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Add internal support for collating sequences. This breaks 244 tests. (CVS 1420)

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FossilOrigin-Name: a6cb09d7af537726acc87b9133f68c81e839e047
This commit is contained in:
drh
2004-05-20 22:16:29 +00:00
parent 53db145800
commit d3d39e939d
20 changed files with 530 additions and 445 deletions
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23
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.177 2004/05/20 11:00:52 danielk1977 Exp $
** $Id: main.c,v 1.178 2004/05/20 22:16:29 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -375,6 +375,24 @@ const char sqlite3_encoding[] = "UTF-8";
const char sqlite3_encoding[] = "iso8859";
#endif
/*
** This is the default collating function named "BINARY" which is always
** available.
*/
static int binaryCollatingFunc(
void *NotUsed,
int nKey1, const void *pKey1,
int nKey2, const void *pKey2
){
int rc, n;
n = nKey1<nKey2 ? nKey1 : nKey2;
rc = memcmp(pKey1, pKey2, n);
if( rc==0 ){
rc = nKey1 - nKey2;
}
return rc;
}
/*
** Open a new SQLite database. Construct an "sqlite" structure to define
** the state of this database and return a pointer to that structure.
@@ -399,12 +417,15 @@ sqlite *sqlite3_open(const char *zFilename, int mode, char **pzErrMsg){
db->aDb = db->aDbStatic;
/* db->flags |= SQLITE_ShortColNames; */
sqlite3HashInit(&db->aFunc, SQLITE_HASH_STRING, 1);
sqlite3HashInit(&db->aCollSeq, SQLITE_HASH_STRING, 0);
for(i=0; i<db->nDb; i++){
sqlite3HashInit(&db->aDb[i].tblHash, SQLITE_HASH_STRING, 0);
sqlite3HashInit(&db->aDb[i].idxHash, SQLITE_HASH_STRING, 0);
sqlite3HashInit(&db->aDb[i].trigHash, SQLITE_HASH_STRING, 0);
sqlite3HashInit(&db->aDb[i].aFKey, SQLITE_HASH_STRING, 1);
}
db->pDfltColl =
sqlite3ChangeCollatingFunction(db, "BINARY", 6, 0, binaryCollatingFunc);
/* Open the backend database driver */
if( zFilename[0]==':' && strcmp(zFilename,":memory:")==0 ){