package liquibase.datatype.core;
import liquibase.database.Database;
import liquibase.database.core.*;
import liquibase.datatype.DataTypeInfo;
import liquibase.datatype.DatabaseDataType;
import liquibase.datatype.LiquibaseDataType;
import liquibase.statement.DatabaseFunction;
@DataTypeInfo(name="smallint", aliases = {"java.sql.Types.SMALLINT", "int2"}, minParameters = 0, maxParameters = 1, priority = LiquibaseDataType.PRIORITY_DEFAULT)
public class SmallIntType extends LiquibaseDataType {
private boolean autoIncrement;
public boolean isAutoIncrement() {
return autoIncrement;
}
public void setAutoIncrement(boolean autoIncrement) {
this.autoIncrement = autoIncrement;
}
@Override
public DatabaseDataType toDatabaseDataType(Database database) {
if (database instanceof MSSQLDatabase) {
return new DatabaseDataType(database.escapeDataTypeName("smallint")); //always smallint regardless of parameters passed
}
if (database instanceof MySQLDatabase) {
DatabaseDataType type = new DatabaseDataType("SMALLINT");
type.addAdditionalInformation(getAdditionalInformation());
return type;
}
if (database instanceof DB2Database || database instanceof DerbyDatabase || database instanceof FirebirdDatabase || database instanceof InformixDatabase) {
return new DatabaseDataType("SMALLINT"); //always smallint regardless of parameters passed
}
if (database instanceof OracleDatabase) {
return new DatabaseDataType("NUMBER", 5);
}
if (database instanceof PostgresDatabase) {
if (isAutoIncrement()) {
return new DatabaseDataType("SMALLSERIAL");
} else {
return new DatabaseDataType("SMALLINT");
}
}
return super.toDatabaseDataType(database);
}
@Override
public String objectToSql(Object value, Database database) {
if (value == null || value.toString().equalsIgnoreCase("null")) {
return null;
}
if (value instanceof DatabaseFunction) {
return value.toString();
}
if (value instanceof Boolean)
return Boolean.TRUE.equals(value) ? "1" : "0";
else {
return formatNumber(value.toString());
}
}
}