[Tarantool-patches] [PATCH v2 1/3] sql: improve "no such constraint" error message
Roman Khabibov
roman.habibov at tarantool.org
Sat Feb 29 15:46:44 MSK 2020
Clarify the error message for better user handling. Add the name
of space where the constraint under dropping didn't founded.
Part of #4120
---
src/box/errcode.h | 2 +-
src/box/sql/alter.c | 2 +-
src/box/sql/build.c | 24 +++++++++++++-----------
test/sql-tap/alter2.test.lua | 2 +-
test/sql/checks.result | 2 +-
5 files changed, 17 insertions(+), 15 deletions(-)
diff --git a/src/box/errcode.h b/src/box/errcode.h
index 6f6e28c6c..b7787d378 100644
--- a/src/box/errcode.h
+++ b/src/box/errcode.h
@@ -221,7 +221,7 @@ struct errcode_record {
/*166 */_(ER_NO_SUCH_COLLATION, "Collation '%s' does not exist") \
/*167 */_(ER_CREATE_FK_CONSTRAINT, "Failed to create foreign key constraint '%s': %s") \
/*168 */_(ER_DROP_FK_CONSTRAINT, "Failed to drop foreign key constraint '%s': %s") \
- /*169 */_(ER_NO_SUCH_CONSTRAINT, "Constraint %s does not exist") \
+ /*169 */_(ER_NO_SUCH_CONSTRAINT, "Constraint '%s' does not exist in space '%s'") \
/*170 */_(ER_CONSTRAINT_EXISTS, "%s constraint '%s' already exists in space '%s'") \
/*171 */_(ER_SQL_TYPE_MISMATCH, "Type mismatch: can not convert %s to %s") \
/*172 */_(ER_ROWID_OVERFLOW, "Rowid is overflowed: too many entries in ephemeral space") \
diff --git a/src/box/sql/alter.c b/src/box/sql/alter.c
index 973b420cf..14f6c1a97 100644
--- a/src/box/sql/alter.c
+++ b/src/box/sql/alter.c
@@ -121,7 +121,7 @@ sql_alter_ck_constraint_enable(struct Parse *parse)
int addr = sqlVdbeAddOp4Int(v, OP_Found, cursor, 0, key_reg, 2);
sqlVdbeAddOp4(v, OP_SetDiag, ER_NO_SUCH_CONSTRAINT, 0, 0,
sqlMPrintf(db, tnt_errcode_desc(ER_NO_SUCH_CONSTRAINT),
- constraint_name), P4_DYNAMIC);
+ constraint_name, tbl_name), P4_DYNAMIC);
sqlVdbeAddOp2(v, OP_Halt, -1, ON_CONFLICT_ACTION_ABORT);
sqlVdbeJumpHere(v, addr);
diff --git a/src/box/sql/build.c b/src/box/sql/build.c
index bc50ecbfa..d9bf8de91 100644
--- a/src/box/sql/build.c
+++ b/src/box/sql/build.c
@@ -1476,21 +1476,21 @@ vdbe_emit_stat_space_clear(struct Parse *parse, const char *stat_table_name,
* @param constraint_name Name of FK constraint to be dropped.
* Must be allocated on head by sqlDbMalloc().
* It will be freed in VDBE.
- * @param child_id Id of table which constraint belongs to.
+ * @param child_def Def of table which constraint belongs to.
*/
static void
vdbe_emit_fk_constraint_drop(struct Parse *parse_context, char *constraint_name,
- uint32_t child_id)
+ struct space_def *child_def)
{
struct Vdbe *vdbe = sqlGetVdbe(parse_context);
assert(vdbe != NULL);
int key_reg = sqlGetTempRange(parse_context, 3);
sqlVdbeAddOp4(vdbe, OP_String8, 0, key_reg, 0, constraint_name,
P4_DYNAMIC);
- sqlVdbeAddOp2(vdbe, OP_Integer, child_id, key_reg + 1);
+ sqlVdbeAddOp2(vdbe, OP_Integer, child_def->id, key_reg + 1);
const char *error_msg =
tt_sprintf(tnt_errcode_desc(ER_NO_SUCH_CONSTRAINT),
- constraint_name);
+ constraint_name, child_def->name);
if (vdbe_emit_halt_with_presence_test(parse_context,
BOX_FK_CONSTRAINT_ID, 0,
key_reg, 2, ER_NO_SUCH_CONSTRAINT,
@@ -1510,21 +1510,22 @@ vdbe_emit_fk_constraint_drop(struct Parse *parse_context, char *constraint_name,
*
* @param parser Parsing context.
* @param ck_name Name of CK constraint to be dropped.
- * @param space_id Id of table which constraint belongs to.
+ * @param space_def Def of table which constraint belongs to.
*/
static void
vdbe_emit_ck_constraint_drop(struct Parse *parser, const char *ck_name,
- uint32_t space_id)
+ struct space_def *space_def)
{
struct Vdbe *v = sqlGetVdbe(parser);
struct sql *db = v->db;
assert(v != NULL);
int key_reg = sqlGetTempRange(parser, 3);
- sqlVdbeAddOp2(v, OP_Integer, space_id, key_reg);
+ sqlVdbeAddOp2(v, OP_Integer, space_def->id, key_reg);
sqlVdbeAddOp4(v, OP_String8, 0, key_reg + 1, 0,
sqlDbStrDup(db, ck_name), P4_DYNAMIC);
const char *error_msg =
- tt_sprintf(tnt_errcode_desc(ER_NO_SUCH_CONSTRAINT), ck_name);
+ tt_sprintf(tnt_errcode_desc(ER_NO_SUCH_CONSTRAINT), ck_name,
+ space_def->name);
if (vdbe_emit_halt_with_presence_test(parser, BOX_CK_CONSTRAINT_ID, 0,
key_reg, 2, ER_NO_SUCH_CONSTRAINT,
error_msg, false, OP_Found) != 0)
@@ -1658,14 +1659,15 @@ sql_code_drop_table(struct Parse *parse_context, struct space *space,
char *fk_name_dup = sqlDbStrDup(v->db, child_fk->def->name);
if (fk_name_dup == NULL)
return;
- vdbe_emit_fk_constraint_drop(parse_context, fk_name_dup, space_id);
+ vdbe_emit_fk_constraint_drop(parse_context, fk_name_dup,
+ space->def);
}
/* Delete all CK constraints. */
struct ck_constraint *ck_constraint;
rlist_foreach_entry(ck_constraint, &space->ck_constraint, link) {
vdbe_emit_ck_constraint_drop(parse_context,
ck_constraint->def->name,
- space_id);
+ space->def);
}
/*
* Drop all _space and _index entries that refer to the
@@ -2071,7 +2073,7 @@ sql_drop_foreign_key(struct Parse *parse_context)
return;
}
vdbe_emit_fk_constraint_drop(parse_context, constraint_name,
- child->def->id);
+ child->def);
/*
* We account changes to row count only if drop of
* foreign keys take place in a separate
diff --git a/test/sql-tap/alter2.test.lua b/test/sql-tap/alter2.test.lua
index 3e21a5f40..759acc9c3 100755
--- a/test/sql-tap/alter2.test.lua
+++ b/test/sql-tap/alter2.test.lua
@@ -256,7 +256,7 @@ test:do_catchsql_test(
ALTER TABLE child DROP CONSTRAINT fake;
]], {
-- <alter2-5.2>
- 1, "Constraint FAKE does not exist"
+ 1, "Constraint 'FAKE' does not exist in space 'CHILD'"
-- </alter2-5.2>
})
diff --git a/test/sql/checks.result b/test/sql/checks.result
index 4ae0b4c10..7b18e5d6b 100644
--- a/test/sql/checks.result
+++ b/test/sql/checks.result
@@ -801,7 +801,7 @@ box.execute('ALTER TABLE test ADD CONSTRAINT \"some_ck\" CHECK(a < 10);')
box.execute("ALTER TABLE test DISABLE CHECK CONSTRAINT \"falsch\"")
---
- null
-- Constraint falsch does not exist
+- Constraint 'falsch' does not exist in space 'TEST'
...
box.execute("ALTER TABLE test DISABLE CHECK CONSTRAINT \"some_ck\"")
---
--
2.21.0 (Apple Git-122)
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