Changeset: 090b57f9574b for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/090b57f9574b
Modified Files:
gdk/gdk_logger.c
sql/backends/monet5/sql_upgrades.c
sql/storage/bat/bat_storage.c
Branch: Jun2023
Log Message:
When BATdescriptor returns NULL it's almost invariably an error.
So return an error, don't just do nothing.
diffs (164 lines):
diff --git a/gdk/gdk_logger.c b/gdk/gdk_logger.c
--- a/gdk/gdk_logger.c
+++ b/gdk/gdk_logger.c
@@ -2085,6 +2085,12 @@ log_load(const char *fn, const char *log
lg->seqs_val = BATdescriptor(BBPindex(bak));
strconcat_len(bak, sizeof(bak), fn, "_dseqs", NULL);
lg->dseqs = BATdescriptor(BBPindex(bak));
+ if (lg->seqs_id == NULL ||
+ lg->seqs_val == NULL ||
+ lg->dseqs == NULL) {
+ GDKerror("Logger_new: cannot load seqs bats");
+ goto error;
+ }
} else {
lg->seqs_id = logbat_new(TYPE_int, 1, PERSISTENT);
lg->seqs_val = logbat_new(TYPE_lng, 1, PERSISTENT);
diff --git a/sql/backends/monet5/sql_upgrades.c
b/sql/backends/monet5/sql_upgrades.c
--- a/sql/backends/monet5/sql_upgrades.c
+++ b/sql/backends/monet5/sql_upgrades.c
@@ -190,26 +190,28 @@ check_sys_tables(Client c, mvc *m, sql_s
if (err)
return err;
BAT *b;
- if ((b = BATdescriptor(output->cols[0].b)) != NULL) {
- if (BATcount(b) > 0) {
- BATiter bi = bat_iterator(b);
- needsystabfix = * (int *) BUNtloc(bi, 0) != id;
- bat_iterator_end(&bi);
- }
- BBPunfix(b->batCacheid);
+ b = BATdescriptor(output->cols[0].b);
+ res_table_destroy(output);
+ if (b == NULL)
+ throw(SQL, "sql.catalog", SQLSTATE(HY013)
MAL_MALLOC_FAIL);
+ if (BATcount(b) > 0) {
+ BATiter bi = bat_iterator(b);
+ needsystabfix = * (int *) BUNtloc(bi, 0) != id;
+ bat_iterator_end(&bi);
}
- res_table_destroy(output);
+ BBPunfix(b->batCacheid);
if (i == 0 && !needsystabfix) {
snprintf(buf, sizeof(buf),
"select a.type from sys.functions f
join sys.args a on f.id = a.func_id where f.name = 'quarter' and f.schema_id =
2000 and a.inout = 0 and a.type = 'int';\n");
err = SQLstatementIntern(c, buf, "update", true, false,
&output);
if (err)
return err;
- if ((b = BATdescriptor(output->cols[0].b)) != NULL) {
- needsystabfix = BATcount(b) > 0;
- BBPunfix(b->batCacheid);
- }
+ b = BATdescriptor(output->cols[0].b);
res_table_destroy(output);
+ if (b == NULL)
+ throw(SQL, "sql.catalog", SQLSTATE(HY013)
MAL_MALLOC_FAIL);
+ needsystabfix = BATcount(b) > 0;
+ BBPunfix(b->batCacheid);
}
if (needsystabfix)
return sql_fix_system_tables(c, m);
@@ -1703,6 +1705,11 @@ sql_update_jun2020_bam(Client c, mvc *m)
return err;
}
b = BATdescriptor(output->cols[0].b);
+ res_table_destroy(output);
+ if (b == NULL) {
+ GDKfree(buf);
+ throw(SQL, "sql.catalog", SQLSTATE(HY013) MAL_MALLOC_FAIL);
+ }
pos = 0;
pos += snprintf(buf + pos, bufsize - pos,
"update sys.schemas set system = false where name =
'bam';\n"
@@ -1718,20 +1725,17 @@ sql_update_jun2020_bam(Client c, mvc *m)
"drop function bam.seq_char cascade;\n"
"drop procedure bam.sam_export cascade;\n"
"drop procedure bam.bam_export cascade;\n");
- if (b) {
- if (BATcount(b) > 0 && *(lng *) Tloc(b, 0) == 0) {
- /* tables in bam schema are empty: drop them */
- pos += snprintf(buf + pos, bufsize - pos,
- "drop table bam.sq cascade;\n"
- "drop table bam.rg cascade;\n"
- "drop table bam.pg cascade;\n"
- "drop table bam.export cascade;\n"
- "drop table bam.files cascade;\n"
- "drop schema bam cascade;\n");
- }
- BBPunfix(b->batCacheid);
+ if (BATcount(b) > 0 && *(lng *) Tloc(b, 0) == 0) {
+ /* tables in bam schema are empty: drop them */
+ pos += snprintf(buf + pos, bufsize - pos,
+ "drop table bam.sq cascade;\n"
+ "drop table bam.rg cascade;\n"
+ "drop table bam.pg cascade;\n"
+ "drop table bam.export
cascade;\n"
+ "drop table bam.files
cascade;\n"
+ "drop schema bam cascade;\n");
}
- res_table_destroy(output);
+ BBPunfix(b->batCacheid);
assert(pos < bufsize);
@@ -1943,6 +1947,8 @@ sql_update_oscar(Client c, mvc *sql)
err = SQLstatementIntern(c, buf, "update", true, false,
NULL);
}
BBPunfix(b->batCacheid);
+ } else {
+ err = createException(SQL, "sql.catalog", SQLSTATE(HY013)
MAL_MALLOC_FAIL);
}
res_table_destroy(output);
GDKfree(buf);
@@ -2080,6 +2086,8 @@ sql_update_oct2020(Client c, mvc *sql)
goto bailout;
err = sql_update_storagemodel(c, sql, true); /* because
of day interval addition, we have to recreate the storagmodel views */
}
+ } else {
+ err = createException(SQL, "sql.catalog", SQLSTATE(HY013)
MAL_MALLOC_FAIL);
}
bailout:
@@ -3148,6 +3156,8 @@ sql_update_jul2021(Client c, mvc *sql)
fflush(stdout);
err = SQLstatementIntern(c, buf, "update", true, false,
NULL);
}
+ } else {
+ err = createException(SQL, "sql.catalog", SQLSTATE(HY013)
MAL_MALLOC_FAIL);
}
bailout:
@@ -3229,6 +3239,8 @@ sql_update_jul2021_5(Client c, mvc *sql)
err = SQLstatementIntern(c, buf, "update",
true, false, NULL);
}
BBPunfix(b->batCacheid);
+ } else {
+ err = createException(SQL, "sql.catalog",
SQLSTATE(HY013) MAL_MALLOC_FAIL);
}
res_table_destroy(output);
}
diff --git a/sql/storage/bat/bat_storage.c b/sql/storage/bat/bat_storage.c
--- a/sql/storage/bat/bat_storage.c
+++ b/sql/storage/bat/bat_storage.c
@@ -1614,13 +1614,15 @@ cs_update_bat( sql_trans *tr, sql_delta
if (b == NULL) {
res = LOG_ERR;
- } else if (BATcount(b)==0) {
- if (BATappend(b, updates, NULL, true) != GDK_SUCCEED)
/* alter add column */
+ } else {
+ if (BATcount(b)==0) {
+ if (BATappend(b, updates, NULL, true) !=
GDK_SUCCEED) /* alter add column */
+ res = LOG_ERR;
+ } else if (BATreplace(b, tids, updates, true) !=
GDK_SUCCEED)
res = LOG_ERR;
- } else if (BATreplace(b, tids, updates, true) != GDK_SUCCEED)
- res = LOG_ERR;
- BBPcold(b->batCacheid);
- bat_destroy(b);
+ BBPcold(b->batCacheid);
+ bat_destroy(b);
+ }
}
unlock_table(tr->store, t->base.id);
if (otids != tids)
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