protected void writeAddForeignKeys(DdlWrite write, CreateTable createTable) throws IOException {
String tableName = createTable.getName();
List<Column> columns = createTable.getColumn();
for (Column column : columns) {
String references = column.getReferences();
if (hasValue(references)) {
writeForeignKey(write, tableName, column.getName(), references);
}
}
writeAddCompoundForeignKeys(write, createTable);
}
protected void writeForeignKey(DdlWrite write, String tableName, Column column)
throws IOException {
String fkName = column.getForeignKeyName();
String references = column.getReferences();
int pos = references.lastIndexOf('.');
if (pos == -1) {
throw new IllegalStateException(
"Expecting period '.' character for table.column split but not found in ["
+ references
+ "]");
}
String refTableName = references.substring(0, pos);
String refColumnName = references.substring(pos + 1);
String[] cols = {column.getName()};
String[] refCols = {refColumnName};
writeForeignKey(
write, fkName, tableName, cols, refTableName, refCols, column.getForeignKeyIndex());
}