pgsql: Small code simplification

Small code simplification

Apply GETSTRUCT() once instead of doing it repeatedly in the same
function.  This simplifies the notation and makes the function's
structure more similar to the surrounding ones.

Discussion: https://www.postgresql.org/message-id/flat/a368248e-69e4-40be-9c07-6c3b5880b0a6@eisentraut.org

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/7ff9afbbd1df7c256024edb447eae7269c1bab03

Modified Files
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src/backend/commands/tablecmds.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)