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The immediate motivation for this is to provide clean infrastructure for the proposed \if...\endif patch for psql; but it seems like a good thing to have even if that patch doesn't get in. Previously the callback functions could only make use of application-global state, which is a pretty severe handicap. For the moment, the pointer is only passed through to the get_variable callback function. I considered also passing it to the write_error callback, but for now let's not. Neither psql nor pgbench has a use for that, and in the case of psql we'd have to invent a separate wrapper function because we would certainly not want to change the signature of psql_error(). Discussion: https://postgr.es/m/10108.1489418309@sss.pgh.pa.us |
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| .. | ||
| mbprint.h | ||
| print.h | ||
| psqlscan.h | ||
| psqlscan_int.h | ||
| simple_list.h | ||
| string_utils.h | ||