TRI_aql_context_t* TRI_CreateContextAql (TRI_vocbase_t* vocbase, const char* const query) { TRI_aql_context_t* context; TRI_ASSERT_MAINTAINER(vocbase != NULL); TRI_ASSERT_MAINTAINER(query != NULL); LOG_TRACE("creating context"); context = (TRI_aql_context_t*) TRI_Allocate(TRI_UNKNOWN_MEM_ZONE, sizeof(TRI_aql_context_t), false); if (context == NULL) { return NULL; } context->_vocbase = vocbase; context->_variableIndex = 0; context->_scopeIndex = 0; // actual bind parameter values TRI_InitAssociativePointer(&context->_parameters._values, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashBindParameterAql, &TRI_EqualBindParameterAql, 0); // bind parameter names used in the query TRI_InitAssociativePointer(&context->_parameters._names, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashStringKeyAssociativePointer, &TRI_EqualStringKeyAssociativePointer, 0); // collections TRI_InitAssociativePointer(&context->_collectionNames, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashStringKeyAssociativePointer, &TRI_EqualStringKeyAssociativePointer, 0); TRI_InitVectorPointer2(&context->_memory._nodes, TRI_UNKNOWN_MEM_ZONE, 16); TRI_InitVectorPointer2(&context->_memory._strings, TRI_UNKNOWN_MEM_ZONE, 16); TRI_InitVectorPointer(&context->_collections, TRI_UNKNOWN_MEM_ZONE); TRI_InitErrorAql(&context->_error); context->_parser = NULL; context->_statements = NULL; context->_query = query; context->_parser = TRI_CreateParserAql(context->_query); if (context->_parser == NULL) { // could not create the parser TRI_FreeContextAql(context); return NULL; } if (! TRI_InitParserAql(context)) { // could not initialise the lexer TRI_FreeContextAql(context); return NULL; } context->_statements = TRI_CreateStatementListAql(); if (context->_statements == NULL) { // could not create statement list TRI_FreeContextAql(context); return NULL; } TRI_InitScopesAql(context); return context; }
TRI_aql_context_t* TRI_CreateContextAql (TRI_vocbase_t* vocbase, const char* const query, const size_t queryLength, bool isCoordinator, TRI_json_t* userOptions) { TRI_aql_context_t* context; int res; TRI_ASSERT(vocbase != NULL); TRI_ASSERT(query != NULL); LOG_TRACE("creating context"); context = (TRI_aql_context_t*) TRI_Allocate(TRI_UNKNOWN_MEM_ZONE, sizeof(TRI_aql_context_t), false); if (context == NULL) { return NULL; } context->_type = TRI_AQL_QUERY_READ; context->_vocbase = vocbase; context->_userOptions = userOptions; context->_writeOptions = NULL; context->_writeCollection = NULL; context->_variableIndex = 0; context->_scopeIndex = 0; context->_subQueries = 0; // actual bind parameter values res = TRI_InitAssociativePointer(&context->_parameters._values, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashBindParameterAql, &TRI_EqualBindParameterAql, 0); if (res != TRI_ERROR_NO_ERROR) { TRI_Free(TRI_UNKNOWN_MEM_ZONE, context); return NULL; } // bind parameter names used in the query res = TRI_InitAssociativePointer(&context->_parameters._names, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashStringKeyAssociativePointer, &TRI_EqualStringKeyAssociativePointer, 0); if (res != TRI_ERROR_NO_ERROR) { TRI_DestroyAssociativePointer(&context->_parameters._values); TRI_Free(TRI_UNKNOWN_MEM_ZONE, context); return NULL; } // collections res = TRI_InitAssociativePointer(&context->_collectionNames, TRI_UNKNOWN_MEM_ZONE, &TRI_HashStringKeyAssociativePointer, &TRI_HashStringKeyAssociativePointer, &TRI_EqualStringKeyAssociativePointer, 0); if (res != TRI_ERROR_NO_ERROR) { TRI_DestroyAssociativePointer(&context->_parameters._names); TRI_DestroyAssociativePointer(&context->_parameters._values); TRI_Free(TRI_UNKNOWN_MEM_ZONE, context); return NULL; } TRI_InitVectorPointer2(&context->_memory._nodes, TRI_UNKNOWN_MEM_ZONE, 16); TRI_InitVectorPointer2(&context->_memory._strings, TRI_UNKNOWN_MEM_ZONE, 16); TRI_InitVectorPointer(&context->_collections, TRI_UNKNOWN_MEM_ZONE); TRI_InitErrorAql(&context->_error); context->_parser = NULL; context->_statements = NULL; context->_query = query; TRI_InitScopesAql(context); context->_parser = TRI_CreateParserAql(context->_query, queryLength); if (context->_parser == NULL) { // could not create the parser TRI_FreeContextAql(context); return NULL; } if (! TRI_InitParserAql(context)) { // could not initialise the lexer TRI_FreeContextAql(context); return NULL; } context->_statements = TRI_CreateStatementListAql(); if (context->_statements == NULL) { // could not create statement list TRI_FreeContextAql(context); return NULL; } ProcessOptions(context); context->_isCoordinator = isCoordinator; return context; }