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package liquibase.database.core; |
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import liquibase.database.AbstractDatabase; |
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import liquibase.database.DatabaseConnection; |
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import liquibase.exception.DatabaseException; |
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import liquibase.executor.ExecutorService; |
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import liquibase.statement.core.RawSqlStatement; |
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| 12 | 15 | public class MySQLDatabase extends AbstractDatabase { |
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public static final String PRODUCT_NAME = "MySQL"; |
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public String getTypeName() { |
| 16 | 58 | return "mysql"; |
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} |
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public int getPriority() { |
| 25 | 0 | return PRIORITY_DEFAULT; |
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} |
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public boolean isCorrectDatabaseImplementation(DatabaseConnection conn) throws DatabaseException { |
| 29 | 1 | return PRODUCT_NAME.equalsIgnoreCase(conn.getDatabaseProductName()); |
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} |
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public String getDefaultDriver(String url) { |
| 33 | 0 | if (url.startsWith("jdbc:mysql")) { |
| 34 | 0 | return "com.mysql.jdbc.Driver"; |
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} |
| 36 | 0 | return null; |
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} |
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@Override |
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public boolean supportsSequences() { |
| 41 | 8 | return false; |
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} |
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public boolean supportsInitiallyDeferrableColumns() { |
| 45 | 1 | return false; |
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} |
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public String getCurrentDateTimeFunction() { |
| 49 | 1 | if (currentDateTimeFunction != null) { |
| 50 | 0 | return currentDateTimeFunction; |
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} |
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| 53 | 1 | return "NOW()"; |
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} |
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@Override |
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public String getLineComment() { |
| 58 | 0 | return "--"; |
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} |
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@Override |
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public String getConcatSql(String... values) { |
| 63 | 0 | StringBuffer returnString = new StringBuffer(); |
| 64 | 0 | returnString.append("CONCAT_WS("); |
| 65 | 0 | for (String value : values) { |
| 66 | 0 | returnString.append(value).append(", "); |
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} |
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| 69 | 0 | return returnString.toString().replaceFirst(", $", ")"); |
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} |
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public boolean supportsTablespaces() { |
| 73 | 0 | return false; |
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} |
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@Override |
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protected String getDefaultDatabaseSchemaName() throws DatabaseException { |
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| 79 | 0 | return getConnection().getCatalog(); |
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} |
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@Override |
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public String convertRequestedSchemaToSchema(String requestedSchema) throws DatabaseException { |
| 84 | 0 | if (requestedSchema == null) { |
| 85 | 0 | return getDefaultDatabaseSchemaName(); |
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} |
| 87 | 0 | return requestedSchema; |
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} |
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@Override |
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public String convertRequestedSchemaToCatalog(String requestedSchema) throws DatabaseException { |
| 92 | 0 | return requestedSchema; |
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} |
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@Override |
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public String escapeDatabaseObject(String objectName) { |
| 97 | 16 | return "`" + objectName + "`"; |
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} |
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@Override |
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public String escapeIndexName(String schemaName, String indexName) { |
| 102 | 0 | return escapeDatabaseObject(indexName); |
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} |
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@Override |
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public boolean supportsForeignKeyDisable() { |
| 107 | 0 | return true; |
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} |
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@Override |
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public boolean disableForeignKeyChecks() throws DatabaseException { |
| 112 | 0 | boolean enabled = ExecutorService.getInstance().getExecutor(this) |
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.queryForInt(new RawSqlStatement("SELECT @@FOREIGN_KEY_CHECKS")) == 1; |
| 114 | 0 | ExecutorService.getInstance().getExecutor(this).execute(new RawSqlStatement("SET FOREIGN_KEY_CHECKS=0")); |
| 115 | 0 | return enabled; |
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} |
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@Override |
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public void enableForeignKeyChecks() throws DatabaseException { |
| 120 | 0 | ExecutorService.getInstance().getExecutor(this).execute(new RawSqlStatement("SET FOREIGN_KEY_CHECKS=1")); |
| 121 | 0 | } |
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} |