Added integer conversion in toBoolean functions (#1199)
Implemented integer conversion to boolean in both toBoolean and
toBooleanList functions. Also made corresponding changes to regression
tests and broke long lines to adhere to the 79-column line length limit
in the toBooleanList function.
diff --git a/regress/expected/expr.out b/regress/expected/expr.out
index cc582cc..36c0814 100644
--- a/regress/expected/expr.out
+++ b/regress/expected/expr.out
@@ -3094,11 +3094,23 @@
(1 row)
--- should fail
SELECT * FROM cypher('expr', $$
RETURN toBoolean(1)
$$) AS (toBoolean agtype);
-ERROR: toBoolean() unsupported argument agtype 3
+ toboolean
+-----------
+ true
+(1 row)
+
+SELECT * FROM cypher('expr', $$
+ RETURN toBoolean(0)
+$$) AS (toBoolean agtype);
+ toboolean
+-----------
+ false
+(1 row)
+
+-- should fail
SELECT * FROM cypher('expr', $$
RETURN toBoolean()
$$) AS (toBoolean agtype);
@@ -3131,6 +3143,14 @@
[true, false, true]
(1 row)
+SELECT * FROM cypher('expr', $$
+ RETURN toBooleanList([0,1,2,3,4])
+$$) AS (toBooleanList agtype);
+ tobooleanlist
+---------------------------------
+ [false, true, true, true, true]
+(1 row)
+
-- should return null
SELECT * FROM cypher('expr', $$
RETURN toBooleanList([])
@@ -3164,14 +3184,6 @@
[null, null]
(1 row)
-SELECT * FROM cypher('expr', $$
- RETURN toBooleanList([0,1,2,3,4])
-$$) AS (toBooleanList agtype);
- tobooleanlist
---------------------------------
- [null, null, null, null, null]
-(1 row)
-
-- should fail
SELECT * FROM cypher('expr', $$
RETURN toBooleanList(fail)
diff --git a/regress/sql/expr.sql b/regress/sql/expr.sql
index d580271..11635fa 100644
--- a/regress/sql/expr.sql
+++ b/regress/sql/expr.sql
@@ -1356,11 +1356,14 @@
SELECT * FROM cypher('expr', $$
RETURN toBoolean(null)
$$) AS (toBoolean agtype);
--- should fail
SELECT * FROM cypher('expr', $$
RETURN toBoolean(1)
$$) AS (toBoolean agtype);
SELECT * FROM cypher('expr', $$
+ RETURN toBoolean(0)
+$$) AS (toBoolean agtype);
+-- should fail
+SELECT * FROM cypher('expr', $$
RETURN toBoolean()
$$) AS (toBoolean agtype);
@@ -1377,6 +1380,10 @@
RETURN toBooleanList(["True", "False", "True"])
$$) AS (toBooleanList agtype);
+SELECT * FROM cypher('expr', $$
+ RETURN toBooleanList([0,1,2,3,4])
+$$) AS (toBooleanList agtype);
+
-- should return null
SELECT * FROM cypher('expr', $$
RETURN toBooleanList([])
@@ -1394,10 +1401,6 @@
RETURN toBooleanList([["A", "B"], ["C", "D"]])
$$) AS (toBooleanList agtype);
-SELECT * FROM cypher('expr', $$
- RETURN toBooleanList([0,1,2,3,4])
-$$) AS (toBooleanList agtype);
-
-- should fail
SELECT * FROM cypher('expr', $$
RETURN toBooleanList(fail)
diff --git a/src/backend/utils/adt/agtype.c b/src/backend/utils/adt/agtype.c
index 9fd0bb8..7053ab1 100644
--- a/src/backend/utils/adt/agtype.c
+++ b/src/backend/utils/adt/agtype.c
@@ -5713,8 +5713,8 @@
PG_RETURN_NULL();
/*
- * toBoolean() supports bool, text, cstring, or the agtype bool, and string
- * input.
+ * toBoolean() supports bool, text, cstring, integer or the agtype bool,
+ * string and integer input.
*/
arg = args[0];
type = types[0];
@@ -5737,6 +5737,10 @@
else
PG_RETURN_NULL();
}
+ else if (type == INT2OID || type == INT4OID || type == INT8OID)
+ {
+ result = DatumGetBool(DirectFunctionCall1(int4_bool, arg));
+ }
else
ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("toBoolean() unsupported argument type %d",
@@ -5771,6 +5775,11 @@
else
PG_RETURN_NULL();
}
+ else if (agtv_value->type == AGTV_INTEGER)
+ {
+ result = DatumGetBool(DirectFunctionCall1(int4_bool,
+ Int64GetDatum(agtv_value->val.int_value)));
+ }
else
ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("toBoolean() unsupported argument agtype %d",
@@ -5825,7 +5834,7 @@
/* iterate through the list */
for (i = 0; i < count; i++)
{
- // TODO: check element's type, it's value, and convert it to boolean if possible.
+ // check element's type, it's value, and convert it to boolean if possible.
elem = get_ith_agtype_value_from_container(&agt_arg->root, i);
bool_elem.type = AGTV_BOOL;
@@ -5838,17 +5847,20 @@
if (pg_strcasecmp(string, "true") == 0)
{
bool_elem.val.boolean = true;
- agis_result.res = push_agtype_value(&agis_result.parse_state, WAGT_ELEM, &bool_elem);
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
}
else if (pg_strcasecmp(string, "false") == 0)
{
bool_elem.val.boolean = false;
- agis_result.res = push_agtype_value(&agis_result.parse_state, WAGT_ELEM, &bool_elem);
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
}
else
{
bool_elem.type = AGTV_NULL;
- agis_result.res = push_agtype_value(&agis_result.parse_state, WAGT_ELEM, &bool_elem);
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
}
break;
@@ -5856,14 +5868,25 @@
case AGTV_BOOL:
bool_elem.val.boolean = elem->val.boolean;
- agis_result.res = push_agtype_value(&agis_result.parse_state, WAGT_ELEM, &bool_elem);
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
break;
+ case AGTV_INTEGER:
+
+ bool_elem.val.boolean = DatumGetBool(DirectFunctionCall1(int4_bool,
+ Int64GetDatum(elem->val.int_value)));
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
+
+ break;
+
default:
bool_elem.type = AGTV_NULL;
- agis_result.res = push_agtype_value(&agis_result.parse_state, WAGT_ELEM, &bool_elem);
+ agis_result.res = push_agtype_value(&agis_result.parse_state,
+ WAGT_ELEM, &bool_elem);
break;
}