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5.34 TSTART

Introduces a new transaction level, incrementing $TLEVEL, provided the optional postcondition evaluates to true or is omitted. Any database operations encountered when $TLEVEL is greater than zero will not be committed to the database until TCOMMIT is encountered.

Syntax

TSTART[:postcondition]

Non-Standard Syntax

FreeM’s current TSTART does not accept any arguments.


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