diff options
Diffstat (limited to 'src/include/nodes')
-rw-r--r-- | src/include/nodes/makefuncs.h | 3 | ||||
-rw-r--r-- | src/include/nodes/primnodes.h | 26 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/include/nodes/makefuncs.h b/src/include/nodes/makefuncs.h index 50aa00e0c1b..06d991b7257 100644 --- a/src/include/nodes/makefuncs.h +++ b/src/include/nodes/makefuncs.h @@ -112,6 +112,9 @@ extern JsonFormat *makeJsonFormat(JsonFormatType type, JsonEncoding encoding, int location); extern JsonValueExpr *makeJsonValueExpr(Expr *expr, JsonFormat *format); extern Node *makeJsonKeyValue(Node *key, Node *value); +extern Node *makeJsonIsPredicate(Node *expr, JsonFormat *format, + JsonValueType item_type, bool unique_keys, + int location); extern JsonEncoding makeJsonEncoding(char *name); #endif /* MAKEFUNC_H */ diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index 1764b61cdbd..be9c29f0bfb 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -1583,6 +1583,32 @@ typedef struct JsonConstructorExpr int location; } JsonConstructorExpr; +/* + * JsonValueType - + * representation of JSON item type in IS JSON predicate + */ +typedef enum JsonValueType +{ + JS_TYPE_ANY, /* IS JSON [VALUE] */ + JS_TYPE_OBJECT, /* IS JSON OBJECT */ + JS_TYPE_ARRAY, /* IS JSON ARRAY */ + JS_TYPE_SCALAR /* IS JSON SCALAR */ +} JsonValueType; + +/* + * JsonIsPredicate - + * representation of IS JSON predicate + */ +typedef struct JsonIsPredicate +{ + NodeTag type; + Node *expr; /* subject expression */ + JsonFormat *format; /* FORMAT clause, if specified */ + JsonValueType item_type; /* JSON item type */ + bool unique_keys; /* check key uniqueness? */ + int location; /* token location, or -1 if unknown */ +} JsonIsPredicate; + /* ---------------- * NullTest * |