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- /*
- Copyright (c) 2008 Health Market Science, Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
-
- package com.healthmarketscience.jackcess.impl.query;
-
- import java.util.List;
-
- import static com.healthmarketscience.jackcess.impl.query.QueryFormat.*;
- import com.healthmarketscience.jackcess.query.AppendQuery;
-
-
- /**
- * Concrete Query subclass which represents an append query, e.g.:
- * {@code INSERT INTO <table> VALUES (<values>)}
- *
- * @author James Ahlborn
- */
- public class AppendQueryImpl extends BaseSelectQueryImpl implements AppendQuery
- {
-
- public AppendQueryImpl(String name, List<Row> rows, int objectId,
- int objectFlag) {
- super(name, rows, objectId, objectFlag, Type.APPEND);
- }
-
- @Override
- public String getTargetTable() {
- return getTypeRow().name1;
- }
-
- @Override
- public List<String> getTargetColumns() {
- return new RowFormatter(getTargetRows()) {
- @Override protected void format(StringBuilder builder, Row row) {
- toOptionalQuotedExpr(builder, row.name2, true);
- }
- }.format();
- }
-
- @Override
- public String getRemoteDbPath() {
- return getTypeRow().name2;
- }
-
- @Override
- public String getRemoteDbType() {
- return getTypeRow().expression;
- }
-
- @Override
- public List<String> getValues() {
- return new RowFormatter(getValueRows()) {
- @Override protected void format(StringBuilder builder, Row row) {
- builder.append(row.expression);
- }
- }.format();
- }
-
- protected List<Row> getValueRows() {
- return filterRowsByFlag(super.getColumnRows(), APPEND_VALUE_FLAG);
- }
-
- @Override
- protected List<Row> getColumnRows() {
- return filterRowsByNotFlag(super.getColumnRows(), APPEND_VALUE_FLAG);
- }
-
- protected List<Row> getTargetRows() {
- return new RowFilter() {
- @Override protected boolean keep(Row row) {
- return (row.name2 != null);
- }
- }.filter(super.getColumnRows());
- }
-
- @Override
- protected void toSQLString(StringBuilder builder)
- {
- builder.append("INSERT INTO ");
- toOptionalQuotedExpr(builder, getTargetTable(), true);
- List<String> columns = getTargetColumns();
- if(!columns.isEmpty()) {
- builder.append(" (").append(columns).append(')');
- }
- toRemoteDb(builder, getRemoteDbPath(), getRemoteDbType());
- builder.append(NEWLINE);
- List<String> values = getValues();
- if(!values.isEmpty()) {
- builder.append("VALUES (").append(values).append(')');
- } else {
- toSQLSelectString(builder, true);
- }
- }
-
- }
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