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feat: 达梦flowable 6.8适配
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sql/dm/flowable-6.8.md
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28
sql/dm/flowable-6.8.md
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# 达梦 flowable 适配
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参考文档: [《Flowable6.8(6.x 版本通用)整合集成达梦 8 数据库(DM8)详解，解决自动生成表时 dmn 相关表语法报错问题》](https://blog.csdn.net/TangBoBoa/article/details/130392495)
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## 1. 覆盖 flowable，liquibase 相关代码
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把`flowable-patch/src`下的文件按文件结果添加到`yudao-server`项目对应目录中
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## 2. 修改相关 DAO
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例如`cn.iocoder.yudao.module.bpm.dal.dataobject.oa.BpmOALeaveDO`
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```diff
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- @TableField("`type`")
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private String type;
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```
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## 3. 关于`flowable.database-schema-update`配置
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首次运行，修改`flowable.database-schema-update=true`，系统会自动建表，第二次运行需要修改为`false`。
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## 4. TODO
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配置`flowable.database-schema-update=true`第二次运行失败，报错
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```text
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Object [FLW_EV_DATABASECHANGELOG] already exists
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```
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@ -0,0 +1,598 @@
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package liquibase.database.core;
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import java.lang.reflect.Method;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Properties;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import liquibase.CatalogAndSchema;
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import liquibase.Scope;
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import liquibase.database.AbstractJdbcDatabase;
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import liquibase.database.DatabaseConnection;
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import liquibase.database.OfflineConnection;
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import liquibase.database.jvm.JdbcConnection;
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import liquibase.exception.DatabaseException;
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import liquibase.exception.UnexpectedLiquibaseException;
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import liquibase.exception.ValidationErrors;
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import liquibase.executor.ExecutorService;
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import liquibase.statement.DatabaseFunction;
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import liquibase.statement.SequenceCurrentValueFunction;
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import liquibase.statement.SequenceNextValueFunction;
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import liquibase.statement.core.RawCallStatement;
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import liquibase.statement.core.RawSqlStatement;
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import liquibase.structure.DatabaseObject;
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import liquibase.structure.core.Catalog;
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import liquibase.structure.core.Index;
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import liquibase.structure.core.PrimaryKey;
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import liquibase.structure.core.Schema;
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import liquibase.util.JdbcUtils;
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import liquibase.util.StringUtil;
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public class DmDatabase extends AbstractJdbcDatabase {
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private static final String PRODUCT_NAME = "DM DBMS";
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@Override
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protected String getDefaultDatabaseProductName() {
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return PRODUCT_NAME;
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}
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/**
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* Is this AbstractDatabase subclass the correct one to use for the given connection.
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*
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* @param conn
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*/
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@Override
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public boolean isCorrectDatabaseImplementation(DatabaseConnection conn) throws DatabaseException {
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return PRODUCT_NAME.equalsIgnoreCase(conn.getDatabaseProductName());
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}
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/**
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* If this database understands the given url, return the default driver class name. Otherwise return null.
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*
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* @param url
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*/
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@Override
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public String getDefaultDriver(String url) {
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if(url.startsWith("jdbc:dm")) {
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return "dm.jdbc.driver.DmDriver";
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}
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return null;
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}
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/**
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* Returns an all-lower-case short name of the product. Used for end-user selecting of database type
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* such as the DBMS precondition.
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*/
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@Override
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public String getShortName() {
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return "dm";
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}
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@Override
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public Integer getDefaultPort() {
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return 5236;
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}
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/**
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* Returns whether this database support initially deferrable columns.
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*/
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@Override
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public boolean supportsInitiallyDeferrableColumns() {
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return true;
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}
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@Override
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public boolean supportsTablespaces() {
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return true;
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}
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@Override
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public int getPriority() {
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return PRIORITY_DEFAULT;
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}
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private static final Pattern PROXY_USER = Pattern.compile(".*(?:thin|oci)\\:(.+)/@.*");
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protected final int SHORT_IDENTIFIERS_LENGTH = 30;
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protected final int LONG_IDENTIFIERS_LEGNTH = 128;
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public static final int ORACLE_12C_MAJOR_VERSION = 12;
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private Set<String> reservedWords = new HashSet<>();
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private Set<String> userDefinedTypes;
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private Map<String, String> savedSessionNlsSettings;
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private Boolean canAccessDbaRecycleBin;
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private Integer databaseMajorVersion;
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private Integer databaseMinorVersion;
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/**
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* Default constructor for an object that represents the Oracle Database DBMS.
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*/
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public DmDatabase() {
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super.unquotedObjectsAreUppercased = true;
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//noinspection HardCodedStringLiteral
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super.setCurrentDateTimeFunction("SYSTIMESTAMP");
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// Setting list of Oracle's native functions
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//noinspection HardCodedStringLiteral
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dateFunctions.add(new DatabaseFunction("SYSDATE"));
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//noinspection HardCodedStringLiteral
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dateFunctions.add(new DatabaseFunction("SYSTIMESTAMP"));
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//noinspection HardCodedStringLiteral
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dateFunctions.add(new DatabaseFunction("CURRENT_TIMESTAMP"));
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//noinspection HardCodedStringLiteral
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super.sequenceNextValueFunction = "%s.nextval";
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//noinspection HardCodedStringLiteral
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super.sequenceCurrentValueFunction = "%s.currval";
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}
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private void tryProxySession(final String url, final Connection con) {
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Matcher m = PROXY_USER.matcher(url);
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if (m.matches()) {
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Properties props = new Properties();
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props.put("PROXY_USER_NAME", m.group(1));
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try {
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Method method = con.getClass().getMethod("openProxySession", int.class, Properties.class);
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method.setAccessible(true);
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method.invoke(con, 1, props);
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} catch (Exception e) {
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Scope.getCurrentScope().getLog(getClass()).info("Could not open proxy session on OracleDatabase: " + e.getCause().getMessage());
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}
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}
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}
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@Override
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public int getDatabaseMajorVersion() throws DatabaseException {
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if (databaseMajorVersion == null) {
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return super.getDatabaseMajorVersion();
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} else {
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return databaseMajorVersion;
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}
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}
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@Override
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public int getDatabaseMinorVersion() throws DatabaseException {
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if (databaseMinorVersion == null) {
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return super.getDatabaseMinorVersion();
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} else {
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return databaseMinorVersion;
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}
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}
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@Override
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public String getJdbcCatalogName(CatalogAndSchema schema) {
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return null;
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}
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@Override
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public String getJdbcSchemaName(CatalogAndSchema schema) {
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return correctObjectName((schema.getCatalogName() == null) ? schema.getSchemaName() : schema.getCatalogName(), Schema.class);
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}
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@Override
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protected String getAutoIncrementClause(final String generationType, final Boolean defaultOnNull) {
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if (StringUtil.isEmpty(generationType)) {
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return super.getAutoIncrementClause();
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}
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String autoIncrementClause = "GENERATED %s AS IDENTITY"; // %s -- [ ALWAYS | BY DEFAULT [ ON NULL ] ]
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String generationStrategy = generationType;
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if (Boolean.TRUE.equals(defaultOnNull) && generationType.toUpperCase().equals("BY DEFAULT")) {
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generationStrategy += " ON NULL";
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}
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return String.format(autoIncrementClause, generationStrategy);
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}
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@Override
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public String generatePrimaryKeyName(String tableName) {
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if (tableName.length() > 27) {
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//noinspection HardCodedStringLiteral
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return "PK_" + tableName.toUpperCase(Locale.US).substring(0, 27);
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} else {
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//noinspection HardCodedStringLiteral
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return "PK_" + tableName.toUpperCase(Locale.US);
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}
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}
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@Override
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public boolean isReservedWord(String objectName) {
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return reservedWords.contains(objectName.toUpperCase());
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}
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@Override
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public boolean supportsSequences() {
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return true;
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}
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/**
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* Oracle supports catalogs in liquibase terms
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*
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* @return false
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*/
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@Override
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public boolean supportsSchemas() {
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return false;
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}
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@Override
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protected String getConnectionCatalogName() throws DatabaseException {
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if (getConnection() instanceof OfflineConnection) {
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return getConnection().getCatalog();
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}
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try {
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//noinspection HardCodedStringLiteral
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return Scope.getCurrentScope().getSingleton(ExecutorService.class).getExecutor("jdbc", this).queryForObject(new RawCallStatement("select sys_context( 'userenv', 'current_schema' ) from dual"), String.class);
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} catch (Exception e) {
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//noinspection HardCodedStringLiteral
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Scope.getCurrentScope().getLog(getClass()).info("Error getting default schema", e);
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}
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return null;
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}
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@Override
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public String getDefaultCatalogName() {//NOPMD
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return (super.getDefaultCatalogName() == null) ? null : super.getDefaultCatalogName().toUpperCase(Locale.US);
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}
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/**
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* <p>Returns an Oracle date literal with the same value as a string formatted using ISO 8601.</p>
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*
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* <p>Convert an ISO8601 date string to one of the following results:
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* to_date('1995-05-23', 'YYYY-MM-DD')
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* to_date('1995-05-23 09:23:59', 'YYYY-MM-DD HH24:MI:SS')</p>
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* <p>
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* Implementation restriction:<br>
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* Currently, only the following subsets of ISO8601 are supported:<br>
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* <ul>
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* <li>YYYY-MM-DD</li>
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* <li>YYYY-MM-DDThh:mm:ss</li>
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* </ul>
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*/
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@Override
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public String getDateLiteral(String isoDate) {
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String normalLiteral = super.getDateLiteral(isoDate);
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if (isDateOnly(isoDate)) {
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return "TO_DATE(" + normalLiteral + ", 'YYYY-MM-DD')";
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} else if (isTimeOnly(isoDate)) {
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return "TO_DATE(" + normalLiteral + ", 'HH24:MI:SS')";
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} else if (isTimestamp(isoDate)) {
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return "TO_TIMESTAMP(" + normalLiteral + ", 'YYYY-MM-DD HH24:MI:SS.FF')";
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} else if (isDateTime(isoDate)) {
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int seppos = normalLiteral.lastIndexOf('.');
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if (seppos != -1) {
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normalLiteral = normalLiteral.substring(0, seppos) + "'";
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}
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return "TO_DATE(" + normalLiteral + ", 'YYYY-MM-DD HH24:MI:SS')";
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}
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return "UNSUPPORTED:" + isoDate;
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}
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@Override
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||||
public boolean isSystemObject(DatabaseObject example) {
|
||||
if (example == null) {
|
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return false;
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}
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|
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if (this.isLiquibaseObject(example)) {
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return false;
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}
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|
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if (example instanceof Schema) {
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//noinspection HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral
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if ("SYSTEM".equals(example.getName()) || "SYS".equals(example.getName()) || "CTXSYS".equals(example.getName()) || "XDB".equals(example.getName())) {
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return true;
|
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}
|
||||
//noinspection HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral
|
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if ("SYSTEM".equals(example.getSchema().getCatalogName()) || "SYS".equals(example.getSchema().getCatalogName()) || "CTXSYS".equals(example.getSchema().getCatalogName()) || "XDB".equals(example.getSchema().getCatalogName())) {
|
||||
return true;
|
||||
}
|
||||
} else if (isSystemObject(example.getSchema())) {
|
||||
return true;
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||||
}
|
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if (example instanceof Catalog) {
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||||
//noinspection HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral
|
||||
if (("SYSTEM".equals(example.getName()) || "SYS".equals(example.getName()) || "CTXSYS".equals(example.getName()) || "XDB".equals(example.getName()))) {
|
||||
return true;
|
||||
}
|
||||
} else if (example.getName() != null) {
|
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//noinspection HardCodedStringLiteral
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if (example.getName().startsWith("BIN$")) { //oracle deleted table
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boolean filteredInOriginalQuery = this.canAccessDbaRecycleBin();
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if (!filteredInOriginalQuery) {
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filteredInOriginalQuery = StringUtil.trimToEmpty(example.getSchema().getName()).equalsIgnoreCase(this.getConnection().getConnectionUserName());
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}
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||||
|
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if (filteredInOriginalQuery) {
|
||||
return !((example instanceof PrimaryKey) || (example instanceof Index) || (example instanceof
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liquibase.statement.UniqueConstraint));
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||||
} else {
|
||||
return true;
|
||||
}
|
||||
} else //noinspection HardCodedStringLiteral
|
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if (example.getName().startsWith("AQ$")) { //oracle AQ tables
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return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("DR$")) { //oracle index tables
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||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("SYS_IOT_OVER")) { //oracle system table
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||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral,HardCodedStringLiteral
|
||||
if ((example.getName().startsWith("MDRT_") || example.getName().startsWith("MDRS_")) && example.getName().endsWith("$")) {
|
||||
// CORE-1768 - Oracle creates these for spatial indices and will remove them when the index is removed.
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||||
return true;
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||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("MLOG$_")) { //Created by materliaized view logs for every table that is part of a materialized view. Not available for DDL operations.
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("RUPD$_")) { //Created by materialized view log tables using primary keys. Not available for DDL operations.
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("WM$_")) { //Workspace Manager backup tables.
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if ("CREATE$JAVA$LOB$TABLE".equals(example.getName())) { //This table contains the name of the Java object, the date it was loaded, and has a BLOB column to store the Java object.
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if ("JAVA$CLASS$MD5$TABLE".equals(example.getName())) { //This is a hash table that tracks the loading of Java objects into a schema.
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("ISEQ$$_")) { //System-generated sequence
|
||||
return true;
|
||||
} else //noinspection HardCodedStringLiteral
|
||||
if (example.getName().startsWith("USLOG$")) { //for update materialized view
|
||||
return true;
|
||||
} else if (example.getName().startsWith("SYS_FBA")) { //for Flashback tables
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return super.isSystemObject(example);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean supportsAutoIncrement() {
|
||||
// Oracle supports Identity beginning with version 12c
|
||||
boolean isAutoIncrementSupported = false;
|
||||
|
||||
try {
|
||||
if (getDatabaseMajorVersion() >= 12) {
|
||||
isAutoIncrementSupported = true;
|
||||
}
|
||||
|
||||
// Returning true will generate create table command with 'IDENTITY' clause, example:
|
||||
// CREATE TABLE AutoIncTest (IDPrimaryKey NUMBER(19) GENERATED BY DEFAULT AS IDENTITY NOT NULL, TypeID NUMBER(3) NOT NULL, Description NVARCHAR2(50), CONSTRAINT PK_AutoIncTest PRIMARY KEY (IDPrimaryKey));
|
||||
|
||||
// While returning false will continue to generate create table command without 'IDENTITY' clause, example:
|
||||
// CREATE TABLE AutoIncTest (IDPrimaryKey NUMBER(19) NOT NULL, TypeID NUMBER(3) NOT NULL, Description NVARCHAR2(50), CONSTRAINT PK_AutoIncTest PRIMARY KEY (IDPrimaryKey));
|
||||
|
||||
} catch (DatabaseException ex) {
|
||||
isAutoIncrementSupported = false;
|
||||
}
|
||||
|
||||
return isAutoIncrementSupported;
|
||||
}
|
||||
|
||||
|
||||
// public Set<UniqueConstraint> findUniqueConstraints(String schema) throws DatabaseException {
|
||||
// Set<UniqueConstraint> returnSet = new HashSet<UniqueConstraint>();
|
||||
//
|
||||
// List<Map> maps = new Executor(this).queryForList(new RawSqlStatement("SELECT UC.CONSTRAINT_NAME, UCC.TABLE_NAME, UCC.COLUMN_NAME FROM USER_CONSTRAINTS UC, USER_CONS_COLUMNS UCC WHERE UC.CONSTRAINT_NAME=UCC.CONSTRAINT_NAME AND CONSTRAINT_TYPE='U' ORDER BY UC.CONSTRAINT_NAME"));
|
||||
//
|
||||
// UniqueConstraint constraint = null;
|
||||
// for (Map map : maps) {
|
||||
// if (constraint == null || !constraint.getName().equals(constraint.getName())) {
|
||||
// returnSet.add(constraint);
|
||||
// Table table = new Table((String) map.get("TABLE_NAME"));
|
||||
// constraint = new UniqueConstraint(map.get("CONSTRAINT_NAME").toString(), table);
|
||||
// }
|
||||
// }
|
||||
// if (constraint != null) {
|
||||
// returnSet.add(constraint);
|
||||
// }
|
||||
//
|
||||
// return returnSet;
|
||||
// }
|
||||
|
||||
@Override
|
||||
public boolean supportsRestrictForeignKeys() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getDataTypeMaxParameters(String dataTypeName) {
|
||||
//noinspection HardCodedStringLiteral
|
||||
if ("BINARY_FLOAT".equals(dataTypeName.toUpperCase())) {
|
||||
return 0;
|
||||
}
|
||||
//noinspection HardCodedStringLiteral
|
||||
if ("BINARY_DOUBLE".equals(dataTypeName.toUpperCase())) {
|
||||
return 0;
|
||||
}
|
||||
return super.getDataTypeMaxParameters(dataTypeName);
|
||||
}
|
||||
|
||||
public String getSystemTableWhereClause(String tableNameColumn) {
|
||||
List<String> clauses = new ArrayList<String>(Arrays.asList("BIN$",
|
||||
"AQ$",
|
||||
"DR$",
|
||||
"SYS_IOT_OVER",
|
||||
"MLOG$_",
|
||||
"RUPD$_",
|
||||
"WM$_",
|
||||
"ISEQ$$_",
|
||||
"USLOG$",
|
||||
"SYS_FBA"));
|
||||
|
||||
for (int i = 0;i<clauses.size(); i++) {
|
||||
clauses.set(i, tableNameColumn+" NOT LIKE '"+clauses.get(i)+"%'");
|
||||
}
|
||||
return "("+ StringUtil.join(clauses, " AND ") + ")";
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean jdbcCallsCatalogsSchemas() {
|
||||
return true;
|
||||
}
|
||||
|
||||
public Set<String> getUserDefinedTypes() {
|
||||
if (userDefinedTypes == null) {
|
||||
userDefinedTypes = new HashSet<>();
|
||||
if ((getConnection() != null) && !(getConnection() instanceof OfflineConnection)) {
|
||||
try {
|
||||
try {
|
||||
//noinspection HardCodedStringLiteral
|
||||
userDefinedTypes.addAll(Scope.getCurrentScope().getSingleton(ExecutorService.class).getExecutor("jdbc", this).queryForList(new RawSqlStatement("SELECT DISTINCT TYPE_NAME FROM ALL_TYPES"), String.class));
|
||||
} catch (DatabaseException e) { //fall back to USER_TYPES if the user cannot see ALL_TYPES
|
||||
//noinspection HardCodedStringLiteral
|
||||
userDefinedTypes.addAll(Scope.getCurrentScope().getSingleton(ExecutorService.class).getExecutor("jdbc", this).queryForList(new RawSqlStatement("SELECT TYPE_NAME FROM USER_TYPES"), String.class));
|
||||
}
|
||||
} catch (DatabaseException e) {
|
||||
//ignore error
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return userDefinedTypes;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String generateDatabaseFunctionValue(DatabaseFunction databaseFunction) {
|
||||
//noinspection HardCodedStringLiteral
|
||||
if ((databaseFunction != null) && "current_timestamp".equalsIgnoreCase(databaseFunction.toString())) {
|
||||
return databaseFunction.toString();
|
||||
}
|
||||
if ((databaseFunction instanceof SequenceNextValueFunction) || (databaseFunction instanceof
|
||||
SequenceCurrentValueFunction)) {
|
||||
String quotedSeq = super.generateDatabaseFunctionValue(databaseFunction);
|
||||
// replace "myschema.my_seq".nextval with "myschema"."my_seq".nextval
|
||||
return quotedSeq.replaceFirst("\"([^\\.\"]+)\\.([^\\.\"]+)\"", "\"$1\".\"$2\"");
|
||||
|
||||
}
|
||||
|
||||
return super.generateDatabaseFunctionValue(databaseFunction);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ValidationErrors validate() {
|
||||
ValidationErrors errors = super.validate();
|
||||
DatabaseConnection connection = getConnection();
|
||||
if ((connection == null) || (connection instanceof OfflineConnection)) {
|
||||
//noinspection HardCodedStringLiteral
|
||||
Scope.getCurrentScope().getLog(getClass()).info("Cannot validate offline database");
|
||||
return errors;
|
||||
}
|
||||
|
||||
if (!canAccessDbaRecycleBin()) {
|
||||
errors.addWarning(getDbaRecycleBinWarning());
|
||||
}
|
||||
|
||||
return errors;
|
||||
|
||||
}
|
||||
|
||||
public String getDbaRecycleBinWarning() {
|
||||
//noinspection HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral,
|
||||
// HardCodedStringLiteral
|
||||
//noinspection HardCodedStringLiteral,HardCodedStringLiteral,HardCodedStringLiteral
|
||||
return "Liquibase needs to access the DBA_RECYCLEBIN table so we can automatically handle the case where " +
|
||||
"constraints are deleted and restored. Since Oracle doesn't properly restore the original table names " +
|
||||
"referenced in the constraint, we use the information from the DBA_RECYCLEBIN to automatically correct this" +
|
||||
" issue.\n" +
|
||||
"\n" +
|
||||
"The user you used to connect to the database (" + getConnection().getConnectionUserName() +
|
||||
") needs to have \"SELECT ON SYS.DBA_RECYCLEBIN\" permissions set before we can perform this operation. " +
|
||||
"Please run the following SQL to set the appropriate permissions, and try running the command again.\n" +
|
||||
"\n" +
|
||||
" GRANT SELECT ON SYS.DBA_RECYCLEBIN TO " + getConnection().getConnectionUserName() + ";";
|
||||
}
|
||||
|
||||
public boolean canAccessDbaRecycleBin() {
|
||||
if (canAccessDbaRecycleBin == null) {
|
||||
DatabaseConnection connection = getConnection();
|
||||
if ((connection == null) || (connection instanceof OfflineConnection)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
Statement statement = null;
|
||||
try {
|
||||
statement = ((JdbcConnection) connection).createStatement();
|
||||
@SuppressWarnings("HardCodedStringLiteral") ResultSet resultSet = statement.executeQuery("select 1 from dba_recyclebin where 0=1");
|
||||
resultSet.close(); //don't need to do anything with the result set, just make sure statement ran.
|
||||
this.canAccessDbaRecycleBin = true;
|
||||
} catch (Exception e) {
|
||||
//noinspection HardCodedStringLiteral
|
||||
if ((e instanceof SQLException) && e.getMessage().startsWith("ORA-00942")) { //ORA-00942: table or view does not exist
|
||||
this.canAccessDbaRecycleBin = false;
|
||||
} else {
|
||||
//noinspection HardCodedStringLiteral
|
||||
Scope.getCurrentScope().getLog(getClass()).warning("Cannot check dba_recyclebin access", e);
|
||||
this.canAccessDbaRecycleBin = false;
|
||||
}
|
||||
} finally {
|
||||
JdbcUtils.close(null, statement);
|
||||
}
|
||||
}
|
||||
|
||||
return canAccessDbaRecycleBin;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean supportsNotNullConstraintNames() {
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests if the given String would be a valid identifier in Oracle DBMS. In Oracle, a valid identifier has
|
||||
* the following form (case-insensitive comparison):
|
||||
* 1st character: A-Z
|
||||
* 2..n characters: A-Z0-9$_#
|
||||
* The maximum length of an identifier differs by Oracle version and object type.
|
||||
*/
|
||||
public boolean isValidOracleIdentifier(String identifier, Class<? extends DatabaseObject> type) {
|
||||
if ((identifier == null) || (identifier.length() < 1))
|
||||
return false;
|
||||
|
||||
if (!identifier.matches("^(i?)[A-Z][A-Z0-9\\$\\_\\#]*$"))
|
||||
return false;
|
||||
|
||||
/*
|
||||
* @todo It seems we currently do not have a class for tablespace identifiers, and all other classes
|
||||
* we do know seem to be supported as 12cR2 long identifiers, so:
|
||||
*/
|
||||
return (identifier.length() <= LONG_IDENTIFIERS_LEGNTH);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the maximum number of bytes (NOT: characters) for an identifier. For Oracle <=12c Release 20, this
|
||||
* is 30 bytes, and starting from 12cR2, up to 128 (except for tablespaces, PDB names and some other rather rare
|
||||
* object types).
|
||||
*
|
||||
* @return the maximum length of an object identifier, in bytes
|
||||
*/
|
||||
public int getIdentifierMaximumLength() {
|
||||
try {
|
||||
if (getDatabaseMajorVersion() < ORACLE_12C_MAJOR_VERSION) {
|
||||
return SHORT_IDENTIFIERS_LENGTH;
|
||||
} else if ((getDatabaseMajorVersion() == ORACLE_12C_MAJOR_VERSION) && (getDatabaseMinorVersion() <= 1)) {
|
||||
return SHORT_IDENTIFIERS_LENGTH;
|
||||
} else {
|
||||
return LONG_IDENTIFIERS_LEGNTH;
|
||||
}
|
||||
} catch (DatabaseException ex) {
|
||||
throw new UnexpectedLiquibaseException("Cannot determine the Oracle database version number", ex);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,165 @@
|
||||
package liquibase.datatype.core;
|
||||
|
||||
import liquibase.change.core.LoadDataChange;
|
||||
import liquibase.database.Database;
|
||||
import liquibase.database.core.*;
|
||||
import liquibase.datatype.DataTypeInfo;
|
||||
import liquibase.datatype.DatabaseDataType;
|
||||
import liquibase.datatype.LiquibaseDataType;
|
||||
import liquibase.exception.UnexpectedLiquibaseException;
|
||||
import liquibase.statement.DatabaseFunction;
|
||||
import liquibase.util.StringUtil;
|
||||
|
||||
import java.util.Locale;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
@DataTypeInfo(name = "boolean", aliases = {"java.sql.Types.BOOLEAN", "java.lang.Boolean", "bit", "bool"}, minParameters = 0, maxParameters = 0, priority = LiquibaseDataType.PRIORITY_DEFAULT)
|
||||
public class BooleanType extends LiquibaseDataType {
|
||||
|
||||
@Override
|
||||
public DatabaseDataType toDatabaseDataType(Database database) {
|
||||
String originalDefinition = StringUtil.trimToEmpty(getRawDefinition());
|
||||
if ((database instanceof Firebird3Database)) {
|
||||
return new DatabaseDataType("BOOLEAN");
|
||||
}
|
||||
|
||||
if ((database instanceof Db2zDatabase) || (database instanceof FirebirdDatabase)) {
|
||||
return new DatabaseDataType("SMALLINT");
|
||||
} else if (database instanceof MSSQLDatabase) {
|
||||
return new DatabaseDataType(database.escapeDataTypeName("bit"));
|
||||
} else if (database instanceof MySQLDatabase) {
|
||||
if (originalDefinition.toLowerCase(Locale.US).startsWith("bit")) {
|
||||
return new DatabaseDataType("BIT", getParameters());
|
||||
}
|
||||
return new DatabaseDataType("BIT", 1);
|
||||
} else if (database instanceof OracleDatabase) {
|
||||
return new DatabaseDataType("NUMBER", 1);
|
||||
} else if ((database instanceof SybaseASADatabase) || (database instanceof SybaseDatabase)) {
|
||||
return new DatabaseDataType("BIT");
|
||||
} else if (database instanceof DerbyDatabase) {
|
||||
if (((DerbyDatabase) database).supportsBooleanDataType()) {
|
||||
return new DatabaseDataType("BOOLEAN");
|
||||
} else {
|
||||
return new DatabaseDataType("SMALLINT");
|
||||
}
|
||||
} else if (database instanceof DB2Database) {
|
||||
if (((DB2Database) database).supportsBooleanDataType())
|
||||
return new DatabaseDataType("BOOLEAN");
|
||||
else
|
||||
return new DatabaseDataType("SMALLINT");
|
||||
} else if (database instanceof HsqlDatabase) {
|
||||
return new DatabaseDataType("BOOLEAN");
|
||||
} else if (database instanceof PostgresDatabase) {
|
||||
if (originalDefinition.toLowerCase(Locale.US).startsWith("bit")) {
|
||||
return new DatabaseDataType("BIT", getParameters());
|
||||
}
|
||||
} else if (database instanceof DmDatabase) { // dhb52: DM Support
|
||||
return new DatabaseDataType("bit");
|
||||
}
|
||||
|
||||
return super.toDatabaseDataType(database);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String objectToSql(Object value, Database database) {
|
||||
if ((value == null) || "null".equals(value.toString().toLowerCase(Locale.US))) {
|
||||
return null;
|
||||
}
|
||||
|
||||
String returnValue;
|
||||
if (value instanceof String) {
|
||||
value = ((String) value).replaceAll("'", "");
|
||||
if ("true".equals(((String) value).toLowerCase(Locale.US)) || "1".equals(value) || "b'1'".equals(((String) value).toLowerCase(Locale.US)) || "t".equals(((String) value).toLowerCase(Locale.US)) || ((String) value).toLowerCase(Locale.US).equals(this.getTrueBooleanValue(database).toLowerCase(Locale.US))) {
|
||||
returnValue = this.getTrueBooleanValue(database);
|
||||
} else if ("false".equals(((String) value).toLowerCase(Locale.US)) || "0".equals(value) || "b'0'".equals(
|
||||
((String) value).toLowerCase(Locale.US)) || "f".equals(((String) value).toLowerCase(Locale.US)) || ((String) value).toLowerCase(Locale.US).equals(this.getFalseBooleanValue(database).toLowerCase(Locale.US))) {
|
||||
returnValue = this.getFalseBooleanValue(database);
|
||||
} else if (database instanceof PostgresDatabase && Pattern.matches("b?([01])\\1*(::bit|::\"bit\")?", (String) value)) {
|
||||
returnValue = "b'"
|
||||
+ value.toString()
|
||||
.replace("b", "")
|
||||
.replace("\"", "")
|
||||
.replace("::it", "")
|
||||
+ "'::\"bit\"";
|
||||
} else {
|
||||
throw new UnexpectedLiquibaseException("Unknown boolean value: " + value);
|
||||
}
|
||||
} else if (value instanceof Long) {
|
||||
if (Long.valueOf(1).equals(value)) {
|
||||
returnValue = this.getTrueBooleanValue(database);
|
||||
} else {
|
||||
returnValue = this.getFalseBooleanValue(database);
|
||||
}
|
||||
} else if (value instanceof Number) {
|
||||
if (value.equals(1) || "1".equals(value.toString()) || "1.0".equals(value.toString())) {
|
||||
returnValue = this.getTrueBooleanValue(database);
|
||||
} else {
|
||||
returnValue = this.getFalseBooleanValue(database);
|
||||
}
|
||||
} else if (value instanceof DatabaseFunction) {
|
||||
return value.toString();
|
||||
} else if (value instanceof Boolean) {
|
||||
if (((Boolean) value)) {
|
||||
returnValue = this.getTrueBooleanValue(database);
|
||||
} else {
|
||||
returnValue = this.getFalseBooleanValue(database);
|
||||
}
|
||||
} else {
|
||||
throw new UnexpectedLiquibaseException("Cannot convert type " + value.getClass() + " to a boolean value");
|
||||
}
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
protected boolean isNumericBoolean(Database database) {
|
||||
if (database instanceof Firebird3Database) {
|
||||
return false;
|
||||
}
|
||||
if (database instanceof DerbyDatabase) {
|
||||
return !((DerbyDatabase) database).supportsBooleanDataType();
|
||||
} else if (database instanceof DB2Database) {
|
||||
return !((DB2Database) database).supportsBooleanDataType();
|
||||
}
|
||||
return (database instanceof Db2zDatabase)
|
||||
|| (database instanceof FirebirdDatabase)
|
||||
|| (database instanceof MSSQLDatabase)
|
||||
|| (database instanceof MySQLDatabase)
|
||||
|| (database instanceof OracleDatabase)
|
||||
|| (database instanceof SQLiteDatabase)
|
||||
|| (database instanceof SybaseASADatabase)
|
||||
|| (database instanceof SybaseDatabase)
|
||||
|| (database instanceof DmDatabase); // dhb52: DM Support
|
||||
}
|
||||
|
||||
/**
|
||||
* The database-specific value to use for "false" "boolean" columns.
|
||||
*/
|
||||
public String getFalseBooleanValue(Database database) {
|
||||
if (isNumericBoolean(database)) {
|
||||
return "0";
|
||||
}
|
||||
if (database instanceof InformixDatabase) {
|
||||
return "'f'";
|
||||
}
|
||||
return "FALSE";
|
||||
}
|
||||
|
||||
/**
|
||||
* The database-specific value to use for "true" "boolean" columns.
|
||||
*/
|
||||
public String getTrueBooleanValue(Database database) {
|
||||
if (isNumericBoolean(database)) {
|
||||
return "1";
|
||||
}
|
||||
if (database instanceof InformixDatabase) {
|
||||
return "'t'";
|
||||
}
|
||||
return "TRUE";
|
||||
}
|
||||
|
||||
@Override
|
||||
public LoadDataChange.LOAD_DATA_TYPE getLoadTypeName() {
|
||||
return LoadDataChange.LOAD_DATA_TYPE.BOOLEAN;
|
||||
}
|
||||
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1 @@
|
||||
防止IDEA将`.`和`/`混为一谈
|
||||
@ -0,0 +1,21 @@
|
||||
liquibase.database.core.CockroachDatabase
|
||||
liquibase.database.core.DB2Database
|
||||
liquibase.database.core.Db2zDatabase
|
||||
liquibase.database.core.DerbyDatabase
|
||||
liquibase.database.core.Firebird3Database
|
||||
liquibase.database.core.FirebirdDatabase
|
||||
liquibase.database.core.H2Database
|
||||
liquibase.database.core.HsqlDatabase
|
||||
liquibase.database.core.InformixDatabase
|
||||
liquibase.database.core.Ingres9Database
|
||||
liquibase.database.core.MSSQLDatabase
|
||||
liquibase.database.core.MariaDBDatabase
|
||||
liquibase.database.core.MockDatabase
|
||||
liquibase.database.core.MySQLDatabase
|
||||
liquibase.database.core.OracleDatabase
|
||||
liquibase.database.core.PostgresDatabase
|
||||
liquibase.database.core.SQLiteDatabase
|
||||
liquibase.database.core.SybaseASADatabase
|
||||
liquibase.database.core.SybaseDatabase
|
||||
liquibase.database.core.DmDatabase
|
||||
liquibase.database.core.UnsupportedDatabase
|
||||
Loading…
Reference in New Issue
Block a user