mirror of
https://github.com/postgres/postgres.git
synced 2026-03-17 08:03:01 -04:00
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
|
/*-------------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
* jsonfuncs.h
|
||
|
|
* Functions to process JSON data types.
|
||
|
|
*
|
||
|
|
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
|
||
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
||
|
|
*
|
||
|
|
* src/include/utils/jsonapi.h
|
||
|
|
*
|
||
|
|
*-------------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef JSONFUNCS_H
|
||
|
|
#define JSONFUNCS_H
|
||
|
|
|
||
|
|
#include "utils/jsonapi.h"
|
||
|
|
#include "utils/jsonb.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Flag types for iterate_json(b)_values to specify what elements from a
|
||
|
|
* json(b) document we want to iterate.
|
||
|
|
*/
|
||
|
|
typedef enum JsonToIndex
|
||
|
|
{
|
||
|
|
jtiKey = 0x01,
|
||
|
|
jtiString = 0x02,
|
||
|
|
jtiNumeric = 0x04,
|
||
|
|
jtiBool = 0x08,
|
||
|
|
jtiAll = jtiKey | jtiString | jtiNumeric | jtiBool
|
||
|
|
} JsonToIndex;
|
||
|
|
|
||
|
|
/* an action that will be applied to each value in iterate_json(b)_values functions */
|
||
|
|
typedef void (*JsonIterateStringValuesAction) (void *state, char *elem_value, int elem_len);
|
||
|
|
|
||
|
|
/* an action that will be applied to each value in transform_json(b)_values functions */
|
||
|
|
typedef text *(*JsonTransformStringValuesAction) (void *state, char *elem_value, int elem_len);
|
||
|
|
|
||
|
|
extern uint32 parse_jsonb_index_flags(Jsonb *jb);
|
||
|
|
extern void iterate_jsonb_values(Jsonb *jb, uint32 flags, void *state,
|
||
|
|
JsonIterateStringValuesAction action);
|
||
|
|
extern void iterate_json_values(text *json, uint32 flags, void *action_state,
|
||
|
|
JsonIterateStringValuesAction action);
|
||
|
|
extern Jsonb *transform_jsonb_string_values(Jsonb *jsonb, void *action_state,
|
||
|
|
JsonTransformStringValuesAction transform_action);
|
||
|
|
extern text *transform_json_string_values(text *json, void *action_state,
|
||
|
|
JsonTransformStringValuesAction transform_action);
|
||
|
|
|
||
|
|
#endif
|