d"
/*
** CAPI3REF: Run-Time Library Version Numbers
@ -470,6 +470,8 @@ SQLITE_API int sqlite3_exec(
** the most recent error can be obtained using
** [sqlite3_extended_errcode()].
*/
#define SQLITE_ERROR_MISSING_COLLSEQ (SQLITE_ERROR | (1<<8))
#define SQLITE_ERROR_RETRY (SQLITE_ERROR | (2<<8))
#define SQLITE_IOERR_READ (SQLITE_IOERR | (1<<8))
#define SQLITE_IOERR_SHORT_READ (SQLITE_IOERR | (2<<8))
#define SQLITE_IOERR_WRITE (SQLITE_IOERR | (3<<8))
@ -513,6 +515,8 @@ SQLITE_API int sqlite3_exec(
#define SQLITE_READONLY_CANTLOCK (SQLITE_READONLY | (2<<8))
#define SQLITE_READONLY_ROLLBACK (SQLITE_READONLY | (3<<8))
#define SQLITE_READONLY_DBMOVED (SQLITE_READONLY | (4<<8))
#define SQLITE_READONLY_CANTINIT (SQLITE_READONLY | (5<<8))
#define SQLITE_READONLY_DIRECTORY (SQLITE_READONLY | (6<<8))
#define SQLITE_ABORT_ROLLBACK (SQLITE_ABORT | (2<<8))
#define SQLITE_CONSTRAINT_CHECK (SQLITE_CONSTRAINT | (1<<8))
#define SQLITE_CONSTRAINT_COMMITHOOK (SQLITE_CONSTRAINT | (2<<8))
@ -1131,12 +1135,18 @@ typedef struct sqlite3_api_routines sqlite3_api_routines;
** in the name of the object stands for "virtual file system". See
** the [VFS | VFS documentation] for further information.
**
** The value of the iVersion field is initially 1 but may be larger in
** future versions of SQLite. Additional fields may be appended to this
** object when the iVersion value is increased. Note that the structure
** of the sqlite3_vfs object changes in the transaction between
** SQLite version 3.5.9 and 3.6.0 and yet the iVersion field was not
** modified.
** The VFS interface is sometimes extended by adding new methods onto
** the end. Each time such an extension occurs, the iVersion field
** is incremented. The iVersion value started out as 1 in
** SQLite [version 3.5.0] on [dateof:3.5.0], then increased to 2
** with SQLite [version 3.7.0] on [dateof:3.7.0], and then increased
** to 3 with SQLite [version 3.7.6] on [dateof:3.7.6]. Additional fields
** may be appended to the sqlite3_vfs object and the iVersion value
** may increase again in future versions of SQLite.
** Note that the structure
** of the sqlite3_vfs object changes in the transition from
** SQLite [version 3.5.9] to [version 3.6.0] on [dateof:3.6.0]
** and yet the iVersion field was not modified.
**
** The szOsFile field is the size of the subclassed [sqlite3_file]
** structure used by this VFS. mxPathname is the maximum length of
@ -2049,7 +2059,6 @@ struct sqlite3_mem_methods {
** into which is written 0 or 1 to indicate whether checkpoints-on-close
** have been disabled - 0 if they are not disabled, 1 if they are.
** </dd>
**
** <dt>SQLITE_DBCONFIG_ENABLE_QPSG</dt>
** <dd>^(The SQLITE_DBCONFIG_ENABLE_QPSG option activates or deactivates
** the [query planner stability guarantee] (QPSG). When the QPSG is active,
@ -2060,7 +2069,16 @@ struct sqlite3_mem_methods {
** the QPSG active, SQLite will always use the same query plan in the field as
** was used during testing in the lab.
** </dd>
**
** <dt>SQLITE_DBCONFIG_TRIGGER_EQP</dt>
** <dd> By default, the output of EXPLAIN QUERY PLAN commands does not
** include output for any operations performed by trigger programs. This
** option is used to set or clear (the default) a flag that governs this
** behavior. The first parameter passed to this operation is an integer -
** non-zero to enable output for trigger programs, or zero to disable it.
** The second parameter is a pointer to an integer into which is written
** 0 or 1 to indicate whether output-for-triggers has been disabled - 0 if
** it is not disabled, 1 if it is.
** </dd>
** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */
@ -2071,7 +2089,8 @@ struct sqlite3_mem_methods {
#define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */
#define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE 1006 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_QPSG 1007 /* int int* */
#define SQLITE_DBCONFIG_TRIGGER_EQP 1008 /* int int* */
#define SQLITE_DBCONFIG_MAX 1008 /* Largest DBCONFIG */
/*
** CAPI3REF: Enable Or Disable Extended Result Codes
@ -2932,8 +2951,8 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*,
** KEYWORDS: SQLITE_TRACE
**
** These constants identify classes of events that can be monitored
** using the [sqlite3_trace_v2()] tracing logic. The third argument
** to [sqlite3_trace_v2()] is an OR-ed combination of one or more of
** using the [sqlite3_trace_v2()] tracing logic. The M argument
** to [sqlite3_trace_v2(D,M,X,P)] is an OR-ed combination of one or more of
** the following constants. ^The first argument to the trace callback
** is one of the following constants.
**
@ -4779,6 +4798,9 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6
** datatype of the value
** <tr><td><b>sqlite3_value_numeric_type&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>Best numeric datatype of the value
** <tr><td><b>sqlite3_value_nochange&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>True if the column is unchanged in an UPDATE
** against a virtual table.
** </table></blockquote>
**
** <b>Details:</b>
@ -4827,6 +4849,19 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6
** then the conversion is performed. Otherwise no conversion occurs.
** The [SQLITE_INTEGER | datatype] after conversion is returned.)^
**
** ^Within the [xUpdate] method of a [virtual table], the
** sqlite3_value_nochange(X) interface returns true if and only if
** the column corresponding to X is unchanged by the UPDATE operation
** that the xUpdate method call was invoked to implement and if
** and the prior [xColumn] method call that was invoked to extracted
** the value for that column returned without setting a result (probably
** because it queried [sqlite3_vtab_nochange()] and found that the column
** was unchanging). ^Within an [xUpdate] method, any value for which
** sqlite3_value_nochange(X) is true will in all other respects appear
** to be a NULL value. If sqlite3_value_nochange(X) is invoked anywhere other
** than within an [xUpdate] method call for an UPDATE statement, then
** the return value is arbitrary and meaningless.
**
** Please pay particular attention to the fact that the pointer returned
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
@ -4849,6 +4884,7 @@ SQLITE_API int sqlite3_value_bytes(sqlite3_value*);
SQLITE_API int sqlite3_value_bytes16(sqlite3_value*);
SQLITE_API int sqlite3_value_type(sqlite3_value*);
SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*);
SQLITE_API int sqlite3_value_nochange(sqlite3_value*);
/*
** CAPI3REF: Finding The Subtype Of SQL Values
@ -6951,9 +6987,9 @@ SQLITE_API sqlite3_mutex *sqlite3_db_mutex(sqlite3*);
** the xFileControl method. ^The return value of the xFileControl
** method becomes the return value of this routine.
**
** ^The SQLITE_FCNTL_FILE_POINTER value for the op parameter causes
** ^The [SQLITE_FCNTL_FILE_POINTER] value for the op parameter causes
** a pointer to the underlying [sqlite3_file] object to be written into
** the space pointed to by the 4th parameter. ^The SQLITE_FCNTL_FILE_POINTER
** the space pointed to by the 4th parameter. ^The [SQLITE_FCNTL_FILE_POINTER]
** case is a short-circuit path which does not actually invoke the
** underlying sqlite3_io_methods.xFileControl method.
**
@ -6965,7 +7001,7 @@ SQLITE_API sqlite3_mutex *sqlite3_db_mutex(sqlite3*);
** an incorrect zDbName and an SQLITE_ERROR return from the underlying
** xFileControl method.
**
** See also: [SQLITE_FCNTL_LOCKSTATE]
** See also: [file control opcodes]
*/
SQLITE_API int sqlite3_file_control(sqlite3*, const char *zDbName, int op, void*);
@ -7022,7 +7058,8 @@ SQLITE_API int sqlite3_test_control(int op, ...);
#define SQLITE_TESTCTRL_ISINIT 23
#define SQLITE_TESTCTRL_SORTER_MMAP 24
#define SQLITE_TESTCTRL_IMPOSTER 25
#define SQLITE_TESTCTRL_LAST 25
#define SQLITE_TESTCTRL_PARSER_COVERAGE 26
#define SQLITE_TESTCTRL_LAST 26 /* Largest TESTCTRL */
/*
** CAPI3REF: SQLite Runtime Status
@ -8276,6 +8313,40 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...);
*/
SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *);
/*
** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE
**
** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn]
** method of a [virtual table], then it returns true if and only if the
** column is being fetched as part of an UPDATE operation during which the
** column value will not change. Applications might use this to substitute
** a lighter-weight value to return that the corresponding [xUpdate] method
** understands as a "no-change" value.
**
** If the [xColumn] method calls sqlite3_vtab_nochange() and finds that
** the column is not changed by the UPDATE statement, they the xColumn
** method can optionally return without setting a result, without calling
** any of the [sqlite3_result_int|sqlite3_result_xxxxx() interfaces].
** In that case, [sqlite3_value_nochange(X)] will return true for the
** same column in the [xUpdate] method.
*/
SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*);
/*
** CAPI3REF: Determine The Collation For a Virtual Table Constraint
**
** This function may only be called from within a call to the [xBestIndex]
** method of a [virtual table].
**
** The first argument must be the sqlite3_index_info object that is the
** first parameter to the xBestIndex() method. The second argument must be
** an index into the aConstraint[] array belonging to the sqlite3_index_info
** structure passed to xBestIndex. This function returns a pointer to a buffer
** containing the name of the collation sequence for the corresponding
** constraint.
*/
SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_info*,int);
/*
** CAPI3REF: Conflict resolution modes
** KEYWORDS: {conflict resolution mode}
@ -9003,6 +9074,35 @@ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect)
**
** SQLITE_OK is returned if the call completes without error. Or, if an error
** occurs, an SQLite error code (e.g. SQLITE_NOMEM) is returned.
**
** <h3>Special sqlite_stat1 Handling</h3>
**
** As of SQLite version 3.22.0, the "sqlite_stat1" table is an exception to
** some of the rules above. In SQLite, the schema of sqlite_stat1 is:
** <pre>
** &nbsp; CREATE TABLE sqlite_stat1(tbl,idx,stat)
** </pre>
**
** Even though sqlite_stat1 does not have a PRIMARY KEY, changes are
** recorded for it as if the PRIMARY KEY is (tbl,idx). Additionally, changes
** are recorded for rows for which (idx IS NULL) is true. However, for such
** rows a zero-length blob (SQL value X'') is stored in the changeset or
** patchset instead of a NULL value. This allows such changesets to be
** manipulated by legacy implementations of sqlite3changeset_invert(),
** concat() and similar.
**
** The sqlite3changeset_apply() function automatically converts the
** zero-length blob back to a NULL value when updating the sqlite_stat1
** table. However, if the application calls sqlite3changeset_new(),
** sqlite3changeset_old() or sqlite3changeset_conflict on a changeset
** iterator directly (including on a changeset iterator passed to a
** conflict-handler callback) then the X'' value is returned. The application
** must translate X'' to NULL itself if required.
**
** Legacy (older than 3.22.0) versions of the sessions module cannot capture
** changes made to the sqlite_stat1 table. Legacy versions of the
** sqlite3changeset_apply() function silently ignore any modifications to the
** sqlite_stat1 table that are part of a changeset or patchset.
*/
SQLITE_API int sqlite3session_attach(
sqlite3_session *pSession, /* Session object */

7
src/sqlite3ext.h
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@ -292,6 +292,9 @@ struct sqlite3_api_routines {
int (*bind_pointer)(sqlite3_stmt*,int,void*,const char*,void(*)(void*));
void (*result_pointer)(sqlite3_context*,void*,const char*,void(*)(void*));
void *(*value_pointer)(sqlite3_value*,const char*);
int (*vtab_nochange)(sqlite3_context*);
int (*value_nochange)(sqlite3_value*);
const char *(*vtab_collation)(sqlite3_index_info*,int);
};
/*
@ -558,6 +561,10 @@ typedef int (*sqlite3_loadext_entry)(
#define sqlite3_bind_pointer sqlite3_api->bind_pointer
#define sqlite3_result_pointer sqlite3_api->result_pointer
#define sqlite3_value_pointer sqlite3_api->value_pointer
/* Version 3.22.0 and later */
#define sqlite3_vtab_nochange sqlite3_api->vtab_nochange
#define sqlite3_value_nochange sqltie3_api->value_nochange
#define sqlite3_vtab_collation sqltie3_api->vtab_collation
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */
#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)

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