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authorRobert Haas <rhaas@postgresql.org>2011-11-15 20:34:47 -0500
committerRobert Haas <rhaas@postgresql.org>2011-11-15 20:36:24 -0500
commitae7c9262bf0e5960e85fa2284461ecaedf5b954a (patch)
tree1a987fb9827a8d5ae950196d30f02772fab7c76f /src
parent2463f5da3ccd67b266ee7a9b8c0906221a501b9e (diff)
Don't elide blank lines when accumulating psql command history.
This can change the meaning of queries, if the blank line happens to occur in the middle of a quoted literal, as per complaint from Tomas Vondra. Back-patch to all supported branches.
Diffstat (limited to 'src')
-rw-r--r--src/bin/psql/input.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/bin/psql/input.c b/src/bin/psql/input.c
index d17c9abb95a..829f2296821 100644
--- a/src/bin/psql/input.c
+++ b/src/bin/psql/input.c
@@ -86,10 +86,10 @@ void
pg_append_history(const char *s, PQExpBuffer history_buf)
{
#ifdef USE_READLINE
- if (useHistory && s && s[0])
+ if (useHistory && s)
{
appendPQExpBufferStr(history_buf, s);
- if (s[strlen(s) - 1] != '\n')
+ if (!s[0] || s[strlen(s) - 1] != '\n')
appendPQExpBufferChar(history_buf, '\n');
}
#endif