foundationdb/fdbserver/sqlite/sqlite3ext.h

456 lines
22 KiB
C

/*
** 2006 June 7
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the SQLite interface for use by
** shared libraries that want to be imported as extensions into
** an SQLite instance. Shared libraries that intend to be loaded
** as extensions by SQLite should #include this file instead of
** sqlite3.h.
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3.h"
typedef struct sqlite3_api_routines sqlite3_api_routines;
/*
** The following structure holds pointers to all of the SQLite API
** routines.
**
** WARNING: In order to maintain backwards compatibility, add new
** interfaces to the end of this structure only. If you insert new
** interfaces in the middle of this structure, then older different
** versions of SQLite will not be able to load each others' shared
** libraries!
*/
struct sqlite3_api_routines {
void* (*aggregate_context)(sqlite3_context*, int nBytes);
int (*aggregate_count)(sqlite3_context*);
int (*bind_blob)(sqlite3_stmt*, int, const void*, int n, void (*)(void*));
int (*bind_double)(sqlite3_stmt*, int, double);
int (*bind_int)(sqlite3_stmt*, int, int);
int (*bind_int64)(sqlite3_stmt*, int, sqlite_int64);
int (*bind_null)(sqlite3_stmt*, int);
int (*bind_parameter_count)(sqlite3_stmt*);
int (*bind_parameter_index)(sqlite3_stmt*, const char* zName);
const char* (*bind_parameter_name)(sqlite3_stmt*, int);
int (*bind_text)(sqlite3_stmt*, int, const char*, int n, void (*)(void*));
int (*bind_text16)(sqlite3_stmt*, int, const void*, int, void (*)(void*));
int (*bind_value)(sqlite3_stmt*, int, const sqlite3_value*);
int (*busy_handler)(sqlite3*, int (*)(void*, int), void*);
int (*busy_timeout)(sqlite3*, int ms);
int (*changes)(sqlite3*);
int (*close)(sqlite3*);
int (*collation_needed)(sqlite3*, void*, void (*)(void*, sqlite3*, int eTextRep, const char*));
int (*collation_needed16)(sqlite3*, void*, void (*)(void*, sqlite3*, int eTextRep, const void*));
const void* (*column_blob)(sqlite3_stmt*, int iCol);
int (*column_bytes)(sqlite3_stmt*, int iCol);
int (*column_bytes16)(sqlite3_stmt*, int iCol);
int (*column_count)(sqlite3_stmt* pStmt);
const char* (*column_database_name)(sqlite3_stmt*, int);
const void* (*column_database_name16)(sqlite3_stmt*, int);
const char* (*column_decltype)(sqlite3_stmt*, int i);
const void* (*column_decltype16)(sqlite3_stmt*, int);
double (*column_double)(sqlite3_stmt*, int iCol);
int (*column_int)(sqlite3_stmt*, int iCol);
sqlite_int64 (*column_int64)(sqlite3_stmt*, int iCol);
const char* (*column_name)(sqlite3_stmt*, int);
const void* (*column_name16)(sqlite3_stmt*, int);
const char* (*column_origin_name)(sqlite3_stmt*, int);
const void* (*column_origin_name16)(sqlite3_stmt*, int);
const char* (*column_table_name)(sqlite3_stmt*, int);
const void* (*column_table_name16)(sqlite3_stmt*, int);
const unsigned char* (*column_text)(sqlite3_stmt*, int iCol);
const void* (*column_text16)(sqlite3_stmt*, int iCol);
int (*column_type)(sqlite3_stmt*, int iCol);
sqlite3_value* (*column_value)(sqlite3_stmt*, int iCol);
void* (*commit_hook)(sqlite3*, int (*)(void*), void*);
int (*complete)(const char* sql);
int (*complete16)(const void* sql);
int (*create_collation)(sqlite3*, const char*, int, void*, int (*)(void*, int, const void*, int, const void*));
int (*create_collation16)(sqlite3*, const void*, int, void*, int (*)(void*, int, const void*, int, const void*));
int (*create_function)(sqlite3*,
const char*,
int,
int,
void*,
void (*xFunc)(sqlite3_context*, int, sqlite3_value**),
void (*xStep)(sqlite3_context*, int, sqlite3_value**),
void (*xFinal)(sqlite3_context*));
int (*create_function16)(sqlite3*,
const void*,
int,
int,
void*,
void (*xFunc)(sqlite3_context*, int, sqlite3_value**),
void (*xStep)(sqlite3_context*, int, sqlite3_value**),
void (*xFinal)(sqlite3_context*));
int (*create_module)(sqlite3*, const char*, const sqlite3_module*, void*);
int (*data_count)(sqlite3_stmt* pStmt);
sqlite3* (*db_handle)(sqlite3_stmt*);
int (*declare_vtab)(sqlite3*, const char*);
int (*enable_shared_cache)(int);
int (*errcode)(sqlite3* db);
const char* (*errmsg)(sqlite3*);
const void* (*errmsg16)(sqlite3*);
int (*exec)(sqlite3*, const char*, sqlite3_callback, void*, char**);
int (*expired)(sqlite3_stmt*);
int (*finalize)(sqlite3_stmt* pStmt);
void (*free)(void*);
void (*free_table)(char** result);
int (*get_autocommit)(sqlite3*);
void* (*get_auxdata)(sqlite3_context*, int);
int (*get_table)(sqlite3*, const char*, char***, int*, int*, char**);
int (*global_recover)(void);
void (*interruptx)(sqlite3*);
sqlite_int64 (*last_insert_rowid)(sqlite3*);
const char* (*libversion)(void);
int (*libversion_number)(void);
void* (*malloc)(int);
char* (*mprintf)(const char*, ...);
int (*open)(const char*, sqlite3**);
int (*open16)(const void*, sqlite3**);
int (*prepare)(sqlite3*, const char*, int, sqlite3_stmt**, const char**);
int (*prepare16)(sqlite3*, const void*, int, sqlite3_stmt**, const void**);
void* (*profile)(sqlite3*, void (*)(void*, const char*, sqlite_uint64), void*);
void (*progress_handler)(sqlite3*, int, int (*)(void*), void*);
void* (*realloc)(void*, int);
int (*reset)(sqlite3_stmt* pStmt);
void (*result_blob)(sqlite3_context*, const void*, int, void (*)(void*));
void (*result_double)(sqlite3_context*, double);
void (*result_error)(sqlite3_context*, const char*, int);
void (*result_error16)(sqlite3_context*, const void*, int);
void (*result_int)(sqlite3_context*, int);
void (*result_int64)(sqlite3_context*, sqlite_int64);
void (*result_null)(sqlite3_context*);
void (*result_text)(sqlite3_context*, const char*, int, void (*)(void*));
void (*result_text16)(sqlite3_context*, const void*, int, void (*)(void*));
void (*result_text16be)(sqlite3_context*, const void*, int, void (*)(void*));
void (*result_text16le)(sqlite3_context*, const void*, int, void (*)(void*));
void (*result_value)(sqlite3_context*, sqlite3_value*);
void* (*rollback_hook)(sqlite3*, void (*)(void*), void*);
int (*set_authorizer)(sqlite3*, int (*)(void*, int, const char*, const char*, const char*, const char*), void*);
void (*set_auxdata)(sqlite3_context*, int, void*, void (*)(void*));
char* (*snprintf)(int, char*, const char*, ...);
int (*step)(sqlite3_stmt*);
int (*table_column_metadata)(sqlite3*,
const char*,
const char*,
const char*,
char const**,
char const**,
int*,
int*,
int*);
void (*thread_cleanup)(void);
int (*total_changes)(sqlite3*);
void* (*trace)(sqlite3*, void (*xTrace)(void*, const char*), void*);
int (*transfer_bindings)(sqlite3_stmt*, sqlite3_stmt*);
void* (*update_hook)(sqlite3*, void (*)(void*, int, char const*, char const*, sqlite_int64), void*);
void* (*user_data)(sqlite3_context*);
const void* (*value_blob)(sqlite3_value*);
int (*value_bytes)(sqlite3_value*);
int (*value_bytes16)(sqlite3_value*);
double (*value_double)(sqlite3_value*);
int (*value_int)(sqlite3_value*);
sqlite_int64 (*value_int64)(sqlite3_value*);
int (*value_numeric_type)(sqlite3_value*);
const unsigned char* (*value_text)(sqlite3_value*);
const void* (*value_text16)(sqlite3_value*);
const void* (*value_text16be)(sqlite3_value*);
const void* (*value_text16le)(sqlite3_value*);
int (*value_type)(sqlite3_value*);
char* (*vmprintf)(const char*, va_list);
/* Added ??? */
int (*overload_function)(sqlite3*, const char* zFuncName, int nArg);
/* Added by 3.3.13 */
int (*prepare_v2)(sqlite3*, const char*, int, sqlite3_stmt**, const char**);
int (*prepare16_v2)(sqlite3*, const void*, int, sqlite3_stmt**, const void**);
int (*clear_bindings)(sqlite3_stmt*);
/* Added by 3.4.1 */
int (*create_module_v2)(sqlite3*, const char*, const sqlite3_module*, void*, void (*xDestroy)(void*));
/* Added by 3.5.0 */
int (*bind_zeroblob)(sqlite3_stmt*, int, int);
int (*blob_bytes)(sqlite3_blob*);
int (*blob_close)(sqlite3_blob*);
int (*blob_open)(sqlite3*, const char*, const char*, const char*, sqlite3_int64, int, sqlite3_blob**);
int (*blob_read)(sqlite3_blob*, void*, int, int);
int (*blob_write)(sqlite3_blob*, const void*, int, int);
int (*create_collation_v2)(sqlite3*,
const char*,
int,
void*,
int (*)(void*, int, const void*, int, const void*),
void (*)(void*));
int (*file_control)(sqlite3*, const char*, int, void*);
sqlite3_int64 (*memory_highwater)(int);
sqlite3_int64 (*memory_used)(void);
sqlite3_mutex* (*mutex_alloc)(int);
void (*mutex_enter)(sqlite3_mutex*);
void (*mutex_free)(sqlite3_mutex*);
void (*mutex_leave)(sqlite3_mutex*);
int (*mutex_try)(sqlite3_mutex*);
int (*open_v2)(const char*, sqlite3**, int, const char*);
int (*release_memory)(int);
void (*result_error_nomem)(sqlite3_context*);
void (*result_error_toobig)(sqlite3_context*);
int (*sleep)(int);
void (*soft_heap_limit)(int);
sqlite3_vfs* (*vfs_find)(const char*);
int (*vfs_register)(sqlite3_vfs*, int);
int (*vfs_unregister)(sqlite3_vfs*);
int (*xthreadsafe)(void);
void (*result_zeroblob)(sqlite3_context*, int);
void (*result_error_code)(sqlite3_context*, int);
int (*test_control)(int, ...);
void (*randomness)(int, void*);
sqlite3* (*context_db_handle)(sqlite3_context*);
int (*extended_result_codes)(sqlite3*, int);
int (*limit)(sqlite3*, int, int);
sqlite3_stmt* (*next_stmt)(sqlite3*, sqlite3_stmt*);
const char* (*sql)(sqlite3_stmt*);
int (*status)(int, int*, int*, int);
int (*backup_finish)(sqlite3_backup*);
sqlite3_backup* (*backup_init)(sqlite3*, const char*, sqlite3*, const char*);
int (*backup_pagecount)(sqlite3_backup*);
int (*backup_remaining)(sqlite3_backup*);
int (*backup_step)(sqlite3_backup*, int);
const char* (*compileoption_get)(int);
int (*compileoption_used)(const char*);
int (*create_function_v2)(sqlite3*,
const char*,
int,
int,
void*,
void (*xFunc)(sqlite3_context*, int, sqlite3_value**),
void (*xStep)(sqlite3_context*, int, sqlite3_value**),
void (*xFinal)(sqlite3_context*),
void (*xDestroy)(void*));
int (*db_config)(sqlite3*, int, ...);
sqlite3_mutex* (*db_mutex)(sqlite3*);
int (*db_status)(sqlite3*, int, int*, int*, int);
int (*extended_errcode)(sqlite3*);
void (*log)(int, const char*, ...);
sqlite3_int64 (*soft_heap_limit64)(sqlite3_int64);
const char* (*sourceid)(void);
int (*stmt_status)(sqlite3_stmt*, int, int);
int (*strnicmp)(const char*, const char*, int);
int (*unlock_notify)(sqlite3*, void (*)(void**, int), void*);
int (*wal_autocheckpoint)(sqlite3*, int);
int (*wal_checkpoint)(sqlite3*, const char*);
void* (*wal_hook)(sqlite3*, int (*)(void*, sqlite3*, const char*, int), void*);
};
/*
** The following macros redefine the API routines so that they are
** redirected throught the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file
** (part of the main SQLite library - not an extension) so that
** it can get access to the sqlite3_api_routines structure
** definition. But the main library does not want to redefine
** the API. So the redefinition macros are only valid if the
** SQLITE_CORE macros is undefined.
*/
#ifndef SQLITE_CORE
#define sqlite3_aggregate_context sqlite3_api->aggregate_context
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_aggregate_count sqlite3_api->aggregate_count
#endif
#define sqlite3_bind_blob sqlite3_api->bind_blob
#define sqlite3_bind_double sqlite3_api->bind_double
#define sqlite3_bind_int sqlite3_api->bind_int
#define sqlite3_bind_int64 sqlite3_api->bind_int64
#define sqlite3_bind_null sqlite3_api->bind_null
#define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count
#define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index
#define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name
#define sqlite3_bind_text sqlite3_api->bind_text
#define sqlite3_bind_text16 sqlite3_api->bind_text16
#define sqlite3_bind_value sqlite3_api->bind_value
#define sqlite3_busy_handler sqlite3_api->busy_handler
#define sqlite3_busy_timeout sqlite3_api->busy_timeout
#define sqlite3_changes sqlite3_api->changes
#define sqlite3_close sqlite3_api->close
#define sqlite3_collation_needed sqlite3_api->collation_needed
#define sqlite3_collation_needed16 sqlite3_api->collation_needed16
#define sqlite3_column_blob sqlite3_api->column_blob
#define sqlite3_column_bytes sqlite3_api->column_bytes
#define sqlite3_column_bytes16 sqlite3_api->column_bytes16
#define sqlite3_column_count sqlite3_api->column_count
#define sqlite3_column_database_name sqlite3_api->column_database_name
#define sqlite3_column_database_name16 sqlite3_api->column_database_name16
#define sqlite3_column_decltype sqlite3_api->column_decltype
#define sqlite3_column_decltype16 sqlite3_api->column_decltype16
#define sqlite3_column_double sqlite3_api->column_double
#define sqlite3_column_int sqlite3_api->column_int
#define sqlite3_column_int64 sqlite3_api->column_int64
#define sqlite3_column_name sqlite3_api->column_name
#define sqlite3_column_name16 sqlite3_api->column_name16
#define sqlite3_column_origin_name sqlite3_api->column_origin_name
#define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16
#define sqlite3_column_table_name sqlite3_api->column_table_name
#define sqlite3_column_table_name16 sqlite3_api->column_table_name16
#define sqlite3_column_text sqlite3_api->column_text
#define sqlite3_column_text16 sqlite3_api->column_text16
#define sqlite3_column_type sqlite3_api->column_type
#define sqlite3_column_value sqlite3_api->column_value
#define sqlite3_commit_hook sqlite3_api->commit_hook
#define sqlite3_complete sqlite3_api->complete
#define sqlite3_complete16 sqlite3_api->complete16
#define sqlite3_create_collation sqlite3_api->create_collation
#define sqlite3_create_collation16 sqlite3_api->create_collation16
#define sqlite3_create_function sqlite3_api->create_function
#define sqlite3_create_function16 sqlite3_api->create_function16
#define sqlite3_create_module sqlite3_api->create_module
#define sqlite3_create_module_v2 sqlite3_api->create_module_v2
#define sqlite3_data_count sqlite3_api->data_count
#define sqlite3_db_handle sqlite3_api->db_handle
#define sqlite3_declare_vtab sqlite3_api->declare_vtab
#define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache
#define sqlite3_errcode sqlite3_api->errcode
#define sqlite3_errmsg sqlite3_api->errmsg
#define sqlite3_errmsg16 sqlite3_api->errmsg16
#define sqlite3_exec sqlite3_api->exec
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_expired sqlite3_api->expired
#endif
#define sqlite3_finalize sqlite3_api->finalize
#define sqlite3_free sqlite3_api->free
#define sqlite3_free_table sqlite3_api->free_table
#define sqlite3_get_autocommit sqlite3_api->get_autocommit
#define sqlite3_get_auxdata sqlite3_api->get_auxdata
#define sqlite3_get_table sqlite3_api->get_table
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_global_recover sqlite3_api->global_recover
#endif
#define sqlite3_interrupt sqlite3_api->interruptx
#define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid
#define sqlite3_libversion sqlite3_api->libversion
#define sqlite3_libversion_number sqlite3_api->libversion_number
#define sqlite3_malloc sqlite3_api->malloc
#define sqlite3_mprintf sqlite3_api->mprintf
#define sqlite3_open sqlite3_api->open
#define sqlite3_open16 sqlite3_api->open16
#define sqlite3_prepare sqlite3_api->prepare
#define sqlite3_prepare16 sqlite3_api->prepare16
#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
#define sqlite3_profile sqlite3_api->profile
#define sqlite3_progress_handler sqlite3_api->progress_handler
#define sqlite3_realloc sqlite3_api->realloc
#define sqlite3_reset sqlite3_api->reset
#define sqlite3_result_blob sqlite3_api->result_blob
#define sqlite3_result_double sqlite3_api->result_double
#define sqlite3_result_error sqlite3_api->result_error
#define sqlite3_result_error16 sqlite3_api->result_error16
#define sqlite3_result_int sqlite3_api->result_int
#define sqlite3_result_int64 sqlite3_api->result_int64
#define sqlite3_result_null sqlite3_api->result_null
#define sqlite3_result_text sqlite3_api->result_text
#define sqlite3_result_text16 sqlite3_api->result_text16
#define sqlite3_result_text16be sqlite3_api->result_text16be
#define sqlite3_result_text16le sqlite3_api->result_text16le
#define sqlite3_result_value sqlite3_api->result_value
#define sqlite3_rollback_hook sqlite3_api->rollback_hook
#define sqlite3_set_authorizer sqlite3_api->set_authorizer
#define sqlite3_set_auxdata sqlite3_api->set_auxdata
#define sqlite3_snprintf sqlite3_api->snprintf
#define sqlite3_step sqlite3_api->step
#define sqlite3_table_column_metadata sqlite3_api->table_column_metadata
#define sqlite3_thread_cleanup sqlite3_api->thread_cleanup
#define sqlite3_total_changes sqlite3_api->total_changes
#define sqlite3_trace sqlite3_api->trace
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_transfer_bindings sqlite3_api->transfer_bindings
#endif
#define sqlite3_update_hook sqlite3_api->update_hook
#define sqlite3_user_data sqlite3_api->user_data
#define sqlite3_value_blob sqlite3_api->value_blob
#define sqlite3_value_bytes sqlite3_api->value_bytes
#define sqlite3_value_bytes16 sqlite3_api->value_bytes16
#define sqlite3_value_double sqlite3_api->value_double
#define sqlite3_value_int sqlite3_api->value_int
#define sqlite3_value_int64 sqlite3_api->value_int64
#define sqlite3_value_numeric_type sqlite3_api->value_numeric_type
#define sqlite3_value_text sqlite3_api->value_text
#define sqlite3_value_text16 sqlite3_api->value_text16
#define sqlite3_value_text16be sqlite3_api->value_text16be
#define sqlite3_value_text16le sqlite3_api->value_text16le
#define sqlite3_value_type sqlite3_api->value_type
#define sqlite3_vmprintf sqlite3_api->vmprintf
#define sqlite3_overload_function sqlite3_api->overload_function
#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
#define sqlite3_clear_bindings sqlite3_api->clear_bindings
#define sqlite3_bind_zeroblob sqlite3_api->bind_zeroblob
#define sqlite3_blob_bytes sqlite3_api->blob_bytes
#define sqlite3_blob_close sqlite3_api->blob_close
#define sqlite3_blob_open sqlite3_api->blob_open
#define sqlite3_blob_read sqlite3_api->blob_read
#define sqlite3_blob_write sqlite3_api->blob_write
#define sqlite3_create_collation_v2 sqlite3_api->create_collation_v2
#define sqlite3_file_control sqlite3_api->file_control
#define sqlite3_memory_highwater sqlite3_api->memory_highwater
#define sqlite3_memory_used sqlite3_api->memory_used
#define sqlite3_mutex_alloc sqlite3_api->mutex_alloc
#define sqlite3_mutex_enter sqlite3_api->mutex_enter
#define sqlite3_mutex_free sqlite3_api->mutex_free
#define sqlite3_mutex_leave sqlite3_api->mutex_leave
#define sqlite3_mutex_try sqlite3_api->mutex_try
#define sqlite3_open_v2 sqlite3_api->open_v2
#define sqlite3_release_memory sqlite3_api->release_memory
#define sqlite3_result_error_nomem sqlite3_api->result_error_nomem
#define sqlite3_result_error_toobig sqlite3_api->result_error_toobig
#define sqlite3_sleep sqlite3_api->sleep
#define sqlite3_soft_heap_limit sqlite3_api->soft_heap_limit
#define sqlite3_vfs_find sqlite3_api->vfs_find
#define sqlite3_vfs_register sqlite3_api->vfs_register
#define sqlite3_vfs_unregister sqlite3_api->vfs_unregister
#define sqlite3_threadsafe sqlite3_api->xthreadsafe
#define sqlite3_result_zeroblob sqlite3_api->result_zeroblob
#define sqlite3_result_error_code sqlite3_api->result_error_code
#define sqlite3_test_control sqlite3_api->test_control
#define sqlite3_randomness sqlite3_api->randomness
#define sqlite3_context_db_handle sqlite3_api->context_db_handle
#define sqlite3_extended_result_codes sqlite3_api->extended_result_codes
#define sqlite3_limit sqlite3_api->limit
#define sqlite3_next_stmt sqlite3_api->next_stmt
#define sqlite3_sql sqlite3_api->sql
#define sqlite3_status sqlite3_api->status
#define sqlite3_backup_finish sqlite3_api->backup_finish
#define sqlite3_backup_init sqlite3_api->backup_init
#define sqlite3_backup_pagecount sqlite3_api->backup_pagecount
#define sqlite3_backup_remaining sqlite3_api->backup_remaining
#define sqlite3_backup_step sqlite3_api->backup_step
#define sqlite3_compileoption_get sqlite3_api->compileoption_get
#define sqlite3_compileoption_used sqlite3_api->compileoption_used
#define sqlite3_create_function_v2 sqlite3_api->create_function_v2
#define sqlite3_db_config sqlite3_api->db_config
#define sqlite3_db_mutex sqlite3_api->db_mutex
#define sqlite3_db_status sqlite3_api->db_status
#define sqlite3_extended_errcode sqlite3_api->extended_errcode
#define sqlite3_log sqlite3_api->log
#define sqlite3_soft_heap_limit64 sqlite3_api->soft_heap_limit64
#define sqlite3_sourceid sqlite3_api->sourceid
#define sqlite3_stmt_status sqlite3_api->stmt_status
#define sqlite3_strnicmp sqlite3_api->strnicmp
#define sqlite3_unlock_notify sqlite3_api->unlock_notify
#define sqlite3_wal_autocheckpoint sqlite3_api->wal_autocheckpoint
#define sqlite3_wal_checkpoint sqlite3_api->wal_checkpoint
#define sqlite3_wal_hook sqlite3_api->wal_hook
#endif /* SQLITE_CORE */
#define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines* sqlite3_api = 0;
#define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v;
#endif /* _SQLITE3EXT_H_ */