/**
* Returns the {@link TableColumn} with the given name, or <code>null</code> if it doesn't exist
*
* @param columnName
* @return
*/
public TableColumn getColumn(String columnName) {
return columns.get(columnName);
}
/**
* @param rs ResultSet from {@link DatabaseMetaData#getImportedKeys(String, String, String)}
* rs.getString("FK_NAME"); rs.getString("FKCOLUMN_NAME"); rs.getString("PKTABLE_SCHEM");
* rs.getString("PKTABLE_NAME"); rs.getString("PKCOLUMN_NAME");
* @param tables Map
* @param db
* @throws SQLException
*/
protected void addForeignKey(
String fkName,
String fkColName,
String pkTableSchema,
String pkTableName,
String pkColName,
int updateRule,
int deleteRule,
Map<String, Table> tables,
Pattern excludeIndirectColumns,
Pattern excludeColumns)
throws SQLException {
if (fkName == null) return;
ForeignKeyConstraint foreignKey = foreignKeys.get(fkName);
if (foreignKey == null) {
foreignKey = new ForeignKeyConstraint(this, fkName, updateRule, deleteRule);
foreignKeys.put(fkName, foreignKey);
}
TableColumn childColumn = getColumn(fkColName);
if (childColumn != null) {
foreignKey.addChildColumn(childColumn);
Table parentTable = tables.get(pkTableName);
String parentSchema = pkTableSchema;
String baseSchema = Config.getInstance().getSchema();
// if named table doesn't exist in this schema
// or exists here but really referencing same named table in another schema
if (parentTable == null
|| (baseSchema != null && parentSchema != null && !baseSchema.equals(parentSchema))) {
parentTable =
db.addRemoteTable(
parentSchema,
pkTableName,
baseSchema,
properties,
excludeIndirectColumns,
excludeColumns);
}
if (parentTable != null) {
TableColumn parentColumn = parentTable.getColumn(pkColName);
if (parentColumn != null) {
foreignKey.addParentColumn(parentColumn);
childColumn.addParent(parentColumn, foreignKey);
parentColumn.addChild(childColumn, foreignKey);
} else {
logger.warning(
"Couldn't add FK '"
+ foreignKey.getName()
+ "' to table '"
+ this
+ "' - Column '"
+ pkColName
+ "' doesn't exist in table '"
+ parentTable
+ "'");
}
} else {
logger.warning(
"Couldn't add FK '"
+ foreignKey.getName()
+ "' to table '"
+ this
+ "' - Unknown Referenced Table '"
+ pkTableName
+ "'");
}
} else {
logger.warning(
"Couldn't add FK '"
+ foreignKey.getName()
+ "' to table '"
+ this
+ "' - Column '"
+ fkColName
+ "' doesn't exist");
}
}
/**
* @param indexName
* @return
*/
public TableIndex getIndex(String indexName) {
return indexes.get(indexName);
}
public ForeignKeyConstraint getForeignKey(String keyName) {
return foreignKeys.get(keyName);
}