TRI_json_t* TRI_NodeJsonAql (TRI_aql_context_t* const context,
const TRI_aql_node_t* const node) {
switch (node->_type) {
case TRI_AQL_NODE_VALUE: {
switch (node->_value._type) {
case TRI_AQL_TYPE_FAIL:
case TRI_AQL_TYPE_NULL:
return TRI_CreateNullJson(TRI_UNKNOWN_MEM_ZONE);
case TRI_AQL_TYPE_BOOL:
return TRI_CreateBooleanJson(TRI_UNKNOWN_MEM_ZONE, node->_value._value._bool);
case TRI_AQL_TYPE_INT:
return TRI_CreateNumberJson(TRI_UNKNOWN_MEM_ZONE, (double) node->_value._value._int);
case TRI_AQL_TYPE_DOUBLE:
return TRI_CreateNumberJson(TRI_UNKNOWN_MEM_ZONE, node->_value._value._double);
case TRI_AQL_TYPE_STRING:
return TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, node->_value._value._string);
}
}
case TRI_AQL_NODE_LIST: {
TRI_json_t* result = TRI_CreateListJson(TRI_UNKNOWN_MEM_ZONE);
if (result) {
size_t i, n;
n = node->_members._length;
for (i = 0; i < n; ++i) {
TRI_json_t* subValue = TRI_NodeJsonAql(context, TRI_AQL_NODE_MEMBER(node, i));
if (subValue) {
TRI_PushBack3ListJson(TRI_UNKNOWN_MEM_ZONE, result, subValue);
}
}
}
return result;
}
case TRI_AQL_NODE_ARRAY: {
TRI_json_t* result = TRI_CreateArrayJson(TRI_UNKNOWN_MEM_ZONE);
if (result) {
size_t i, n;
n = node->_members._length;
for (i = 0; i < n; ++i) {
TRI_aql_node_t* element = TRI_AQL_NODE_MEMBER(node, i);
TRI_json_t* subValue = TRI_NodeJsonAql(context, TRI_AQL_NODE_MEMBER(element, 0));
if (subValue) {
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
result,
TRI_AQL_NODE_STRING(element),
subValue);
}
}
}
return result;
}
default: {
return NULL;
}
}
}
static TRI_aql_node_t* ProcessStatement (TRI_aql_statement_walker_t* const walker,
TRI_aql_node_t* node) {
TRI_aql_explain_t* explain;
TRI_aql_node_type_e type = node->_type;
explain = (TRI_aql_explain_t*) walker->_data;
switch (type) {
case TRI_AQL_NODE_SCOPE_START: {
TRI_aql_scope_t* scope = (TRI_aql_scope_t*) TRI_AQL_NODE_DATA(node);
assert(scope);
if (scope->_type != TRI_AQL_SCOPE_SUBQUERY && scope->_type != TRI_AQL_SCOPE_MAIN) {
++explain->_level;
}
break;
}
case TRI_AQL_NODE_SCOPE_END: {
TRI_aql_scope_t* scope = (TRI_aql_scope_t*) TRI_AQL_NODE_DATA(node);
assert(scope);
if (scope->_type != TRI_AQL_SCOPE_SUBQUERY && scope->_type != TRI_AQL_SCOPE_MAIN) {
--explain->_level;
}
break;
}
case TRI_AQL_NODE_EXPAND: {
TRI_json_t* row;
row = GetRowProtoType(explain, TRI_AQL_NODE_REFERENCE);
if (row != NULL) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
AddNodeValue(row, TRI_AQL_NODE_MEMBER(node, 2));
AddRow(explain, row);
}
row = GetRowProtoType(explain, TRI_AQL_NODE_EXPAND);
if (row != NULL) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
AddNodeValue(row, TRI_AQL_NODE_MEMBER(node, 3));
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_SUBQUERY:
case TRI_AQL_NODE_SUBQUERY_CACHED: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_FOR: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_aql_for_hint_t* hint;
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
hint = TRI_AQL_NODE_DATA(node);
if (hint != NULL &&
hint->_limit._status == TRI_AQL_LIMIT_USE) {
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"limit",
TRI_CreateBooleanJson(TRI_UNKNOWN_MEM_ZONE, true));
}
AddNodeValue(row, expressionNode);
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_RETURN:
case TRI_AQL_NODE_RETURN_EMPTY: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 0);
AddNodeValue(row, expressionNode);
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_FILTER: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 0);
AddNodeValue(row, expressionNode);
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_LET: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
AddNodeValue(row, expressionNode);
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_SORT: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* listNode = TRI_AQL_NODE_MEMBER(node, 0);
AddNodeValue(row, listNode);
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_LIMIT: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* offsetNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* countNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"offset",
TRI_NodeJsonAql(explain->_context, offsetNode));
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"count",
TRI_NodeJsonAql(explain->_context, countNode));
AddRow(explain, row);
}
break;
}
case TRI_AQL_NODE_COLLECT: {
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
if (row != NULL) {
TRI_aql_node_t* listNode = TRI_AQL_NODE_MEMBER(node, 0);
if (node->_members._length > 1) {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"resultVariable",
TRI_CreateStringCopyJson(TRI_UNKNOWN_MEM_ZONE, TRI_AQL_NODE_STRING(variableNode)));
}
AddNodeValue(row, listNode);
AddRow(explain, row);
}
break;
}
default: {
}
}
return NULL;
}
