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23 results

parse_expr.c

  • Heikki Linnakangas's avatar
    350ab443
    stringToNode() and deparse_expression_pretty() crash on invalid input, · 350ab443
    Heikki Linnakangas authored 
    but we have nevertheless exposed them to users via pg_get_expr(). It would
be too much maintenance effort to rigorously check the input, so put a hack
in place instead to restrict pg_get_expr() so that the argument must come
from one of the system catalog columns known to contain valid expressions.

Per report from Rushabh Lathia. Backpatch to 7.4 which is the oldest
supported version at the moment.
    350ab443
    History
    stringToNode() and deparse_expression_pretty() crash on invalid input,
    Heikki Linnakangas authored 
    but we have nevertheless exposed them to users via pg_get_expr(). It would
be too much maintenance effort to rigorously check the input, so put a hack
in place instead to restrict pg_get_expr() so that the argument must come
from one of the system catalog columns known to contain valid expressions.

Per report from Rushabh Lathia. Backpatch to 7.4 which is the oldest
supported version at the moment.