package liquibase.sqlgenerator.core;
import liquibase.database.Database;
import liquibase.database.typeconversion.TypeConverterFactory;
import liquibase.database.core.InformixDatabase;
import liquibase.database.structure.Column;
import liquibase.database.structure.Table;
import liquibase.exception.ValidationErrors;
import liquibase.sql.Sql;
import liquibase.sql.UnparsedSql;
import liquibase.sqlgenerator.SqlGeneratorChain;
import liquibase.statement.core.AddAutoIncrementStatement;
public class AddAutoIncrementGeneratorInformix extends AddAutoIncrementGenerator {
@Override
public int getPriority() {
return PRIORITY_DATABASE;
}
@Override
public boolean supports(AddAutoIncrementStatement statement, Database database) {
return database instanceof InformixDatabase;
}
@Override
public ValidationErrors validate(
AddAutoIncrementStatement addAutoIncrementStatement,
Database database,
SqlGeneratorChain sqlGeneratorChain) {
ValidationErrors validationErrors = super.validate(
addAutoIncrementStatement, database, sqlGeneratorChain);
validationErrors.checkRequiredField(
"columnDataType", addAutoIncrementStatement.getColumnDataType());
return validationErrors;
}
@Override
public Sql[] generateSql(
AddAutoIncrementStatement statement,
Database database,
SqlGeneratorChain sqlGeneratorChain) {
return new Sql[]{
new UnparsedSql(
"ALTER TABLE "
+ database.escapeTableName(statement.getSchemaName(), statement.getTableName())
+ " MODIFY "
+ database.escapeColumnName(
statement.getSchemaName(),
statement.getTableName(),
statement.getColumnName())
+ " "
+ TypeConverterFactory.getInstance().findTypeConverter(database).getDataType(
statement.getColumnDataType(), true),
new Column()
.setTable(
new Table(statement.getTableName()).setSchema(statement.getSchemaName()))
.setName(statement.getColumnName()))
};
}
}