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authorvvvv <vvvv@yandex-team.com>2024-11-07 12:29:36 +0300
committervvvv <vvvv@yandex-team.com>2024-11-07 13:49:47 +0300
commitd4c258e9431675bab6745c8638df6e3dfd4dca6b (patch)
treeb5efcfa11351152a4c872fccaea35749141c0b11 /yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h
parent13a4f274caef5cfdaf0263b24e4d6bdd5521472b (diff)
downloadydb-d4c258e9431675bab6745c8638df6e3dfd4dca6b.tar.gz
Moved other yql/essentials libs YQL-19206
init commit_hash:7d4c435602078407bbf20dd3c32f9c90d2bbcbc0
Diffstat (limited to 'yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h')
-rw-r--r--yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h b/yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h
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+++ b/yql/essentials/parser/pg_wrapper/postgresql/src/include/utils/jsonfuncs.h
@@ -0,0 +1,66 @@
+/*-------------------------------------------------------------------------
+ *
+ * jsonfuncs.h
+ * Functions to process JSON data types.
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/jsonfuncs.h
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef JSONFUNCS_H
+#define JSONFUNCS_H
+
+#include "common/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);
+
+/* build a JsonLexContext from a text datum */
+extern JsonLexContext *makeJsonLexContext(text *json, bool need_escapes);
+
+/* try to parse json, and errsave(escontext) on failure */
+extern bool pg_parse_json_or_errsave(JsonLexContext *lex, JsonSemAction *sem,
+ struct Node *escontext);
+
+#define pg_parse_json_or_ereport(lex, sem) \
+ (void) pg_parse_json_or_errsave(lex, sem, NULL)
+
+/* save an error during json lexing or parsing */
+extern void json_errsave_error(JsonParseErrorType error, JsonLexContext *lex,
+ struct Node *escontext);
+
+/* get first JSON token */
+extern JsonTokenType json_get_first_token(text *json, bool throw_error);
+
+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