diff options
| author | drh <> | 2023-11-08 16:37:12 +0000 |
|---|---|---|
| committer | drh <> | 2023-11-08 16:37:12 +0000 |
| commit | b494366370f5f9698e574150c5a4309d7c3dc78b (patch) | |
| tree | cd357dc6924d0e036f93a07283cbb925824575bc /src/json.c | |
| parent | 6234b334782b41db9aff8f8b688aba4e3f2b59bc (diff) | |
| download | sqlite-b494366370f5f9698e574150c5a4309d7c3dc78b.tar.gz sqlite-b494366370f5f9698e574150c5a4309d7c3dc78b.zip | |
More precise characterization of JSON functions. Indicate when functions might
return JSON (subtype 'J') and when they make use of the function argument cache.
FossilOrigin-Name: b2b62546c4a5e9dccb8aa0cb8eda228d662c69159e320b01a377317bc909e89f
Diffstat (limited to 'src/json.c')
| -rw-r--r-- | src/json.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/src/json.c b/src/json.c index c2129a026..407ca2d0e 100644 --- a/src/json.c +++ b/src/json.c @@ -3804,27 +3804,30 @@ static sqlite3_module jsonTreeModule = { void sqlite3RegisterJsonFunctions(void){ #ifndef SQLITE_OMIT_JSON static FuncDef aJsonFunc[] = { - JFUNCTION(json, 1, 0, jsonRemoveFunc), - JFUNCTION(json_array, -1, 0, jsonArrayFunc), - JFUNCTION(json_array_length, 1, 0, jsonArrayLengthFunc), - JFUNCTION(json_array_length, 2, 0, jsonArrayLengthFunc), - JFUNCTION(json_error_position,1, 0, jsonErrorFunc), - JFUNCTION(json_extract, -1, 0, jsonExtractFunc), - JFUNCTION(->, 2, JSON_JSON, jsonExtractFunc), - JFUNCTION(->>, 2, JSON_SQL, jsonExtractFunc), - JFUNCTION(json_insert, -1, 0, jsonSetFunc), - JFUNCTION(json_object, -1, 0, jsonObjectFunc), - JFUNCTION(json_patch, 2, 0, jsonPatchFunc), - JFUNCTION(json_quote, 1, 0, jsonQuoteFunc), - JFUNCTION(json_remove, -1, 0, jsonRemoveFunc), - JFUNCTION(json_replace, -1, 0, jsonReplaceFunc), - JFUNCTION(json_set, -1, JSON_ISSET, jsonSetFunc), - JFUNCTION(json_type, 1, 0, jsonTypeFunc), - JFUNCTION(json_type, 2, 0, jsonTypeFunc), - JFUNCTION(json_valid, 1, 0, jsonValidFunc), + /* Uses cache ------, ,---- Might return JSON (subtype J) */ + /* Num args ________ | | ___ Flags */ + /* \ | | / */ + JFUNCTION(json, 1, 1, 1, 0, jsonRemoveFunc), + JFUNCTION(json_array, -1, 0, 1, 0, jsonArrayFunc), + JFUNCTION(json_array_length, 1, 1, 0, 0, jsonArrayLengthFunc), + JFUNCTION(json_array_length, 2, 1, 0, 0, jsonArrayLengthFunc), + JFUNCTION(json_error_position,1, 1, 0, 0, jsonErrorFunc), + JFUNCTION(json_extract, -1, 1, 1, 0, jsonExtractFunc), + JFUNCTION(->, 2, 1, 1, JSON_JSON, jsonExtractFunc), + JFUNCTION(->>, 2, 1, 0, JSON_SQL, jsonExtractFunc), + JFUNCTION(json_insert, -1, 1, 1, 0, jsonSetFunc), + JFUNCTION(json_object, -1, 0, 1, 0, jsonObjectFunc), + JFUNCTION(json_patch, 2, 1, 1, 0, jsonPatchFunc), + JFUNCTION(json_quote, 1, 0, 1, 0, jsonQuoteFunc), + JFUNCTION(json_remove, -1, 1, 1, 0, jsonRemoveFunc), + JFUNCTION(json_replace, -1, 1, 1, 0, jsonReplaceFunc), + JFUNCTION(json_set, -1, 1, 1, JSON_ISSET, jsonSetFunc), + JFUNCTION(json_type, 1, 1, 0, 0, jsonTypeFunc), + JFUNCTION(json_type, 2, 1, 0, 0, jsonTypeFunc), + JFUNCTION(json_valid, 1, 1, 0, 0, jsonValidFunc), #if SQLITE_DEBUG - JFUNCTION(json_parse, 1, 0, jsonParseFunc), - JFUNCTION(json_test1, 1, 0, jsonTest1Func), + JFUNCTION(json_parse, 1, 1, 0, 0, jsonParseFunc), + JFUNCTION(json_test1, 1, 1, 0, 0, jsonTest1Func), #endif WAGGREGATE(json_group_array, 1, 0, 0, jsonArrayStep, jsonArrayFinal, jsonArrayValue, jsonGroupInverse, |