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A universal transaction manager that achieves database-agnostic transactions and distributed transactions that span multiple databases
package com.scalar.db.io;
/** A visitor interface to traverse multiple {@code Column}s */
public interface ColumnVisitor {
void visit(BooleanColumn column);
void visit(IntColumn column);
void visit(BigIntColumn column);
void visit(FloatColumn column);
void visit(DoubleColumn column);
void visit(TextColumn column);
void visit(BlobColumn column);
}