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DeleteGeneratorCassandra.java
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DeleteGeneratorCassandra.java
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package liquibase.ext.cassandra.sqlgenerator;
import liquibase.database.Database;
import liquibase.ext.cassandra.database.CassandraDatabase;
import liquibase.sql.Sql;
import liquibase.sql.UnparsedSql;
import liquibase.sqlgenerator.SqlGeneratorChain;
import liquibase.sqlgenerator.core.DeleteGenerator;
import liquibase.statement.core.DeleteStatement;
public class DeleteGeneratorCassandra extends DeleteGenerator {
@Override
public int getPriority() {
return PRIORITY_DATABASE;
}
@Override
public boolean supports(DeleteStatement statement, Database database) {
return super.supports(statement, database) && database instanceof CassandraDatabase;
}
@Override
public Sql[] generateSql(DeleteStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {
if (statement.getWhere() == null) {
String sql = "TRUNCATE " + database
.escapeTableName(statement.getCatalogName(), statement.getSchemaName(), statement.getTableName());
return new Sql[] { new UnparsedSql(sql, getAffectedTable(statement)) };
} else {
return super.generateSql(statement, database, sqlGeneratorChain);
}
}
}