/* Current interface:
** argv[0] - module name
** argv[1] - database name
** argv[2] - table name
** argv[3] - tokenizer name (optional, a sensible default is provided)
** argv[4..] - passed to tokenizer (optional based on tokenizer)
**/
static int fulltextConnect(sqlite3 *db, void *pAux, int argc, char **argv,
sqlite3_vtab **ppVTab){
int rc;
fulltext_vtab *v;
sqlite3_tokenizer_module *m = NULL;
assert( argc>=3 );
v = (fulltext_vtab *) malloc(sizeof(fulltext_vtab));
/* sqlite will initialize v->base */
v->db = db;
v->zName = string_dup(argv[2]);
v->pTokenizer = NULL;
if( argc==3 ){
get_simple_tokenizer_module(&m);
} else {
/* TODO(shess) For now, add new tokenizers as else if clauses. */
if( !strcmp(argv[3], "simple") ){
get_simple_tokenizer_module(&m);
} else {
assert( "unrecognized tokenizer"==NULL );
}
}
/* TODO(shess) Since tokenization impacts the index, the parameters
** to the tokenizer need to be identical when a persistent virtual
** table is re-created. One solution would be a meta-table to track
** such information in the database. Then we could verify that the
** information is identical on subsequent creates.
*/
/* TODO(shess) Why isn't argv already (const char **)? */
rc = m->xCreate(argc-3, (const char **) (argv+3), &v->pTokenizer);
if( rc!=SQLITE_OK ) return rc;
v->pTokenizer->pModule = m;
/* TODO: verify the existence of backing tables foo_content, foo_term */
rc = sqlite3_declare_vtab(db, "create table x(content text)");
if( rc!=SQLITE_OK ) return rc;
memset(v->pFulltextStatements, 0, sizeof(v->pFulltextStatements));
*ppVTab = &v->base;
return SQLITE_OK;
}
static int fulltextConnect(sqlite3 *db, void *pAux, int argc, char **argv,
sqlite3_vtab **ppVTab){
int rc;
fulltext_vtab *v;
sqlite3_tokenizer_module *m = NULL;
assert( argc>=3 );
v = (fulltext_vtab *) malloc(sizeof(fulltext_vtab));
v->db = db;
v->zName = string_dup(argv[2]);
v->pTokenizer = NULL;
if( argc==3 ){
get_simple_tokenizer_module(&m);
} else {
if( !strcmp(argv[3], "simple") ){
get_simple_tokenizer_module(&m);
} else {
assert( "unrecognized tokenizer"==NULL );
}
}
rc = m->xCreate(argc-3, (const char **) (argv+3), &v->pTokenizer);
if( rc!=SQLITE_OK ) return rc;
v->pTokenizer->pModule = m;
rc = sqlite3_declare_vtab(db, "create table x(content text)");
if( rc!=SQLITE_OK ) return rc;
memset(v->pFulltextStatements, 0, sizeof(v->pFulltextStatements));
*ppVTab = &v->base;
return SQLITE_OK;
}
