Kouhei Sutou
null+****@clear*****
Wed Sep 12 12:06:39 JST 2012
Kouhei Sutou 2012-09-12 12:06:39 +0900 (Wed, 12 Sep 2012) New Revision: b850a0cb06535b9e3da7f18f490e96cc1c5ee38d https://github.com/groonga/groonga/commit/b850a0cb06535b9e3da7f18f490e96cc1c5ee38d Log: Add error check for creating temporary result set Modified files: lib/expr.c Modified: lib/expr.c (+14 -4) =================================================================== --- lib/expr.c 2012-09-11 07:03:32 +0900 (27d603b) +++ lib/expr.c 2012-09-12 12:06:39 +0900 (08b4e32) @@ -4258,6 +4258,7 @@ grn_table_select(grn_ctx *ctx, grn_obj *table, grn_obj *expr, { grn_obj *v; unsigned int res_size; + grn_bool res_created = GRN_FALSE; if (table->header.type == GRN_TABLE_VIEW) { return grn_view_select(ctx, table, expr, res, op); } @@ -4272,6 +4273,7 @@ grn_table_select(grn_ctx *ctx, grn_obj *table, grn_obj *expr, GRN_TABLE_HASH_KEY|GRN_OBJ_WITH_SUBREC, table, NULL))) { return NULL; } + res_created = GRN_TRUE; } if (!(v = grn_expr_get_var_by_offset(ctx, expr, 0))) { ERR(GRN_INVALID_ARGUMENT, "at least one variable must be defined"); @@ -4299,13 +4301,21 @@ grn_table_select(grn_ctx *ctx, grn_obj *table, grn_obj *expr, } else { grn_bool processed = GRN_FALSE; if (si->flags & SCAN_PUSH) { - grn_obj *res_; + grn_obj *res_ = NULL; res_ = grn_table_create(ctx, NULL, 0, NULL, GRN_TABLE_HASH_KEY|GRN_OBJ_WITH_SUBREC, table, NULL); - if (res_) { - GRN_PTR_PUT(ctx, &res_stack, res); - res = res_; + if (!res_) { + int i = 0; + if (!res_created) { i++; } + for (; i < GRN_BULK_VSIZE(&res_stack) / sizeof(grn_obj *); i++) { + grn_obj *stacked_res; + stacked_res = *((grn_obj **)GRN_BULK_HEAD(&res_stack) + i); + grn_obj_unlink(ctx, stacked_res); + } + break; } + GRN_PTR_PUT(ctx, &res_stack, res); + res = res_; } processed = grn_table_select_select_by_index(ctx, table, si, res); if (!processed) { -------------- next part -------------- HTML����������������������������...다운로드
