Sun, 19 Mar 2017 13:05:06 +0100 wenzelm access table via session_name: db may in principle contain multiple entries;
Sun, 19 Mar 2017 12:57:29 +0100 wenzelm more operations;
Sun, 19 Mar 2017 11:56:56 +0100 wenzelm eliminated somewhat redundant inlined name (despite a7aa17a1f721);
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