add MODE param to makefile, fix INFO_DISABLED, add some constraints to the .sql, fix some -err's, EVSQL_PQ_ARBITRARY_TYPE_OID, and make read/write transactionless

#ifndef LIB_MATH_H
#define LIB_MATH_H

#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))

#endif /* LIB_MATH_H */