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-rw-r--r--ext/misc/json1.c81
1 files changed, 38 insertions, 43 deletions
diff --git a/ext/misc/json1.c b/ext/misc/json1.c
index 72ba33be0..a8b9ed539 100644
--- a/ext/misc/json1.c
+++ b/ext/misc/json1.c
@@ -21,7 +21,9 @@
** This implementation parses JSON text at 250 MB/s, so it is hard to see
** how JSONB might improve on that.)
*/
+#if !defined(_SQLITEINT_H_)
#include "sqlite3ext.h"
+#endif
SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>
@@ -406,6 +408,20 @@ static void jsonRenderNode(
}
/*
+** Return a JsonNode and all its descendents as a JSON string.
+*/
+static void jsonReturnJson(
+ JsonNode *pNode, /* Node to return */
+ sqlite3_context *pCtx, /* Return value for this function */
+ sqlite3_value **aReplace /* Array of replacement values */
+){
+ JsonString s;
+ jsonInit(&s, pCtx);
+ jsonRenderNode(pNode, &s, aReplace);
+ jsonResult(&s);
+}
+
+/*
** Make the JsonNode the return value of the function.
*/
static void jsonReturn(
@@ -509,10 +525,7 @@ static void jsonReturn(
}
case JSON_ARRAY:
case JSON_OBJECT: {
- JsonString s;
- jsonInit(&s, pCtx);
- jsonRenderNode(pNode, &s, aReplace);
- jsonResult(&s);
+ jsonReturnJson(pNode, pCtx, aReplace);
break;
}
}
@@ -717,7 +730,13 @@ static int jsonParse(
if( zJson[i] ) i = -1;
}
if( i<0 ){
- if( pParse->oom && pCtx!=0 ) sqlite3_result_error_nomem(pCtx);
+ if( pCtx!=0 ){
+ if( pParse->oom ){
+ sqlite3_result_error_nomem(pCtx);
+ }else{
+ sqlite3_result_error(pCtx, "malformed JSON", -1);
+ }
+ }
jsonParseReset(pParse);
return 1;
}
@@ -960,7 +979,7 @@ static void jsonTest1Func(
){
JsonParse x; /* The parse */
if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return;
- jsonReturn(x.aNode, ctx, 0);
+ jsonReturnJson(x.aNode, ctx, 0);
jsonParseReset(&x);
}
@@ -1033,42 +1052,19 @@ static void jsonArrayLengthFunc(
}else{
zPath = 0;
}
- if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0]))==0 ){
- if( x.nNode ){
- JsonNode *pNode = x.aNode;
- if( zPath ) pNode = jsonLookup(&x, 0, zPath, 0);
- if( pNode->eType==JSON_ARRAY ){
- assert( (pNode->jnFlags & JNODE_APPEND)==0 );
- for(i=1; i<=pNode->n; n++){
- i += jsonNodeSize(&pNode[i]);
- }
+ if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return;
+ if( x.nNode ){
+ JsonNode *pNode = x.aNode;
+ if( zPath ) pNode = jsonLookup(&x, 0, zPath, 0);
+ if( pNode->eType==JSON_ARRAY ){
+ assert( (pNode->jnFlags & JNODE_APPEND)==0 );
+ for(i=1; i<=pNode->n; n++){
+ i += jsonNodeSize(&pNode[i]);
}
}
- jsonParseReset(&x);
- }
- if( !x.oom ) sqlite3_result_int64(ctx, n);
-}
-
-/*
-** json_check(JSON)
-**
-** Check the JSON argument to verify that it is well-formed. Return a
-** compacted version of the argument (with white-space removed) if the
-** argument is well-formed. Through an error if the argument is not
-** correctly formatted JSON.
-*/
-static void jsonCheckFunc(
- sqlite3_context *ctx,
- int argc,
- sqlite3_value **argv
-){
- JsonParse x; /* The parse */
- if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ){
- sqlite3_result_error(ctx, "malformed JSON", -1);
- return;
}
- jsonReturn(x.aNode, ctx, argv);
jsonParseReset(&x);
+ sqlite3_result_int64(ctx, n);
}
/*
@@ -1166,7 +1162,7 @@ static void jsonRemoveFunc(
if( pNode ) pNode->jnFlags |= JNODE_REMOVE;
}
if( (x.aNode[0].jnFlags & JNODE_REMOVE)==0 ){
- jsonReturn(x.aNode, ctx, 0);
+ jsonReturnJson(x.aNode, ctx, 0);
}
}
jsonParseReset(&x);
@@ -1214,7 +1210,7 @@ static void jsonReplaceFunc(
if( x.aNode[0].jnFlags & JNODE_REPLACE ){
sqlite3_result_value(ctx, argv[x.aNode[0].iVal]);
}else{
- jsonReturn(x.aNode, ctx, argv);
+ jsonReturnJson(x.aNode, ctx, argv);
}
}
jsonParseReset(&x);
@@ -1274,7 +1270,7 @@ static void jsonSetFunc(
if( x.aNode[0].jnFlags & JNODE_REPLACE ){
sqlite3_result_value(ctx, argv[x.aNode[0].iVal]);
}else{
- jsonReturn(x.aNode, ctx, argv);
+ jsonReturnJson(x.aNode, ctx, argv);
}
}
jsonSetDone:
@@ -1328,7 +1324,7 @@ static void jsonValidFunc(
JsonParse x; /* The parse */
int rc = 0;
- if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0]))==0
+ if( jsonParse(&x, 0, (const char*)sqlite3_value_text(argv[0]))==0
&& x.nNode>0
){
rc = 1;
@@ -1802,7 +1798,6 @@ int sqlite3_json_init(
{ "json_array", -1, 0, jsonArrayFunc },
{ "json_array_length", 1, 0, jsonArrayLengthFunc },
{ "json_array_length", 2, 0, jsonArrayLengthFunc },
- { "json_check", 1, 0, jsonCheckFunc },
{ "json_extract", 2, 0, jsonExtractFunc },
{ "json_insert", -1, 0, jsonSetFunc },
{ "json_object", -1, 0, jsonObjectFunc },