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64c506535d
For simple boolean variables such as ON_ERROR_STOP, psql has for a long time recognized variant spellings of "on" and "off" (such as "1"/"0"), and it also made a point of warning you if you'd misspelled the setting. But these conveniences did not exist for other keyword-valued variables. In particular, though ECHO_HIDDEN and ON_ERROR_ROLLBACK include "on" and "off" as possible values, none of the alternative spellings for those were recognized; and to make matters worse the code would just silently assume "on" was meant for any unrecognized spelling. Several people have reported getting bitten by this, so let's fix it. In detail, this patch: * Allows all spellings recognized by ParseVariableBool() for ECHO_HIDDEN and ON_ERROR_ROLLBACK. * Reports a warning for unrecognized values for COMP_KEYWORD_CASE, ECHO, ECHO_HIDDEN, HISTCONTROL, ON_ERROR_ROLLBACK, and VERBOSITY. * Recognizes all values for all these variables case-insensitively; previously there was a mishmash of case-sensitive and case-insensitive behaviors. Back-patch to all supported branches. There is a small risk of breaking existing scripts that were accidentally failing to malfunction; but the consensus is that the chance of detecting real problems and preventing future mistakes outweighs this. |
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