public boolean isSystemView(CatalogAndSchema schema, final String viewName) {
schema = schema.customize(this);
if ("information_schema".equalsIgnoreCase(schema.getSchemaName())) {
return true;
} else if (getSystemViews().contains(viewName)) {
return true;
}
return false;
}
@Override
public String getViewDefinition(CatalogAndSchema schema, final String viewName)
throws DatabaseException {
schema = schema.customize(this);
String definition =
(String)
ExecutorService.getInstance()
.getExecutor(this)
.queryForObject(
new GetViewDefinitionStatement(
schema.getCatalogName(), schema.getSchemaName(), viewName),
String.class);
if (definition == null) {
return null;
}
return CREATE_VIEW_AS_PATTERN.matcher(definition).replaceFirst("");
}
@Override
public String getViewDefinition(CatalogAndSchema schema, final String viewName)
throws DatabaseException {
schema = correctSchema(schema);
List<Map> retList =
ExecutorService.getInstance()
.getExecutor(this)
.queryForList(
new GetViewDefinitionStatement(
schema.getCatalogName(), schema.getSchemaName(), viewName));
// building the view definition from the multiple rows
StringBuilder sb = new StringBuilder();
for (Map rowMap : retList) {
String s = (String) rowMap.get("VIEWTEXT");
sb.append(s);
}
return CREATE_VIEW_AS_PATTERN.matcher(sb.toString()).replaceFirst("");
}
protected Table readTable(CachedRow tableMetadataResultSet, Database database)
throws SQLException, DatabaseException {
String rawTableName = tableMetadataResultSet.getString("TABLE_NAME");
String rawSchemaName = StringUtils.trimToNull(tableMetadataResultSet.getString("TABLE_SCHEM"));
String rawCatalogName = StringUtils.trimToNull(tableMetadataResultSet.getString("TABLE_CAT"));
String remarks = StringUtils.trimToNull(tableMetadataResultSet.getString("REMARKS"));
if (remarks != null) {
remarks = remarks.replace("''", "'"); // come back escaped sometimes
}
Table table = new Table().setName(cleanNameFromDatabase(rawTableName, database));
table.setRemarks(remarks);
CatalogAndSchema schemaFromJdbcInfo =
((AbstractJdbcDatabase) database).getSchemaFromJdbcInfo(rawCatalogName, rawSchemaName);
table.setSchema(
new Schema(schemaFromJdbcInfo.getCatalogName(), schemaFromJdbcInfo.getSchemaName()));
return table;
}
@Override
public String getJdbcSchemaName(CatalogAndSchema schema) {
return correctObjectName(
schema.getCatalogName() == null ? schema.getSchemaName() : schema.getCatalogName(),
Schema.class);
}
public String getJdbcSchemaName(final CatalogAndSchema schema) {
return correctObjectName(schema.getSchemaName(), Schema.class);
}
@Override
public Change[] fixMissing(
DatabaseObject missingObject,
DiffOutputControl control,
Database referenceDatabase,
Database comparisonDatabase,
ChangeGeneratorChain chain) {
List<Change> returnList = new ArrayList<Change>();
PrimaryKey pk = (PrimaryKey) missingObject;
AddPrimaryKeyChange change = new AddPrimaryKeyChange();
change.setTableName(pk.getTable().getName());
if (control.getIncludeCatalog()) {
change.setCatalogName(pk.getTable().getSchema().getCatalogName());
}
if (control.getIncludeSchema()) {
change.setSchemaName(pk.getTable().getSchema().getName());
}
change.setConstraintName(pk.getName());
change.setColumnNames(pk.getColumnNames());
if (control.getIncludeTablespace()) {
change.setTablespace(pk.getTablespace());
}
if (referenceDatabase instanceof MSSQLDatabase
&& pk.getBackingIndex() != null
&& pk.getBackingIndex().getClustered() != null
&& !pk.getBackingIndex().getClustered()) {
change.setClustered(false);
}
if (comparisonDatabase instanceof OracleDatabase
|| (comparisonDatabase instanceof DB2Database
&& pk.getBackingIndex() != null
&& !comparisonDatabase.isSystemObject(pk.getBackingIndex()))) {
Index backingIndex = pk.getBackingIndex();
if (backingIndex != null && backingIndex.getName() != null) {
try {
if (!control.getIncludeCatalog() && !control.getIncludeSchema()) {
CatalogAndSchema schema =
comparisonDatabase.getDefaultSchema().customize(comparisonDatabase);
backingIndex
.getTable()
.setSchema(
schema.getCatalogName(),
schema
.getSchemaName()); // set table schema so it is found in the correct schema
}
if (referenceDatabase.equals(comparisonDatabase)
|| !SnapshotGeneratorFactory.getInstance().has(backingIndex, comparisonDatabase)) {
Change[] fixes =
ChangeGeneratorFactory.getInstance()
.fixMissing(backingIndex, control, referenceDatabase, comparisonDatabase);
if (fixes != null) {
for (Change fix : fixes) {
if (fix != null) {
returnList.add(fix);
}
}
}
}
} catch (Exception e) {
throw new UnexpectedLiquibaseException(e);
}
change.setForIndexName(backingIndex.getName());
Schema schema = backingIndex.getSchema();
if (schema != null) {
if (control.getIncludeCatalog()) {
change.setForIndexCatalogName(schema.getCatalogName());
}
if (control.getIncludeSchema()) {
change.setForIndexSchemaName(schema.getName());
}
}
}
}
control.setAlreadyHandledMissing(pk.getBackingIndex());
returnList.add(change);
return returnList.toArray(new Change[returnList.size()]);
}