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package liquibase.database.core; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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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.exception.DateParseException; |
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| 11 | 4 | public class DB2Database extends AbstractDatabase { |
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@Override |
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public boolean isCorrectDatabaseImplementation(DatabaseConnection conn) throws DatabaseException { |
| 15 | 0 | return conn.getDatabaseProductName().startsWith("DB2"); |
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} |
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@Override |
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public String getDefaultDriver(String url) { |
| 20 | 2 | if (url.startsWith("jdbc:db2")) { |
| 21 | 1 | return "com.ibm.db2.jcc.DB2Driver"; |
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} |
| 23 | 1 | return null; |
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} |
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@Override |
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public int getPriority() { |
| 28 | 0 | return PRIORITY_DEFAULT; |
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} |
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@Override |
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public String getTypeName() { |
| 33 | 57 | return "db2"; |
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} |
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@Override |
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protected String getDefaultDatabaseSchemaName() throws DatabaseException { |
| 38 | 0 | return super.getDefaultDatabaseSchemaName().toUpperCase(); |
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} |
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@Override |
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public boolean supportsInitiallyDeferrableColumns() { |
| 43 | 0 | return false; |
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} |
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@Override |
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public String getAutoIncrementClause() { |
| 48 | 0 | return "GENERATED BY DEFAULT AS IDENTITY"; |
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} |
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@Override |
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public String getCurrentDateTimeFunction() { |
| 53 | 0 | if (currentDateTimeFunction != null) { |
| 54 | 0 | return currentDateTimeFunction; |
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} |
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| 57 | 0 | return "CURRENT TIMESTAMP"; |
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} |
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@Override |
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public String getDateLiteral(String isoDate) { |
| 71 | 0 | String normalLiteral = super.getDateLiteral(isoDate); |
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| 73 | 0 | if (isDateOnly(isoDate)) { |
| 74 | 0 | StringBuffer val = new StringBuffer(); |
| 75 | 0 | val.append("DATE("); |
| 76 | 0 | val.append(normalLiteral); |
| 77 | 0 | val.append(')'); |
| 78 | 0 | return val.toString(); |
| 79 | 0 | } else if (isTimeOnly(isoDate)) { |
| 80 | 0 | StringBuffer val = new StringBuffer(); |
| 81 | 0 | val.append("TIME("); |
| 82 | 0 | val.append(normalLiteral); |
| 83 | 0 | val.append(')'); |
| 84 | 0 | return val.toString(); |
| 85 | 0 | } else if (isDateTime(isoDate)) { |
| 86 | 0 | StringBuffer val = new StringBuffer(); |
| 87 | 0 | val.append("TIMESTAMP("); |
| 88 | 0 | val.append(normalLiteral); |
| 89 | 0 | val.append(')'); |
| 90 | 0 | return val.toString(); |
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} else { |
| 92 | 0 | return "UNSUPPORTED:" + isoDate; |
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} |
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} |
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@Override |
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public boolean shouldQuoteValue(String value) { |
| 98 | 0 | return super.shouldQuoteValue(value) && !value.startsWith("\"SYSIBM\""); |
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} |
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@Override |
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public boolean supportsTablespaces() { |
| 103 | 0 | return true; |
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} |
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@Override |
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public String getViewDefinition(String schemaName, String name) throws DatabaseException { |
| 108 | 0 | return super.getViewDefinition(schemaName, name).replaceFirst("CREATE VIEW \\w+ AS ", ""); |
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} |
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@Override |
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public java.util.Date parseDate(String dateAsString) throws DateParseException { |
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try { |
| 116 | 0 | if (dateAsString.indexOf(' ') > 0) { |
| 117 | 0 | return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(dateAsString); |
| 118 | 0 | } else if (dateAsString.indexOf('.') > 0 && dateAsString.indexOf('-') > 0) { |
| 119 | 0 | return new SimpleDateFormat("yyyy-MM-dd-HH.mm.ss.SSSSSS").parse(dateAsString); |
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} else { |
| 122 | 0 | if (dateAsString.indexOf(':') > 0) { |
| 123 | 0 | return new SimpleDateFormat("HH:mm:ss").parse(dateAsString); |
| 124 | 0 | } else if (dateAsString.indexOf('.') > 0) { |
| 125 | 0 | return new SimpleDateFormat("HH.mm.ss").parse(dateAsString); |
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} else { |
| 127 | 0 | return new SimpleDateFormat("yyyy-MM-dd").parse(dateAsString); |
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} |
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} |
| 130 | 0 | } catch (ParseException e) { |
| 131 | 0 | throw new DateParseException(dateAsString); |
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} |
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} |
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@Override |
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public String convertRequestedSchemaToSchema(String requestedSchema) throws DatabaseException { |
| 137 | 0 | if (requestedSchema == null) { |
| 138 | 0 | return getDefaultDatabaseSchemaName(); |
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} else { |
| 140 | 0 | return requestedSchema.toUpperCase(); |
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} |
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} |
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@Override |
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public String convertRequestedSchemaToCatalog(String requestedSchema) throws DatabaseException { |
| 146 | 0 | return null; |
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} |
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@Override |
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public String generatePrimaryKeyName(String tableName) { |
| 151 | 0 | String pkName = super.generatePrimaryKeyName(tableName); |
| 152 | 0 | if (pkName.length() > 18) { |
| 153 | 0 | pkName = pkName.substring(0, 17); |
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} |
| 155 | 0 | return pkName; |
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} |
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@Override |
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public String escapeIndexName(String schemaName, String indexName) { |
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| 161 | 0 | return super.escapeIndexName(null, indexName); |
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} |
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} |