pgsql: Remove unreachable code in expression evaluation.

Remove unreachable code in expression evaluation.

The previous code still contained expression evaluation time support
for CaseExprs without a defresult.  But transformCaseExpr() creates a
default expression if necessary.

Author: Andres Freund
Discussion: https://postgr.es/m/4834.1490480275@sss.pgh.pa.us

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/ad46a2aa79f9ee79aecd889d0ace9ecc08dae984

Modified Files
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src/backend/executor/execExpr.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)