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

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#ifndef LIB_MATH_H

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#define LIB_MATH_H

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

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

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#endif /* LIB_MATH_H */