DBD::Pgのインストール時のエラー

DBD::Pgをインストールする時にエンコーディングのエラーが発生した

t/12placeholders.t .. 71/243 
#   Failed test 'Dollar quotes with valid characters are parsed as identifiers'
#   at t/12placeholders.t line 609.
#          got: 'DBD::Pg::st execute failed: ERROR:  invalid byte sequence for encoding "EUC_JP": 0xe58c at t/12placeholders.t line 606.
# '
#     expected: ''

#   Failed test 'Dollar quotes with valid characters are parsed as identifiers'
#   at t/12placeholders.t line 609.
#          got: 'DBD::Pg::st execute failed: ERROR:  invalid byte sequence for encoding "EUC_JP": 0xe58c at t/12placeholders.t line 606.
# '
#     expected: ''

#   Failed test 'Dollar quotes with valid characters are parsed as identifiers'
#   at t/12placeholders.t line 609.
#          got: 'DBD::Pg::st execute failed: ERROR:  invalid byte sequence for encoding "EUC_JP": 0xe58c at t/12placeholders.t line 606.
# '
#     expected: ''
DBD::Pg::db do failed: ERROR:  current transaction is aborted, commands ignored until end of transaction block at t/12placeholders.t line 618.

• client_encodingがEUC-JPになっていることが原因であった。

t/01connect.t ....... 15/15 # 
# DBI                         Version 1.63
# DBD::Pg                     Version 2.19.3
# Perl                        Version 5.18.1
# OS                          freebsd
# PostgreSQL (compiled)       90102
# PostgreSQL (target)         90102
# PostgreSQL (reported)       PostgreSQL 9.1.2 on amd64-portbld-freebsd9.0, compiled by cc (GCC) 4.2.1 20070831 patched [FreeBSD], 64-bit
# Default port                5432
# DBI_DSN                     dbi:Pg:db="postgres"
# DBI_USER                    pgsql
# Test schema                 dbd_pg_testschema
# LANG                        C
# array_nulls                 on
# backslash_quote             safe_encoding
# client_encoding             EUC_JP
# server_encoding             EUC_JP
# standard_conforming_strings on
# Adjusted:                   DBI_DSN DBI_USER

• どこで設定されているのか判らなかったが、export PGCLIENTENCODING=UNICODE してインストールするとうまくいった。