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From c73d40c6e219621c4bdc1fe9cadd52b7f09e8560 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Dagfinn=20Ilmari=20Manns=C3=A5ker?= <ilmari@ilmari.org>
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Date: Mon, 31 Dec 2018 18:45:57 +0100
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Subject: [PATCH] Inline no-longer-conditional catalog query fragments
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Some bits of catalog queries needed version-specific variants, but when
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support for the versions that necessitated them was removed, the
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variables were left in place. This removes these now-unnecessary
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variables and puts the SQL fragments back in the query.
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The pg_get_expr() call does not need to be conditional, it exists in 7.4
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too: https://www.postgresql.org/docs/7.4/functions-misc.html
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Petr Písař: Ported to 3.7.4 from
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c7ea8fd90b5fc09f28e090e0e00cbb2708eda4cc.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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Pg.pm | 14 +++-----------
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1 file changed, 3 insertions(+), 11 deletions(-)
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diff --git a/Pg.pm b/Pg.pm
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index 9c664e9..5658d1b 100644
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--- a/Pg.pm
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+++ b/Pg.pm
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@@ -443,14 +443,6 @@ use 5.008001;
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my $whereclause = join "\n\t\t\t\tAND ", '', @search;
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- my $schemajoin = 'JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace)';
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-
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- my $remarks = 'pg_catalog.col_description(a.attrelid, a.attnum)';
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-
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- my $column_def = $dbh->{private_dbdpg}{version} >= 80000
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- ? 'pg_catalog.pg_get_expr(af.adbin, af.adrelid)'
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- : 'af.adsrc';
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-
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my $col_info_sql = qq!
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SELECT
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NULL::text AS "TABLE_CAT"
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@@ -464,8 +456,8 @@ use 5.008001;
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, NULL::text AS "DECIMAL_DIGITS"
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, NULL::text AS "NUM_PREC_RADIX"
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, CASE a.attnotnull WHEN 't' THEN 0 ELSE 1 END AS "NULLABLE"
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- , $remarks AS "REMARKS"
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- , $column_def AS "COLUMN_DEF"
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+ , pg_catalog.col_description(a.attrelid, a.attnum) AS "REMARKS"
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+ , pg_catalog.pg_get_expr(af.adbin, af.adrelid) AS "COLUMN_DEF"
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, NULL::text AS "SQL_DATA_TYPE"
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, NULL::text AS "SQL_DATETIME_SUB"
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, NULL::text AS "CHAR_OCTET_LENGTH"
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@@ -486,7 +478,7 @@ use 5.008001;
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JOIN pg_catalog.pg_attribute a ON (t.oid = a.atttypid)
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JOIN pg_catalog.pg_class c ON (a.attrelid = c.oid)
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LEFT JOIN pg_catalog.pg_attrdef af ON (a.attnum = af.adnum AND a.attrelid = af.adrelid)
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- $schemajoin
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+ JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace)
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WHERE
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a.attnum >= 0
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AND c.relkind IN ('r','v','m')
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--
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2.21.0
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