Changeset: d320ddec4159 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/d320ddec4159
Modified Files:
sql/backends/monet5/sql_cat.c
sql/backends/monet5/sql_gencode.c
sql/server/rel_semantic.c
sql/server/rel_updates.c
Branch: default
Log Message:
Don't leave new compilation properties on errors, so set them at a reversible
state. Cleaned my mal function find implementation address code
diffs (210 lines):
diff --git a/sql/backends/monet5/sql_cat.c b/sql/backends/monet5/sql_cat.c
--- a/sql/backends/monet5/sql_cat.c
+++ b/sql/backends/monet5/sql_cat.c
@@ -988,7 +988,7 @@ create_func(mvc *sql, char *sname, char
if (!sff->s || sff->system)
throw(SQL,"sql.create_func", SQLSTATE(42000)
"%s %s: not allowed to replace system %s %s;", base, F, fn, sff->base.name);
- if (sff->lang == FUNC_LANG_MAL &&
!mal_function_find_implementation_address(&fimp, sql, sff)) {
+ if (sff->lang == FUNC_LANG_MAL &&
mal_function_find_implementation_address(&fimp, sql, sff) < 0) {
backend_ok = false;
sql->session->status = 0; /* clean the error */
sql->errstr[0] = '\0';
diff --git a/sql/backends/monet5/sql_gencode.c
b/sql/backends/monet5/sql_gencode.c
--- a/sql/backends/monet5/sql_gencode.c
+++ b/sql/backends/monet5/sql_gencode.c
@@ -1106,81 +1106,77 @@ backend_create_c_func(backend *be, sql_f
int
mal_function_find_implementation_address(str *res, mvc *m, sql_func *f)
{
- mvc *o = m;
+ mvc o = *m;
buffer *b = NULL;
bstream *bs = NULL;
stream *buf = NULL;
char *n = NULL;
int len = _strlen(f->query);
- sql_schema *s = cur_schema(m);
dlist *l, *ext_name;
- if (!(m = ZNEW(mvc))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
- }
- m->type = Q_PARSE;
- m->user_id = m->role_id = USER_MONETDB;
- m->store = o->store;
- if (!(m->pa = sa_create(NULL))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
+ if (!(b = (buffer*)malloc(sizeof(buffer)))) {
+ (void) sql_error(m, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
+ return -1;
}
- if (!(m->session = sql_session_create(m->store, m->pa, 0))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
- }
- if (s)
- m->session->schema = s;
- if (!(m->sa = sa_create(NULL))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
- }
- if (!(b = (buffer*)GDKmalloc(sizeof(buffer)))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
- }
- if (!(n = GDKmalloc(len + 2))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
+ if (!(n = malloc(len + 2))) {
+ free(b);
+ (void) sql_error(m, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
+ return -1;
}
snprintf(n, len + 2, "%s\n", f->query);
len++;
buffer_init(b, n, len);
if (!(buf = buffer_rastream(b, "sqlstatement"))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
+ buffer_destroy(b);
+ (void) sql_error(m, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
+ return -1;
}
if (!(bs = bstream_create(buf, b->len))) {
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
- goto bailout;
+ buffer_destroy(b);
+ (void) sql_error(m, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
+ return -1;
}
scanner_init(&m->scanner, bs, NULL);
m->scanner.mode = LINE_1;
bstream_next(m->scanner.rs);
- (void) sqlparse(m); /* blindly ignore errors */
- assert(m->sym->token == SQL_CREATE_FUNC);
- l = m->sym->data.lval;
- ext_name = l->h->next->next->next->data.lval;
- if (!(*res = _STRDUP(qname_schema_object(ext_name)))) /* found the
implementation, set it */
- (void) sql_error(o, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
-bailout:
- if (m) {
- bstream_destroy(m->scanner.rs);
- if (m->session) {
- sql_session_destroy(m->session);
- }
- if (m->sa)
- sa_destroy(m->sa);
- _DELETE(m);
+ m->type = Q_PARSE;
+ m->user_id = m->role_id = USER_MONETDB;
+ m->params = NULL;
+ m->sym = NULL;
+ m->errstr[0] = '\0';
+ (void) sqlparse(m);
+ if (m->session->status || m->errstr[0] || !m->sym || m->sym->token !=
SQL_CREATE_FUNC) {
+ if (m->errstr[0] == '\0')
+ (void) sql_error(m, 02, SQLSTATE(42000) "Could not
parse CREATE SQL MAL function statement");
+ } else {
+ l = m->sym->data.lval;
+ ext_name = l->h->next->next->next->data.lval;
+ if (!(*res = _STRDUP(qname_schema_object(ext_name)))) /* found
the implementation, set it */
+ (void) sql_error(m, 02, SQLSTATE(HY013)
MAL_MALLOC_FAIL);
}
- m = o;
- if (n)
- GDKfree(n);
- if (b)
- GDKfree(b);
- return m->errstr[0] == '\0'; /* m was set back to o */
+
+ buffer_destroy(b);
+ bstream_destroy(m->scanner.rs);
+
+ m->sym = NULL;
+ o.frames = m->frames; /* may have been realloc'ed */
+ o.sizeframes = m->sizeframes;
+ if (m->session->status || m->errstr[0]) {
+ int status = m->session->status;
+
+ strcpy(o.errstr, m->errstr);
+ *m = o;
+ m->session->status = status;
+ } else {
+ unsigned int label = m->label;
+
+ while (m->topframes > o.topframes)
+ clear_frame(m, m->frames[--m->topframes]);
+ *m = o;
+ m->label = label;
+ }
+ return m->errstr[0] == '\0' ? 0 : -1; /* m was set back to o */
}
static int
@@ -1204,7 +1200,7 @@ backend_create_sql_func(backend *be, sql
if (!f->sql && (f->lang == FUNC_LANG_INT || f->lang == FUNC_LANG_MAL)) {
if (f->lang == FUNC_LANG_MAL && !f->imp) {
char *imp = NULL;
- if (!mal_function_find_implementation_address(&imp, m,
f))
+ if (mal_function_find_implementation_address(&imp, m,
f) < 0)
return -1;
f->imp = sa_strdup(f->sa, imp);
_DELETE(imp);
diff --git a/sql/server/rel_semantic.c b/sql/server/rel_semantic.c
--- a/sql/server/rel_semantic.c
+++ b/sql/server/rel_semantic.c
@@ -36,12 +36,6 @@ rel_parse(mvc *m, sql_schema *s, const c
sql_schema *c = cur_schema(m);
sql_query *qc = NULL;
- m->qc = NULL;
-
- m->emode = emode;
- if (s)
- m->session->schema = s;
-
if ((b = malloc(sizeof(buffer))) == NULL)
return NULL;
if ((n = malloc(len + 1 + 1)) == NULL) {
@@ -65,6 +59,10 @@ rel_parse(mvc *m, sql_schema *s, const c
m->scanner.mode = LINE_1;
bstream_next(m->scanner.rs);
+ m->qc = NULL;
+ m->emode = emode;
+ if (s)
+ m->session->schema = s;
m->params = NULL;
m->sym = NULL;
m->errstr[0] = '\0';
diff --git a/sql/server/rel_updates.c b/sql/server/rel_updates.c
--- a/sql/server/rel_updates.c
+++ b/sql/server/rel_updates.c
@@ -1891,12 +1891,6 @@ rel_parse_val(mvc *m, sql_schema *sch, c
stream *s;
bstream *bs;
- m->qc = NULL;
-
- if (sch)
- m->session->schema = sch;
-
- m->emode = emode;
b = malloc(sizeof(buffer));
len += 8; /* add 'select ;' */
n = malloc(len + 1 + 1);
@@ -1922,6 +1916,10 @@ rel_parse_val(mvc *m, sql_schema *sch, c
m->scanner.mode = LINE_1;
bstream_next(m->scanner.rs);
+ m->qc = NULL;
+ if (sch)
+ m->session->schema = sch;
+ m->emode = emode;
m->params = NULL;
m->sym = NULL;
m->errstr[0] = '\0';
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