static int echoCreate(
sqlite3 *db,
void *pAux,
int argc, const char *const*argv,
sqlite3_vtab **ppVtab,
char **pzErr
){
int rc = SQLITE_OK;
appendToEchoModule(((EchoModule *)pAux)->interp, "xCreate");
rc = echoConstructor(db, pAux, argc, argv, ppVtab, pzErr);
if( rc==SQLITE_OK && argc==5 ){
char *zSql;
echo_vtab *pVtab = *(echo_vtab **)ppVtab;
pVtab->zLogName = sqlite3_mprintf("%s", argv[4]);
zSql = sqlite3_mprintf("CREATE TABLE %Q(logmsg)", pVtab->zLogName);
rc = sqlite3_exec(db, zSql, 0, 0, 0);
sqlite3_free(zSql);
if( rc!=SQLITE_OK ){
*pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db));
}
}
if( *ppVtab && rc!=SQLITE_OK ){
echoDestructor(*ppVtab);
*ppVtab = 0;
}
if( rc==SQLITE_OK ){
(*(echo_vtab**)ppVtab)->inTransaction = 1;
}
return rc;
}
static int echoConnect(
sqlite3 *db,
void *pAux,
int argc, const char *const*argv,
sqlite3_vtab **ppVtab,
char **pzErr
){
appendToEchoModule(((EchoModule *)pAux)->interp, "xConnect");
return echoConstructor(db, pAux, argc, argv, ppVtab, pzErr);
}
/*
** Echo virtual table module xCreate method.
*/
static int echoCreate(
sqlite3 *db,
void *pAux,
int argc, const char *const*argv,
sqlite3_vtab **ppVtab,
char **pzErr
){
int rc = SQLITE_OK;
appendToEchoModule(((EchoModule *)pAux)->interp, "xCreate");
rc = echoConstructor(db, pAux, argc, argv, ppVtab, pzErr);
/* If there were two arguments passed to the module at the SQL level
** (i.e. "CREATE VIRTUAL TABLE tbl USING echo(arg1, arg2)"), then
** the second argument is used as a table name. Attempt to create
** such a table with a single column, "logmsg". This table will
** be used to log calls to the xUpdate method. It will be deleted
** when the virtual table is DROPed.
**
** Note: The main point of this is to test that we can drop tables
** from within an xDestroy method call.
*/
if( rc==SQLITE_OK && argc==5 ){
char *zSql;
echo_vtab *pVtab = *(echo_vtab **)ppVtab;
pVtab->zLogName = sqlite3_mprintf("%s", argv[4]);
zSql = sqlite3_mprintf("CREATE TABLE %Q(logmsg)", pVtab->zLogName);
rc = sqlite3_exec(db, zSql, 0, 0, 0);
sqlite3_free(zSql);
if( rc!=SQLITE_OK ){
*pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db));
}
}
if( *ppVtab && rc!=SQLITE_OK ){
echoDestructor(*ppVtab);
*ppVtab = 0;
}
if( rc==SQLITE_OK ){
(*(echo_vtab**)ppVtab)->inTransaction = 1;
}
return rc;
}