database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-10-24 09:53:10 +03:00
Code Activity

Enhance the built-in function quote() to support blob values. (CVS 1541)

Browse Source 
FossilOrigin-Name: 97aa54bb70715934e0af082d51b9b0f6bb847e8e
This commit is contained in:
danielk1977
2004-06-08 00:39:01 +00:00
parent 4f057f904a
commit 3f41e976e8
4 changed files with 38 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/func.c
View File

@@ -16,7 +16,7 @@
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.64 2004/06/06 12:41:50 danielk1977 Exp $
** $Id: func.c,v 1.65 2004/06/08 00:39:01 danielk1977 Exp $
*/
#include <ctype.h>
#include <math.h>
@@ -604,7 +604,33 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
sqlite3_result_value(context, argv[0]);
break;
}
case SQLITE_BLOB: /*** FIX ME. Use a BLOB encoding ***/
case SQLITE_BLOB: {
static const char hexdigits[] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
char *zText = 0;
int nBlob = sqlite3_value_bytes(argv[0]);
char const *zBlob = sqlite3_value_blob(argv[0]);
zText = (char *)sqliteMalloc((2*nBlob)+4);
if( !zText ){
sqlite3_result_error(context, "out of memory", -1);
}else{
int i;
for(i=0; i<nBlob; i++){
zText[(i*2)+2] = hexdigits[(zBlob[i]>>4)&0x0F];
zText[(i*2)+3] = hexdigits[(zBlob[i])&0x0F];
}
zText[(nBlob*2)+2] = '\'';
zText[(nBlob*2)+3] = '\0';
zText[0] = 'X';
zText[1] = '\'';
sqlite3_result_text(context, zText, -1, 1);
sqliteFree(zText);
}
break;
}
case SQLITE_TEXT: {
int i,j,n;
const char *zArg = sqlite3_value_text(argv[0]);