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Move some code from jsonapi.c to jsonfuncs.c.

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Specifically, move those functions that depend on ereport()
from jsonapi.c to jsonfuncs.c, in preparation for allowing
jsonapi.c to be used from frontend code.

A few cases where elog(ERROR, ...) is used for can't-happen
conditions are left alone; we can handle those in some other
way in frontend code.

Reviewed by Mark Dilger and Andrew Dunstan.

Discussion: http://postgr.es/m/CA+TgmoYfOXhd27MUDGioVh6QtpD0C1K-f6ObSA10AWiHBAL5bA@mail.gmail.com
This commit is contained in:
Robert Haas
2020-01-27 11:22:13 -05:00
parent 1f3a021730
commit 73ce2a03f3
6 changed files with 140 additions and 141 deletions
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9
src/include/utils/jsonfuncs.h
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@ -36,6 +36,15 @@ typedef void (*JsonIterateStringValuesAction) (void *state, char *elem_value, in
/* 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);
/* build a JsonLexContext from a text datum */
extern JsonLexContext *makeJsonLexContext(text *json, bool need_escapes);
/* try to parse json, and ereport(ERROR) on failure */
extern void pg_parse_json_or_ereport(JsonLexContext *lex, JsonSemAction *sem);
/* report an error during json lexing or parsing */
extern void json_ereport_error(JsonParseErrorType error, JsonLexContext *lex);
extern uint32 parse_jsonb_index_flags(Jsonb *jb);
extern void iterate_jsonb_values(Jsonb *jb, uint32 flags, void *state,
JsonIterateStringValuesAction action);