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New shell command ".load" and the sqlite3_load_extension() API allow

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new SQL functions and collating sequences to be loaded at run-time from
a DLL or shared library. (CVS 3207)

FossilOrigin-Name: 4ca932d3ae9bb97b819b5baf6fd3e1cebda9e0e2
This commit is contained in:
drh
2006-06-08 15:28:43 +00:00
parent 2705912804
commit 1e397f8fb4
8 changed files with 616 additions and 14 deletions
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17
src/shell.c
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@@ -12,7 +12,7 @@
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.138 2006/06/06 12:32:21 drh Exp $
** $Id: shell.c,v 1.139 2006/06/08 15:28:44 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
@@ -759,6 +759,7 @@ static char zHelp[] =
".help Show this message\n"
".import FILE TABLE Import data from FILE into TABLE\n"
".indices TABLE Show names of all indices on TABLE\n"
".load FILE ?ENTRY? Load an extension library\n"
".mode MODE ?TABLE? Set output mode where MODE is one of:\n"
" csv Comma-separated values\n"
" column Left-aligned columns. (See .width)\n"
@@ -1144,6 +1145,20 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
const char *zFile, *zProc;
char *zErrMsg = 0;
int rc;
zFile = azArg[1];
zProc = nArg>=3 ? azArg[2] : 0;
open_db(p);
rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
if( rc!=SQLITE_OK ){
fprintf(stderr, "%s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
}else
if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg>=2 ){
int n2 = strlen(azArg[1]);
if( strncmp(azArg[1],"line",n2)==0