database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-09 14:21:03 +03:00
Code Activity

Enhance the (SQLITE_DEBUG-only) json_parse() routine so that it shows a

Browse Source 
decoding of JSONB when given a BLOB argument.

FossilOrigin-Name: af267868562e0799ad691dccad05f17afbc34d609eede8c55f57d209290246ef
This commit is contained in:
drh
2023-11-27 17:13:18 +00:00
parent 821a4c9f8c
commit 8a3034add8
3 changed files with 93 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
src/json.c
View File

@@ -4490,6 +4490,84 @@ static void jsonDebugPrintNodeEntries(
}
#endif /* SQLITE_DEBUG */
#if SQLITE_DEBUG
/*
** Decode JSONB bytes in aBlob[] starting at iStart through but not
** including iEnd. Indent the
** content by nIndent spaces.
*/
static void jsonDebugPrintBlob(
JsonParse *pParse, /* JSON content */
u32 iStart, /* Start rendering here */
u32 iEnd, /* Do not render this byte or any byte after this one */
int nIndent /* Indent by this many spaces */
){
while( iStart<iEnd ){
u32 i, n, nn, sz = 0;
int showContent = 1;
u8 x = pParse->aBlob[iStart] & 0x0f;
printf("%5d:%*s", iStart, nIndent, "");
nn = n = jsonbPayloadSize(pParse, iStart, &sz);
if( nn==0 ) nn = 1;
if( sz>0 && x<JSONB_ARRAY ){
nn += sz;
}
for(i=0; i<nn; i++) printf(" %02x", pParse->aBlob[iStart+i]);
if( n==0 || iStart+n+sz>iEnd ){
printf(" ERROR invalid node size\n");
iStart = n==0 ? iStart+1 : iEnd;
continue;
}
printf(" <-- ");
switch( x ){
case JSONB_NULL: printf("null"); break;
case JSONB_TRUE: printf("true"); break;
case JSONB_FALSE: printf("false"); break;
case JSONB_INT: printf("int"); break;
case JSONB_INT5: printf("int5"); break;
case JSONB_FLOAT: printf("float"); break;
case JSONB_FLOAT5: printf("float5"); break;
case JSONB_TEXT: printf("text"); break;
case JSONB_TEXTJ: printf("textj"); break;
case JSONB_TEXT5: printf("text5"); break;
case JSONB_TEXTRAW: printf("textraw"); break;
case JSONB_ARRAY: {
printf("array, %u bytes\n", sz);
jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2);
showContent = 0;
break;
}
case JSONB_OBJECT: {
printf("object, %u bytes\n", sz);
jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2);
showContent = 0;
break;
}
default: {
printf("ERROR: unknown node type\n");
showContent = 0;
break;
}
}
if( showContent ){
if( sz==0 && x<=JSON_FALSE ){
printf("\n");
}else{
u32 i;
printf(": \"");
for(i=iStart+n; i<iStart+n+sz; i++){
u8 c = pParse->aBlob[i];
if( c<0x20 || c>=0x7f ) c = '.';
putchar(c);
}
printf("\"\n");
}
}
iStart += n + sz;
}
}
#endif /* SQLITE_DEBUG */
#if 0 /* 1 for debugging. 0 normally. Requires -DSQLITE_DEBUG too */
static void jsonDebugPrintParse(JsonParse *p){
@@ -4520,6 +4598,14 @@ static void jsonParseFunc(
JsonParse *p; /* The parse */
assert( argc==1 );
if( jsonFuncArgMightBeBinary(argv[0]) ){
JsonParse x;
memset(&x, 0, sizeof(x));
x.nBlob = sqlite3_value_bytes(argv[0]);
x.aBlob = (u8*)sqlite3_value_blob(argv[0]);
jsonDebugPrintBlob(&x, 0, x.nBlob, 0);
return;
}
p = jsonParseCached(ctx, argv[0], ctx, 0);
if( p==0 ) return;
printf("nNode = %u\n", p->nNode);