/* 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; }