static void DumpValue (TRI_aql_dump_t* const state, const TRI_aql_node_t* const node) {
PrintIndent(state);
switch (node->_value._type) {
case TRI_AQL_TYPE_FAIL:
printf("fail\n");
break;
case TRI_AQL_TYPE_NULL:
printf("null\n");
break;
case TRI_AQL_TYPE_BOOL:
printf("bool (%lu)\n", (unsigned long) TRI_AQL_NODE_BOOL(node));
break;
case TRI_AQL_TYPE_INT:
printf("int (%ld)\n", (long) TRI_AQL_NODE_INT(node));
break;
case TRI_AQL_TYPE_DOUBLE:
printf("double (%f)\n", TRI_AQL_NODE_DOUBLE(node));
break;
case TRI_AQL_TYPE_STRING:
printf("string (%s)\n", TRI_AQL_NODE_STRING(node));
break;
}
}
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_aql_node_t* variableNode;
TRI_json_t* row;
row = GetRowProtoType(explain, TRI_AQL_NODE_REFERENCE);
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);
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: {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
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_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
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_RETURN:
case TRI_AQL_NODE_RETURN_EMPTY: {
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
AddNodeValue(row, expressionNode);
AddRow(explain, row);
break;
}
case TRI_AQL_NODE_FILTER: {
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
AddNodeValue(row, expressionNode);
AddRow(explain, row);
break;
}
case TRI_AQL_NODE_LET: {
TRI_aql_node_t* variableNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* expressionNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
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_aql_node_t* listNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
AddNodeValue(row, listNode);
AddRow(explain, row);
break;
}
case TRI_AQL_NODE_LIMIT: {
TRI_aql_node_t* offsetNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_aql_node_t* countNode = TRI_AQL_NODE_MEMBER(node, 1);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"offset",
TRI_CreateNumberJson(TRI_UNKNOWN_MEM_ZONE, (double) TRI_AQL_NODE_INT(offsetNode)));
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE,
row,
"count",
TRI_CreateNumberJson(TRI_UNKNOWN_MEM_ZONE, (double) TRI_AQL_NODE_INT(countNode)));
AddRow(explain, row);
break;
}
case TRI_AQL_NODE_COLLECT: {
TRI_aql_node_t* listNode = TRI_AQL_NODE_MEMBER(node, 0);
TRI_json_t* row;
row = GetRowProtoType(explain, node->_type);
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;
}
