diff options
Diffstat (limited to 'src/include/utils/jsonpath.h')
| -rw-r--r-- | src/include/utils/jsonpath.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/include/utils/jsonpath.h b/src/include/utils/jsonpath.h index cd0b5d5b61c..98a61d7f72f 100644 --- a/src/include/utils/jsonpath.h +++ b/src/include/utils/jsonpath.h @@ -16,7 +16,9 @@ #include "fmgr.h" #include "nodes/pg_list.h" +#include "nodes/primnodes.h" #include "utils/jsonb.h" +#include "utils/jsonfuncs.h" typedef struct { @@ -174,6 +176,7 @@ extern bool jspGetBool(JsonPathItem *v); extern char *jspGetString(JsonPathItem *v, int32 *len); extern bool jspGetArraySubscript(JsonPathItem *v, JsonPathItem *from, JsonPathItem *to, int i); +extern bool jspIsMutable(JsonPath *path, List *varnames, List *varexprs); extern const char *jspOperationName(JsonPathItemType type); @@ -248,4 +251,34 @@ extern JsonPathParseResult *parsejsonpath(const char *str, int len); extern int jspConvertRegexFlags(uint32 xflags); +/* + * Evaluation of jsonpath + */ + +/* External variable passed into jsonpath. */ +typedef struct JsonPathVariableEvalContext +{ + char *name; + Oid typid; + int32 typmod; + struct ExprContext *econtext; + struct ExprState *estate; + Datum value; + bool isnull; + bool evaluated; +} JsonPathVariableEvalContext; + +/* SQL/JSON item */ +extern void JsonItemFromDatum(Datum val, Oid typid, int32 typmod, + JsonbValue *res); + +extern bool JsonPathExists(Datum jb, JsonPath *path, List *vars, bool *error); +extern Datum JsonPathQuery(Datum jb, JsonPath *jp, JsonWrapper wrapper, + bool *empty, bool *error, List *vars); +extern JsonbValue *JsonPathValue(Datum jb, JsonPath *jp, bool *empty, + bool *error, List *vars); + +extern int EvalJsonPathVar(void *vars, char *varName, int varNameLen, + JsonbValue *val, JsonbValue *baseObject); + #endif |