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Thomas Munro 4c04be9b05 Introduce xid8-based functions to replace txid_XXX. ... The txid_XXX family of fmgr functions exposes 64 bit transaction IDs to users as int8. Now that we have an SQL type xid8 for FullTransactionId, define a new set of functions including pg_current_xact_id() and pg_current_snapshot() based on that. Keep the old functions around too, for now. It's a bit sneaky to use the same C functions for both, but since the binary representation is identical except for the signedness of the type, and since older functions are the ones using the wrong signedness, and since we'll presumably drop the older ones after a reasonable period of time, it seems reasonable to switch to FullTransactionId internally and share the code for both. Reviewed-by: Fujii Masao <masao.fujii@oss.nttdata.com> Reviewed-by: Takao Fujii <btfujiitkp@oss.nttdata.com> Reviewed-by: Yoshikazu Imai <imai.yoshikazu@fujitsu.com> Reviewed-by: Mark Dilger <mark.dilger@enterprisedb.com> Discussion: https://postgr.es/m/20190725000636.666m5mad25wfbrri%40alap3.anarazel.de		5 years ago
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expected	Introduce xid8-based functions to replace txid_XXX.	5 years ago
specs	Introduce xid8-based functions to replace txid_XXX.	5 years ago
sql	Introduce xid8-based functions to replace txid_XXX.	5 years ago
.gitignore	Improve isolation tests infrastructure.	8 years ago
Makefile	Stop demanding that top xact must be seen before subxact in decoding.	5 years ago
logical.conf	Add logical_decoding_work_mem to limit ReorderBuffer memory usage.	6 years ago
test_decoding.c	Clean up newlines following left parentheses	5 years ago