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Bind addition

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This commit is contained in:
Maas-Maarten Zeeman
2011-11-03 00:58:48 +01:00
parent 93a309aab9
commit ecace408fe
2 changed files with 41 additions and 9 deletions
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28
c_src/esqlite_nif.c
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@@ -10,6 +10,7 @@
#include "queue.h"
#include "sqlite3.h"
#define MAX_ATOM_LENGTH 255 /* from atom.h, not exposed in erlang include */
#define MAX_PATHNAME 512 /* unfortunately not in sqlite.h. */
static ErlNifResourceType *esqlite_connection_type = NULL;
@@ -232,9 +233,12 @@ bind_cell(ErlNifEnv *env, const ERL_NIF_TERM cell, sqlite3_stmt *stmt, unsigned
{
int the_int;
double the_double;
char the_atom[MAX_ATOM_LENGTH+1];
ErlNifBinary the_blob;
/*
erlang atom undefined -> sqlite null
erlang atom (not undefined) -> sqlite text
erlang int -> sqlite int
erlang double -> sqlite double
erlang iolist -> sqlite blob
@@ -244,7 +248,6 @@ bind_cell(ErlNifEnv *env, const ERL_NIF_TERM cell, sqlite3_stmt *stmt, unsigned
/* TODO: check the error codes! */
/* TODO check for atom undefined */
if(enif_get_int(env, cell, &the_int)) {
sqlite3_bind_int(stmt, i, the_int);
return;
@@ -255,7 +258,22 @@ bind_cell(ErlNifEnv *env, const ERL_NIF_TERM cell, sqlite3_stmt *stmt, unsigned
return;
}
/*
if(enif_get_atom(env, cell, the_atom, sizeof(the_atom), ERL_NIF_LATIN1)) {
if(strcmp("undefined", the_atom) == 0) {
sqlite3_bind_null(stmt, i);
return;
}
sqlite3_bind_text(stmt, i, the_atom, strlen(the_atom), SQLITE_TRANSIENT);
return;
}
if(enif_inspect_iolist_as_binary(env, cell, &the_blob)) {
sqlite3_bind_blob(stmt, i, the_blob.data, the_blob.size, SQLITE_TRANSIENT);
return;
}
/* */
sqlite3_bind_int(stmt, i, i);
}
@@ -273,11 +291,13 @@ do_bind(ErlNifEnv *env, sqlite3_stmt *stmt, const ERL_NIF_TERM arg)
return make_error_tuple(env, "bad_arg_list");
if(parameter_count != list_length)
return make_error_tuple(env, "args_wrong_length");
sqlite3_reset(stmt);
list = arg;
for(i = 0; i < list_length; i++) {
for(i=0; i < list_length; i++) {
enif_get_list_cell(env, list, &head, &tail);
bind_cell(env, head, stmt, i);
bind_cell(env, head, stmt, i+1);
list = tail;
}