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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
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*
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* The contents of this file are subject to the terms of the GNU General Public License Version 3
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* only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
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* copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each file.
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*/
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package org.openconcerto.sql.model;
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import org.openconcerto.sql.users.User;
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import java.io.IOException;
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import java.io.StringReader;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.postgresql.copy.CopyManager;
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import org.postgresql.core.BaseConnection;
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import org.postgresql.jdbc.PgConnection;
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public class SQLInsert {
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private List<SQLField> fields = new ArrayList<>();
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private List<Object> values = new ArrayList<>();
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private SQLTable table;
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public void importValuesFrom(SQLRowAccessor row) {
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SQLField pk = row.getTable().getKey();
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for (String field : row.getFields()) {
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final SQLField sqlField = row.getTable().getField(field);
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if (!pk.equals(sqlField)) {
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if (sqlField.isForeignKey()) {
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add(sqlField, row.getForeignIDNumber(field));
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} else {
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add(sqlField, row.getObject(field));
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}
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}
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}
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}
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public int getFieldsSize() {
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return this.fields.size();
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}
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public List<SQLField> getFields() {
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return Collections.unmodifiableList(this.fields);
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}
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public void add(SQLField field, Object value) {
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if (this.table == null) {
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this.table = field.getTable();
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} else {
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if (!this.table.equals(field.getTable())) {
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throw new IllegalArgumentException(field + " is not in table " + this.table.toString());
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}
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}
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int index = this.fields.indexOf(field);
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if (index >= 0) {
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throw new IllegalArgumentException(field + " field already in list");
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}
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this.fields.add(field);
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this.values.add(value);
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}
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public void set(SQLField field, Object value) {
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if (this.table == null) {
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this.table = field.getTable();
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} else {
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if (!this.table.equals(field.getTable())) {
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throw new IllegalArgumentException(field + " is not in table " + this.table.toString());
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}
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}
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int index = this.fields.indexOf(field);
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if (index < 0) {
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throw new IllegalArgumentException(field + " not in field list");
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}
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this.values.set(index, value);
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}
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public void addCreationTrackedField(User u, SQLTable table) {
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Timestamp now = new Timestamp(System.currentTimeMillis());
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final SQLField creationDateField = table.getCreationDateField();
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final SQLField creationUserField = table.getCreationUserField();
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if (creationDateField != null && creationUserField != null) {
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add(creationDateField, now);
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add(creationUserField, u.getId());
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}
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final SQLField modifDateField = table.getModifDateField();
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final SQLField modifUserField = table.getModifUserField();
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if (modifDateField != null && modifUserField != null) {
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add(modifDateField, now);
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add(modifUserField, u.getId());
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}
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}
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public boolean contains(SQLField field) {
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return this.fields.indexOf(field) >= 0;
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}
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public Object getValue(SQLField field) {
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int index = this.fields.indexOf(field);
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if (index < 0) {
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throw new IllegalArgumentException(field + " not in field list");
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}
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return this.values.get(index);
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}
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public String asString() {
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if (this.fields.isEmpty()) {
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throw new IllegalStateException("not fields added");
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}
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final StringBuilder builder = new StringBuilder();
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builder.append("INSERT INTO ");
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builder.append(this.table.getSQLName());
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builder.append(" (");
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//
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int stop = this.fields.size();
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for (int i = 0; i < stop; i++) {
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builder.append(this.fields.get(i).getQuotedName());
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if (i < stop - 1) {
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builder.append(',');
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}
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}
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builder.append(") VALUES (");
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for (int i = 0; i < stop; i++) {
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Object value = this.values.get(i);
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final SQLField field = this.fields.get(i);
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final Class<?> javaType = field.getType().getJavaType();
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Object str = value;
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if (value != null) {
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if (!javaType.isInstance(value)) {
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str = SQLRowValues.convert(value.getClass(), value, javaType);
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}
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builder.append(field.getType().toString(str));
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} else {
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builder.append("null");
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}
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if (i < stop - 1) {
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builder.append(',');
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}
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}
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builder.append(")");
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return builder.toString();
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}
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/**
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* Insert multiple rows. Rows can be from different tables.
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*
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* Speed : 19 000 inserts /s on PostgreSQL
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*/
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public static void executeMultiple(final DBSystemRoot sysRoot, final List<SQLInsert> queries) throws SQLException {
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if (queries.isEmpty()) {
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throw new IllegalArgumentException("no inserts");
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}
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final Map<SQLTable, List<SQLInsert>> map = new HashMap<>();
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for (final SQLInsert q : queries) {
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List<SQLInsert> list = map.get(q.table);
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if (list == null) {
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list = new ArrayList<>();
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map.put(q.table, list);
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}
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list.add(q);
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}
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for (Entry<SQLTable, List<SQLInsert>> entry : map.entrySet()) {
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executeSimilarInserts(sysRoot, entry.getValue(), false);
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}
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}
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/**
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* Insert multiple rows with a batch. Rows can be from different tables.
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*
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* Speed : 8 000 inserts /s on PostgreSQL
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*/
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public static long executeMultipleWithBatch(final DBSystemRoot sysRoot, final List<SQLInsert> queries) throws SQLException {
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if (queries.isEmpty()) {
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throw new IllegalArgumentException("no inserts");
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}
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final List<String> l = new ArrayList<>(queries.size());
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for (final SQLInsert i : queries)
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l.add(i.asString());
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return sysRoot.getDataSource().executeBatch(l, true).get0();
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}
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/**
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* Insert multiple rows in the same table, using COPY on PostgreSQL for the maximum speed
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*
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* Speed : 26 000 inserts /s on PostgreSQL
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*/
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public static long executeSimilarWithCopy(final DBSystemRoot sysRoot, final List<SQLInsert> queries) throws SQLException {
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SQLDataSource dataSource = sysRoot.getDataSource();
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if (dataSource.getSystem() != SQLSystem.POSTGRESQL) {
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return executeSimilarInserts(sysRoot, queries, true).size();
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}
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if (queries.isEmpty()) {
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throw new IllegalArgumentException("no inserts");
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}
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SQLInsert insert0 = queries.get(0);
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final long timeMs = System.currentTimeMillis();
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final long time = System.nanoTime();
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final long afterCache = time;
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final String query = insert0 + "..." + queries.size() + " queries";
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return dataSource.useConnection(new ConnectionHandlerNoSetup<Long, SQLException>() {
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@Override
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public Long handle(SQLDataSource ds) throws SQLException {
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final Connection conn = ds.getConnection().unwrap(PgConnection.class);
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final CopyManager copyManager = new CopyManager((BaseConnection) conn);
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final StringBuilder allValues = new StringBuilder(insert0.fields.size() * 10 * queries.size());
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final List<String> fi = new ArrayList<>();
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for (SQLField f : insert0.fields) {
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fi.add(f.getQuotedName());
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}
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for (final SQLInsert q : queries) {
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if (!q.table.equals(insert0.table)) {
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throw new IllegalArgumentException("table " + q.table.getName() + " is not " + insert0.table.getTable());
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}
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if (!q.fields.equals(insert0.fields)) {
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throw new IllegalArgumentException("fields" + q.fields + " not equals to " + insert0.fields);
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}
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int stop = q.values.size();
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for (int i = 0; i < stop; i++) {
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Object value = q.values.get(i);
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final SQLField field = q.fields.get(i);
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final Class<?> javaType = field.getType().getJavaType();
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Object str = value;
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if (!javaType.isInstance(value)) {
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str = SQLRowValues.convert(value.getClass(), value, javaType);
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}
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// FIXME null, escapes (see SQLSyntaxPG)
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allValues.append(field.getType().toString(str));
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if (i < stop - 1) {
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allValues.append('\t');
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}
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}
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allValues.append('\n');
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}
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final long afterQueryInfo = System.nanoTime();
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final long afterExecute;
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final long afterHandle;
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final long count;
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try {
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count = copyManager.copyIn("COPY " + insert0.table.getSQLName() + "(" + String.join(",", fi) + ") FROM STDIN WITH (ENCODING 'UTF-8') ", new StringReader(allValues.toString()));
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} catch (IOException e) {
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throw new SQLException(e);
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}
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afterExecute = System.nanoTime();
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afterHandle = afterExecute;
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SQLRequestLog.log(query, "multiple similar with copy", conn, timeMs, time, afterCache, afterQueryInfo, afterExecute, afterHandle, System.nanoTime(), queries.size());
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return count;
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}
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});
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}
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/**
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* Insert multiple rows in the same table
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*
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* Speed : 20 000 inserts /s on PostgreSQL
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*/
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public static List<Number> executeSimilarInserts(final DBSystemRoot sysRoot, final List<SQLInsert> queries, boolean returnIds) throws SQLException {
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SQLDataSource dataSource = sysRoot.getDataSource();
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if (queries.isEmpty()) {
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throw new IllegalArgumentException("no inserts");
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}
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SQLInsert insert0 = queries.get(0);
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final long timeMs = System.currentTimeMillis();
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final long time = System.nanoTime();
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final long afterCache = time;
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final String query = insert0 + "..." + queries.size() + " queries";
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if (sysRoot.getServer().getSQLSystem() != SQLSystem.POSTGRESQL) {
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List<Number> res = new ArrayList<>();
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for (SQLInsert sqlInsert : queries) {
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res.add((Number) sysRoot.getDataSource().executeScalar(sqlInsert.asString()));
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}
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return res;
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} else {
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return dataSource.useConnection(new ConnectionHandlerNoSetup<List<Number>, SQLException>() {
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@Override
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public List<Number> handle(SQLDataSource ds) throws SQLException {
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final Connection conn = ds.getConnection();
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final List<String> fi = new ArrayList<>();
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for (SQLField f : insert0.fields) {
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fi.add(f.getQuotedName());
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}
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final long afterQueryInfo = System.nanoTime();
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final long afterExecute;
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final long afterHandle;
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final StringBuilder sql = new StringBuilder(insert0.fields.size() * 10 * (queries.size() + 1));
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sql.append("(" + String.join(",", fi) + ")");
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sql.append(" VALUES ");
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int size = queries.size();
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for (int j = 0; j < size; j++) {
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final SQLInsert q = queries.get(j);
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if (!q.table.equals(insert0.table)) {
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throw new IllegalArgumentException("table " + q.table.getName() + " is not " + insert0.table.getTable());
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}
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if (!q.fields.equals(insert0.fields)) {
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throw new IllegalArgumentException("fields" + q.fields + " not equals to " + insert0.fields);
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}
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sql.append("(");
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int stop = q.values.size();
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for (int i = 0; i < stop; i++) {
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Object value = q.values.get(i);
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final SQLField field = q.fields.get(i);
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final Class<?> javaType = field.getType().getJavaType();
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Object str = value;
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if (!field.isNullable() && value == null) {
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throw new IllegalStateException("null value for " + field);
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}
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if (value != null && !javaType.isInstance(value)) {
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str = SQLRowValues.convert(value.getClass(), value, javaType);
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}
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// FIXME : escape ' (quote)
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sql.append(field.getType().toString(str));
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if (i < stop - 1) {
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sql.append(',');
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}
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}
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sql.append(")");
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if (j < size - 1) {
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sql.append(',');
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}
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}
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List<Number> res;
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if (!returnIds) {
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// TODO return count
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SQLRowValues.insertCount(insert0.table, sql.toString());
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res = null;
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352 |
} else {
|
|
|
353 |
res = SQLRowValues.insertIDs(insert0.table, sql.toString());
|
|
|
354 |
}
|
|
|
355 |
afterExecute = System.nanoTime();
|
|
|
356 |
afterHandle = afterExecute;
|
|
|
357 |
SQLRequestLog.log(query, "multiple similar insert", conn, timeMs, time, afterCache, afterQueryInfo, afterExecute, afterHandle, System.nanoTime(), queries.size());
|
|
|
358 |
|
|
|
359 |
return res;
|
|
|
360 |
}
|
|
|
361 |
});
|
|
|
362 |
}
|
|
|
363 |
}
|
|
|
364 |
|
|
|
365 |
}
|