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/*
Copyright (C) 2024 Sutou Kouhei <kou@clear-code.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "grn.h"
#include "grn_expr_executor.h"
#include "grn_generated_column.h"
#include "grn_store.h"
void
grn_generated_column_update(grn_ctx *ctx,
grn_obj *column,
grn_id id,
int section,
grn_obj *old_value,
grn_obj *new_value)
{
grn_ja *ja = (grn_ja *)column;
grn_expr_executor executor;
grn_expr_executor_init(ctx, &executor, ja->parsed_generator);
grn_id *source_ids = DB_OBJ(column)->source;
grn_expr_executor_add_replace_value(ctx, &executor, source_ids[0], new_value);
grn_obj *value = grn_expr_executor_exec(ctx, &executor, id);
if (ctx->rc == GRN_SUCCESS) {
grn_obj_set_value(ctx, column, id, value, GRN_OBJ_SET);
}
grn_expr_executor_fin(ctx, &executor);
}
void
grn_generated_column_build(grn_ctx *ctx, grn_obj *column)
{
grn_obj *table = grn_ctx_at(ctx, column->header.domain);
grn_id *source_ids = DB_OBJ(column)->source;
grn_obj *source = grn_ctx_at(ctx, source_ids[0]);
grn_obj_set_visibility(ctx, column, false);
if (ctx->rc == GRN_SUCCESS) {
grn_obj *generator = ((grn_ja *)(column))->parsed_generator;
grn_table_apply_expr(ctx, table, column, generator);
}
if (ctx->rc == GRN_SUCCESS) {
grn_obj_set_visibility(ctx, column, true);
}
grn_obj_unref(ctx, source);
grn_obj_unref(ctx, table);
}
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