pgsql: ecpg: Refactor ecpg_log() to skip unnecessary calls to ECPGget_s

ecpg: Refactor ecpg_log() to skip unnecessary calls to ECPGget_sqlca().

Previously, ecpg_log() always called ECPGget_sqlca() to retrieve sqlca,
even though it was only needed for debug logging. This commit updates
ecpg_log() to call ECPGget_sqlca() only when debug logging is enabled.

Author: Yuto Sasaki
Reviewed-by: Alvaro Herrera, Tom Lane, Fujii Masao
Discussion: https://postgr.es/m/TY2PR01MB3628A85689649BABC9A1C6C3C1782@TY2PR01MB3628.jpnprd01.prod.outlook.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/7c4d3fe272f3ab62b36f21e3fa6ae00751f00e31

Modified Files
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src/interfaces/ecpg/ecpglib/misc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)